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[Blackfin]PATCH-1/2]: Remove obsolete blackfin port and add bf533 platform support

This commit is contained in:
Aubrey.Li 2007-03-09 13:38:44 +08:00
parent eb92f61355
commit 3f0606ad0b
89 changed files with 5175 additions and 3246 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
board/ezkit533/Makefile → board/bf533-ezkit/Makefile
View File

@ -1,9 +1,9 @@
#
# U-boot - Makefile
#
# Copyright (c) 2005 blackfin.uclinux.org
# Copyright (c) 2005-2007 Analog Device Inc.
#
# (C) Copyright 2000-2006
# (C) Copyright 2000-2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
@ -27,22 +27,22 @@
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
LIB = lib$(BOARD).a
COBJS = $(BOARD).o flash.o ezkit533.o
OBJS = $(BOARD).o flash.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): .depend $(OBJS) u-boot.lds
$(AR) cr $@ $(OBJS)
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
u-boot.lds: u-boot.lds.S
$(CPP) $(CPPFLAGS) -P -Ubfin $^ > $@.tmp
mv -f $@.tmp $@
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude $(obj).depend
sinclude .depend
#########################################################################

24
board/ezkit533/ezkit533.c → board/bf533-ezkit/bf533-ezkit.c
View File

@ -30,24 +30,28 @@
#include "psd4256.h"
#endif
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
#if (BFIN_CPU == ADSP_BF531)
printf("CPU: ADSP BF531 Rev.: 0.%d\n", *pCHIPID >> 28);
#elif (BFIN_CPU == ADSP_BF532)
printf("CPU: ADSP BF532 Rev.: 0.%d\n", *pCHIPID >> 28);
#else
printf("CPU: ADSP BF533 Rev.: 0.%d\n", *pCHIPID >> 28);
#endif
printf("Board: ADI BF533 EZ-Kit Lite board\n");
printf(" Support: http://blackfin.uclinux.org/\n");
printf(" Richard Klingler <richard@uclinux.net>\n");
return 0;
}
long int initdram(int board_type)
{
DECLARE_GLOBAL_DATA_PTR;
#ifdef DEBUG
int brate;
char *tmp = getenv("baudrate");
brate = simple_strtoul(tmp, NULL, 16);
printf("Serial Port initialized with Baud rate = %x\n",brate);
printf("Serial Port initialized with Baud rate = %x\n", brate);
printf("SDRAM attributes:\n");
printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
"tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
@ -64,9 +68,13 @@ long int initdram(int board_type)
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
{
/* Set direction bits for Video en/decoder reset as output */
*(volatile unsigned char *)(CFG_FLASH1_BASE + PSD_PORTA_DIR) = PSDA_VDEC_RST | PSDA_VENC_RST;
/* Deactivate Video en/decoder reset lines */
*(volatile unsigned char *)(CFG_FLASH1_BASE + PSD_PORTA_DOUT) = PSDA_VDEC_RST | PSDA_VENC_RST;
/* Set direction bits for Video en/decoder reset as output */
*(volatile unsigned char *)(CFG_FLASH1_BASE + PSD_PORTA_DIR) =
PSDA_VDEC_RST | PSDA_VENC_RST;
/* Deactivate Video en/decoder reset lines */
*(volatile unsigned char *)(CFG_FLASH1_BASE + PSD_PORTA_DOUT) =
PSDA_VDEC_RST | PSDA_VENC_RST;
return 0;
}
#endif

4
board/ezkit533/config.mk → board/bf533-ezkit/config.mk
View File

@ -20,6 +20,6 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
# TEXT_BASE should be defined as the MAX_SDRAM Address - 256k bytes
# 256k is defined as CFG_MONITOR_LEN in ./include/configs/<board>.h
TEXT_BASE = 0x01FC0000
PLATFORM_CPPFLAGS += -I$(TOPDIR)

6
board/ezkit533/flash-defines.h → board/bf533-ezkit/flash-defines.h
View File

@ -52,17 +52,13 @@
#define CFG_FLASH0_BASE 0x20000000
#define RESET_VAL 0xF0
asm("#define FLASH_START_L 0x0000");
asm("#define FLASH_START_H 0x2000");
flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
int get_codes(void);
int poll_toggle_bit(long lOffset);
void reset_flash(void);
int erase_flash(void);
int erase_block_flash(int,unsigned long);
int erase_block_flash(int, unsigned long);
void unlock_flash(long lOffset);
int write_data(long lStart, long lCount, long lStride, int *pnData);
int FillData(long lStart, long lCount, long lStride, int *pnData);

147
board/ezkit533/flash.c → board/bf533-ezkit/flash.c
View File

@ -33,14 +33,13 @@ void flash_reset(void)
reset_flash();
}
unsigned long flash_get_size(ulong baseaddr, flash_info_t * info,
int bank_flag)
unsigned long flash_get_size(ulong baseaddr, flash_info_t * info, int bank_flag)
{
int id = 0, i = 0;
static int FlagDev = 1;
id = get_codes();
if(FlagDev) {
if (FlagDev) {
#ifdef DEBUG
printf("Device ID of the Flash is %x\n", id);
#endif
@ -100,10 +99,11 @@ unsigned long flash_init(void)
if (flash_info[0].flash_id == FLASH_UNKNOWN || size_b0 == 0) {
printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size_b0, size_b0 >> 20);
size_b0, size_b0 >> 20);
}
(void)flash_protect(FLAG_PROTECT_SET,CFG_FLASH0_BASE,(flash_info[0].start[2] - 1),&flash_info[0]);
(void)flash_protect(FLAG_PROTECT_SET, CFG_FLASH0_BASE,
(flash_info[0].start[2] - 1), &flash_info[0]);
return (size_b0 + size_b1 + size_b2);
}
@ -122,15 +122,14 @@ void flash_print_info(flash_info_t * info)
printf("ST Microelectronics ");
break;
default:
printf("Unknown Vendor ");
printf("Unknown Vendor: (0x%08X) ", info->flash_id);
break;
}
for (i = 0; i < info->sector_count; ++i) {
if ((i % 5) == 0)
printf("\n ");
printf(" %08lX%s",
info->start[i],
info->protect[i] ? " (RO)" : " ");
info->start[i], info->protect[i] ? " (RO)" : " ");
}
printf("\n");
return;
@ -138,8 +137,8 @@ void flash_print_info(flash_info_t * info)
int flash_erase(flash_info_t * info, int s_first, int s_last)
{
int cnt = 0,i;
int prot,sect;
int cnt = 0, i;
int prot, sect;
prot = 0;
for (sect = s_first; sect <= s_last; ++sect) {
@ -148,15 +147,16 @@ int flash_erase(flash_info_t * info, int s_first, int s_last)
}
if (prot)
printf ("- Warning: %d protected sectors will not be erased!\n", prot);
printf("- Warning: %d protected sectors will not be erased!\n",
prot);
else
printf ("\n");
printf("\n");
cnt = s_last - s_first + 1;
if (cnt == FLASH_TOT_SECT) {
printf("Erasing flash, Please Wait \n");
if(erase_flash() < 0) {
if (erase_flash() < 0) {
printf("Erasing flash failed \n");
return FLASH_FAIL;
}
@ -164,7 +164,7 @@ int flash_erase(flash_info_t * info, int s_first, int s_last)
printf("Erasing Flash locations, Please Wait\n");
for (i = s_first; i <= s_last; i++) {
if (info->protect[i] == 0) { /* not protected */
if(erase_block_flash(i, info->start[i]) < 0) {
if (erase_block_flash(i, info->start[i]) < 0) {
printf("Error Sector erasing \n");
return FLASH_FAIL;
}
@ -178,13 +178,12 @@ int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
{
int ret;
ret = write_data(addr, cnt, 1, (int *) src);
if(ret == FLASH_FAIL)
ret = write_data(addr, cnt, 1, (int *)src);
if (ret == FLASH_FAIL)
return ERR_NOT_ERASED;
return FLASH_SUCCESS;
}
int write_data(long lStart, long lCount, long lStride, int *pnData)
{
long i = 0;
@ -198,20 +197,23 @@ int write_data(long lStart, long lCount, long lStride, int *pnData)
for (i = 0; (i < lCount / 4) && (i < BUFFER_SIZE); i++) {
for (iShift = 0, j = 0; (j < iNumWords);
j++, ulOffset += (lStride * 2)) {
j++, ulOffset += (lStride * 2)) {
if ((ulOffset >= INVALIDLOCNSTART)
&& (ulOffset < INVALIDLOCNEND)) {
printf("Invalid locations, Try writing to another location \n");
&& (ulOffset < INVALIDLOCNEND)) {
printf
("Invalid locations, Try writing to another location \n");
return FLASH_FAIL;
}
get_sector_number(ulOffset, &nSector);
read_flash(ulOffset,&d);
if(d != 0xffff) {
printf("Flash not erased at offset 0x%x Please erase to reprogram \n",ulOffset);
read_flash(ulOffset, &d);
if (d != 0xffff) {
printf
("Flash not erased at offset 0x%x Please erase to reprogram \n",
ulOffset);
return FLASH_FAIL;
}
unlock_flash(ulOffset);
if(write_flash(ulOffset, (pnData[i] >> iShift)) < 0) {
if (write_flash(ulOffset, (pnData[i] >> iShift)) < 0) {
printf("Error programming the flash \n");
return FLASH_FAIL;
}
@ -220,17 +222,18 @@ int write_data(long lStart, long lCount, long lStride, int *pnData)
}
if (nLeftover > 0) {
if ((ulOffset >= INVALIDLOCNSTART)
&& (ulOffset < INVALIDLOCNEND))
return FLASH_FAIL;
&& (ulOffset < INVALIDLOCNEND))
return FLASH_FAIL;
get_sector_number(ulOffset, &nSector);
read_flash(ulOffset,&d);
if(d != 0xffff) {
printf("Flash already programmed. Please erase to reprogram \n");
printf("uloffset = 0x%x \t d = 0x%x\n",ulOffset,d);
read_flash(ulOffset, &d);
if (d != 0xffff) {
printf
("Flash already programmed. Please erase to reprogram \n");
printf("uloffset = 0x%x \t d = 0x%x\n", ulOffset, d);
return FLASH_FAIL;
}
unlock_flash(ulOffset);
if(write_flash(ulOffset, pnData[i]) < 0) {
if (write_flash(ulOffset, pnData[i]) < 0) {
printf("Error programming the flash \n");
return FLASH_FAIL;
}
@ -252,8 +255,8 @@ int read_data(long ulStart, long lCount, long lStride, int *pnData)
for (i = 0; (i < lCount / 4) && (i < BUFFER_SIZE); i++) {
for (iShift = 0, j = 0; j < iNumWords; j += 2) {
if ((ulOffset >= INVALIDLOCNSTART)
&& (ulOffset < INVALIDLOCNEND))
return FLASH_FAIL;
&& (ulOffset < INVALIDLOCNEND))
return FLASH_FAIL;
get_sector_number(ulOffset, &nSector);
read_flash(ulOffset, &nLow);
@ -265,8 +268,8 @@ int read_data(long ulStart, long lCount, long lStride, int *pnData)
}
if (nLeftover > 0) {
if ((ulOffset >= INVALIDLOCNSTART)
&& (ulOffset < INVALIDLOCNEND))
return FLASH_FAIL;
&& (ulOffset < INVALIDLOCNEND))
return FLASH_FAIL;
get_sector_number(ulOffset, &nSector);
read_flash(ulOffset, &pnData[i]);
@ -279,10 +282,10 @@ int write_flash(long nOffset, int nValue)
long addr;
addr = (CFG_FLASH_BASE + nOffset);
asm("ssync;");
*(unsigned volatile short *) addr = nValue;
asm("ssync;");
if(poll_toggle_bit(nOffset) < 0)
__builtin_bfin_ssync();
*(unsigned volatile short *)addr = nValue;
__builtin_bfin_ssync();
if (poll_toggle_bit(nOffset) < 0)
return FLASH_FAIL;
return FLASH_SUCCESS;
}
@ -294,29 +297,30 @@ int read_flash(long nOffset, int *pnValue)
if (nOffset != 0x2)
reset_flash();
asm("ssync;");
nValue = *(volatile unsigned short *) addr;
asm("ssync;");
__builtin_bfin_ssync();
nValue = *(volatile unsigned short *)addr;
__builtin_bfin_ssync();
*pnValue = nValue;
return TRUE;
}
int poll_toggle_bit(long lOffset)
{
unsigned int u1,u2;
unsigned int u1, u2;
unsigned long timeout = 0xFFFFFFFF;
volatile unsigned long *FB = (volatile unsigned long *)(0x20000000 + lOffset);
while(1) {
if(timeout < 0)
volatile unsigned long *FB =
(volatile unsigned long *)(0x20000000 + lOffset);
while (1) {
if (timeout < 0)
break;
u1 = *(volatile unsigned short *)FB;
u2 = *(volatile unsigned short *)FB;
if((u1 & 0x0040) == (u2 & 0x0040))
if ((u1 & 0x0040) == (u2 & 0x0040))
return FLASH_SUCCESS;
if((u2 & 0x0020) == 0x0000)
if ((u2 & 0x0020) == 0x0000)
continue;
u1 = *(volatile unsigned short *)FB;
if((u2 & 0x0040) == (u1 & 0x0040))
if ((u2 & 0x0040) == (u1 & 0x0040))
return FLASH_SUCCESS;
else {
reset_flash();
@ -325,7 +329,8 @@ int poll_toggle_bit(long lOffset)
timeout--;
}
printf("Time out occured \n");
if(timeout <0) return FLASH_FAIL;
if (timeout < 0)
return FLASH_FAIL;
}
void reset_flash(void)
@ -344,7 +349,7 @@ int erase_flash(void)
write_flash(WRITESEQ5, WRITEDATA5);
write_flash(WRITESEQ6, WRITEDATA6);
if(poll_toggle_bit(0x0000) < 0)
if (poll_toggle_bit(0x0000) < 0)
return FLASH_FAIL;
write_flash(SecFlashAOff + WRITESEQ1, WRITEDATA1);
@ -354,7 +359,7 @@ int erase_flash(void)
write_flash(SecFlashAOff + WRITESEQ5, WRITEDATA5);
write_flash(SecFlashAOff + WRITESEQ6, WRITEDATA6);
if(poll_toggle_bit(SecFlashASec1Off) < 0)
if (poll_toggle_bit(SecFlashASec1Off) < 0)
return FLASH_FAIL;
write_flash(PriFlashBOff + WRITESEQ1, WRITEDATA1);
@ -364,7 +369,7 @@ int erase_flash(void)
write_flash(PriFlashBOff + WRITESEQ5, WRITEDATA5);
write_flash(PriFlashBOff + WRITESEQ6, WRITEDATA6);
if(poll_toggle_bit(PriFlashBOff) <0)
if (poll_toggle_bit(PriFlashBOff) < 0)
return FLASH_FAIL;
write_flash(SecFlashBOff + WRITESEQ1, WRITEDATA1);
@ -374,7 +379,7 @@ int erase_flash(void)
write_flash(SecFlashBOff + WRITESEQ5, WRITEDATA5);
write_flash(SecFlashBOff + WRITESEQ6, WRITEDATA6);
if(poll_toggle_bit(SecFlashBOff) < 0)
if (poll_toggle_bit(SecFlashBOff) < 0)
return FLASH_FAIL;
return FLASH_SUCCESS;
@ -397,7 +402,7 @@ int erase_block_flash(int nBlock, unsigned long address)
write_flash(ulSectorOff, BlockEraseVal);
if(poll_toggle_bit(ulSectorOff) < 0)
if (poll_toggle_bit(ulSectorOff) < 0)
return FLASH_FAIL;
return FLASH_SUCCESS;
@ -435,34 +440,34 @@ void get_sector_number(long ulOffset, int *pnSector)
if (ulOffset >= SecFlashAOff) {
if ((ulOffset < SecFlashASec1Off)
&& (ulOffset < SecFlashASec2Off)) {
nSector = SECT32;
&& (ulOffset < SecFlashASec2Off)) {
nSector = SECT32;
} else if ((ulOffset >= SecFlashASec2Off)
&& (ulOffset < SecFlashASec3Off)) {
nSector = SECT33;
&& (ulOffset < SecFlashASec3Off)) {
nSector = SECT33;
} else if ((ulOffset >= SecFlashASec3Off)
&& (ulOffset < SecFlashASec4Off)) {
nSector = SECT34;
&& (ulOffset < SecFlashASec4Off)) {
nSector = SECT34;
} else if ((ulOffset >= SecFlashASec4Off)
&& (ulOffset < SecFlashAEndOff)) {
nSector = SECT35;
&& (ulOffset < SecFlashAEndOff)) {
nSector = SECT35;
}
} else if (ulOffset >= SecFlashBOff) {
if ((ulOffset < SecFlashBSec1Off)
&& (ulOffset < SecFlashBSec2Off)) {
nSector = SECT36;
&& (ulOffset < SecFlashBSec2Off)) {
nSector = SECT36;
}
if ((ulOffset < SecFlashBSec2Off)
&& (ulOffset < SecFlashBSec3Off)) {
nSector = SECT37;
&& (ulOffset < SecFlashBSec3Off)) {
nSector = SECT37;
}
if ((ulOffset < SecFlashBSec3Off)
&& (ulOffset < SecFlashBSec4Off)) {
nSector = SECT38;
&& (ulOffset < SecFlashBSec4Off)) {
nSector = SECT38;
}
if ((ulOffset < SecFlashBSec4Off)
&& (ulOffset < SecFlashBEndOff)) {
nSector = SECT39;
&& (ulOffset < SecFlashBEndOff)) {
nSector = SECT39;
}
} else if ((ulOffset >= PriFlashAOff) && (ulOffset < SecFlashAOff)) {
nSector = ulOffset & 0xffff0000;

22
board/ezkit533/psd4256.h → board/bf533-ezkit/psd4256.h
View File

@ -49,19 +49,19 @@
* Flash A Port A Bit definitions
*/
#define PSDA_PPICLK1 0x20 /* PPI Clock select bit 1 */
#define PSDA_PPICLK0 0x10 /* PPI Clock select bit 0 */
#define PSDA_VDEC_RST 0x08 /* Video decoder reset, 0 = RESET */
#define PSDA_VENC_RST 0x04 /* Video encoder reset, 0 = RESET */
#define PSDA_CODEC_RST 0x01 /* Codec reset, 0 = RESET */
#define PSDA_PPICLK1 0x20 /* PPI Clock select bit 1 */
#define PSDA_PPICLK0 0x10 /* PPI Clock select bit 0 */
#define PSDA_VDEC_RST 0x08 /* Video decoder reset, 0 = RESET */
#define PSDA_VENC_RST 0x04 /* Video encoder reset, 0 = RESET */
#define PSDA_CODEC_RST 0x01 /* Codec reset, 0 = RESET */
/*
* Flash A Port B Bit definitions
*/
#define PSDA_LED9 0x20 /* LED 9, 1 = LED ON */
#define PSDA_LED8 0x10 /* LED 8, 1 = LED ON */
#define PSDA_LED7 0x08 /* LED 7, 1 = LED ON */
#define PSDA_LED6 0x04 /* LED 6, 1 = LED ON */
#define PSDA_LED5 0x02 /* LED 5, 1 = LED ON */
#define PSDA_LED4 0x01 /* LED 4, 1 = LED ON */
#define PSDA_LED9 0x20 /* LED 9, 1 = LED ON */
#define PSDA_LED8 0x10 /* LED 8, 1 = LED ON */
#define PSDA_LED7 0x08 /* LED 7, 1 = LED ON */
#define PSDA_LED6 0x04 /* LED 6, 1 = LED ON */
#define PSDA_LED5 0x02 /* LED 5, 1 = LED ON */
#define PSDA_LED4 0x01 /* LED 4, 1 = LED ON */

17
board/ezkit533/u-boot.lds → board/bf533-ezkit/u-boot.lds.S
View File

@ -1,7 +1,7 @@
/*
* U-boot - u-boot.lds
* U-boot - u-boot.lds.S
*
* Copyright (c) 2005 blackfin.uclinux.org
* Copyright (c) 2005-2007 Analog Device Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@ -25,6 +25,8 @@
* MA 02111-1307 USA
*/
#include <config.h>
OUTPUT_ARCH(bfin)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
/* Do we need any of these for elf?
@ -55,6 +57,7 @@ SECTIONS
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
. = CFG_MONITOR_BASE;
.text :
{
/* WARNING - the following is hand-optimized to fit within */
@ -68,10 +71,11 @@ SECTIONS
cpu/bf533/interrupt.o (.text)
cpu/bf533/serial.o (.text)
common/dlmalloc.o (.text)
lib_generic/vsprintf.o (.text)
/* lib_blackfin/bf533_string.o (.text) */
/* lib_generic/vsprintf.o (.text) */
lib_generic/crc32.o (.text)
lib_generic/zlib.o (.text)
board/ezkit533/ezkit533.o (.text)
board/bf533-ezkit/bf533-ezkit.o (.text)
. = DEFINED(env_offset) ? env_offset : .;
common/environment.o (.text)
@ -119,9 +123,9 @@ SECTIONS
_edata = .;
PROVIDE (edata = .);
__u_boot_cmd_start = .;
___u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
___u_boot_cmd_end = .;
__start___ex_table = .;
@ -146,3 +150,4 @@ SECTIONS
_end = . ;
PROVIDE (end = .);
}

48
board/bf533-stamp/Makefile Normal file
View File

@ -0,0 +1,48 @@
#
# U-boot - Makefile
#
# Copyright (c) 2005-2007 Analog Device Inc.
#
# (C) Copyright 2000-2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o spi.o
$(LIB): .depend $(OBJS) u-boot.lds
$(AR) cr $@ $(OBJS)
u-boot.lds: u-boot.lds.S
$(CPP) $(CPPFLAGS) -P -Ubfin $^ > $@.tmp
mv -f $@.tmp $@
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude .depend
#########################################################################

135
board/stamp/stamp.c → board/bf533-stamp/bf533-stamp.c
View File

@ -27,9 +27,7 @@
#include <common.h>
#include <asm/mem_init.h>
#include "stamp.h"
DECLARE_GLOBAL_DATA_PTR;
#include "bf533-stamp.h"
#define STATUS_LED_OFF 0
#define STATUS_LED_ON 1
@ -40,42 +38,45 @@ DECLARE_GLOBAL_DATA_PTR;
# define SHOW_BOOT_PROGRESS(arg)
#endif
int checkboard (void)
int checkboard(void)
{
printf ("CPU: ADSP BF533 Rev.: 0.%d\n", *pCHIPID >> 28);
printf ("Board: ADI BF533 Stamp board\n");
printf (" Support: http://blackfin.uclinux.org/\n");
printf (" Richard Klingler <richard@uclinux.net>\n");
#if (BFIN_CPU == ADSP_BF531)
printf("CPU: ADSP BF531 Rev.: 0.%d\n", *pCHIPID >> 28);
#elif (BFIN_CPU == ADSP_BF532)
printf("CPU: ADSP BF532 Rev.: 0.%d\n", *pCHIPID >> 28);
#else
printf("CPU: ADSP BF533 Rev.: 0.%d\n", *pCHIPID >> 28);
#endif
printf("Board: ADI BF533 Stamp board\n");
printf(" Support: http://blackfin.uclinux.org/\n");
return 0;
}
long int initdram (int board_type)
long int initdram(int board_type)
{
DECLARE_GLOBAL_DATA_PTR;
#ifdef DEBUG
printf ("SDRAM attributes:\n");
printf (" tRCD:%d Cycles; tRP:%d Cycles; tRAS:%d Cycles; tWR:%d Cycles; "
"CAS Latency:%d cycles\n",
(SDRAM_tRCD >> 15),
(SDRAM_tRP >> 11),
(SDRAM_tRAS >> 6),
(SDRAM_tWR >> 19),
(SDRAM_CL >> 2));
printf ("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
printf ("Bank size = %d MB\n", 128);
printf("SDRAM attributes:\n");
printf
(" tRCD:%d Cycles; tRP:%d Cycles; tRAS:%d Cycles; tWR:%d Cycles; "
"CAS Latency:%d cycles\n", (SDRAM_tRCD >> 15), (SDRAM_tRP >> 11),
(SDRAM_tRAS >> 6), (SDRAM_tWR >> 19), (SDRAM_CL >> 2));
printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
printf("Bank size = %d MB\n", 128);
#endif
gd->bd->bi_memstart = CFG_SDRAM_BASE;
gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
return (gd->bd->bi_memsize);
}
void swap_to (int device_id)
void swap_to(int device_id)
{
if (device_id == ETHERNET) {
*pFIO_DIR = PF0;
asm ("ssync;");
__builtin_bfin_ssync();
*pFIO_FLAG_S = PF0;
asm ("ssync;");
__builtin_bfin_ssync();
} else if (device_id == FLASH) {
*pFIO_DIR = (PF4 | PF3 | PF2 | PF1 | PF0);
*pFIO_FLAG_S = (PF4 | PF3 | PF2);
@ -85,9 +86,9 @@ void swap_to (int device_id)
*pFIO_EDGE = (PF8 | PF7 | PF6 | PF5);
*pFIO_INEN = (PF8 | PF7 | PF6 | PF5);
*pFIO_FLAG_D = (PF4 | PF3 | PF2);
asm ("ssync;");
__builtin_bfin_ssync();
} else {
printf ("Unknown bank to switch\n");
printf("Unknown bank to switch\n");
}
return;
@ -95,7 +96,7 @@ void swap_to (int device_id)
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
int misc_init_r (void)
int misc_init_r(void)
{
int i;
int cf_stat = 0;
@ -104,7 +105,7 @@ int misc_init_r (void)
*pFIO_EDGE = FIO_EDGE_CF_BITS;
*pFIO_POLAR = FIO_POLAR_CF_BITS;
for (i = 0; i < 0x300; i++)
asm ("nop;");
asm("nop;");
if ((*pFIO_FLAG_S) & CF_STAT_BITS) {
cf_stat = 0;
@ -115,37 +116,36 @@ int misc_init_r (void)
*pFIO_EDGE = FIO_EDGE_BITS;
*pFIO_POLAR = FIO_POLAR_BITS;
if (cf_stat) {
printf ("Booting from COMPACT flash\n");
printf("Booting from COMPACT flash\n");
/* Set cycle time for CF */
*(volatile unsigned long *) ambctl1 = CF_AMBCTL1VAL;
*(volatile unsigned long *)ambctl1 = CF_AMBCTL1VAL;
for (i = 0; i < 0x1000; i++)
asm ("nop;");
asm("nop;");
for (i = 0; i < 0x1000; i++)
asm ("nop;");
asm("nop;");
for (i = 0; i < 0x1000; i++)
asm ("nop;");
asm("nop;");
serial_setbrg ();
ide_init ();
serial_setbrg();
ide_init();
setenv ("bootargs", "");
setenv ("bootcmd",
"fatload ide 0:1 0x1000000 uImage-stamp;bootm 0x1000000;bootm 0x20100000");
setenv("bootargs", "");
setenv("bootcmd",
"fatload ide 0:1 0x1000000 uImage-stamp;bootm 0x1000000;bootm 0x20100000");
} else {
printf ("Booting from FLASH\n");
printf("Booting from FLASH\n");
}
return 1;
return 0;
}
#endif
#ifdef CONFIG_STAMP_CF
void cf_outb (unsigned char val, volatile unsigned char *addr)
void cf_outb(unsigned char val, volatile unsigned char *addr)
{
/*
* Set PF1 PF0 respectively to 0 1 to divert address
@ -153,70 +153,70 @@ void cf_outb (unsigned char val, volatile unsigned char *addr)
*/
*pFIO_FLAG_S = CF_PF0;
*pFIO_FLAG_C = CF_PF1;
asm ("ssync;");
__builtin_bfin_ssync();
*(addr) = val;
asm ("ssync;");
__builtin_bfin_ssync();
/* Setback PF1 PF0 to 0 0 to address external
* memory banks */
*(volatile unsigned short *) pFIO_FLAG_C = CF_PF1_PF0;
asm ("ssync;");
*(volatile unsigned short *)pFIO_FLAG_C = CF_PF1_PF0;
__builtin_bfin_ssync();
}
unsigned char cf_inb (volatile unsigned char *addr)
unsigned char cf_inb(volatile unsigned char *addr)
{
volatile unsigned char c;
*pFIO_FLAG_S = CF_PF0;
*pFIO_FLAG_C = CF_PF1;
asm ("ssync;");
__builtin_bfin_ssync();
c = *(addr);
asm ("ssync;");
__builtin_bfin_ssync();
*pFIO_FLAG_C = CF_PF1_PF0;
asm ("ssync;");
__builtin_bfin_ssync();
return c;
}
void cf_insw (unsigned short *sect_buf, unsigned short *addr, int words)
void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
{
int i;
*pFIO_FLAG_S = CF_PF0;
*pFIO_FLAG_C = CF_PF1;
asm ("ssync;");
__builtin_bfin_ssync();
for (i = 0; i < words; i++) {
*(sect_buf + i) = *(addr);
asm ("ssync;");
__builtin_bfin_ssync();
}
*pFIO_FLAG_C = CF_PF1_PF0;
asm ("ssync;");
__builtin_bfin_ssync();
}
void cf_outsw (unsigned short *addr, unsigned short *sect_buf, int words)
void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
{
int i;
*pFIO_FLAG_S = CF_PF0;
*pFIO_FLAG_C = CF_PF1;
asm ("ssync;");
__builtin_bfin_ssync();
for (i = 0; i < words; i++) {
*(addr) = *(sect_buf + i);
asm ("ssync;");
__builtin_bfin_ssync();
}
*pFIO_FLAG_C = CF_PF1_PF0;
asm ("ssync;");
__builtin_bfin_ssync();
}
#endif
void stamp_led_set (int LED1, int LED2, int LED3)
void stamp_led_set(int LED1, int LED2, int LED3)
{
*pFIO_INEN &= ~(PF2 | PF3 | PF4);
*pFIO_DIR |= (PF2 | PF3 | PF4);
@ -233,31 +233,31 @@ void stamp_led_set (int LED1, int LED2, int LED3)
*pFIO_FLAG_S = PF4;
else
*pFIO_FLAG_C = PF4;
asm ("ssync;");
__builtin_bfin_ssync();
}
void show_boot_progress (int status)
void show_boot_progress(int status)
{
switch (status) {
case 1:
stamp_led_set (STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON);
stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON);
break;
case 2:
stamp_led_set (STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF);
stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF);
break;
case 3:
stamp_led_set (STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON);
stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON);
break;
case 4:
stamp_led_set (STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF);
stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF);
break;
case 5:
case 6:
stamp_led_set (STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON);
stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON);
break;
case 7:
case 8:
stamp_led_set (STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF);
stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF);
break;
case 9:
case 10:
@ -266,11 +266,10 @@ void show_boot_progress (int status)
case 13:
case 14:
case 15:
stamp_led_set (STATUS_LED_OFF, STATUS_LED_OFF,
STATUS_LED_OFF);
stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_OFF);
break;
default:
stamp_led_set (STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_ON);
stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_ON);
break;
}
}

1
board/stamp/stamp.h → board/bf533-stamp/bf533-stamp.h
View File

@ -36,7 +36,6 @@ extern volatile unsigned long *amgctl;
extern unsigned long pll_div_fact;
extern void serial_setbrg(void);
extern void pll_set(int vco, int crystal_frq, int pll_div);
/* Definitions used in Compact Flash Boot support */
#define FIO_EDGE_CF_BITS 0x0000

4
board/stamp/config.mk → board/bf533-stamp/config.mk
View File

@ -20,6 +20,6 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
# TEXT_BASE should be defined as the MAX_SDRAM Address - 256k bytes
# 256k is defined as CFG_MONITOR_LEN in ./include/configs/<board>.h
TEXT_BASE = 0x07FC0000
PLATFORM_CPPFLAGS += -I$(TOPDIR)

472
board/bf533-stamp/spi.c Normal file
View File

@ -0,0 +1,472 @@
/****************************************************************************
* SPI flash driver for M25P64
****************************************************************************/
#include <common.h>
#include <linux/ctype.h>
#if defined(CONFIG_SPI)
/*Application definitions */
#define NUM_SECTORS 128 /* number of sectors */
#define SECTOR_SIZE 0x10000
#define NOP_NUM 1000
#define COMMON_SPI_SETTINGS (SPE|MSTR|CPHA|CPOL) /*Settings to the SPI_CTL */
#define TIMOD01 (0x01) /*stes the SPI to work with core instructions */
/*Flash commands */
#define SPI_WREN (0x06) /*Set Write Enable Latch */
#define SPI_WRDI (0x04) /*Reset Write Enable Latch */
#define SPI_RDSR (0x05) /*Read Status Register */
#define SPI_WRSR (0x01) /*Write Status Register */
#define SPI_READ (0x03) /*Read data from memory */
#define SPI_PP (0x02) /*Program Data into memory */
#define SPI_SE (0xD8) /*Erase one sector in memory */
#define SPI_BE (0xC7) /*Erase all memory */
#define WIP (0x1) /*Check the write in progress bit of the SPI status register */
#define WEL (0x2) /*Check the write enable bit of the SPI status register */
#define TIMEOUT 350000000
typedef enum {
NO_ERR,
POLL_TIMEOUT,
INVALID_SECTOR,
INVALID_BLOCK,
} ERROR_CODE;
void spi_init_f(void);
void spi_init_r(void);
ssize_t spi_read(uchar *, int, uchar *, int);
ssize_t spi_write(uchar *, int, uchar *, int);
char ReadStatusRegister(void);
void Wait_For_SPIF(void);
void SetupSPI(const int spi_setting);
void SPI_OFF(void);
void SendSingleCommand(const int iCommand);
ERROR_CODE GetSectorNumber(unsigned long ulOffset, int *pnSector);
ERROR_CODE EraseBlock(int nBlock);
ERROR_CODE ReadData(unsigned long ulStart, long lCount, int *pnData);
ERROR_CODE WriteData(unsigned long ulStart, long lCount, int *pnData);
ERROR_CODE Wait_For_Status(char Statusbit);
ERROR_CODE Wait_For_WEL(void);
/* -------------------
* Variables
* ------------------- */
/* **************************************************************************
*
* Function: spi_init_f
*
* Description: Init SPI-Controller (ROM part)
*
* return: ---
*
* *********************************************************************** */
void spi_init_f(void)
{
}
/* **************************************************************************
*
* Function: spi_init_r
*
* Description: Init SPI-Controller (RAM part) -
* The malloc engine is ready and we can move our buffers to
* normal RAM
*
* return: ---
*
* *********************************************************************** */
void spi_init_r(void)
{
return;
}
/****************************************************************************
* Function: spi_write
**************************************************************************** */
ssize_t spi_write(uchar * addr, int alen, uchar * buffer, int len)
{
unsigned long offset;
int start_block, end_block;
int start_byte, end_byte;
ERROR_CODE result = NO_ERR;
uchar temp[SECTOR_SIZE];
int i, num;
offset = addr[0] << 16 | addr[1] << 8 | addr[2];
/* Get the start block number */
result = GetSectorNumber(offset, &start_block);
if (result == INVALID_SECTOR) {
printf("Invalid sector! ");
return 0;
}
/* Get the end block number */
result = GetSectorNumber(offset + len - 1, &end_block);
if (result == INVALID_SECTOR) {
printf("Invalid sector! ");
return 0;
}
for (num = start_block; num <= end_block; num++) {
ReadData(num * SECTOR_SIZE, SECTOR_SIZE, (int *)temp);
start_byte = num * SECTOR_SIZE;
end_byte = (num + 1) * SECTOR_SIZE - 1;
if (start_byte < offset)
start_byte = offset;
if (end_byte > (offset + len))
end_byte = (offset + len - 1);
for (i = start_byte; i <= end_byte; i++)
temp[i - num * SECTOR_SIZE] = buffer[i - offset];
EraseBlock(num);
result = WriteData(num * SECTOR_SIZE, SECTOR_SIZE, (int *)temp);
if (result != NO_ERR)
return 0;
printf(".");
}
return len;
}
/****************************************************************************
* Function: spi_read
**************************************************************************** */
ssize_t spi_read(uchar * addr, int alen, uchar * buffer, int len)
{
unsigned long offset;
offset = addr[0] << 16 | addr[1] << 8 | addr[2];
ReadData(offset, len, (int *)buffer);
return len;
}
void SendSingleCommand(const int iCommand)
{
unsigned short dummy;
/*turns on the SPI in single write mode */
SetupSPI((COMMON_SPI_SETTINGS | TIMOD01));
/*sends the actual command to the SPI TX register */
*pSPI_TDBR = iCommand;
__builtin_bfin_ssync();
/*The SPI status register will be polled to check the SPIF bit */
Wait_For_SPIF();
dummy = *pSPI_RDBR;
/*The SPI will be turned off */
SPI_OFF();
}
void SetupSPI(const int spi_setting)
{
if (icache_status() || dcache_status())
udelay(CONFIG_CCLK_HZ / 50000000);
/*sets up the PF2 to be the slave select of the SPI */
*pSPI_FLG = 0xFB04;
*pSPI_BAUD = CONFIG_SPI_BAUD;
*pSPI_CTL = spi_setting;
__builtin_bfin_ssync();
}
void SPI_OFF(void)
{
*pSPI_CTL = 0x0400; /* disable SPI */
*pSPI_FLG = 0;
*pSPI_BAUD = 0;
__builtin_bfin_ssync();
udelay(CONFIG_CCLK_HZ / 50000000);
}
void Wait_For_SPIF(void)
{
unsigned short dummyread;
while ((*pSPI_STAT & TXS)) ;
while (!(*pSPI_STAT & SPIF)) ;
while (!(*pSPI_STAT & RXS)) ;
dummyread = *pSPI_RDBR; /* Read dummy to empty the receive register */
}
ERROR_CODE Wait_For_WEL(void)
{
int i;
char status_register = 0;
ERROR_CODE ErrorCode = NO_ERR; /* tells us if there was an error erasing flash */
for (i = 0; i < TIMEOUT; i++) {
status_register = ReadStatusRegister();
if ((status_register & WEL)) {
ErrorCode = NO_ERR; /* tells us if there was an error erasing flash */
break;
}
ErrorCode = POLL_TIMEOUT; /* Time out error */
};
return ErrorCode;
}
ERROR_CODE Wait_For_Status(char Statusbit)
{
int i;
char status_register = 0xFF;
ERROR_CODE ErrorCode = NO_ERR; /* tells us if there was an error erasing flash */
for (i = 0; i < TIMEOUT; i++) {
status_register = ReadStatusRegister();
if (!(status_register & Statusbit)) {
ErrorCode = NO_ERR; /* tells us if there was an error erasing flash */
break;
}
ErrorCode = POLL_TIMEOUT; /* Time out error */
};
return ErrorCode;
}
char ReadStatusRegister(void)
{
char status_register = 0;
SetupSPI((COMMON_SPI_SETTINGS | TIMOD01)); /* Turn on the SPI */
*pSPI_TDBR = SPI_RDSR; /* send instruction to read status register */
__builtin_bfin_ssync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
*pSPI_TDBR = 0; /*send dummy to receive the status register */
__builtin_bfin_ssync();
Wait_For_SPIF(); /*wait until the data has been sent */
status_register = *pSPI_RDBR; /*read the status register */
SPI_OFF(); /* Turn off the SPI */
return status_register;
}
ERROR_CODE GetSectorNumber(unsigned long ulOffset, int *pnSector)
{
int nSector = 0;
ERROR_CODE ErrorCode = NO_ERR;
if (ulOffset > (NUM_SECTORS * 0x10000 - 1)) {
ErrorCode = INVALID_SECTOR;
return ErrorCode;
}
nSector = (int)ulOffset / 0x10000;
*pnSector = nSector;
/* ok */
return ErrorCode;
}
ERROR_CODE EraseBlock(int nBlock)
{
unsigned long ulSectorOff = 0x0, ShiftValue;
ERROR_CODE ErrorCode = NO_ERR;
/* if the block is invalid just return */
if ((nBlock < 0) || (nBlock > NUM_SECTORS)) {
ErrorCode = INVALID_BLOCK; /* tells us if there was an error erasing flash */
return ErrorCode;
}
/* figure out the offset of the block in flash */
if ((nBlock >= 0) && (nBlock < NUM_SECTORS)) {
ulSectorOff = (nBlock * SECTOR_SIZE);
} else {
ErrorCode = INVALID_BLOCK; /* tells us if there was an error erasing flash */
return ErrorCode;
}
/* A write enable instruction must previously have been executed */
SendSingleCommand(SPI_WREN);
/*The status register will be polled to check the write enable latch "WREN" */
ErrorCode = Wait_For_WEL();
if (POLL_TIMEOUT == ErrorCode) {
printf("SPI Erase block error\n");
return ErrorCode;
} else
/*Turn on the SPI to send single commands */
SetupSPI((COMMON_SPI_SETTINGS | TIMOD01));
/* Send the erase block command to the flash followed by the 24 address */
/* to point to the start of a sector. */
*pSPI_TDBR = SPI_SE;
__builtin_bfin_ssync();
Wait_For_SPIF();
ShiftValue = (ulSectorOff >> 16); /* Send the highest byte of the 24 bit address at first */
*pSPI_TDBR = ShiftValue;
__builtin_bfin_ssync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
ShiftValue = (ulSectorOff >> 8); /* Send the middle byte of the 24 bit address at second */
*pSPI_TDBR = ShiftValue;
__builtin_bfin_ssync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
*pSPI_TDBR = ulSectorOff; /* Send the lowest byte of the 24 bit address finally */
__builtin_bfin_ssync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
/*Turns off the SPI */
SPI_OFF();
/* Poll the status register to check the Write in Progress bit */
/* Sector erase takes time */
ErrorCode = Wait_For_Status(WIP);
/* block erase should be complete */
return ErrorCode;
}
/*****************************************************************************
* ERROR_CODE ReadData()
*
* Read a value from flash for verify purpose
*
* Inputs: unsigned long ulStart - holds the SPI start address
* int pnData - pointer to store value read from flash
* long lCount - number of elements to read
***************************************************************************** */
ERROR_CODE ReadData(unsigned long ulStart, long lCount, int *pnData)
{
unsigned long ShiftValue;
char *cnData;
int i;
cnData = (char *)pnData; /* Pointer cast to be able to increment byte wise */
/* Start SPI interface */
SetupSPI((COMMON_SPI_SETTINGS | TIMOD01));
*pSPI_TDBR = SPI_READ; /* Send the read command to SPI device */
__builtin_bfin_ssync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
ShiftValue = (ulStart >> 16); /* Send the highest byte of the 24 bit address at first */
*pSPI_TDBR = ShiftValue; /* Send the byte to the SPI device */
__builtin_bfin_ssync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
ShiftValue = (ulStart >> 8); /* Send the middle byte of the 24 bit address at second */
*pSPI_TDBR = ShiftValue; /* Send the byte to the SPI device */
__builtin_bfin_ssync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
*pSPI_TDBR = ulStart; /* Send the lowest byte of the 24 bit address finally */
__builtin_bfin_ssync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
/* After the SPI device address has been placed on the MOSI pin the data can be */
/* received on the MISO pin. */
for (i = 0; i < lCount; i++) {
*pSPI_TDBR = 0; /*send dummy */
__builtin_bfin_ssync();
while (!(*pSPI_STAT & RXS)) ;
*cnData++ = *pSPI_RDBR; /*read */
if ((i >= SECTOR_SIZE) && (i % SECTOR_SIZE == 0))
printf(".");
}
SPI_OFF(); /* Turn off the SPI */
return NO_ERR;
}
ERROR_CODE WriteFlash(unsigned long ulStartAddr, long lTransferCount,
int *iDataSource, long *lWriteCount)
{
unsigned long ulWAddr;
long lWTransferCount = 0;
int i;
char iData;
char *temp = (char *)iDataSource;
ERROR_CODE ErrorCode = NO_ERR; /* tells us if there was an error erasing flash */
/* First, a Write Enable Command must be sent to the SPI. */
SendSingleCommand(SPI_WREN);
/* Second, the SPI Status Register will be tested whether the */
/* Write Enable Bit has been set. */
ErrorCode = Wait_For_WEL();
if (POLL_TIMEOUT == ErrorCode) {
printf("SPI Write Time Out\n");
return ErrorCode;
} else
/* Third, the 24 bit address will be shifted out the SPI MOSI bytewise. */
SetupSPI((COMMON_SPI_SETTINGS | TIMOD01)); /* Turns the SPI on */
*pSPI_TDBR = SPI_PP;
__builtin_bfin_ssync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
ulWAddr = (ulStartAddr >> 16);
*pSPI_TDBR = ulWAddr;
__builtin_bfin_ssync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
ulWAddr = (ulStartAddr >> 8);
*pSPI_TDBR = ulWAddr;
__builtin_bfin_ssync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
ulWAddr = ulStartAddr;
*pSPI_TDBR = ulWAddr;
__builtin_bfin_ssync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
/* Fourth, maximum number of 256 bytes will be taken from the Buffer */
/* and sent to the SPI device. */
for (i = 0; (i < lTransferCount) && (i < 256); i++, lWTransferCount++) {
iData = *temp;
*pSPI_TDBR = iData;
__builtin_bfin_ssync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
temp++;
}
SPI_OFF(); /* Turns the SPI off */
/* Sixth, the SPI Write in Progress Bit must be toggled to ensure the */
/* programming is done before start of next transfer. */
ErrorCode = Wait_For_Status(WIP);
if (POLL_TIMEOUT == ErrorCode) {
printf("SPI Program Time out!\n");
return ErrorCode;
} else
*lWriteCount = lWTransferCount;
return ErrorCode;
}
ERROR_CODE WriteData(unsigned long ulStart, long lCount, int *pnData)
{
unsigned long ulWStart = ulStart;
long lWCount = lCount, lWriteCount;
long *pnWriteCount = &lWriteCount;
ERROR_CODE ErrorCode = NO_ERR;
while (lWCount != 0) {
ErrorCode = WriteFlash(ulWStart, lWCount, pnData, pnWriteCount);
/* After each function call of WriteFlash the counter must be adjusted */
lWCount -= *pnWriteCount;
/* Also, both address pointers must be recalculated. */
ulWStart += *pnWriteCount;
pnData += *pnWriteCount / 4;
}
/* return the appropriate error code */
return ErrorCode;
}
#endif /* CONFIG_SPI */

18
board/stamp/u-boot.lds → board/bf533-stamp/u-boot.lds.S
View File

@ -1,7 +1,7 @@
/*
* U-boot - u-boot.lds
* U-boot - u-boot.lds.S
*
* Copyright (c) 2005 blackfin.uclinux.org
* Copyright (c) 2005-2007 Analog Device Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@ -25,6 +25,8 @@
* MA 02111-1307 USA
*/
#include <config.h>
OUTPUT_ARCH(bfin)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
/* Do we need any of these for elf?
@ -55,6 +57,7 @@ SECTIONS
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
. = CFG_MONITOR_BASE;
.text :
{
/* WARNING - the following is hand-optimized to fit within */
@ -68,9 +71,11 @@ SECTIONS
cpu/bf533/interrupt.o (.text)
cpu/bf533/serial.o (.text)
common/dlmalloc.o (.text)
lib_generic/vsprintf.o (.text)
/* lib_blackfin/bf533_string.o (.text) */
/* lib_generic/vsprintf.o (.text) */
lib_generic/crc32.o (.text)
lib_generic/zlib.o (.text)
/* lib_generic/zlib.o (.text) */
/* board/stamp/stamp.o (.text) */
. = DEFINED(env_offset) ? env_offset : .;
common/environment.o (.text)
@ -118,9 +123,9 @@ SECTIONS
_edata = .;
PROVIDE (edata = .);
__u_boot_cmd_start = .;
___u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
___u_boot_cmd_end = .;
__start___ex_table = .;
@ -145,3 +150,4 @@ SECTIONS
_end = . ;
PROVIDE (end = .);
}

71
board/stamp/Makefile
View File

@ -1,71 +0,0 @@
#
# U-boot - Makefile
#
# Copyright (c) 2005 blackfin.uclinux.org
#
# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
#
# (C) Copyright 2001-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS = $(BOARD).o stamp.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

22
cpu/bf533/Makefile
View File

@ -2,7 +2,7 @@
#
# Copyright (c) 2005 blackfin.uclinux.org
#
# (C) Copyright 2000-2006
# (C) Copyright 2000-2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
@ -26,25 +26,23 @@
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
LIB = lib$(CPU).a
START = start.o start1.o interrupt.o cache.o cplbhdlr.o cplbmgr.o flush.o
COBJS = cpu.o traps.o ints.o serial.o interrupts.o
START = start.o start1.o interrupt.o cache.o flush.o init_sdram.o
OBJS = cpu.o traps.o ints.o serial.o interrupts.o video.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
START := $(addprefix $(obj),$(START))
EXTRA = init_sdram_bootrom_initblock.o
all: $(obj).depend $(START) $(LIB)
all: .depend $(START) $(LIB) .depend $(EXTRA)
$(LIB): $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
$(AR) cr $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
sinclude $(obj).depend
sinclude .depend
#########################################################################

5
cpu/bf533/bf533_serial.h
View File

@ -3,7 +3,7 @@
*
* Copyright (c) 2005 blackfin.uclinux.org
*
* This file is based on
* This file is based on
* bf533_serial.h: Definitions for the BlackFin BF533 DSP serial driver.
* Copyright (C) 2003 Bas Vermeulen <bas@buyways.nl>
* BuyWays B.V. (www.buyways.nl)
@ -63,8 +63,7 @@ int serial_getc(void);
void serial_puts(const char *s);
static void local_put_char(char ch);
extern int get_clock(void);
int baud_table[5] = {9600, 19200, 38400, 57600, 115200};
int baud_table[5] = { 9600, 19200, 38400, 57600, 115200 };
struct {
unsigned char dl_high;

75
cpu/bf533/cache.S
View File

@ -1,18 +1,17 @@
#define ASSEMBLY
#include <asm/linkage.h>
#include <asm/cpu/def_LPBlackfin.h>
#include <config.h>
#include <asm/blackfin.h>
.text
.align 2
ENTRY(blackfin_icache_flush_range)
ENTRY(_blackfin_icache_flush_range)
R2 = -32;
R2 = R0 & R2;
P0 = R2;
P1 = R1;
CSYNC;
1:
1:
IFLUSH[P0++];
CC = P0 < P1(iu);
IF CC JUMP 1b(bp);
@ -20,7 +19,7 @@ ENTRY(blackfin_icache_flush_range)
SSYNC;
RTS;
ENTRY(blackfin_dcache_flush_range)
ENTRY(_blackfin_dcache_flush_range)
R2 = -32;
R2 = R0 & R2;
P0 = R2;
@ -35,19 +34,21 @@ ENTRY(blackfin_dcache_flush_range)
RTS;
ENTRY(_icache_invalidate)
ENTRY(invalidate_entire_icache)
[--SP] = ( R7:5);
ENTRY(_invalidate_entire_icache)
[--SP] = (R7:5);
P0.L = (IMEM_CONTROL & 0xFFFF);
P0.H = (IMEM_CONTROL >> 16);
R7 = [P0];
R7 =[P0];
/* Clear the IMC bit , All valid bits in the instruction
* cache are set to the invalid state
*/
BITCLR(R7,IMC_P);
/*
* Clear the IMC bit , All valid bits in the instruction
* cache are set to the invalid state
*/
BITCLR(R7, IMC_P);
CLI R6;
SSYNC; /* SSYNC required before invalidating cache. */
/* SSYNC required before invalidating cache. */
SSYNC;
.align 8;
[P0] = R7;
SSYNC;
@ -58,54 +59,55 @@ ENTRY(invalidate_entire_icache)
R7 = R7 | R6;
CLI R6;
SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */
SSYNC;
.align 8;
[P0] = R7;
SSYNC;
STI R6;
( R7:5) = [SP++];
(R7:5) =[SP++];
RTS;
/* Invalidate the Entire Data cache by
/*
* Invalidate the Entire Data cache by
* clearing DMC[1:0] bits
*/
ENTRY(invalidate_entire_dcache)
ENTRY(_invalidate_entire_dcache)
ENTRY(_dcache_invalidate)
[--SP] = ( R7:6);
[--SP] = (R7:6);
P0.L = (DMEM_CONTROL & 0xFFFF);
P0.H = (DMEM_CONTROL >> 16);
R7 = [P0];
R7 =[P0];
/* Clear the DMC[1:0] bits, All valid bits in the data
* cache are set to the invalid state
*/
BITCLR(R7,DMC0_P);
BITCLR(R7,DMC1_P);
/*
* Clear the DMC[1:0] bits, All valid bits in the data
* cache are set to the invalid state
*/
BITCLR(R7, DMC0_P);
BITCLR(R7, DMC1_P);
CLI R6;
SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */
SSYNC;
.align 8;
[P0] = R7;
SSYNC;
STI R6;
/* Configures the data cache again */
R6 = (ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
R7 = R7 | R6;
CLI R6;
SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */
SSYNC;
.align 8;
[P0] = R7;
SSYNC;
STI R6;
( R7:6) = [SP++];
(R7:6) =[SP++];
RTS;
ENTRY(blackfin_dcache_invalidate_range)
ENTRY(_blackfin_dcache_invalidate_range)
R2 = -32;
R2 = R0 & R2;
P0 = R2;
@ -113,13 +115,14 @@ ENTRY(blackfin_dcache_invalidate_range)
CSYNC;
1:
FLUSHINV[P0++];
CC = P0 < P1 (iu);
IF CC JUMP 1b (bp);
CC = P0 < P1(iu);
IF CC JUMP 1b(bp);
/* If the data crosses a cache line, then we'll be pointing to
** the last cache line, but won't have flushed/invalidated it yet, so do
** one more.
*/
/*
* If the data crosses a cache line, then we'll be pointing to
* the last cache line, but won't have flushed/invalidated it yet, so do
* one more.
*/
FLUSHINV[P0];
SSYNC;
RTS;

2
cpu/bf533/config.mk
View File

@ -24,4 +24,4 @@
# MA 02111-1307 USA
#
PLATFORM_RELFLAGS += -ffixed-P5
PLATFORM_RELFLAGS += -mcpu=bf533 -ffixed-P5

193
cpu/bf533/cplbhdlr.S
View File

@ -1,193 +0,0 @@
/* Copyright (C) 2003 Analog Devices, Inc. All Rights Reserved.
*
* This file is subject to the terms and conditions of the GNU General Public
* License.
*
* Blackfin BF533/2.6 support : LG Soft India
*/
/* Include an exception handler to invoke the CPLB manager
*/
#include <asm-blackfin/linkage.h>
#include <asm/cplb.h>
#include <asm/entry.h>
.text
.globl _cplb_hdr;
.type _cplb_hdr, STT_FUNC;
.extern _cplb_mgr;
.type _cplb_mgr, STT_FUNC;
.extern __unknown_exception_occurred;
.type __unknown_exception_occurred, STT_FUNC;
.extern __cplb_miss_all_locked;
.type __cplb_miss_all_locked, STT_FUNC;
.extern __cplb_miss_without_replacement;
.type __cplb_miss_without_replacement, STT_FUNC;
.extern __cplb_protection_violation;
.type __cplb_protection_violation, STT_FUNC;
.extern panic_pv;
.align 2;
ENTRY(_cplb_hdr)
SSYNC;
[--SP] = ( R7:0, P5:0 );
[--SP] = ASTAT;
[--SP] = SEQSTAT;
[--SP] = I0;
[--SP] = I1;
[--SP] = I2;
[--SP] = I3;
[--SP] = LT0;
[--SP] = LB0;
[--SP] = LC0;
[--SP] = LT1;
[--SP] = LB1;
[--SP] = LC1;
R2 = SEQSTAT;
/*Mask the contents of SEQSTAT and leave only EXCAUSE in R2*/
R2 <<= 26;
R2 >>= 26;
R1 = 0x23; /* Data access CPLB protection violation */
CC = R2 == R1;
IF !CC JUMP not_data_write;
R0 = 2; /* is a write to data space*/
JUMP is_icplb_miss;
not_data_write:
R1 = 0x2C; /* CPLB miss on an instruction fetch */
CC = R2 == R1;
R0 = 0; /* is_data_miss == False*/
IF CC JUMP is_icplb_miss;
R1 = 0x26;
CC = R2 == R1;
IF !CC JUMP unknown;
R0 = 1; /* is_data_miss == True*/
is_icplb_miss:
#if ( defined (CONFIG_BLKFIN_CACHE) || defined (CONFIG_BLKFIN_DCACHE))
#if ( defined (CONFIG_BLKFIN_CACHE) && !defined (CONFIG_BLKFIN_DCACHE))
R1 = CPLB_ENABLE_ICACHE;
#endif
#if ( !defined (CONFIG_BLKFIN_CACHE) && defined (CONFIG_BLKFIN_DCACHE))
R1 = CPLB_ENABLE_DCACHE;
#endif
#if ( defined (CONFIG_BLKFIN_CACHE) && defined (CONFIG_BLKFIN_DCACHE))
R1 = CPLB_ENABLE_DCACHE | CPLB_ENABLE_ICACHE;
#endif
#else
R1 = 0;
#endif
[--SP] = RETS;
CALL _cplb_mgr;
RETS = [SP++];
CC = R0 == 0;
IF !CC JUMP not_replaced;
LC1 = [SP++];
LB1 = [SP++];
LT1 = [SP++];
LC0 = [SP++];
LB0 = [SP++];
LT0 = [SP++];
I3 = [SP++];
I2 = [SP++];
I1 = [SP++];
I0 = [SP++];
SEQSTAT = [SP++];
ASTAT = [SP++];
( R7:0, P5:0 ) = [SP++];
RTS;
unknown:
[--SP] = RETS;
CALL __unknown_exception_occurred;
RETS = [SP++];
JUMP unknown;
not_replaced:
CC = R0 == CPLB_NO_UNLOCKED;
IF !CC JUMP next_check;
[--SP] = RETS;
CALL __cplb_miss_all_locked;
RETS = [SP++];
next_check:
CC = R0 == CPLB_NO_ADDR_MATCH;
IF !CC JUMP next_check2;
[--SP] = RETS;
CALL __cplb_miss_without_replacement;
RETS = [SP++];
JUMP not_replaced;
next_check2:
CC = R0 == CPLB_PROT_VIOL;
IF !CC JUMP strange_return_from_cplb_mgr;
[--SP] = RETS;
CALL __cplb_protection_violation;
RETS = [SP++];
JUMP not_replaced;
strange_return_from_cplb_mgr:
IDLE;
CSYNC;
JUMP strange_return_from_cplb_mgr;
/************************************
* Diagnostic exception handlers
*/
__cplb_miss_all_locked:
sp += -12;
R0 = CPLB_NO_UNLOCKED;
call panic_bfin;
SP += 12;
RTS;
__cplb_miss_without_replacement:
sp += -12;
R0 = CPLB_NO_ADDR_MATCH;
call panic_bfin;
SP += 12;
RTS;
__cplb_protection_violation:
sp += -12;
R0 = CPLB_PROT_VIOL;
call panic_bfin;
SP += 12;
RTS;
__unknown_exception_occurred:
/* This function is invoked by the default exception
* handler, if it does not recognise the kind of
* exception that has occurred. In other words, the
* default handler only handles some of the system's
* exception types, and it does not expect any others
* to occur. If your application is going to be using
* other kinds of exceptions, you must replace the
* default handler with your own, that handles all the
* exceptions you will use.
*
* Since there's nothing we can do, we just loop here
* at what we hope is a suitably informative label.
*/
IDLE;
do_not_know_what_to_do:
CSYNC;
JUMP __unknown_exception_occurred;
RTS;
.__unknown_exception_occurred.end:
.global __unknown_exception_occurred;
.type __unknown_exception_occurred, STT_FUNC;
panic_bfin:
RTS;

601
cpu/bf533/cplbmgr.S
View File

@ -1,601 +0,0 @@
/*This file is subject to the terms and conditions of the GNU General Public
* License.
*
* Blackfin BF533/2.6 support : LG Soft India
* Modification: Dec 07 2004
* 1. Correction in icheck_lock. Valid lock entries were
* geting victimized, for instruction cplb replacement.
* 2. Setup loop's are modified as now toolchain support's P Indexed
* addressing
* :LG Soft India
*
*/
/* Usage: int _cplb_mgr(is_data_miss,int enable_cache)
* is_data_miss==2 => Mark as Dirty, write to the clean data page
* is_data_miss==1 => Replace a data CPLB.
* is_data_miss==0 => Replace an instruction CPLB.
*
* Returns:
* CPLB_RELOADED => Successfully updated CPLB table.
* CPLB_NO_UNLOCKED => All CPLBs are locked, so cannot be evicted.This indicates
* that the CPLBs in the configuration tablei are badly
* configured, as this should never occur.
* CPLB_NO_ADDR_MATCH => The address being accessed, that triggered the exception,
* is not covered by any of the CPLBs in the configuration
* table. The application isi presumably misbehaving.
* CPLB_PROT_VIOL => The address being accessed, that triggered thei exception,
* was not a first-write to a clean Write Back Data page,
* and so presumably is a genuine violation of the page's
* protection attributes. The application is misbehaving.
*/
#define ASSEMBLY
#include <asm-blackfin/linkage.h>
#include <asm-blackfin/blackfin.h>
#include <asm-blackfin/cplbtab.h>
#include <asm-blackfin/cplb.h>
.text
.align 2;
ENTRY(_cplb_mgr)
[--SP]=( R7:0,P5:0 );
CC = R0 == 2;
IF CC JUMP dcplb_write;
CC = R0 == 0;
IF !CC JUMP dcplb_miss_compare;
/* ICPLB Miss Exception. We need to choose one of the
* currently-installed CPLBs, and replace it with one
* from the configuration table.
*/
P4.L = (ICPLB_FAULT_ADDR & 0xFFFF);
P4.H = (ICPLB_FAULT_ADDR >> 16);
P1 = 16;
P5.L = page_size_table;
P5.H = page_size_table;
P0.L = (ICPLB_DATA0 & 0xFFFF);
P0.H = (ICPLB_DATA0 >> 16);
R4 = [P4]; /* Get faulting address*/
R6 = 64; /* Advance past the fault address, which*/
R6 = R6 + R4; /* we'll use if we find a match*/
R3 = ((16 << 8) | 2); /* Extract mask, bits 16 and 17.*/
R5 = 0;
isearch:
R1 = [P0-0x100]; /* Address for this CPLB */
R0 = [P0++]; /* Info for this CPLB*/
CC = BITTST(R0,0); /* Is the CPLB valid?*/
IF !CC JUMP nomatch; /* Skip it, if not.*/
CC = R4 < R1(IU); /* If fault address less than page start*/
IF CC JUMP nomatch; /* then skip this one.*/
R2 = EXTRACT(R0,R3.L) (Z); /* Get page size*/
P1 = R2;
P1 = P5 + (P1<<2); /* index into page-size table*/
R2 = [P1]; /* Get the page size*/
R1 = R1 + R2; /* and add to page start, to get page end*/
CC = R4 < R1(IU); /* and see whether fault addr is in page.*/
IF !CC R4 = R6; /* If so, advance the address and finish loop.*/
IF !CC JUMP isearch_done;
nomatch:
/* Go around again*/
R5 += 1;
CC = BITTST(R5, 4); /* i.e CC = R5 >= 16*/
IF !CC JUMP isearch;
isearch_done:
I0 = R4; /* Fault address we'll search for*/
/* set up pointers */
P0.L = (ICPLB_DATA0 & 0xFFFF);
P0.H = (ICPLB_DATA0 >> 16);
/* The replacement procedure for ICPLBs */
P4.L = (IMEM_CONTROL & 0xFFFF);
P4.H = (IMEM_CONTROL >> 16);
/* disable cplbs */
R5 = [P4]; /* Control Register*/
BITCLR(R5,ENICPLB_P);
CLI R1;
SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */
.align 8;
[P4] = R5;
SSYNC;
STI R1;
R1 = -1; /* end point comparison */
R3 = 16; /* counter */
/* Search through CPLBs for first non-locked entry */
/* Overwrite it by moving everyone else up by 1 */
icheck_lock:
R0 = [P0++];
R3 = R3 + R1;
CC = R3 == R1;
IF CC JUMP all_locked;
CC = BITTST(R0, 0); /* an invalid entry is good */
IF !CC JUMP ifound_victim;
CC = BITTST(R0,1); /* but a locked entry isn't */
IF CC JUMP icheck_lock;
ifound_victim:
#ifdef CONFIG_CPLB_INFO
R7 = [P0 - 0x104];
P2.L = ipdt_table;
P2.H = ipdt_table;
P3.L = ipdt_swapcount_table;
P3.H = ipdt_swapcount_table;
P3 += -4;
icount:
R2 = [P2]; /* address from config table */
P2 += 8;
P3 += 8;
CC = R2==-1;
IF CC JUMP icount_done;
CC = R7==R2;
IF !CC JUMP icount;
R7 = [P3];
R7 += 1;
[P3] = R7;
CSYNC;
icount_done:
#endif
LC0=R3;
LSETUP(is_move,ie_move) LC0;
is_move:
R0 = [P0];
[P0 - 4] = R0;
R0 = [P0 - 0x100];
[P0-0x104] = R0;
ie_move:P0+=4;
/* We've made space in the ICPLB table, so that ICPLB15
* is now free to be overwritten. Next, we have to determine
* which CPLB we need to install, from the configuration
* table. This is a matter of getting the start-of-page
* addresses and page-lengths from the config table, and
* determining whether the fault address falls within that
* range.
*/
P2.L = ipdt_table;
P2.H = ipdt_table;
#ifdef CONFIG_CPLB_INFO
P3.L = ipdt_swapcount_table;
P3.H = ipdt_swapcount_table;
P3 += -8;
#endif
P0.L = page_size_table;
P0.H = page_size_table;
/* Retrieve our fault address (which may have been advanced
* because the faulting instruction crossed a page boundary).
*/
R0 = I0;
/* An extraction pattern, to get the page-size bits from
* the CPLB data entry. Bits 16-17, so two bits at posn 16.
*/
R1 = ((16<<8)|2);
inext: R4 = [P2++]; /* address from config table */
R2 = [P2++]; /* data from config table */
#ifdef CONFIG_CPLB_INFO
P3 += 8;
#endif
CC = R4 == -1; /* End of config table*/
IF CC JUMP no_page_in_table;
/* See if failed address > start address */
CC = R4 <= R0(IU);
IF !CC JUMP inext;
/* extract page size (17:16)*/
R3 = EXTRACT(R2, R1.L) (Z);
/* add page size to addr to get range */
P5 = R3;
P5 = P0 + (P5 << 2); /* scaled, for int access*/
R3 = [P5];
R3 = R3 + R4;
/* See if failed address < (start address + page size) */
CC = R0 < R3(IU);
IF !CC JUMP inext;
/* We've found a CPLB in the config table that covers
* the faulting address, so install this CPLB into the
* last entry of the table.
*/
P1.L = (ICPLB_DATA15 & 0xFFFF); /*ICPLB_DATA15*/
P1.H = (ICPLB_DATA15 >> 16);
[P1] = R2;
[P1-0x100] = R4;
#ifdef CONFIG_CPLB_INFO
R3 = [P3];
R3 += 1;
[P3] = R3;
#endif
/* P4 points to IMEM_CONTROL, and R5 contains its old
* value, after we disabled ICPLBS. Re-enable them.
*/
BITSET(R5,ENICPLB_P);
CLI R2;
SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */
.align 8;
[P4] = R5;
SSYNC;
STI R2;
( R7:0,P5:0 ) = [SP++];
R0 = CPLB_RELOADED;
RTS;
/* FAILED CASES*/
no_page_in_table:
( R7:0,P5:0 ) = [SP++];
R0 = CPLB_NO_ADDR_MATCH;
RTS;
all_locked:
( R7:0,P5:0 ) = [SP++];
R0 = CPLB_NO_UNLOCKED;
RTS;
prot_violation:
( R7:0,P5:0 ) = [SP++];
R0 = CPLB_PROT_VIOL;
RTS;
dcplb_write:
/* if a DCPLB is marked as write-back (CPLB_WT==0), and
* it is clean (CPLB_DIRTY==0), then a write to the
* CPLB's page triggers a protection violation. We have to
* mark the CPLB as dirty, to indicate that there are
* pending writes associated with the CPLB.
*/
P4.L = (DCPLB_STATUS & 0xFFFF);
P4.H = (DCPLB_STATUS >> 16);
P3.L = (DCPLB_DATA0 & 0xFFFF);
P3.H = (DCPLB_DATA0 >> 16);
R5 = [P4];
/* A protection violation can be caused by more than just writes
* to a clean WB page, so we have to ensure that:
* - It's a write
* - to a clean WB page
* - and is allowed in the mode the access occurred.
*/
CC = BITTST(R5, 16); /* ensure it was a write*/
IF !CC JUMP prot_violation;
/* to check the rest, we have to retrieve the DCPLB.*/
/* The low half of DCPLB_STATUS is a bit mask*/
R2 = R5.L (Z); /* indicating which CPLB triggered the event.*/
R3 = 30; /* so we can use this to determine the offset*/
R2.L = SIGNBITS R2;
R2 = R2.L (Z); /* into the DCPLB table.*/
R3 = R3 - R2;
P4 = R3;
P3 = P3 + (P4<<2);
R3 = [P3]; /* Retrieve the CPLB*/
/* Now we can check whether it's a clean WB page*/
CC = BITTST(R3, 14); /* 0==WB, 1==WT*/
IF CC JUMP prot_violation;
CC = BITTST(R3, 7); /* 0 == clean, 1 == dirty*/
IF CC JUMP prot_violation;
/* Check whether the write is allowed in the mode that was active.*/
R2 = 1<<3; /* checking write in user mode*/
CC = BITTST(R5, 17); /* 0==was user, 1==was super*/
R5 = CC;
R2 <<= R5; /* if was super, check write in super mode*/
R2 = R3 & R2;
CC = R2 == 0;
IF CC JUMP prot_violation;
/* It's a genuine write-to-clean-page.*/
BITSET(R3, 7); /* mark as dirty*/
[P3] = R3; /* and write back.*/
CSYNC;
( R7:0,P5:0 ) = [SP++];
R0 = CPLB_RELOADED;
RTS;
dcplb_miss_compare:
/* Data CPLB Miss event. We need to choose a CPLB to
* evict, and then locate a new CPLB to install from the
* config table, that covers the faulting address.
*/
P1.L = (DCPLB_DATA15 & 0xFFFF);
P1.H = (DCPLB_DATA15 >> 16);
P4.L = (DCPLB_FAULT_ADDR & 0xFFFF);
P4.H = (DCPLB_FAULT_ADDR >> 16);
R4 = [P4];
I0 = R4;
/* The replacement procedure for DCPLBs*/
R6 = R1; /* Save for later*/
/* Turn off CPLBs while we work.*/
P4.L = (DMEM_CONTROL & 0xFFFF);
P4.H = (DMEM_CONTROL >> 16);
R5 = [P4];
BITCLR(R5,ENDCPLB_P);
CLI R0;
SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */
.align 8;
[P4] = R5;
SSYNC;
STI R0;
/* Start looking for a CPLB to evict. Our order of preference
* is: invalid CPLBs, clean CPLBs, dirty CPLBs. Locked CPLBs
* are no good.
*/
I1.L = (DCPLB_DATA0 & 0xFFFF);
I1.H = (DCPLB_DATA0 >> 16);
P1 = 3;
P2 = 16;
I2.L = dcplb_preference;
I2.H = dcplb_preference;
LSETUP(sdsearch1, edsearch1) LC0 = P1;
sdsearch1:
R0 = [I2++]; /* Get the bits we're interested in*/
P0 = I1; /* Go back to start of table*/
LSETUP (sdsearch2, edsearch2) LC1 = P2;
sdsearch2:
R1 = [P0++]; /* Fetch each installed CPLB in turn*/
R2 = R1 & R0; /* and test for interesting bits.*/
CC = R2 == 0; /* If none are set, it'll do.*/
IF !CC JUMP skip_stack_check;
R2 = [P0 - 0x104]; /* R2 - PageStart */
P3.L = page_size_table; /* retrive end address */
P3.H = page_size_table; /* retrive end address */
R3 = 0x2; /* 0th - position, 2 bits -length */
nop; /*Anamoly 05000209*/
R7 = EXTRACT(R1,R3.l);
R7 = R7 << 2; /* Page size index offset */
P5 = R7;
P3 = P3 + P5;
R7 = [P3]; /* page size in 1K bytes */
R7 = R7 << 0xA; /* in bytes * 1024*/
R7 = R2 + R7; /* R7 - PageEnd */
R4 = SP; /* Test SP is in range */
CC = R7 < R4; /* if PageEnd < SP */
IF CC JUMP dfound_victim;
R3 = 0x284; /* stack length from start of trap till the point */
/* 20 stack locations for future modifications */
R4 = R4 + R3;
CC = R4 < R2; /* if SP + stacklen < PageStart */
IF CC JUMP dfound_victim;
skip_stack_check:
edsearch2: NOP;
edsearch1: NOP;
/* If we got here, we didn't find a DCPLB we considered
* replacable, which means all of them were locked.
*/
JUMP all_locked;
dfound_victim:
#ifdef CONFIG_CPLB_INFO
R1 = [P0 - 0x104];
P2.L = dpdt_table;
P2.H = dpdt_table;
P3.L = dpdt_swapcount_table;
P3.H = dpdt_swapcount_table;
P3 += -4;
dicount:
R2 = [P2];
P2 += 8;
P3 += 8;
CC = R2==-1;
IF CC JUMP dicount_done;
CC = R1==R2;
IF !CC JUMP dicount;
R1 = [P3];
R1 += 1;
[P3] = R1;
CSYNC;
dicount_done:
#endif
/* Clean down the hardware loops*/
R2 = 0;
LC1 = R2;
LC0 = R2;
/* There's a suitable victim in [P0-4] (because we've
* advanced already). If it's a valid dirty write-back
* CPLB, we need to flush the pending writes first.
*/
CC = BITTST(R1, 0); /* Is it valid?*/
IF !CC JUMP Ddoverwrite;/* nope.*/
CC = BITTST(R1, 7); /* Is it dirty?*/
IF !CC JUMP Ddoverwrite (BP); /* Nope.*/
CC = BITTST(R1, 14); /* Is it Write-Through?*/
IF CC JUMP Ddoverwrite; /* Yep*/
/* This is a dirty page, so we need to flush all writes
* that are pending on the page.
*/
/* Retrieve the page start address*/
R0 = [P0 - 0x104];
[--sp] = rets;
CALL dcplb_flush; /* R0==CPLB addr, R1==CPLB data*/
rets = [sp++];
Ddoverwrite:
/* [P0-4] is a suitable victim CPLB, so we want to
* overwrite it by moving all the following CPLBs
* one space closer to the start.
*/
R1.L = ((DCPLB_DATA15+4) & 0xFFFF); /*DCPLB_DATA15+4*/
R1.H = ((DCPLB_DATA15+4) >> 16);
R0 = P0;
/* If the victim happens to be in DCPLB15,
* we don't need to move anything.
*/
CC = R1 == R0;
IF CC JUMP de_moved;
R1 = R1 - R0;
R1 >>= 2;
P1 = R1;
LSETUP(ds_move, de_move) LC0=P1;
ds_move:
R0 = [P0++]; /* move data */
[P0 - 8] = R0;
R0 = [P0-0x104] /* move address */
de_move: [P0-0x108] = R0;
/* We've now made space in DCPLB15 for the new CPLB to be
* installed. The next stage is to locate a CPLB in the
* config table that covers the faulting address.
*/
de_moved:NOP;
R0 = I0; /* Our faulting address */
P2.L = dpdt_table;
P2.H = dpdt_table;
#ifdef CONFIG_CPLB_INFO
P3.L = dpdt_swapcount_table;
P3.H = dpdt_swapcount_table;
P3 += -8;
#endif
P1.L = page_size_table;
P1.H = page_size_table;
/* An extraction pattern, to retrieve bits 17:16.*/
R1 = (16<<8)|2;
dnext: R4 = [P2++]; /* address */
R2 = [P2++]; /* data */
#ifdef CONFIG_CPLB_INFO
P3 += 8;
#endif
CC = R4 == -1;
IF CC JUMP no_page_in_table;
/* See if failed address > start address */
CC = R4 <= R0(IU);
IF !CC JUMP dnext;
/* extract page size (17:16)*/
R3 = EXTRACT(R2, R1.L) (Z);
/* add page size to addr to get range */
P5 = R3;
P5 = P1 + (P5 << 2);
R3 = [P5];
R3 = R3 + R4;
/* See if failed address < (start address + page size) */
CC = R0 < R3(IU);
IF !CC JUMP dnext;
/* We've found the CPLB that should be installed, so
* write it into CPLB15, masking off any caching bits
* if necessary.
*/
P1.L = (DCPLB_DATA15 & 0xFFFF);
P1.H = (DCPLB_DATA15 >> 16);
/* If the DCPLB has cache bits set, but caching hasn't
* been enabled, then we want to mask off the cache-in-L1
* bit before installing. Moreover, if caching is off, we
* also want to ensure that the DCPLB has WT mode set, rather
* than WB, since WB pages still trigger first-write exceptions
* even when not caching is off, and the page isn't marked as
* cachable. Finally, we could mark the page as clean, not dirty,
* but we choose to leave that decision to the user; if the user
* chooses to have a CPLB pre-defined as dirty, then they always
* pay the cost of flushing during eviction, but don't pay the
* cost of first-write exceptions to mark the page as dirty.
*/
#ifdef CONFIG_BLKFIN_WT
BITSET(R6, 14); /* Set WT*/
#endif
[P1] = R2;
[P1-0x100] = R4;
#ifdef CONFIG_CPLB_INFO
R3 = [P3];
R3 += 1;
[P3] = R3;
#endif
/* We've installed the CPLB, so re-enable CPLBs. P4
* points to DMEM_CONTROL, and R5 is the value we
* last wrote to it, when we were disabling CPLBs.
*/
BITSET(R5,ENDCPLB_P);
CLI R2;
.align 8;
[P4] = R5;
SSYNC;
STI R2;
( R7:0,P5:0 ) = [SP++];
R0 = CPLB_RELOADED;
RTS;
.data
.align 4;
page_size_table:
.byte4 0x00000400; /* 1K */
.byte4 0x00001000; /* 4K */
.byte4 0x00100000; /* 1M */
.byte4 0x00400000; /* 4M */
.align 4;
dcplb_preference:
.byte4 0x00000001; /* valid bit */
.byte4 0x00000082; /* dirty+lock bits */
.byte4 0x00000002; /* lock bit */

214
cpu/bf533/cpu.c
View File

@ -29,72 +29,28 @@
#include <asm/blackfin.h>
#include <command.h>
#include <asm/entry.h>
#include <asm/cplb.h>
#define SSYNC() asm("ssync;")
#define CACHE_ON 1
#define CACHE_OFF 0
/* Data Attibutes*/
extern unsigned int icplb_table[page_descriptor_table_size][2];
extern unsigned int dcplb_table[page_descriptor_table_size][2];
#define SDRAM_IGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
#define SDRAM_IKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define L1_IMEMORY (PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define SDRAM_INON_CHBL (PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
#define ANOMALY_05000158 0x200
#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
#define L1_DMEMORY (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_L1_AOW | CPLB_WT | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_EBIU (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
static unsigned int icplb_table[16][2]={
{0xFFA00000, L1_IMEMORY},
{0x00000000, SDRAM_IKERNEL}, /*SDRAM_Page1*/
{0x00400000, SDRAM_IKERNEL}, /*SDRAM_Page1*/
{0x07C00000, SDRAM_IKERNEL}, /*SDRAM_Page14*/
{0x00800000, SDRAM_IGENERIC}, /*SDRAM_Page2*/
{0x00C00000, SDRAM_IGENERIC}, /*SDRAM_Page2*/
{0x01000000, SDRAM_IGENERIC}, /*SDRAM_Page4*/
{0x01400000, SDRAM_IGENERIC}, /*SDRAM_Page5*/
{0x01800000, SDRAM_IGENERIC}, /*SDRAM_Page6*/
{0x01C00000, SDRAM_IGENERIC}, /*SDRAM_Page7*/
{0x02000000, SDRAM_IGENERIC}, /*SDRAM_Page8*/
{0x02400000, SDRAM_IGENERIC}, /*SDRAM_Page9*/
{0x02800000, SDRAM_IGENERIC}, /*SDRAM_Page10*/
{0x02C00000, SDRAM_IGENERIC}, /*SDRAM_Page11*/
{0x03000000, SDRAM_IGENERIC}, /*SDRAM_Page12*/
{0x03400000, SDRAM_IGENERIC}, /*SDRAM_Page13*/
};
static unsigned int dcplb_table[16][2]={
{0xFFA00000,L1_DMEMORY},
{0x00000000,SDRAM_DKERNEL}, /*SDRAM_Page1*/
{0x00400000,SDRAM_DKERNEL}, /*SDRAM_Page1*/
{0x07C00000,SDRAM_DKERNEL}, /*SDRAM_Page15*/
{0x00800000,SDRAM_DGENERIC}, /*SDRAM_Page2*/
{0x00C00000,SDRAM_DGENERIC}, /*SDRAM_Page3*/
{0x01000000,SDRAM_DGENERIC}, /*SDRAM_Page4*/
{0x01400000,SDRAM_DGENERIC}, /*SDRAM_Page5*/
{0x01800000,SDRAM_DGENERIC}, /*SDRAM_Page6*/
{0x01C00000,SDRAM_DGENERIC}, /*SDRAM_Page7*/
{0x02000000,SDRAM_DGENERIC}, /*SDRAM_Page8*/
{0x02400000,SDRAM_DGENERIC}, /*SDRAM_Page9*/
{0x02800000,SDRAM_DGENERIC}, /*SDRAM_Page10*/
{0x02C00000,SDRAM_DGENERIC}, /*SDRAM_Page11*/
{0x03000000,SDRAM_DGENERIC}, /*SDRAM_Page12*/
{0x20000000,SDRAM_EBIU}, /*For Network */
};
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
#ifdef DEBUG
#define pr_debug(fmt,arg...) printf(fmt,##arg)
#else
static inline int
__attribute__ ((format(printf, 1, 2))) pr_debug(const char *fmt, ...)
{
__asm__ __volatile__
("cli r3;"
"P0 = %0;"
"JUMP (P0);"
:
: "r" (L1_ISRAM)
);
return 0;
}
#endif
int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
__asm__ __volatile__("cli r3;" "P0 = %0;" "JUMP (P0);"::"r"(L1_ISRAM)
);
return 0;
}
@ -112,29 +68,70 @@ int cleanup_before_linux(void)
void icache_enable(void)
{
unsigned int *I0,*I1;
int i;
unsigned int *I0, *I1;
int i, j = 0;
#ifdef __ADSPBF537__
if ((*pCHIPID >> 28) < 2)
return;
#endif
/* Before enable icache, disable it first */
icache_disable();
I0 = (unsigned int *)ICPLB_ADDR0;
I1 = (unsigned int *)ICPLB_DATA0;
for(i=0;i<16;i++){
*I0++ = icplb_table[i][0];
*I1++ = icplb_table[i][1];
/* make sure the locked ones go in first */
for (i = 0; i < page_descriptor_table_size; i++) {
if (CPLB_LOCK & icplb_table[i][1]) {
pr_debug("adding %02i %02i 0x%08x 0x%08x\n", i, j,
icplb_table[i][0], icplb_table[i][1]);
*I0++ = icplb_table[i][0];
*I1++ = icplb_table[i][1];
j++;
}
}
for (i = 0; i < page_descriptor_table_size; i++) {
if (!(CPLB_LOCK & icplb_table[i][1])) {
pr_debug("adding %02i %02i 0x%08x 0x%08x\n", i, j,
icplb_table[i][0], icplb_table[i][1]);
*I0++ = icplb_table[i][0];
*I1++ = icplb_table[i][1];
j++;
if (j == 16) {
break;
}
}
}
/* Fill the rest with invalid entry */
if (j <= 15) {
for (; j <= 16; j++) {
pr_debug("filling %i with 0", j);
*I1++ = 0x0;
}
}
cli();
SSYNC();
__builtin_bfin_ssync();
asm(" .align 8; ");
*(unsigned int *)IMEM_CONTROL = IMC | ENICPLB;
SSYNC();
__builtin_bfin_ssync();
sti();
}
void icache_disable(void)
{
#ifdef __ADSPBF537__
if ((*pCHIPID >> 28) < 2)
return;
#endif
cli();
SSYNC();
__builtin_bfin_ssync();
asm(" .align 8; ");
*(unsigned int *)IMEM_CONTROL &= ~(IMC | ENICPLB);
SSYNC();
__builtin_bfin_ssync();
sti();
}
@ -143,7 +140,7 @@ int icache_status(void)
unsigned int value;
value = *(unsigned int *)IMEM_CONTROL;
if( value & (IMC|ENICPLB) )
if (value & (IMC | ENICPLB))
return CACHE_ON;
else
return CACHE_OFF;
@ -151,38 +148,91 @@ int icache_status(void)
void dcache_enable(void)
{
unsigned int *I0,*I1;
unsigned int *I0, *I1;
unsigned int temp;
int i;
int i, j = 0;
/* Before enable dcache, disable it first */
dcache_disable();
I0 = (unsigned int *)DCPLB_ADDR0;
I1 = (unsigned int *)DCPLB_DATA0;
for(i=0;i<16;i++){
*I0++ = dcplb_table[i][0];
*I1++ = dcplb_table[i][1];
/* make sure the locked ones go in first */
for (i = 0; i < page_descriptor_table_size; i++) {
if (CPLB_LOCK & dcplb_table[i][1]) {
pr_debug("adding %02i %02i 0x%08x 0x%08x\n", i, j,
dcplb_table[i][0], dcplb_table[i][1]);
*I0++ = dcplb_table[i][0];
*I1++ = dcplb_table[i][1];
j++;
} else {
pr_debug("skip %02i %02i 0x%08x 0x%08x\n", i, j,
dcplb_table[i][0], dcplb_table[i][1]);
}
}
for (i = 0; i < page_descriptor_table_size; i++) {
if (!(CPLB_LOCK & dcplb_table[i][1])) {
pr_debug("adding %02i %02i 0x%08x 0x%08x\n", i, j,
dcplb_table[i][0], dcplb_table[i][1]);
*I0++ = dcplb_table[i][0];
*I1++ = dcplb_table[i][1];
j++;
if (j == 16) {
break;
}
}
}
/* Fill the rest with invalid entry */
if (j <= 15) {
for (; j <= 16; j++) {
pr_debug("filling %i with 0", j);
*I1++ = 0x0;
}
}
cli();
temp = *(unsigned int *)DMEM_CONTROL;
SSYNC();
*(unsigned int *)DMEM_CONTROL = ACACHE_BCACHE |ENDCPLB |PORT_PREF0|temp;
SSYNC();
__builtin_bfin_ssync();
asm(" .align 8; ");
*(unsigned int *)DMEM_CONTROL =
ACACHE_BCACHE | ENDCPLB | PORT_PREF0 | temp;
__builtin_bfin_ssync();
sti();
}
void dcache_disable(void)
{
unsigned int *I0, *I1;
int i;
cli();
SSYNC();
*(unsigned int *)DMEM_CONTROL &= ~(ACACHE_BCACHE |ENDCPLB |PORT_PREF0);
SSYNC();
__builtin_bfin_ssync();
asm(" .align 8; ");
*(unsigned int *)DMEM_CONTROL &=
~(ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
__builtin_bfin_ssync();
sti();
/* after disable dcache,
* clear it so we don't confuse the next application
*/
I0 = (unsigned int *)DCPLB_ADDR0;
I1 = (unsigned int *)DCPLB_DATA0;
for (i = 0; i < 16; i++) {
*I0++ = 0x0;
*I1++ = 0x0;
}
}
int dcache_status(void)
{
unsigned int value;
value = *(unsigned int *)DMEM_CONTROL;
if( value & (ENDCPLB))
if (value & (ENDCPLB))
return CACHE_ON;
else
return CACHE_OFF;

15
cpu/bf533/cpu.h
View File

@ -32,8 +32,8 @@
#define DEF_INTERRUPT_FLAGS 1
#define MAX_TIM_LOAD 0xFFFFFFFF
void blackfin_irq_panic(int reason, struct pt_regs * reg);
extern void dump(struct pt_regs * regs);
void blackfin_irq_panic(int reason, struct pt_regs *reg);
extern void dump(struct pt_regs *regs);
void display_excp(void);
asmlinkage void evt_nmi(void);
asmlinkage void evt_exception(void);
@ -50,16 +50,17 @@ asmlinkage void evt_evt12(void);
asmlinkage void evt_evt13(void);
asmlinkage void evt_soft_int1(void);
asmlinkage void evt_system_call(void);
void blackfin_irq_panic(int reason, struct pt_regs * regs);
void blackfin_irq_panic(int reason, struct pt_regs *regs);
void blackfin_free_irq(unsigned int irq, void *dev_id);
void call_isr(int irq, struct pt_regs * fp);
void call_isr(int irq, struct pt_regs *fp);
void blackfin_do_irq(int vec, struct pt_regs *fp);
void blackfin_init_IRQ(void);
void blackfin_enable_irq(unsigned int irq);
void blackfin_disable_irq(unsigned int irq);
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
extern int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
int blackfin_request_irq(unsigned int irq,
void (*handler)(int, void *, struct pt_regs *),
unsigned long flags,const char *devname,void *dev_id);
void (*handler) (int, void *, struct pt_regs *),
unsigned long flags, const char *devname,
void *dev_id);
void timer_init(void);
#endif

57
cpu/bf533/flush.S
View File

@ -3,13 +3,12 @@
*
* This file is subject to the terms and conditions of the GNU General Public
* License.
*
* Blackfin BF533/2.6 support : LG Soft India
*/
#define ASSEMBLY
#include <asm/linkage.h>
#include <asm/cplb.h>
#include <config.h>
#include <asm/blackfin.h>
.text
@ -20,7 +19,7 @@
* in the instruction cache.
*/
ENTRY(flush_instruction_cache)
ENTRY(_flush_instruction_cache)
[--SP] = ( R7:6, P5:4 );
LINK 12;
SP += -12;
@ -33,7 +32,7 @@ ENTRY(flush_instruction_cache)
inext: R0 = [P5++];
R1 = [P4++];
[--SP] = RETS;
CALL icplb_flush; /* R0 = page, R1 = data*/
CALL _icplb_flush; /* R0 = page, R1 = data*/
RETS = [SP++];
iskip: R6 += -1;
CC = R6;
@ -52,7 +51,7 @@ iskip: R6 += -1;
*/
.align 2
ENTRY(icplb_flush)
ENTRY(_icplb_flush)
[--SP] = ( R7:0, P5:0 );
[--SP] = LC0;
[--SP] = LT0;
@ -60,7 +59,7 @@ ENTRY(icplb_flush)
[--SP] = LC1;
[--SP] = LT1;
[--SP] = LB1;
/* If it's a 1K or 4K page, then it's quickest to
* just systematically flush all the addresses in
* the page, regardless of whether they're in the
@ -86,11 +85,12 @@ ENTRY(icplb_flush)
*/
R3 = ((12<<8)|2); /* Extraction pattern */
nop; /*Anamoly 05000209*/
R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits*/
R3.H = R4.L << 0 ; /* Save in extraction pattern for later deposit.*/
nop; /* Anamoly 05000209 */
R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits */
/* Save in extraction pattern for later deposit. */
R3.H = R4.L << 0;
/* So:
* R0 = Page start
* R1 = Page length (actually, offset into size/prefix tables)
@ -101,7 +101,7 @@ ENTRY(icplb_flush)
* sub-bank, looking for dirty, valid tags that match our
* address prefix.
*/
P5.L = (ITEST_COMMAND & 0xFFFF);
P5.H = (ITEST_COMMAND >> 16);
P4.L = (ITEST_DATA0 & 0xFFFF);
@ -119,7 +119,7 @@ ENTRY(icplb_flush)
* fetching tags, so we only have to set Set, Bank,
* Sub-bank and Way.
*/
P2 = 4;
LSETUP (ifs1, ife1) LC1 = P2;
ifs1: P0 = 32; /* iterate over all sets*/
@ -142,7 +142,7 @@ ifs0: R6 = R5 << 5; /* Combine set*/
IF !CC JUMP ifskip; /* Skip it if it doesn't match.*/
/* Tag address matches against page, so this is an entry
* we must flush.
* we must flush.
*/
R7 >>= 10; /* Mask off the non-address bits*/
@ -181,17 +181,17 @@ iflush_whole_page:
IFLUSH [P0++]; /* because CSYNC can't end loops.*/
LSETUP (isall, ieall) LC0 = P1;
isall:IFLUSH [P0++];
ieall: NOP;
ieall: NOP;
SSYNC;
JUMP ifinished;
/* This is an external function being called by the user
/* This is an external function being called by the user
* application through __flush_cache_all. Currently this function
* serves the purpose of flushing all the pending writes in
* in the data cache.
*/
ENTRY(flush_data_cache)
ENTRY(_flush_data_cache)
[--SP] = ( R7:6, P5:4 );
LINK 12;
SP += -12;
@ -209,7 +209,7 @@ next: R0 = [P5++];
CC = R2;
IF !CC JUMP skip; /* If not, ignore it.*/
[--SP] = RETS;
CALL dcplb_flush; /* R0 = page, R1 = data*/
CALL _dcplb_flush; /* R0 = page, R1 = data*/
RETS = [SP++];
skip: R6 += -1;
CC = R6;
@ -222,13 +222,13 @@ skip: R6 += -1;
/* This is an internal function to flush all pending
* writes in the cache associated with a particular DCPLB.
*
*
* R0 - page's start address
* R1 - CPLB's data field.
*/
.align 2
ENTRY(dcplb_flush)
ENTRY(_dcplb_flush)
[--SP] = ( R7:0, P5:0 );
[--SP] = LC0;
[--SP] = LT0;
@ -236,7 +236,7 @@ ENTRY(dcplb_flush)
[--SP] = LC1;
[--SP] = LT1;
[--SP] = LB1;
/* If it's a 1K or 4K page, then it's quickest to
* just systematically flush all the addresses in
* the page, regardless of whether they're in the
@ -250,9 +250,9 @@ ENTRY(dcplb_flush)
/* We're only interested in the page's size, so extract
* this from the CPLB (bits 17:16), and scale to give an
* offset into the page_size and page_prefix tables.
* offset into the page_size and page_prefix tables.
*/
R1 <<= 14;
R1 >>= 30;
R1 <<= 2;
@ -260,9 +260,9 @@ ENTRY(dcplb_flush)
/* The page could be mapped into Bank A or Bank B, depending
* on (a) whether both banks are configured as cache, and
* (b) on whether address bit A[x] is set. x is determined
* by DCBS in DMEM_CONTROL
* by DCBS in DMEM_CONTROL
*/
R2 = 0; /* Default to Bank A (Bank B would be 1)*/
P0.L = (DMEM_CONTROL & 0xFFFF);
@ -290,7 +290,8 @@ bank_chosen:
R3 = ((12<<8)|2); /* Extraction pattern */
nop; /*Anamoly 05000209*/
R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits*/
R3.H = R4.L << 0 ; /* Save in extraction pattern for later deposit.*/
/* Save in extraction pattern for later deposit.*/
R3.H = R4.L << 0;
/* So:
* R0 = Page start
@ -303,7 +304,7 @@ bank_chosen:
* sub-bank, looking for dirty, valid tags that match our
* address prefix.
*/
P5.L = (DTEST_COMMAND & 0xFFFF);
P5.H = (DTEST_COMMAND >> 16);
P4.L = (DTEST_DATA0 & 0xFFFF);
@ -322,7 +323,7 @@ bank_chosen:
* fetching tags, so we only have to set Set, Bank,
* Sub-bank and Way.
*/
P2 = 2;
LSETUP (fs1, fe1) LC1 = P2;
fs1: P0 = 64; /* iterate over all sets*/
@ -386,7 +387,7 @@ dflush_whole_page:
CC = BITTST(R1, 16); /* Whether 1K or 4K*/
IF CC P1 = P2;
P1 += -1; /* Unroll one iteration*/
SSYNC;
SSYNC;
FLUSHINV [P0++]; /* because CSYNC can't end loops.*/
LSETUP (eall, eall) LC0 = P1;
eall: FLUSHINV [P0++];

180
cpu/bf533/init_sdram.S Normal file
View File

@ -0,0 +1,180 @@
#define ASSEMBLY
#include <linux/config.h>
#include <config.h>
#include <asm/blackfin.h>
#include <asm/mem_init.h>
.global init_sdram;
#if (CONFIG_CCLK_DIV == 1)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV1
#endif
#if (CONFIG_CCLK_DIV == 2)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV2
#endif
#if (CONFIG_CCLK_DIV == 4)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV4
#endif
#if (CONFIG_CCLK_DIV == 8)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV8
#endif
#ifndef CONFIG_CCLK_ACT_DIV
#define CONFIG_CCLK_ACT_DIV CONFIG_CCLK_DIV_not_defined_properly
#endif
init_sdram:
[--SP] = ASTAT;
[--SP] = RETS;
[--SP] = (R7:0);
[--SP] = (P5:0);
#if (BFIN_BOOT_MODE == BF533_SPI_BOOT)
p0.h = hi(SPI_BAUD);
p0.l = lo(SPI_BAUD);
r0.l = CONFIG_SPI_BAUD;
w[p0] = r0.l;
SSYNC;
#endif
/*
* PLL_LOCKCNT - how many SCLK Cycles to delay while PLL becomes stable
*/
p0.h = hi(PLL_LOCKCNT);
p0.l = lo(PLL_LOCKCNT);
r0 = 0x300(Z);
w[p0] = r0.l;
ssync;
/*
* Put SDRAM in self-refresh, incase anything is running
*/
P2.H = hi(EBIU_SDGCTL);
P2.L = lo(EBIU_SDGCTL);
R0 = [P2];
BITSET (R0, 24);
[P2] = R0;
SSYNC;
/*
* Set PLL_CTL with the value that we calculate in R0
* - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors
* - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK
* - [7] = output delay (add 200ps of delay to mem signals)
* - [6] = input delay (add 200ps of input delay to mem signals)
* - [5] = PDWN : 1=All Clocks off
* - [3] = STOPCK : 1=Core Clock off
* - [1] = PLL_OFF : 1=Disable Power to PLL
* - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL
* all other bits set to zero
*/
r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */
r0 = r0 << 9; /* Shift it over, */
r1 = CONFIG_CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/
r0 = r1 | r0;
r1 = CONFIG_PLL_BYPASS; /* Bypass the PLL? */
r1 = r1 << 8; /* Shift it over */
r0 = r1 | r0; /* add them all together */
p0.h = hi(PLL_CTL);
p0.l = lo(PLL_CTL); /* Load the address */
cli r2; /* Disable interrupts */
ssync;
w[p0] = r0.l; /* Set the value */
idle; /* Wait for the PLL to stablize */
sti r2; /* Enable interrupts */
check_again:
p0.h = hi(PLL_STAT);
p0.l = lo(PLL_STAT);
R0 = W[P0](Z);
CC = BITTST(R0,5);
if ! CC jump check_again;
/* Configure SCLK & CCLK Dividers */
r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);
p0.h = hi(PLL_DIV);
p0.l = lo(PLL_DIV);
w[p0] = r0.l;
ssync;
/*
* We now are running at speed, time to set the Async mem bank wait states
* This will speed up execution, since we are normally running from FLASH.
*/
p2.h = (EBIU_AMBCTL1 >> 16);
p2.l = (EBIU_AMBCTL1 & 0xFFFF);
r0.h = (AMBCTL1VAL >> 16);
r0.l = (AMBCTL1VAL & 0xFFFF);
[p2] = r0;
ssync;
p2.h = (EBIU_AMBCTL0 >> 16);
p2.l = (EBIU_AMBCTL0 & 0xFFFF);
r0.h = (AMBCTL0VAL >> 16);
r0.l = (AMBCTL0VAL & 0xFFFF);
[p2] = r0;
ssync;
p2.h = (EBIU_AMGCTL >> 16);
p2.l = (EBIU_AMGCTL & 0xffff);
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;
/*
* Now, Initialize the SDRAM,
* start with the SDRAM Refresh Rate Control Register
*/
p0.l = lo(EBIU_SDRRC);
p0.h = hi(EBIU_SDRRC);
r0 = mem_SDRRC;
w[p0] = r0.l;
ssync;
/*
* SDRAM Memory Bank Control Register - bank specific parameters
*/
p0.l = (EBIU_SDBCTL & 0xFFFF);
p0.h = (EBIU_SDBCTL >> 16);
r0 = mem_SDBCTL;
w[p0] = r0.l;
ssync;
/*
* SDRAM Global Control Register - global programmable parameters
* Disable self-refresh
*/
P2.H = hi(EBIU_SDGCTL);
P2.L = lo(EBIU_SDGCTL);
R0 = [P2];
BITCLR (R0, 24);
/*
* Check if SDRAM is already powered up, if it is, enable self-refresh
*/
p0.h = hi(EBIU_SDSTAT);
p0.l = lo(EBIU_SDSTAT);
r2.l = w[p0];
cc = bittst(r2,3);
if !cc jump skip;
NOP;
BITSET (R0, 23);
skip:
[P2] = R0;
SSYNC;
/* Write in the new value in the register */
R0.L = lo(mem_SDGCTL);
R0.H = hi(mem_SDGCTL);
[P2] = R0;
SSYNC;
nop;
(P5:0) = [SP++];
(R7:0) = [SP++];
RETS = [SP++];
ASTAT = [SP++];
RTS;

181
cpu/bf533/init_sdram_bootrom_initblock.S Normal file
View File

@ -0,0 +1,181 @@
#define ASSEMBLY
#include <linux/config.h>
#include <config.h>
#include <asm/blackfin.h>
#include <asm/mem_init.h>
.global init_sdram;
#if (CONFIG_CCLK_DIV == 1)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV1
#endif
#if (CONFIG_CCLK_DIV == 2)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV2
#endif
#if (CONFIG_CCLK_DIV == 4)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV4
#endif
#if (CONFIG_CCLK_DIV == 8)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV8
#endif
#ifndef CONFIG_CCLK_ACT_DIV
#define CONFIG_CCLK_ACT_DIV CONFIG_CCLK_DIV_not_defined_properly
#endif
init_sdram:
[--SP] = ASTAT;
[--SP] = RETS;
[--SP] = (R7:0);
[--SP] = (P5:0);
#if (BFIN_BOOT_MODE == BF533_SPI_BOOT)
p0.h = hi(SPI_BAUD);
p0.l = lo(SPI_BAUD);
r0.l = CONFIG_SPI_BAUD_INITBLOCK;
w[p0] = r0.l;
SSYNC;
#endif
/*
* PLL_LOCKCNT - how many SCLK Cycles to delay while PLL becomes stable
*/
p0.h = hi(PLL_LOCKCNT);
p0.l = lo(PLL_LOCKCNT);
r0 = 0x300(Z);
w[p0] = r0.l;
ssync;
/*
* Put SDRAM in self-refresh, incase anything is running
*/
P2.H = hi(EBIU_SDGCTL);
P2.L = lo(EBIU_SDGCTL);
R0 = [P2];
BITSET (R0, 24);
[P2] = R0;
SSYNC;
/*
* Set PLL_CTL with the value that we calculate in R0
* - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors
* - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK
* - [7] = output delay (add 200ps of delay to mem signals)
* - [6] = input delay (add 200ps of input delay to mem signals)
* - [5] = PDWN : 1=All Clocks off
* - [3] = STOPCK : 1=Core Clock off
* - [1] = PLL_OFF : 1=Disable Power to PLL
* - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL
* all other bits set to zero
*/
r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */
r0 = r0 << 9; /* Shift it over, */
r1 = CONFIG_CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/
r0 = r1 | r0;
r1 = CONFIG_PLL_BYPASS; /* Bypass the PLL? */
r1 = r1 << 8; /* Shift it over */
r0 = r1 | r0; /* add them all together */
p0.h = hi(PLL_CTL);
p0.l = lo(PLL_CTL); /* Load the address */
cli r2; /* Disable interrupts */
ssync;
w[p0] = r0.l; /* Set the value */
idle; /* Wait for the PLL to stablize */
sti r2; /* Enable interrupts */
check_again:
p0.h = hi(PLL_STAT);
p0.l = lo(PLL_STAT);
R0 = W[P0](Z);
CC = BITTST(R0,5);
if ! CC jump check_again;
/* Configure SCLK & CCLK Dividers */
r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);
p0.h = hi(PLL_DIV);
p0.l = lo(PLL_DIV);
w[p0] = r0.l;
ssync;
/*
* We now are running at speed, time to set the Async mem bank wait states
* This will speed up execution, since we are normally running from FLASH.
*/
p2.h = (EBIU_AMBCTL1 >> 16);
p2.l = (EBIU_AMBCTL1 & 0xFFFF);
r0.h = (AMBCTL1VAL >> 16);
r0.l = (AMBCTL1VAL & 0xFFFF);
[p2] = r0;
ssync;
p2.h = (EBIU_AMBCTL0 >> 16);
p2.l = (EBIU_AMBCTL0 & 0xFFFF);
r0.h = (AMBCTL0VAL >> 16);
r0.l = (AMBCTL0VAL & 0xFFFF);
[p2] = r0;
ssync;
p2.h = (EBIU_AMGCTL >> 16);
p2.l = (EBIU_AMGCTL & 0xffff);
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;
/*
* Now, Initialize the SDRAM,
* start with the SDRAM Refresh Rate Control Register
*/
p0.l = lo(EBIU_SDRRC);
p0.h = hi(EBIU_SDRRC);
r0 = mem_SDRRC;
w[p0] = r0.l;
ssync;
/*
* SDRAM Memory Bank Control Register - bank specific parameters
*/
p0.l = (EBIU_SDBCTL & 0xFFFF);
p0.h = (EBIU_SDBCTL >> 16);
r0 = mem_SDBCTL;
w[p0] = r0.l;
ssync;
/*
* SDRAM Global Control Register - global programmable parameters
* Disable self-refresh
*/
P2.H = hi(EBIU_SDGCTL);
P2.L = lo(EBIU_SDGCTL);
R0 = [P2];
BITCLR (R0, 24);
/*
* Check if SDRAM is already powered up, if it is, enable self-refresh
*/
p0.h = hi(EBIU_SDSTAT);
p0.l = lo(EBIU_SDSTAT);
r2.l = w[p0];
cc = bittst(r2,3);
if !cc jump skip;
NOP;
BITSET (R0, 23);
skip:
[P2] = R0;
SSYNC;
/* Write in the new value in the register */
R0.L = lo(mem_SDGCTL);
R0.H = hi(mem_SDGCTL);
[P2] = R0;
SSYNC;
nop;
(P5:0) = [SP++];
(R7:0) = [SP++];
RETS = [SP++];
ASTAT = [SP++];
RTS;

255
cpu/bf533/interrupt.S
View File

@ -40,225 +40,80 @@
*/
#define ASSEMBLY
#include <config.h>
#include <asm/blackfin.h>
#include <asm/hw_irq.h>
#include <asm/entry.h>
#include <asm/blackfin_defs.h>
#include <asm/cpu/bf533_irq.h>
.global blackfin_irq_panic;
.global _blackfin_irq_panic;
.text
.align 2
#ifndef CONFIG_KGDB
.global evt_emulation
evt_emulation:
.global _evt_emulation
_evt_emulation:
SAVE_CONTEXT
r0 = IRQ_EMU;
r1 = seqstat;
sp += -12;
call blackfin_irq_panic;
call _blackfin_irq_panic;
sp += 12;
rte;
#endif
.global evt_nmi
evt_nmi:
.global _evt_nmi
_evt_nmi:
SAVE_CONTEXT
r0 = IRQ_NMI;
r1 = RETN;
sp += -12;
call blackfin_irq_panic;
call _blackfin_irq_panic;
sp += 12;
_evt_nmi_exit:
rtn;
.global trap
trap:
[--sp] = r0;
[--sp] = r1;
[--sp] = p0;
[--sp] = p1;
[--sp] = astat;
r0 = seqstat;
R0 <<= 26;
R0 >>= 26;
p0 = r0;
p1.l = EVTABLE;
p1.h = EVTABLE;
p0 = p1 + (p0 << 1);
r1 = W[p0] (Z);
p1 = r1;
jump (pc + p1);
.global _trap
_trap:
SAVE_ALL_SYS
r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
sp += -12;
call _trap_c
sp += 12;
RESTORE_ALL_SYS
rtx;
.global _EVENT1
_EVENT1:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT2
_EVENT2:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT3
_EVENT3:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT4
_EVENT4:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT5
_EVENT5:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT6
_EVENT6:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT7
_EVENT7:
RAISE 15;
JUMP.S _EXIT;
.global _EVENT8
_EVENT8:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT9
_EVENT9:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT10
_EVENT10:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT11
_EVENT11:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT12
_EVENT12:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT13
_EVENT13:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT14
_EVENT14:
/* RAISE 14; */
CALL _cplb_hdr;
JUMP.S _EXIT;
.global _EVENT19
_EVENT19:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT20
_EVENT20:
RAISE 14;
JUMP.S _EXIT;
.global _EVENT21
_EVENT21:
RAISE 14;
JUMP.S _EXIT;
.global _EXIT
_EXIT:
ASTAT = [sp++];
p1 = [sp++];
p0 = [sp++];
r1 = [sp++];
r0 = [sp++];
RTX;
EVTABLE:
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x0000;
.byte2 0x003E;
.byte2 0x0042;
.byte4 0x0000;
.byte4 0x0000;
.byte4 0x0000;
.byte4 0x0000;
.byte4 0x0000;
.byte4 0x0000;
.byte4 0x0000;
.byte2 0x0000;
.byte2 0x001E;
.byte2 0x0022;
.byte2 0x0032;
.byte2 0x002e;
.byte2 0x0002;
.byte2 0x0036;
.byte2 0x002A;
.byte2 0x001A;
.byte2 0x0016;
.byte2 0x000A;
.byte2 0x000E;
.byte2 0x0012;
.byte2 0x0006;
.byte2 0x0026;
.global evt_rst
evt_rst:
.global _evt_rst
_evt_rst:
SAVE_CONTEXT
r0 = IRQ_RST;
r1 = RETN;
sp += -12;
call do_reset;
call _do_reset;
sp += 12;
_evt_rst_exit:
rtn;
rtn;
irq_panic:
r0 = IRQ_EVX;
r1 = sp;
sp += -12;
call blackfin_irq_panic;
call _blackfin_irq_panic;
sp += 12;
.global evt_ivhw
evt_ivhw:
.global _evt_ivhw
_evt_ivhw:
SAVE_CONTEXT
RAISE 14;
_evt_ivhw_exit:
rti;
.global evt_timer
evt_timer:
.global _evt_timer
_evt_timer:
SAVE_CONTEXT
r0 = IRQ_CORETMR;
sp += -12;
@ -269,91 +124,91 @@ evt_timer:
rti;
nop;
.global evt_evt7
evt_evt7:
.global _evt_evt7
_evt_evt7:
SAVE_CONTEXT
r0 = 7;
sp += -12;
call process_int;
call _process_int;
sp += 12;
evt_evt7_exit:
RESTORE_CONTEXT
rti;
rti;
.global evt_evt8
evt_evt8:
.global _evt_evt8
_evt_evt8:
SAVE_CONTEXT
r0 = 8;
sp += -12;
call process_int;
call _process_int;
sp += 12;
evt_evt8_exit:
RESTORE_CONTEXT
rti;
.global evt_evt9
evt_evt9:
.global _evt_evt9
_evt_evt9:
SAVE_CONTEXT
r0 = 9;
sp += -12;
call process_int;
call _process_int;
sp += 12;
evt_evt9_exit:
RESTORE_CONTEXT
rti;
.global evt_evt10
evt_evt10:
.global _evt_evt10
_evt_evt10:
SAVE_CONTEXT
r0 = 10;
sp += -12;
call process_int;
call _process_int;
sp += 12;
evt_evt10_exit:
RESTORE_CONTEXT
rti;
.global evt_evt11
evt_evt11:
.global _evt_evt11
_evt_evt11:
SAVE_CONTEXT
r0 = 11;
sp += -12;
call process_int;
call _process_int;
sp += 12;
evt_evt11_exit:
RESTORE_CONTEXT
rti;
.global evt_evt12
evt_evt12:
.global _evt_evt12
_evt_evt12:
SAVE_CONTEXT
r0 = 12;
sp += -12;
call process_int;
call _process_int;
sp += 12;
evt_evt12_exit:
RESTORE_CONTEXT
rti;
.global evt_evt13
evt_evt13:
.global _evt_evt13
_evt_evt13:
SAVE_CONTEXT
r0 = 13;
sp += -12;
call process_int;
call _process_int;
sp += 12;
evt_evt13_exit:
RESTORE_CONTEXT
rti;
.global evt_system_call
evt_system_call:
.global _evt_system_call
_evt_system_call:
[--sp] = r0;
[--SP] = RETI;
r0 = [sp++];
@ -363,7 +218,7 @@ evt_system_call:
r0 = [SP++];
SAVE_CONTEXT
sp += -12;
call display_excp;
call _exception_handle;
sp += 12;
RESTORE_CONTEXT
RTI;
@ -371,8 +226,8 @@ evt_system_call:
evt_system_call_exit:
rti;
.global evt_soft_int1
evt_soft_int1:
.global _evt_soft_int1
_evt_soft_int1:
[--sp] = r0;
[--SP] = RETI;
r0 = [sp++];
@ -382,7 +237,7 @@ evt_soft_int1:
r0 = [SP++];
SAVE_CONTEXT
sp += -12;
call display_excp;
call _exception_handle;
sp += 12;
RESTORE_CONTEXT
RTI;

50
cpu/bf533/interrupts.c
View File

@ -10,7 +10,7 @@
* Copyright 2002 Arcturus Networks Inc. MaTed <mated@sympatico.ca>
* Copyright 2003 Metrowerks/Motorola
* Copyright 2003 Bas Vermeulen <bas@buyways.nl>,
* BuyWays B.V. (www.buyways.nl)
* BuyWays B.V. (www.buyways.nl)
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@ -37,14 +37,15 @@
#include <common.h>
#include <asm/machdep.h>
#include <asm/irq.h>
#include <asm/cpu/defBF533.h>
#include <config.h>
#include <asm/blackfin.h>
#include "cpu.h"
static ulong timestamp;
static ulong last_time;
static int int_flag;
int irq_flags; /* needed by asm-blackfin/system.h */
int irq_flags; /* needed by asm-blackfin/system.h */
/* Functions just to satisfy the linker */
@ -61,7 +62,7 @@ unsigned long long get_ticks(void)
* This function is derived from PowerPC code (timebase clock frequency).
* On BF533 it returns the number of timer ticks per second.
*/
ulong get_tbclk (void)
ulong get_tbclk(void)
{
ulong tbclk;
@ -91,22 +92,22 @@ void udelay(unsigned long usec)
unsigned long cclk;
cclk = (CONFIG_CCLK_HZ);
while ( usec > 1 ) {
/*
* how many clock ticks to delay?
* - request(in useconds) * clock_ticks(Hz) / useconds/second
*/
while (usec > 1) {
/*
* how many clock ticks to delay?
* - request(in useconds) * clock_ticks(Hz) / useconds/second
*/
if (usec < 1000) {
delay = (usec * (cclk/244)) >> 12 ;
delay = (usec * (cclk / 244)) >> 12;
usec = 0;
} else {
delay = (1000 * (cclk/244)) >> 12 ;
delay = (1000 * (cclk / 244)) >> 12;
usec -= 1000;
}
asm volatile (" %0 = CYCLES;": "=g"(start));
asm volatile (" %0 = CYCLES;":"=r" (start));
do {
asm volatile (" %0 = CYCLES; ": "=g"(stop));
asm volatile (" %0 = CYCLES; ":"=r" (stop));
} while (stop - start < delay);
}
@ -117,7 +118,7 @@ void timer_init(void)
{
*pTCNTL = 0x1;
*pTSCALE = 0x0;
*pTCOUNT = MAX_TIM_LOAD;
*pTCOUNT = MAX_TIM_LOAD;
*pTPERIOD = MAX_TIM_LOAD;
*pTCNTL = 0x7;
asm("CSYNC;");
@ -146,20 +147,23 @@ ulong get_timer(ulong base)
/* Number of clocks elapsed */
ulong clocks = (MAX_TIM_LOAD - (*pTCOUNT));
/* Find if the TCOUNT is reset
timestamp gives the number of times
TCOUNT got reset */
if(clocks < last_time)
/**
* Find if the TCOUNT is reset
* timestamp gives the number of times
* TCOUNT got reset
*/
if (clocks < last_time)
timestamp++;
last_time = clocks;
/* Get the number of milliseconds */
milisec = clocks/(CONFIG_CCLK_HZ / 1000);
milisec = clocks / (CONFIG_CCLK_HZ / 1000);
/* Find the number of millisonds
that got elapsed before this TCOUNT
cycle */
milisec += timestamp * (MAX_TIM_LOAD/(CONFIG_CCLK_HZ / 1000));
/**
* Find the number of millisonds
* that got elapsed before this TCOUNT cycle
*/
milisec += timestamp * (MAX_TIM_LOAD / (CONFIG_CCLK_HZ / 1000));
return (milisec - base);
}

80
cpu/bf533/ints.c
View File

@ -51,9 +51,9 @@
void blackfin_irq_panic(int reason, struct pt_regs *regs)
{
printf("\n\nException: IRQ 0x%x entered\n", reason);
printf("code=[0x%x], ", (unsigned int) (regs->seqstat & 0x3f));
printf("stack frame=0x%x, ", (unsigned int) regs);
printf("bad PC=0x%04x\n", (unsigned int) regs->pc);
printf("code=[0x%x], ", (unsigned int)(regs->seqstat & 0x3f));
printf("stack frame=0x%x, ", (unsigned int)regs);
printf("bad PC=0x%04x\n", (unsigned int)regs->pc);
dump(regs);
printf("Unhandled IRQ or exceptions!\n");
printf("Please reset the board \n");
@ -61,46 +61,56 @@ void blackfin_irq_panic(int reason, struct pt_regs *regs)
void blackfin_init_IRQ(void)
{
*(unsigned volatile long *) (SIC_IMASK) = SIC_UNMASK_ALL;
*(unsigned volatile long *)(SIC_IMASK) = SIC_UNMASK_ALL;
cli();
#ifndef CONFIG_KGDB
*(unsigned volatile long *) (EVT_EMULATION_ADDR) = 0x0;
*(unsigned volatile long *)(EVT_EMULATION_ADDR) = 0x0;
#endif
*(unsigned volatile long *) (EVT_NMI_ADDR) =
(unsigned volatile long) evt_nmi;
*(unsigned volatile long *) (EVT_EXCEPTION_ADDR) =
(unsigned volatile long) trap;
*(unsigned volatile long *) (EVT_HARDWARE_ERROR_ADDR) =
(unsigned volatile long) evt_ivhw;
*(unsigned volatile long *) (EVT_RESET_ADDR) =
(unsigned volatile long) evt_rst;
*(unsigned volatile long *) (EVT_TIMER_ADDR) =
(unsigned volatile long) evt_timer;
*(unsigned volatile long *) (EVT_IVG7_ADDR) =
(unsigned volatile long) evt_evt7;
*(unsigned volatile long *) (EVT_IVG8_ADDR) =
(unsigned volatile long) evt_evt8;
*(unsigned volatile long *) (EVT_IVG9_ADDR) =
(unsigned volatile long) evt_evt9;
*(unsigned volatile long *) (EVT_IVG10_ADDR) =
(unsigned volatile long) evt_evt10;
*(unsigned volatile long *) (EVT_IVG11_ADDR) =
(unsigned volatile long) evt_evt11;
*(unsigned volatile long *) (EVT_IVG12_ADDR) =
(unsigned volatile long) evt_evt12;
*(unsigned volatile long *) (EVT_IVG13_ADDR) =
(unsigned volatile long) evt_evt13;
*(unsigned volatile long *) (EVT_IVG14_ADDR) =
(unsigned volatile long) evt_system_call;
*(unsigned volatile long *) (EVT_IVG15_ADDR) =
(unsigned volatile long) evt_soft_int1;
*(volatile unsigned long *) ILAT = 0;
*(unsigned volatile long *)(EVT_NMI_ADDR) =
(unsigned volatile long)evt_nmi;
*(unsigned volatile long *)(EVT_EXCEPTION_ADDR) =
(unsigned volatile long)trap;
*(unsigned volatile long *)(EVT_HARDWARE_ERROR_ADDR) =
(unsigned volatile long)evt_ivhw;
*(unsigned volatile long *)(EVT_RESET_ADDR) =
(unsigned volatile long)evt_rst;
*(unsigned volatile long *)(EVT_TIMER_ADDR) =
(unsigned volatile long)evt_timer;
*(unsigned volatile long *)(EVT_IVG7_ADDR) =
(unsigned volatile long)evt_evt7;
*(unsigned volatile long *)(EVT_IVG8_ADDR) =
(unsigned volatile long)evt_evt8;
*(unsigned volatile long *)(EVT_IVG9_ADDR) =
(unsigned volatile long)evt_evt9;
*(unsigned volatile long *)(EVT_IVG10_ADDR) =
(unsigned volatile long)evt_evt10;
*(unsigned volatile long *)(EVT_IVG11_ADDR) =
(unsigned volatile long)evt_evt11;
*(unsigned volatile long *)(EVT_IVG12_ADDR) =
(unsigned volatile long)evt_evt12;
*(unsigned volatile long *)(EVT_IVG13_ADDR) =
(unsigned volatile long)evt_evt13;
*(unsigned volatile long *)(EVT_IVG14_ADDR) =
(unsigned volatile long)evt_system_call;
*(unsigned volatile long *)(EVT_IVG15_ADDR) =
(unsigned volatile long)evt_soft_int1;
*(volatile unsigned long *)ILAT = 0;
asm("csync;");
sti();
*(volatile unsigned long *) IMASK = 0xffbf;
*(volatile unsigned long *)IMASK = 0xffbf;
asm("csync;");
}
void exception_handle(void)
{
#if defined (CONFIG_PANIC_HANG)
display_excp();
#else
udelay(100000); /* allow messages to go out */
do_reset(NULL, 0, 0, NULL);
#endif
}
void display_excp(void)
{
printf("Exception!\n");

50
cpu/bf533/serial.c
View File

@ -51,22 +51,21 @@
#include <asm/uaccess.h>
#include "bf533_serial.h"
DECLARE_GLOBAL_DATA_PTR;
unsigned long pll_div_fact;
void calc_baud(void)
{
unsigned char i;
int temp;
int temp;
u_long sclk = get_sclk();
for(i = 0; i < sizeof(baud_table)/sizeof(int); i++) {
temp = CONFIG_SCLK_HZ/(baud_table[i]*8);
if ( temp && 0x1 == 1 ) {
for (i = 0; i < sizeof(baud_table) / sizeof(int); i++) {
temp = sclk / (baud_table[i] * 8);
if ((temp & 0x1) == 1) {
temp++;
}
temp = temp/2;
hw_baud_table[i].dl_high = (temp >> 8)& 0xFF;
temp = temp / 2;
hw_baud_table[i].dl_high = (temp >> 8) & 0xFF;
hw_baud_table[i].dl_low = (temp) & 0xFF;
}
}
@ -74,6 +73,7 @@ void calc_baud(void)
void serial_setbrg(void)
{
int i;
DECLARE_GLOBAL_DATA_PTR;
calc_baud();
@ -84,29 +84,29 @@ void serial_setbrg(void)
/* Enable UART */
*pUART_GCTL |= UART_GCTL_UCEN;
asm("ssync;");
__builtin_bfin_ssync();
/* Set DLAB in LCR to Access DLL and DLH */
ACCESS_LATCH;
asm("ssync;");
__builtin_bfin_ssync();
*pUART_DLL = hw_baud_table[i].dl_low;
asm("ssync;");
__builtin_bfin_ssync();
*pUART_DLH = hw_baud_table[i].dl_high;
asm("ssync;");
__builtin_bfin_ssync();
/* Clear DLAB in LCR to Access THR RBR IER */
ACCESS_PORT_IER;
asm("ssync;");
__builtin_bfin_ssync();
/* Enable ERBFI and ELSI interrupts
* to poll SIC_ISR register*/
* to poll SIC_ISR register*/
*pUART_IER = UART_IER_ELSI | UART_IER_ERBFI | UART_IER_ETBEI;
asm("ssync;");
__builtin_bfin_ssync();
/* Set LCR to Word Lengh 8-bit word select */
*pUART_LCR = UART_LCR_WLS8;
asm("ssync;");
__builtin_bfin_ssync();
return;
}
@ -119,8 +119,7 @@ int serial_init(void)
void serial_putc(const char c)
{
if ((*pUART_LSR) & UART_LSR_TEMT)
{
if ((*pUART_LSR) & UART_LSR_TEMT) {
if (c == '\n')
serial_putc('\r');
@ -148,17 +147,16 @@ int serial_getc(void)
int ret;
/* Poll for RX Interrupt */
while (!((isr_val = *(volatile unsigned long *)SIC_ISR) & IRQ_UART_RX_BIT));
while (!((isr_val =
*(volatile unsigned long *)SIC_ISR) & IRQ_UART_RX_BIT)) ;
asm("csync;");
uart_lsr_val = *pUART_LSR; /* Clear status bit */
uart_rbr_val = *pUART_RBR; /* getc() */
if (isr_val & IRQ_UART_ERROR_BIT) {
ret = -1;
}
else
{
ret = -1;
} else {
ret = uart_rbr_val & 0xff;
}
@ -180,10 +178,10 @@ static void local_put_char(char ch)
save_and_cli(flags);
/* Poll for TX Interruput */
while (!((isr_val = *pSIC_ISR) & IRQ_UART_TX_BIT));
while (!((isr_val = *pSIC_ISR) & IRQ_UART_TX_BIT)) ;
asm("csync;");
*pUART_THR = ch; /* putc() */
*pUART_THR = ch; /* putc() */
if (isr_val & IRQ_UART_ERROR_BIT) {
printf("?");
@ -191,5 +189,5 @@ static void local_put_char(char ch)
restore_flags(flags);
return ;
return;
}

261
cpu/bf533/start.S
View File

@ -1,5 +1,5 @@
/*
* U-boot - start.S Startup file of u-boot for BF533
* U-boot - start.S Startup file of u-boot for BF533/BF561
*
* Copyright (c) 2005 blackfin.uclinux.org
*
@ -32,15 +32,29 @@
/*
* Note: A change in this file subsequently requires a change in
* board/$(board_name)/config.mk for a valid u-boot.bin
* board/$(board_name)/config.mk for a valid u-boot.bin
*/
#define ASSEMBLY
#include <linux/config.h>
#include <asm/blackfin.h>
#include <config.h>
#include <asm/mem_init.h>
#include <asm/blackfin.h>
.global _stext;
.global __bss_start;
.global start;
.global _start;
.global _rambase;
.global _ramstart;
.global _ramend;
.global _bf533_data_dest;
.global _bf533_data_size;
.global edata;
.global _initialize;
.global _exit;
.global flashdataend;
.global init_sdram;
#if (CONFIG_CCLK_DIV == 1)
#define CONFIG_CCLK_ACT_DIV CCLK_DIV1
@ -58,31 +72,17 @@
#define CONFIG_CCLK_ACT_DIV CONFIG_CCLK_DIV_not_defined_properly
#endif
.global _stext;
.global __bss_start;
.global start;
.global _start;
.global _rambase;
.global _ramstart;
.global _ramend;
.global _bf533_data_dest;
.global _bf533_data_size;
.global edata;
.global _initialize;
.global _exit;
.global flashdataend;
.text
_start:
start:
_stext:
R0 = 0x30;
R0 = 0x32;
SYSCFG = R0;
SSYNC;
/* As per HW reference manual DAG registers,
* DATA and Address resgister shall be zero'd
* DATA and Address resgister shall be zero'd
* in initialization, after a reset state
*/
r1 = 0; /* Data registers zero'd */
@ -99,7 +99,7 @@ _stext:
p3 = 0;
p4 = 0;
p5 = 0;
i0 = 0; /* DAG Registers zero'd */
i1 = 0;
i2 = 0;
@ -120,8 +120,9 @@ _stext:
/* Set loop counters to zero, to make sure that
* hw loops are disabled.
*/
lc0 = 0;
lc1 = 0;
r0 = 0;
lc0 = r0;
lc1 = r0;
SSYNC;
@ -149,106 +150,41 @@ no_soft_reset:
r1 = 0;
LSETUP(4,4) lc0 = p1;
[ p0 ++ ] = r1;
p0.h = hi(SIC_IWR);
p0.l = lo(SIC_IWR);
r0.l = 0x1;
w[p0] = r0.l;
SSYNC;
/*
* Set PLL_CTL
* - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors
* - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK
* - [7] = output delay (add 200ps of delay to mem signals)
* - [6] = input delay (add 200ps of input delay to mem signals)
* - [5] = PDWN : 1=All Clocks off
* - [3] = STOPCK : 1=Core Clock off
* - [1] = PLL_OFF : 1=Disable Power to PLL
* - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL
* all other bits set to zero
*/
sp.l = (0xffb01000 & 0xFFFF);
sp.h = (0xffb01000 >> 16);
r0 = CONFIG_VCO_MULT; /* Load the VCO multiplier */
r0 = r0 << 9; /* Shift it over */
r1 = CONFIG_CLKIN_HALF; /* Do we need to divide CLKIN by 2? */
r0 = r1 | r0;
r1 = CONFIG_PLL_BYPASS; /* Bypass the PLL? */
r1 = r1 << 8; /* Shift it over */
r0 = r1 | r0; /* add them all together */
call init_sdram;
p0.h = (PLL_CTL >> 16);
p0.l = (PLL_CTL & 0xFFFF); /* Load the address */
cli r2; /* Disable interrupts */
w[p0] = r0; /* Set the value */
idle; /* Wait for the PLL to stablize */
sti r2; /* Enable interrupts */
ssync;
/*
* Turn on the CYCLES COUNTER
*/
r2 = SYSCFG;
BITSET (r2,1);
SYSCFG = r2;
/* Configure SCLK & CCLK Dividers */
r0 = CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV;
p0.h = (PLL_DIV >> 16);
p0.l = (PLL_DIV & 0xFFFF);
w[p0] = r0;
ssync;
wait_for_pll_stab:
p0.h = (PLL_STAT >> 16);
p0.l = (PLL_STAT & 0xFFFF);
r0.l = w[p0];
cc = bittst(r0,5);
if !cc jump wait_for_pll_stab;
/* Configure SDRAM if SDRAM is already not enabled */
p0.l = (EBIU_SDSTAT & 0xFFFF);
p0.h = (EBIU_SDSTAT >> 16);
r0.l = w[p0];
cc = bittst(r0, 3);
if !cc jump skip_sdram_enable;
/* SDRAM initialization */
p0.l = (EBIU_SDGCTL & 0xFFFF);
p0.h = (EBIU_SDGCTL >> 16); /* SDRAM Memory Global Control Register */
r0.h = (mem_SDGCTL >> 16);
r0.l = (mem_SDGCTL & 0xFFFF);
[p0] = r0;
ssync;
p0.l = (EBIU_SDBCTL & 0xFFFF);
p0.h = (EBIU_SDBCTL >> 16); /* SDRAM Memory Bank Control Register */
r0 = mem_SDBCTL;
w[p0] = r0.l;
ssync;
p0.l = (EBIU_SDRRC & 0xFFFF);
p0.h = (EBIU_SDRRC >> 16); /* SDRAM Refresh Rate Control Register */
r0 = mem_SDRRC;
w[p0] = r0.l;
ssync;
skip_sdram_enable:
nop;
#ifndef CFG_NO_FLASH
/* relocate into to RAM */
p1.l = (CFG_FLASH_BASE & 0xffff);
p1.h = (CFG_FLASH_BASE >> 16);
call get_pc;
offset:
r2.l = offset;
r2.h = offset;
r3.l = start;
r3.h = start;
r1 = r2 - r3;
r0 = r0 - r1;
p1 = r0;
p2.l = (CFG_MONITOR_BASE & 0xffff);
p2.h = (CFG_MONITOR_BASE >> 16);
r0.l = (CFG_MONITOR_LEN & 0xffff);
r0.h = (CFG_MONITOR_LEN >> 16);
p3 = 0x04;
p4.l = ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) & 0xffff);
p4.h = ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) >> 16);
loop1:
r1 = [p1];
[p2] = r1;
p3=0x4;
p1=p1+p3;
p2=p2+p3;
r2=0x4;
r0=r0-r2;
cc=r0==0x0;
r1 = [p1 ++ p3];
[p2 ++ p3] = r1;
cc=p2==p4;
if !cc jump loop1;
#endif
/*
* configure STACK
*/
@ -273,7 +209,8 @@ loop1:
p0.l = (IMASK & 0xFFFF);
p0.h = (IMASK >> 16);
r0 = IVG15_POS;
r0.l = LO(IVG15_POS);
r0.h = HI(IVG15_POS);
[p0] = r0;
raise 15;
p0.l = WAIT_HERE;
@ -288,37 +225,10 @@ WAIT_HERE:
_real_start:
[ -- sp ] = reti;
#ifdef CONFIG_EZKIT533
p0.l = (WDOG_CTL & 0xFFFF);
p0.h = (WDOG_CTL >> 16);
r0 = WATCHDOG_DISABLE(z);
w[p0] = r0;
#endif
/* Code for initializing Async mem banks */
p2.h = (EBIU_AMBCTL1 >> 16);
p2.l = (EBIU_AMBCTL1 & 0xFFFF);
r0.h = (AMBCTL1VAL >> 16);
r0.l = (AMBCTL1VAL & 0xFFFF);
[p2] = r0;
ssync;
p2.h = (EBIU_AMBCTL0 >> 16);
p2.l = (EBIU_AMBCTL0 & 0xFFFF);
r0.h = (AMBCTL0VAL >> 16);
r0.l = (AMBCTL0VAL & 0xFFFF);
[p2] = r0;
ssync;
p2.h = (EBIU_AMGCTL >> 16);
p2.l = (EBIU_AMGCTL & 0xffff);
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;
/* DMA reset code to Hi of L1 SRAM */
copy:
P1.H = hi(SYSMMR_BASE); /* P1 Points to the beginning of SYSTEM MMR Space */
/* P1 Points to the beginning of SYSTEM MMR Space */
P1.H = hi(SYSMMR_BASE);
P1.L = lo(SYSMMR_BASE);
R0.H = reset_start; /* Source Address (high) */
@ -329,7 +239,8 @@ copy:
R1.H = hi(L1_ISRAM); /* Destination Address (high) */
R1.L = lo(L1_ISRAM); /* Destination Address (low) */
R3.L = DMAEN; /* Source DMAConfig Value (8-bit words) */
R4.L = (DI_EN | WNR | DMAEN); /* Destination DMAConfig Value (8-bit words) */
/* Destination DMAConfig Value (8-bit words) */
R4.L = (DI_EN | WNR | DMAEN);
DMA:
R6 = 0x1 (Z);
@ -342,57 +253,24 @@ DMA:
Memory Read, 8-Bit Transfers, 1-D DMA, Flow - Stop */
W[P1+OFFSET_(MDMA_S0_CONFIG)] = R3;
[P1+OFFSET_(MDMA_D0_START_ADDR)] = R1; /* Set Destination Base Address */
/* Set Destination Base Address */
[P1+OFFSET_(MDMA_D0_START_ADDR)] = R1;
W[P1+OFFSET_(MDMA_D0_X_COUNT)] = R2; /* Set Destination Count */
/* Set Destination DMAConfig = DMA Enable,
Memory Write, 8-Bit Transfers, 1-D DMA, Flow - Stop, IOC */
W[P1+OFFSET_(MDMA_D0_CONFIG)] = R4;
IDLE; /* Wait for DMA to Complete */
WAIT_DMA_DONE:
p0.h = hi(MDMA_D0_IRQ_STATUS);
p0.l = lo(MDMA_D0_IRQ_STATUS);
R0 = W[P0](Z);
CC = BITTST(R0, 0);
if ! CC jump WAIT_DMA_DONE
R0 = 0x1;
W[P1+OFFSET_(MDMA_D0_IRQ_STATUS)] = R0; /* Write 1 to clear DMA interrupt */
/* DMA reset code to DATA BANK A which uses this port
* to avoid following problem
* " Data from a Data Cache fill can be corrupoted after or during
* instruction DMA if certain core stalls exist"
*/
copy_as_data:
R0.H = reset_start; /* Source Address (high) */
R0.L = reset_start; /* Source Address (low) */
R1.H = reset_end;
R1.L = reset_end;
R2 = R1 - R0; /* Count */
R1.H = hi(DATA_BANKA_SRAM); /* Destination Address (high) */
R1.L = lo(DATA_BANKA_SRAM); /* Destination Address (low) */
R3.L = DMAEN; /* Source DMAConfig Value (8-bit words) */
R4.L = (DI_EN | WNR | DMAEN); /* Destination DMAConfig Value (8-bit words) */
DMA_DATA:
R6 = 0x1 (Z);
W[P1+OFFSET_(MDMA_S0_X_MODIFY)] = R6; /* Source Modify = 1 */
W[P1+OFFSET_(MDMA_D0_X_MODIFY)] = R6; /* Destination Modify = 1 */
[P1+OFFSET_(MDMA_S0_START_ADDR)] = R0; /* Set Source Base Address */
W[P1+OFFSET_(MDMA_S0_X_COUNT)] = R2; /* Set Source Count */
/* Set Source DMAConfig = DMA Enable,
Memory Read, 8-Bit Transfers, 1-D DMA, Flow - Stop */
W[P1+OFFSET_(MDMA_S0_CONFIG)] = R3;
[P1+OFFSET_(MDMA_D0_START_ADDR)] = R1; /* Set Destination Base Address */
W[P1+OFFSET_(MDMA_D0_X_COUNT)] = R2; /* Set Destination Count */
/* Set Destination DMAConfig = DMA Enable,
Memory Write, 8-Bit Transfers, 1-D DMA, Flow - Stop, IOC */
W[P1+OFFSET_(MDMA_D0_CONFIG)] = R4;
IDLE; /* Wait for DMA to Complete */
R0 = 0x1;
W[P1+OFFSET_(MDMA_D0_IRQ_STATUS)] = R0; /* Write 1 to clear DMA interrupt */
copy_end: nop;
/* Write 1 to clear DMA interrupt */
W[P1+OFFSET_(MDMA_D0_IRQ_STATUS)] = R0;
/* Initialize BSS Section with 0 s */
p1.l = __bss_start;
@ -433,3 +311,6 @@ reset_end: nop;
_exit:
jump.s _exit;
get_pc:
r0 = rets;
rts;

4
cpu/bf533/start1.S
View File

@ -24,8 +24,8 @@
#define ASSEMBLY
#include <linux/config.h>
#include <asm/blackfin.h>
#include <config.h>
#include <asm/blackfin.h>
.global start1;
.global _start1;
@ -34,5 +34,5 @@
_start1:
start1:
sp += -12;
call board_init_f;
call _board_init_f;
sp += 12;

205
cpu/bf533/traps.c
View File

@ -42,6 +42,18 @@
#include <asm/page.h>
#include <asm/machdep.h>
#include "cpu.h"
#include <asm/arch/anomaly.h>
#include <asm/cplb.h>
#ifdef DEBUG
#define pr_debug(fmt,arg...) printf(fmt,##arg)
#else
static inline int
__attribute__ ((format(printf, 1, 2))) pr_debug(const char *fmt, ...)
{
return 0;
}
#endif
void init_IRQ(void)
{
@ -51,23 +63,188 @@ void init_IRQ(void)
void process_int(unsigned long vec, struct pt_regs *fp)
{
printf("interrupt\n");
return;
}
extern unsigned int icplb_table[page_descriptor_table_size][2];
extern unsigned int dcplb_table[page_descriptor_table_size][2];
unsigned long last_cplb_fault_retx;
static unsigned int cplb_sizes[4] =
{ 1024, 4 * 1024, 1024 * 1024, 4 * 1024 * 1024 };
void trap_c(struct pt_regs *regs)
{
unsigned int addr;
unsigned long trapnr = (regs->seqstat) & SEQSTAT_EXCAUSE;
unsigned int i, j, size, *I0, *I1;
unsigned short data = 0;
switch (trapnr) {
/* 0x26 - Data CPLB Miss */
case VEC_CPLB_M:
#ifdef ANOMALY_05000261
/*
* Work around an anomaly: if we see a new DCPLB fault,
* return without doing anything. Then,
* if we get the same fault again, handle it.
*/
addr = last_cplb_fault_retx;
last_cplb_fault_retx = regs->retx;
printf("this time, curr = 0x%08x last = 0x%08x\n",
addr, last_cplb_fault_retx);
if (addr != last_cplb_fault_retx)
goto trap_c_return;
#endif
data = 1;
case VEC_CPLB_I_M:
if (data) {
addr = *pDCPLB_FAULT_ADDR;
} else {
addr = *pICPLB_FAULT_ADDR;
}
for (i = 0; i < page_descriptor_table_size; i++) {
if (data) {
size = cplb_sizes[dcplb_table[i][1] >> 16];
j = dcplb_table[i][0];
} else {
size = cplb_sizes[icplb_table[i][1] >> 16];
j = icplb_table[i][0];
}
if ((j <= addr) && ((j + size) > addr)) {
pr_debug("found %i 0x%08x\n", i, j);
break;
}
}
if (i == page_descriptor_table_size) {
printf("something is really wrong\n");
do_reset(NULL, 0, 0, NULL);
}
/* Turn the cache off */
if (data) {
__builtin_bfin_ssync();
asm(" .align 8; ");
*(unsigned int *)DMEM_CONTROL &=
~(ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
__builtin_bfin_ssync();
} else {
__builtin_bfin_ssync();
asm(" .align 8; ");
*(unsigned int *)IMEM_CONTROL &= ~(IMC | ENICPLB);
__builtin_bfin_ssync();
}
if (data) {
I0 = (unsigned int *)DCPLB_ADDR0;
I1 = (unsigned int *)DCPLB_DATA0;
} else {
I0 = (unsigned int *)ICPLB_ADDR0;
I1 = (unsigned int *)ICPLB_DATA0;
}
j = 0;
while (*I1 & CPLB_LOCK) {
pr_debug("skipping %i %08p - %08x\n", j, I1, *I1);
*I0++;
*I1++;
j++;
}
pr_debug("remove %i 0x%08x 0x%08x\n", j, *I0, *I1);
for (; j < 15; j++) {
pr_debug("replace %i 0x%08x 0x%08x\n", j, I0, I0 + 1);
*I0++ = *(I0 + 1);
*I1++ = *(I1 + 1);
}
if (data) {
*I0 = dcplb_table[i][0];
*I1 = dcplb_table[i][1];
I0 = (unsigned int *)DCPLB_ADDR0;
I1 = (unsigned int *)DCPLB_DATA0;
} else {
*I0 = icplb_table[i][0];
*I1 = icplb_table[i][1];
I0 = (unsigned int *)ICPLB_ADDR0;
I1 = (unsigned int *)ICPLB_DATA0;
}
for (j = 0; j < 16; j++) {
pr_debug("%i 0x%08x 0x%08x\n", j, *I0++, *I1++);
}
/* Turn the cache back on */
if (data) {
j = *(unsigned int *)DMEM_CONTROL;
__builtin_bfin_ssync();
asm(" .align 8; ");
*(unsigned int *)DMEM_CONTROL =
ACACHE_BCACHE | ENDCPLB | PORT_PREF0 | j;
__builtin_bfin_ssync();
} else {
__builtin_bfin_ssync();
asm(" .align 8; ");
*(unsigned int *)IMEM_CONTROL = IMC | ENICPLB;
__builtin_bfin_ssync();
}
break;
default:
/* All traps come here */
printf("code=[0x%x], ", (unsigned int)(regs->seqstat & 0x3f));
printf("stack frame=0x%x, ", (unsigned int)regs);
printf("bad PC=0x%04x\n", (unsigned int)regs->pc);
dump(regs);
printf("\n\n");
printf("Unhandled IRQ or exceptions!\n");
printf("Please reset the board \n");
do_reset(NULL, 0, 0, NULL);
}
trap_c_return:
return;
}
void dump(struct pt_regs *fp)
{
printf("PC: %08lx\n", fp->pc);
printf("SEQSTAT: %08lx SP: %08lx\n", (long) fp->seqstat,
(long) fp);
printf("R0: %08lx R1: %08lx R2: %08lx R3: %08lx\n",
fp->r0, fp->r1, fp->r2, fp->r3);
printf("R4: %08lx R5: %08lx R6: %08lx R7: %08lx\n",
fp->r4, fp->r5, fp->r6, fp->r7);
printf("P0: %08lx P1: %08lx P2: %08lx P3: %08lx\n",
fp->p0, fp->p1, fp->p2, fp->p3);
printf("P4: %08lx P5: %08lx FP: %08lx\n", fp->p4, fp->p5,
fp->fp);
printf("A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n",
fp->a0w, fp->a0x, fp->a1w, fp->a1x);
printf("\n");
pr_debug("RETE: %08lx RETN: %08lx RETX: %08lx RETS: %08lx\n",
fp->rete, fp->retn, fp->retx, fp->rets);
pr_debug("IPEND: %04lx SYSCFG: %04lx\n", fp->ipend, fp->syscfg);
pr_debug("SEQSTAT: %08lx SP: %08lx\n", (long)fp->seqstat, (long)fp);
pr_debug("R0: %08lx R1: %08lx R2: %08lx R3: %08lx\n",
fp->r0, fp->r1, fp->r2, fp->r3);
pr_debug("R4: %08lx R5: %08lx R6: %08lx R7: %08lx\n",
fp->r4, fp->r5, fp->r6, fp->r7);
pr_debug("P0: %08lx P1: %08lx P2: %08lx P3: %08lx\n",
fp->p0, fp->p1, fp->p2, fp->p3);
pr_debug("P4: %08lx P5: %08lx FP: %08lx\n",
fp->p4, fp->p5, fp->fp);
pr_debug("A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n",
fp->a0w, fp->a0x, fp->a1w, fp->a1x);
pr_debug("LB0: %08lx LT0: %08lx LC0: %08lx\n",
fp->lb0, fp->lt0, fp->lc0);
pr_debug("LB1: %08lx LT1: %08lx LC1: %08lx\n",
fp->lb1, fp->lt1, fp->lc1);
pr_debug("B0: %08lx L0: %08lx M0: %08lx I0: %08lx\n",
fp->b0, fp->l0, fp->m0, fp->i0);
pr_debug("B1: %08lx L1: %08lx M1: %08lx I1: %08lx\n",
fp->b1, fp->l1, fp->m1, fp->i1);
pr_debug("B2: %08lx L2: %08lx M2: %08lx I2: %08lx\n",
fp->b2, fp->l2, fp->m2, fp->i2);
pr_debug("B3: %08lx L3: %08lx M3: %08lx I3: %08lx\n",
fp->b3, fp->l3, fp->m3, fp->i3);
pr_debug("DCPLB_FAULT_ADDR=%p\n", *pDCPLB_FAULT_ADDR);
pr_debug("ICPLB_FAULT_ADDR=%p\n", *pICPLB_FAULT_ADDR);
}

194
cpu/bf533/video.c Normal file
View File

@ -0,0 +1,194 @@
/*
* (C) Copyright 2000
* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
* (C) Copyright 2002
* Wolfgang Denk, wd@denx.de
* (C) Copyright 2006
* Aubrey Li, aubrey.li@analog.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <stdarg.h>
#include <common.h>
#include <config.h>
#include <asm/blackfin.h>
#include <i2c.h>
#include <linux/types.h>
#include <devices.h>
#ifdef CONFIG_VIDEO
#define NTSC_FRAME_ADDR 0x06000000
#include "video.h"
/* NTSC OUTPUT SIZE 720 * 240 */
#define VERTICAL 2
#define HORIZONTAL 4
int is_vblank_line(const int line)
{
/*
* This array contains a single bit for each line in
* an NTSC frame.
*/
if ((line <= 18) || (line >= 264 && line <= 281) || (line == 528))
return true;
return false;
}
int NTSC_framebuffer_init(char *base_address)
{
const int NTSC_frames = 1;
const int NTSC_lines = 525;
char *dest = base_address;
int frame_num, line_num;
for (frame_num = 0; frame_num < NTSC_frames; ++frame_num) {
for (line_num = 1; line_num <= NTSC_lines; ++line_num) {
unsigned int code;
int offset = 0;
int i;
if (is_vblank_line(line_num))
offset++;
if (line_num > 266 || line_num < 3)
offset += 2;
/* Output EAV code */
code = SystemCodeMap[offset].EAV;
write_dest_byte((char)(code >> 24) & 0xff);
write_dest_byte((char)(code >> 16) & 0xff);
write_dest_byte((char)(code >> 8) & 0xff);
write_dest_byte((char)(code) & 0xff);
/* Output horizontal blanking */
for (i = 0; i < 67 * 2; ++i) {
write_dest_byte(0x80);
write_dest_byte(0x10);
}
/* Output SAV */
code = SystemCodeMap[offset].SAV;
write_dest_byte((char)(code >> 24) & 0xff);
write_dest_byte((char)(code >> 16) & 0xff);
write_dest_byte((char)(code >> 8) & 0xff);
write_dest_byte((char)(code) & 0xff);
/* Output empty horizontal data */
for (i = 0; i < 360 * 2; ++i) {
write_dest_byte(0x80);
write_dest_byte(0x10);
}
}
}
return dest - base_address;
}
void fill_frame(char *Frame, int Value)
{
int *OddPtr32;
int OddLine;
int *EvenPtr32;
int EvenLine;
int i;
int *data;
int m, n;
/* fill odd and even frames */
for (OddLine = 22, EvenLine = 285; OddLine < 263; OddLine++, EvenLine++) {
OddPtr32 = (int *)((Frame + (OddLine * 1716)) + 276);
EvenPtr32 = (int *)((Frame + (EvenLine * 1716)) + 276);
for (i = 0; i < 360; i++, OddPtr32++, EvenPtr32++) {
*OddPtr32 = Value;
*EvenPtr32 = Value;
}
}
for (m = 0; m < VERTICAL; m++) {
data = (int *)u_boot_logo.data;
for (OddLine = (22 + m), EvenLine = (285 + m);
OddLine < (u_boot_logo.height * VERTICAL) + (22 + m);
OddLine += VERTICAL, EvenLine += VERTICAL) {
OddPtr32 = (int *)((Frame + ((OddLine) * 1716)) + 276);
EvenPtr32 =
(int *)((Frame + ((EvenLine) * 1716)) + 276);
for (i = 0; i < u_boot_logo.width / 2; i++) {
/* enlarge one pixel to m x n */
for (n = 0; n < HORIZONTAL; n++) {
*OddPtr32++ = *data;
*EvenPtr32++ = *data;
}
data++;
}
}
}
}
void video_putc(const char c)
{
}
void video_puts(const char *s)
{
}
static int video_init(void)
{
char *NTSCFrame;
NTSCFrame = (char *)NTSC_FRAME_ADDR;
NTSC_framebuffer_init(NTSCFrame);
fill_frame(NTSCFrame, BLUE);
*pPPI_CONTROL = 0x0082;
*pPPI_FRAME = 0x020D;
*pDMA0_START_ADDR = NTSCFrame;
*pDMA0_X_COUNT = 0x035A;
*pDMA0_X_MODIFY = 0x0002;
*pDMA0_Y_COUNT = 0x020D;
*pDMA0_Y_MODIFY = 0x0002;
*pDMA0_CONFIG = 0x1015;
*pPPI_CONTROL = 0x0083;
return 0;
}
int drv_video_init(void)
{
int error, devices = 1;
device_t videodev;
video_init(); /* Video initialization */
memset(&videodev, 0, sizeof(videodev));
strcpy(videodev.name, "video");
videodev.ext = DEV_EXT_VIDEO; /* Video extensions */
videodev.flags = DEV_FLAGS_OUTPUT; /* Output only */
videodev.putc = video_putc; /* 'putc' function */
videodev.puts = video_puts; /* 'puts' function */
error = device_register(&videodev);
return (error == 0) ? devices : error;
}
#endif

25
cpu/bf533/video.h Normal file
View File

@ -0,0 +1,25 @@
#include <video_logo.h>
#define write_dest_byte(val) {*dest++=val;}
#define BLACK (0x01800180) /* black pixel pattern */
#define BLUE (0x296E29F0) /* blue pixel pattern */
#define RED (0x51F0515A) /* red pixel pattern */
#define MAGENTA (0x6ADE6ACA) /* magenta pixel pattern */
#define GREEN (0x91229136) /* green pixel pattern */
#define CYAN (0xAA10AAA6) /* cyan pixel pattern */
#define YELLOW (0xD292D210) /* yellow pixel pattern */
#define WHITE (0xFE80FE80) /* white pixel pattern */
#define true 1
#define false 0
typedef struct {
unsigned int SAV;
unsigned int EAV;
} SystemCodeType;
const SystemCodeType SystemCodeMap[4] = {
{0xFF000080, 0xFF00009D},
{0xFF0000AB, 0xFF0000B6},
{0xFF0000C7, 0xFF0000DA},
{0xFF0000EC, 0xFF0000F1}
};

172
include/asm-blackfin/arch-bf533/anomaly.h Normal file
View File

@ -0,0 +1,172 @@
/*
* File: include/asm-blackfin/arch-bf533/anomaly.h
* Based on:
* Author:
*
* Created:
* Description:
*
* Rev:
*
* Modified:
*
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING.
* If not, write to the Free Software Foundation,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* This file shoule be up to date with:
* - Revision U, May 17, 2006; ADSP-BF533 Blackfin Processor Anomaly List
* - Revision Y, May 17, 2006; ADSP-BF532 Blackfin Processor Anomaly List
* - Revision T, May 17, 2006; ADSP-BF531 Blackfin Processor Anomaly List
*/
#ifndef _MACH_ANOMALY_H_
#define _MACH_ANOMALY_H_
/* We do not support 0.1 or 0.2 silicon - sorry */
#if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2))
#error Kernel will not work on BF533 Version 0.1 or 0.2
#endif
/* Issues that are common to 0.5, 0.4, and 0.3 silicon */
#if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
#define ANOMALY_05000074 /* A multi issue instruction with dsp32shiftimm in
slot1 and store of a P register in slot 2 is not
supported */
#define ANOMALY_05000105 /* Watchpoint Status Register (WPSTAT) bits are set on
every corresponding match */
#define ANOMALY_05000119 /* DMA_RUN bit is not valid after a Peripheral Receive
Channel DMA stops */
#define ANOMALY_05000122 /* Rx.H can not be used to access 16-bit System MMR
registers. */
#define ANOMALY_05000166 /* PPI Data Lengths Between 8 and 16 do not zero out
upper bits*/
#define ANOMALY_05000167 /* Turning Serial Ports on With External Frame Syncs */
#define ANOMALY_05000180 /* PPI_DELAY not functional in PPI modes with 0 frame
syncs */
#define ANOMALY_05000208 /* VSTAT status bit in PLL_STAT register is not
functional */
#define ANOMALY_05000219 /* NMI event at boot time results in unpredictable
state */
#define ANOMALY_05000229 /* SPI Slave Boot Mode modifies registers */
#define ANOMALY_05000272 /* Certain data cache write through modes fail for
VDDint <=0.9V */
#define ANOMALY_05000273 /* Writes to Synchronous SDRAM memory may be lost */
#define ANOMALY_05000277 /* Writes to a flag data register one SCLK cycle after
an edge is detected may clear interrupt */
#define ANOMALY_05000278 /* Disabling Peripherals with DMA running may cause
DMA system instability */
#define ANOMALY_05000281 /* False Hardware Error Exception when ISR context is
not restored */
#define ANOMALY_05000282 /* Memory DMA corruption with 32-bit data and traffic
control */
#define ANOMALY_05000283 /* A system MMR write is stalled indefinitely when
killed in a particular stage*/
#endif
/* These issues only occur on 0.3 or 0.4 BF533 */
#if (defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
#define ANOMALY_05000099 /* UART Line Status Register (UART_LSR) bits are not
updated at the same time. */
#define ANOMALY_05000158 /* Boot fails when data cache enabled: Data from a Data
Cache Fill can be corrupted after or during
Instruction DMA if certain core stalls exist */
#define ANOMALY_05000179 /* PPI_COUNT cannot be programmed to 0 in General
Purpose TX or RX modes */
#define ANOMALY_05000198 /* Failing SYSTEM MMR accesses when stalled by
preceding memory read */
#define ANOMALY_05000200 /* SPORT TFS and DT are incorrectly driven during
inactive channels in certain conditions */
#define ANOMALY_05000202 /* Possible infinite stall with specific dual dag
situation */
#define ANOMALY_05000215 /* UART TX Interrupt masked erroneously */
#define ANOMALY_05000225 /* Incorrect pulse-width of UART start-bit */
#define ANOMALY_05000227 /* Scratchpad memory bank reads may return incorrect
data*/
#define ANOMALY_05000230 /* UART Receiver is less robust against Baudrate
Differences in certain Conditions */
#define ANOMALY_05000231 /* UART STB bit incorrectly affects receiver setting */
#define ANOMALY_05000242 /* DF bit in PLL_CTL register does not respond to
hardware reset */
#define ANOMALY_05000244 /* With instruction cache enabled, a CSYNC or SSYNC or
IDLE around a Change of Control causes
unpredictable results */
#define ANOMALY_05000245 /* Spurious Hardware Error from an access in the
shadow of a conditional branch */
#define ANOMALY_05000246 /* Data CPLB's should prevent spurious hardware
errors */
#define ANOMALY_05000253 /* Maximum external clock speed for Timers */
#define ANOMALY_05000255 /* Entering Hibernate Mode with RTC Seconds event
interrupt not functional */
#define ANOMALY_05000257 /* An interrupt or exception during short Hardware
loops may cause the instruction fetch unit to
malfunction */
#define ANOMALY_05000258 /* Instruction Cache is corrupted when bit 9 and 12 of
the ICPLB Data registers differ */
#define ANOMALY_05000260 /* ICPLB_STATUS MMR register may be corrupted */
#define ANOMALY_05000261 /* DCPLB_FAULT_ADDR MMR register may be corrupted */
#define ANOMALY_05000262 /* Stores to data cache may be lost */
#define ANOMALY_05000263 /* Hardware loop corrupted when taking an ICPLB exception */
#define ANOMALY_05000264 /* A Sync instruction (CSYNC, SSYNC) or an IDLE
instruction will cause an infinite stall in the
second to last instruction in a hardware loop */
#define ANOMALY_05000265 /* Sensitivity to noise with slow input edge rates on
SPORT external receive and transmit clocks. */
#define ANOMALY_05000269 /* High I/O activity causes the output voltage of the
internal voltage regulator (VDDint) to increase. */
#define ANOMALY_05000270 /* High I/O activity causes the output voltage of the
internal voltage regulator (VDDint) to decrease */
#endif
/* These issues are only on 0.4 silicon */
#if (defined(CONFIG_BF_REV_0_4))
#define ANOMALY_05000234 /* Incorrect Revision Number in DSPID Register */
#define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel
(TDM) */
#endif
/* These issues are only on 0.3 silicon */
#if defined(CONFIG_BF_REV_0_3)
#define ANOMALY_05000183 /* Timer Pin limitations for PPI TX Modes with
External Frame Syncs */
#define ANOMALY_05000189 /* False Protection Exceptions caused by Speculative
Instruction or Data Fetches, or by Fetches at the
boundary of reserved memory space */
#define ANOMALY_05000193 /* False Flag Pin Interrupts on Edge Sensitive Inputs
when polarity setting is changed */
#define ANOMALY_05000194 /* Sport Restarting in specific modes may cause data
corruption */
#define ANOMALY_05000199 /* DMA current address shows wrong value during carry
fix */
#define ANOMALY_05000201 /* Receive frame sync not ignored during active
frames in sport MCM */
#define ANOMALY_05000203 /* Specific sequence that can cause DMA error or DMA
stopping */
#if defined(CONFIG_BF533)
#define ANOMALY_05000204 /* Incorrect data read with write-through cache and
allocate cache lines on reads only mode */
#endif /* CONFIG_BF533 */
#define ANOMALY_05000207 /* Recovery from "brown-out" condition */
#define ANOMALY_05000209 /* Speed-Path in computational unit affects certain
instructions */
#define ANOMALY_05000233 /* PPI_FS3 is not driven in 2 or 3 internal Frame
Sync Transmit Mode */
#define ANOMALY_05000271 /* Spontaneous reset of Internal Voltage Regulator */
#endif
#endif /* _MACH_ANOMALY_H_ */

1
include/asm-blackfin/cpu/bf533_serial.h → include/asm-blackfin/arch-bf533/bf533_serial.h
View File

@ -22,7 +22,6 @@
* MA 02111-1307 USA
*/
#ifndef _BF533_SERIAL_H_
#define _BF533_SERIAL_H_

0
include/asm-blackfin/cpu/bf533_rtc.h → include/asm-blackfin/arch-bf533/bf5xx_rtc.h
View File

2
include/asm-blackfin/cpu/cdefBF531.h → include/asm-blackfin/arch-bf533/cdefBF531.h
View File

@ -19,6 +19,6 @@
#ifndef _CDEFBF531_H
#define _CDEFBF531_H
#include <cdefBF532.h>
#include <asm/arch-bf533/cdefBF532.h>
#endif /* _CDEFBF531_H */

4
include/asm-blackfin/cpu/cdefBF532.h → include/asm-blackfin/arch-bf533/cdefBF532.h
View File

@ -26,10 +26,10 @@
*/
/* include all Core registers and bit definitions */
#include <asm/cpu/defBF532.h>
#include <asm/arch-bf533/defBF532.h>
/* include core specific register pointer definitions */
#include <asm/cpu/cdef_LPBlackfin.h>
#include <asm/arch-common/cdef_LPBlackfin.h>
/* Clock and System Control (0xFFC0 0400-0xFFC0 07FF) */
#define pPLL_CTL ((volatile unsigned short *)PLL_CTL)

2
include/asm-blackfin/cpu/cdefBF533.h → include/asm-blackfin/arch-bf533/cdefBF533.h
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@ -19,6 +19,6 @@
#ifndef _CDEFBF533_H
#define _CDEFBF533_H
#include <asm/cpu/cdefBF532.h>
#include <asm/arch-bf533/cdefBF532.h>
#endif /* _CDEFBF533_H */

482
include/asm-blackfin/arch-bf533/cplbtab.h Normal file
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@ -0,0 +1,482 @@
/*This file is subject to the terms and conditions of the GNU General Public
* License.
*
* Blackfin BF533/2.6 support : LG Soft India
* Updated : Ashutosh Singh / Jahid Khan : Rrap Software Pvt Ltd
* Updated : 1. SDRAM_KERNEL, SDRAM_DKENEL are added as initial cplb's
* shouldn't be victimized. cplbmgr.S search logic is corrected
* to findout the appropriate victim.
* 2. SDRAM_IGENERIC in dpdt_table is replaced with SDRAM_DGENERIC
* : LG Soft India
*/
#include <config.h>
#ifndef __ARCH_BFINNOMMU_CPLBTAB_H
#define __ARCH_BFINNOMMU_CPLBTAB_H
/*************************************************************************
* ICPLB TABLE
*************************************************************************/
.data
/* This table is configurable */
.align 4;
/* Data Attibutes*/
#define SDRAM_IGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
#define SDRAM_IKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define L1_IMEMORY (PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define SDRAM_INON_CHBL (PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
/*Use the menuconfig cache policy here - CONFIG_BLKFIN_WT/CONFIG_BLKFIN_WB*/
#define ANOMALY_05000158 0x200
#ifdef CONFIG_BLKFIN_WB /*Write Back Policy */
#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_USER_WR | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
#define L1_DMEMORY (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_EBIU (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
#else /*Write Through */
#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
#define L1_DMEMORY (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_L1_AOW | CPLB_WT | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_EBIU (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
#endif
.align 4;
.global _ipdt_table _ipdt_table:.byte4 0x00000000;
.byte4(SDRAM_IKERNEL); /*SDRAM_Page0 */
.byte4 0x00400000;
.byte4(SDRAM_IKERNEL); /*SDRAM_Page1 */
.byte4 0x00800000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page2 */
.byte4 0x00C00000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page3 */
.byte4 0x01000000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page4 */
.byte4 0x01400000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page5 */
.byte4 0x01800000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page6 */
.byte4 0x01C00000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page7 */
#ifndef CONFIG_EZKIT /*STAMP Memory regions */
.byte4 0x02000000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page8 */
.byte4 0x02400000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page9 */
.byte4 0x02800000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page10 */
.byte4 0x02C00000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page11 */
.byte4 0x03000000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page12 */
.byte4 0x03400000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page13 */
.byte4 0x03800000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page14 */
.byte4 0x03C00000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page15 */
#endif
.byte4 0x20000000;
.byte4(SDRAM_EBIU); /* Async Memory Bank 2 (Secnd) */
#ifdef CONFIG_STAMP
.byte4 0x04000000;
.byte4(SDRAM_IGENERIC);
.byte4 0x04400000;
.byte4(SDRAM_IGENERIC);
.byte4 0x04800000;
.byte4(SDRAM_IGENERIC);
.byte4 0x04C00000;
.byte4(SDRAM_IGENERIC);
.byte4 0x05000000;
.byte4(SDRAM_IGENERIC);
.byte4 0x05400000;
.byte4(SDRAM_IGENERIC);
.byte4 0x05800000;
.byte4(SDRAM_IGENERIC);
.byte4 0x05C00000;
.byte4(SDRAM_IGENERIC);
.byte4 0x06000000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page25 */
.byte4 0x06400000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page26 */
.byte4 0x06800000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page27 */
.byte4 0x06C00000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page28 */
.byte4 0x07000000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page29 */
.byte4 0x07400000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page30 */
.byte4 0x07800000;
.byte4(SDRAM_IGENERIC); /*SDRAM_Page31 */
.byte4 0x07C00000;
.byte4(SDRAM_IKERNEL); /*SDRAM_Page32 */
#endif
.byte4 0xffffffff; /* end of section - termination */
/**********************************************************************
* PAGE DESCRIPTOR TABLE
*
**********************************************************************/
/* Till here we are discussing about the static memory management model.
* However, the operating envoronments commonly define more CPLB
* descriptors to cover the entire addressable memory than will fit into
* the available on-chip 16 CPLB MMRs. When this happens, the below table
* will be used which will hold all the potentially required CPLB descriptors
*
* This is how Page descriptor Table is implemented in uClinux/Blackfin.
*/
.global _dpdt_table _dpdt_table:.byte4 0x00000000;
.byte4(SDRAM_DKERNEL); /*SDRAM_Page0 */
.byte4 0x00400000;
.byte4(SDRAM_DKERNEL); /*SDRAM_Page1 */
.byte4 0x00800000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page2 */
.byte4 0x00C00000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page3 */
.byte4 0x01000000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page4 */
.byte4 0x01400000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page5 */
.byte4 0x01800000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page6 */
.byte4 0x01C00000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page7 */
#ifndef CONFIG_EZKIT
.byte4 0x02000000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page8 */
.byte4 0x02400000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page9 */
.byte4 0x02800000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page10 */
.byte4 0x02C00000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page11 */
.byte4 0x03000000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page12 */
.byte4 0x03400000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page13 */
.byte4 0x03800000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page14 */
.byte4 0x03C00000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page15 */
#endif
#ifdef CONFIG_STAMP
.byte4 0x04000000;
.byte4(SDRAM_DGENERIC);
.byte4 0x04400000;
.byte4(SDRAM_DGENERIC);
.byte4 0x04800000;
.byte4(SDRAM_DGENERIC);
.byte4 0x04C00000;
.byte4(SDRAM_DGENERIC);
.byte4 0x05000000;
.byte4(SDRAM_DGENERIC);
.byte4 0x05400000;
.byte4(SDRAM_DGENERIC);
.byte4 0x05800000;
.byte4(SDRAM_DGENERIC);
.byte4 0x05C00000;
.byte4(SDRAM_DGENERIC);
.byte4 0x06000000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page25 */
.byte4 0x06400000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page26 */
.byte4 0x06800000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page27 */
.byte4 0x06C00000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page28 */
.byte4 0x07000000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page29 */
.byte4 0x07400000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page30 */
.byte4 0x07800000;
.byte4(SDRAM_DGENERIC); /*SDRAM_Page31 */
.byte4 0x07C00000;
.byte4(SDRAM_DKERNEL); /*SDRAM_Page32 */
#endif
.byte4 0x20000000;
.byte4(SDRAM_EBIU); /* Async Memory Bank 0 (Prim A) */
#if (BFIN_CPU == ADSP_BF533)
.byte4 0xFF800000;
.byte4(L1_DMEMORY);
.byte4 0xFF801000;
.byte4(L1_DMEMORY);
.byte4 0xFF802000;
.byte4(L1_DMEMORY);
.byte4 0xFF803000;
.byte4(L1_DMEMORY);
#endif
.byte4 0xFF804000;
.byte4(L1_DMEMORY);
.byte4 0xFF805000;
.byte4(L1_DMEMORY);
.byte4 0xFF806000;
.byte4(L1_DMEMORY);
.byte4 0xFF807000;
.byte4(L1_DMEMORY);
#if (BFIN_CPU == ADSP_BF533)
.byte4 0xFF900000;
.byte4(L1_DMEMORY);
.byte4 0xFF901000;
.byte4(L1_DMEMORY);
.byte4 0xFF902000;
.byte4(L1_DMEMORY);
.byte4 0xFF903000;
.byte4(L1_DMEMORY);
#endif
#if ((BFIN_CPU == ADSP_BF532) || (BFIN_CPU == ADSP_BF533))
.byte4 0xFF904000;
.byte4(L1_DMEMORY);
.byte4 0xFF905000;
.byte4(L1_DMEMORY);
.byte4 0xFF906000;
.byte4(L1_DMEMORY);
.byte4 0xFF907000;
.byte4(L1_DMEMORY);
#endif
.byte4 0xFFB00000;
.byte4(L1_DMEMORY);
.byte4 0xffffffff; /*end of section - termination */
#ifdef CONFIG_CPLB_INFO
.global _ipdt_swapcount_table; /* swapin count first, then swapout count */
_ipdt_swapcount_table:
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 10 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 20 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 30 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 40 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 50 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 60 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 70 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 80 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 90 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 100 */
.global _dpdt_swapcount_table; /* swapin count first, then swapout count */
_dpdt_swapcount_table:
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 10 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 20 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 30 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 40 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 50 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 60 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 70 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 80 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 80 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 100 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 110 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 120 */
#endif
#endif /*__ARCH_BFINNOMMU_CPLBTAB_H*/

0
include/asm-blackfin/cpu/defBF531.h → include/asm-blackfin/arch-bf533/defBF531.h
View File

146
include/asm-blackfin/cpu/defBF532.h → include/asm-blackfin/arch-bf533/defBF532.h
View File

@ -28,7 +28,7 @@
*/
/* include all Core registers and bit definitions */
#include <asm/cpu/def_LPBlackfin.h>
#include <asm/arch-common/def_LPBlackfin.h>
/* Helper macros
* usage:
@ -51,7 +51,7 @@
#define VR_CTL 0xFFC00008 /* Voltage Regulator Control Register (16-bit) */
#define PLL_STAT 0xFFC0000C /* PLL Status register (16-bit) */
#define PLL_LOCKCNT 0xFFC00010 /* PLL Lock Count register (16-bit) */
#define CHIPID 0xFFC00014 /* Chip ID register (32-bit) */
#define CHIPID 0xFFC00014 /* Chip ID register (32-bit) */
#define SWRST 0xFFC00100 /* Software Reset Register (16-bit) */
#define SYSCR 0xFFC00104 /* System Configuration register */
@ -88,7 +88,7 @@
#define UART_LCR 0xFFC0040C /* Line Control Register */
#define UART_MCR 0xFFC00410 /* Modem Control Register */
#define UART_LSR 0xFFC00414 /* Line Status Register */
/* #define UART_MSR 0xFFC00418 */ /* Modem Status Register (UNUSED in ADSP-BF532) */
/* #define UART_MSR 0xFFC00418 *//* Modem Status Register (UNUSED in ADSP-BF532) */
#define UART_SCR 0xFFC0041C /* SCR Scratch Register */
#define UART_GCTL 0xFFC00424 /* Global Control Register */
@ -405,7 +405,7 @@
#define BYPASS 0x00000100 /* Bypass the PLL */
/* PLL_DIV Masks */
#define SCLK_DIV(x) (x) /* SCLK = VCO / x */
#define SCLK_DIV(x) (x) /* SCLK = VCO / x */
#define CCLK_DIV1 0x00000000 /* CCLK = VCO / 1 */
#define CCLK_DIV2 0x00000010 /* CCLK = VCO / 2 */
@ -420,7 +420,7 @@
*/
/* SIC_IAR0 Masks */
#define P0_IVG(x) ((x)-7) /* Peripheral #0 assigned IVG #x */
#define P0_IVG(x) ((x)-7) /* Peripheral #0 assigned IVG #x */
#define P1_IVG(x) ((x)-7) << 0x4 /* Peripheral #1 assigned IVG #x */
#define P2_IVG(x) ((x)-7) << 0x8 /* Peripheral #2 assigned IVG #x */
#define P3_IVG(x) ((x)-7) << 0xC /* Peripheral #3 assigned IVG #x */
@ -430,7 +430,7 @@
#define P7_IVG(x) ((x)-7) << 0x1C /* Peripheral #7 assigned IVG #x */
/* SIC_IAR1 Masks */
#define P8_IVG(x) ((x)-7) /* Peripheral #8 assigned IVG #x */
#define P8_IVG(x) ((x)-7) /* Peripheral #8 assigned IVG #x */
#define P9_IVG(x) ((x)-7) << 0x4 /* Peripheral #9 assigned IVG #x */
#define P10_IVG(x) ((x)-7) << 0x8 /* Peripheral #10 assigned IVG #x */
#define P11_IVG(x) ((x)-7) << 0xC /* Peripheral #11 assigned IVG #x */
@ -440,7 +440,7 @@
#define P15_IVG(x) ((x)-7) << 0x1C /* Peripheral #15 assigned IVG #x */
/* SIC_IAR2 Masks */
#define P16_IVG(x) ((x)-7) /* Peripheral #16 assigned IVG #x */
#define P16_IVG(x) ((x)-7) /* Peripheral #16 assigned IVG #x */
#define P17_IVG(x) ((x)-7) << 0x4 /* Peripheral #17 assigned IVG #x */
#define P18_IVG(x) ((x)-7) << 0x8 /* Peripheral #18 assigned IVG #x */
#define P19_IVG(x) ((x)-7) << 0xC /* Peripheral #19 assigned IVG #x */
@ -486,25 +486,25 @@
#define RTDAY 0xFFFE0000 /* Real-Time Clock Days */
/* RTC_ICTL register */
#define SWIE 0x0001 /* Stopwatch Interrupt Enable */
#define AIE 0x0002 /* Alarm Interrupt Enable */
#define SIE 0x0004 /* Seconds (1 Hz) Interrupt Enable */
#define MIE 0x0008 /* Minutes Interrupt Enable */
#define HIE 0x0010 /* Hours Interrupt Enable */
#define DIE 0x0020 /* 24 Hours (Days) Interrupt Enable */
#define DAIE 0x0040 /* Day Alarm (Day, Hour, Minute, Second) Interrupt Enable */
#define WCIE 0x8000 /* Write Complete Interrupt Enable */
#define SWIE 0x0001 /* Stopwatch Interrupt Enable */
#define AIE 0x0002 /* Alarm Interrupt Enable */
#define SIE 0x0004 /* Seconds (1 Hz) Interrupt Enable */
#define MIE 0x0008 /* Minutes Interrupt Enable */
#define HIE 0x0010 /* Hours Interrupt Enable */
#define DIE 0x0020 /* 24 Hours (Days) Interrupt Enable */
#define DAIE 0x0040 /* Day Alarm (Day, Hour, Minute, Second) Interrupt Enable */
#define WCIE 0x8000 /* Write Complete Interrupt Enable */
/* RTC_ISTAT register */
#define SWEF 0x0001 /* Stopwatch Event Flag */
#define AEF 0x0002 /* Alarm Event Flag */
#define SEF 0x0004 /* Seconds (1 Hz) Event Flag */
#define MEF 0x0008 /* Minutes Event Flag */
#define HEF 0x0010 /* Hours Event Flag */
#define DEF 0x0020 /* 24 Hours (Days) Event Flag */
#define DAEF 0x0040 /* Day Alarm (Day, Hour, Minute, Second) Event Flag */
#define WPS 0x4000 /* Write Pending Status (RO) */
#define WCOM 0x8000 /* Write Complete */
#define SWEF 0x0001 /* Stopwatch Event Flag */
#define AEF 0x0002 /* Alarm Event Flag */
#define SEF 0x0004 /* Seconds (1 Hz) Event Flag */
#define MEF 0x0008 /* Minutes Event Flag */
#define HEF 0x0010 /* Hours Event Flag */
#define DEF 0x0020 /* 24 Hours (Days) Event Flag */
#define DAEF 0x0040 /* Day Alarm (Day, Hour, Minute, Second) Event Flag */
#define WPS 0x4000 /* Write Pending Status (RO) */
#define WCOM 0x8000 /* Write Complete */
/* RTC_FAST Mask (RTC_PREN Mask) */
#define ENABLE_PRESCALE 0x00000001 /* Enable prescaler so RTC runs at 1 Hz */
@ -588,50 +588,50 @@
* SERIAL PORT MASKS
*/
/* SPORTx_TCR1 Masks */
#define TSPEN 0x0001 /* TX enable */
#define ITCLK 0x0002 /* Internal TX Clock Select */
#define TDTYPE 0x000C /* TX Data Formatting Select */
#define TLSBIT 0x0010 /* TX Bit Order */
#define ITFS 0x0200 /* Internal TX Frame Sync Select */
#define TFSR 0x0400 /* TX Frame Sync Required Select */
#define DITFS 0x0800 /* Data Independent TX Frame Sync Select */
#define LTFS 0x1000 /* Low TX Frame Sync Select */
#define LATFS 0x2000 /* Late TX Frame Sync Select */
#define TCKFE 0x4000 /* TX Clock Falling Edge Select */
#define TSPEN 0x0001 /* TX enable */
#define ITCLK 0x0002 /* Internal TX Clock Select */
#define TDTYPE 0x000C /* TX Data Formatting Select */
#define TLSBIT 0x0010 /* TX Bit Order */
#define ITFS 0x0200 /* Internal TX Frame Sync Select */
#define TFSR 0x0400 /* TX Frame Sync Required Select */
#define DITFS 0x0800 /* Data Independent TX Frame Sync Select */
#define LTFS 0x1000 /* Low TX Frame Sync Select */
#define LATFS 0x2000 /* Late TX Frame Sync Select */
#define TCKFE 0x4000 /* TX Clock Falling Edge Select */
/* SPORTx_TCR2 Masks */
#define SLEN 0x001F /*TX Word Length */
#define TXSE 0x0100 /*TX Secondary Enable */
#define TSFSE 0x0200 /*TX Stereo Frame Sync Enable */
#define TRFST 0x0400 /*TX Right-First Data Order */
#define SLEN 0x001F /*TX Word Length */
#define TXSE 0x0100 /*TX Secondary Enable */
#define TSFSE 0x0200 /*TX Stereo Frame Sync Enable */
#define TRFST 0x0400 /*TX Right-First Data Order */
/* SPORTx_RCR1 Masks */
#define RSPEN 0x0001 /* RX enable */
#define IRCLK 0x0002 /* Internal RX Clock Select */
#define RDTYPE 0x000C /* RX Data Formatting Select */
#define RULAW 0x0008 /* u-Law enable */
#define RALAW 0x000C /* A-Law enable */
#define RLSBIT 0x0010 /* RX Bit Order */
#define IRFS 0x0200 /* Internal RX Frame Sync Select */
#define RFSR 0x0400 /* RX Frame Sync Required Select */
#define LRFS 0x1000 /* Low RX Frame Sync Select */
#define LARFS 0x2000 /* Late RX Frame Sync Select */
#define RCKFE 0x4000 /* RX Clock Falling Edge Select */
#define RSPEN 0x0001 /* RX enable */
#define IRCLK 0x0002 /* Internal RX Clock Select */
#define RDTYPE 0x000C /* RX Data Formatting Select */
#define RULAW 0x0008 /* u-Law enable */
#define RALAW 0x000C /* A-Law enable */
#define RLSBIT 0x0010 /* RX Bit Order */
#define IRFS 0x0200 /* Internal RX Frame Sync Select */
#define RFSR 0x0400 /* RX Frame Sync Required Select */
#define LRFS 0x1000 /* Low RX Frame Sync Select */
#define LARFS 0x2000 /* Late RX Frame Sync Select */
#define RCKFE 0x4000 /* RX Clock Falling Edge Select */
/* SPORTx_RCR2 Masks */
#define SLEN 0x001F /* RX Word Length */
#define RXSE 0x0100 /* RX Secondary Enable */
#define RSFSE 0x0200 /* RX Stereo Frame Sync Enable */
#define RRFST 0x0400 /* Right-First Data Order */
#define SLEN 0x001F /* RX Word Length */
#define RXSE 0x0100 /* RX Secondary Enable */
#define RSFSE 0x0200 /* RX Stereo Frame Sync Enable */
#define RRFST 0x0400 /* Right-First Data Order */
/* SPORTx_STAT Masks */
#define RXNE 0x0001 /* RX FIFO Not Empty Status */
#define RUVF 0x0002 /* RX Underflow Status */
#define ROVF 0x0004 /* RX Overflow Status */
#define TXF 0x0008 /* TX FIFO Full Status */
#define TUVF 0x0010 /* TX Underflow Status */
#define TOVF 0x0020 /* TX Overflow Status */
#define TXHRE 0x0040 /* TX Hold Register Empty */
#define RXNE 0x0001 /* RX FIFO Not Empty Status */
#define RUVF 0x0002 /* RX Underflow Status */
#define ROVF 0x0004 /* RX Overflow Status */
#define TXF 0x0008 /* TX FIFO Full Status */
#define TUVF 0x0010 /* TX Underflow Status */
#define TOVF 0x0020 /* TX Overflow Status */
#define TXHRE 0x0040 /* TX Hold Register Empty */
/* SPORTx_MCMC1 Masks */
#define WSIZE 0x0000F000 /* Multichannel Window Size Field */
@ -660,7 +660,7 @@
#define SKIP_EN 0x00000200 /* PPI Skip Element Enable */
#define SKIP_EO 0x00000400 /* PPI Skip Even/Odd Elements */
#define DLENGTH 0x00003800 /* PPI Data Length */
#define DLEN_8 0x0 /* PPI Data Length mask for DLEN=8 */
#define DLEN_8 0x0 /* PPI Data Length mask for DLEN=8 */
#define DLEN(x) (((x-9) & 0x07) << 11) /* PPI Data Length (only works for x=10-->x=16) */
#define POL 0x0000C000 /* PPI Signal Polarities */
@ -689,12 +689,12 @@
#define NDSIZE 0x00000900 /* Next Descriptor Size */
#define FLOW 0x00007000 /* Flow Control */
#define DMAEN_P 0 /* Channel Enable */
#define WNR_P 1 /* Channel Direction (W/R*) */
#define DMA2D_P 4 /* 2D/1D* Mode */
#define RESTART_P 5 /* Restart */
#define DI_SEL_P 6 /* Data Interrupt Select */
#define DI_EN_P 7 /* Data Interrupt Enable */
#define DMAEN_P 0 /* Channel Enable */
#define WNR_P 1 /* Channel Direction (W/R*) */
#define DMA2D_P 4 /* 2D/1D* Mode */
#define RESTART_P 5 /* Restart */
#define DI_SEL_P 6 /* Data Interrupt Select */
#define DI_EN_P 7 /* Data Interrupt Enable */
/* DMAx_IRQ_STATUS, MDMA_yy_IRQ_STATUS Masks */
#define DMA_DONE 0x00000001 /* DMA Done Indicator */
@ -702,14 +702,14 @@
#define DFETCH 0x00000004 /* Descriptor Fetch Indicator */
#define DMA_RUN 0x00000008 /* DMA Running Indicator */
#define DMA_DONE_P 0 /* DMA Done Indicator */
#define DMA_ERR_P 1 /* DMA Error Indicator */
#define DFETCH_P 2 /* Descriptor Fetch Indicator */
#define DMA_RUN_P 3 /* DMA Running Indicator */
#define DMA_DONE_P 0 /* DMA Done Indicator */
#define DMA_ERR_P 1 /* DMA Error Indicator */
#define DFETCH_P 2 /* Descriptor Fetch Indicator */
#define DMA_RUN_P 3 /* DMA Running Indicator */
/* DMAx_PERIPHERAL_MAP, MDMA_yy_PERIPHERAL_MAP Masks */
#define CTYPE 0x00000040 /* DMA Channel Type Indicator */
#define CTYPE_P 6 /* DMA Channel Type Indicator BIT POSITION */
#define CTYPE_P 6 /* DMA Channel Type Indicator BIT POSITION */
#define PCAP8 0x00000080 /* DMA 8-bit Operation Indicator */
#define PCAP16 0x00000100 /* DMA 16-bit Operation Indicator */
#define PCAP32 0x00000200 /* DMA 32-bit Operation Indicator */
@ -1156,4 +1156,4 @@
#define SDEASE 0x00000010 /* SDRAM EAB sticky error status - W1C */
#define BGSTAT 0x00000020 /* Bus granted */
#endif /* _DEF_BF532_H */
#endif /* _DEF_BF532_H */

0
include/asm-blackfin/cpu/defBF533.h → include/asm-blackfin/arch-bf533/defBF533.h
View File

5
include/asm-blackfin/cpu/defBF533_extn.h → include/asm-blackfin/arch-bf533/defBF533_extn.h
View File

@ -19,9 +19,10 @@
#ifndef _DEF_BF533_EXTN_H
#define _DEF_BF533_EXTN_H
#define OFFSET_( x ) ((x) & 0x0000FFFF) /* define macro for offset */
/* define macro for offset */
#define OFFSET_( x ) ((x) & 0x0000FFFF)
/* Delay inserted for PLL transition */
#define DELAY 0x1000
#define PLL_DELAY 0x1000
#define L1_ISRAM 0xFFA00000
#define L1_ISRAM_END 0xFFA10000

0
include/asm-blackfin/cpu/bf533_irq.h → include/asm-blackfin/arch-bf533/irq.h
View File

46
include/asm-blackfin/arch-common/bf53x_rtc.h Normal file
View File

@ -0,0 +1,46 @@
/*
* U-boot - bf533_rtc.h
*
* Copyright (c) 2005 blackfin.uclinux.org
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _BF533_RTC_H_
#define _BF533_RTC_H_
void rtc_init(void);
void wait_for_complete(void);
void rtc_reset(void);
#define MIN_TO_SECS(_x_) (60 * _x_)
#define HRS_TO_SECS(_x_) (60 * 60 * _x_)
#define DAYS_TO_SECS(_x_) (24 * 60 * 60 * _x_)
#define NUM_SECS_IN_DAY (24 * 3600)
#define NUM_SECS_IN_HOUR (3600)
#define NUM_SECS_IN_MIN (60)
/* Shift values for RTC_STAT register */
#define DAY_BITS_OFF 17
#define HOUR_BITS_OFF 12
#define MIN_BITS_OFF 6
#define SEC_BITS_OFF 0
#endif

40
include/asm-blackfin/arch-common/cdefBF5xx.h Normal file
View File

@ -0,0 +1,40 @@
/************************************************************************
*
* cdefBF53x.h
*
* (c) Copyright 2002-2003 Analog Devices, Inc. All rights reserved.
*
************************************************************************/
#ifndef _CDEFBF53x_H
#define _CDEFBF53x_H
#if defined(__ADSPBF531__)
#include <asm/arch-bf533/cdefBF531.h>
#elif defined(__ADSPBF532__)
#include <asm/arch-bf533/cdefBF532.h>
#elif defined(__ADSPBF533__)
#include <asm/arch-bf533/cdefBF533.h>
#include <asm/arch-bf533/defBF533_extn.h>
#include <asm/arch-bf533/bf533_serial.h>
#elif defined(__ADSPBF537__)
#include <asm/arch-bf537/cdefBF537.h>
#include <asm/arch-bf537/defBF537_extn.h>
#include <asm/arch-bf537/bf537_serial.h>
#elif defined(__ADSPBF561__)
#include <asm/arch-bf561/cdefBF561.h>
#include <asm/arch-bf561/defBF561_extn.h>
#include <asm/arch-bf561/bf561_serial.h>
#elif defined(__ADSPBF535__)
#include <asm/cpu/cdefBF5d35.h>
#elif defined(__AD6532__)
#include <asm/cpu/cdefAD6532.h>
#else
#if defined(__ADSPLPBLACKFIN__)
#include <asm/arch-bf533/cdefBF532.h>
#else
#include <asm/arch-bf533/cdefBF535.h>
#endif
#endif
#endif /* _CDEFBF53x_H */

70
include/asm-blackfin/cpu/cdef_LPBlackfin.h → include/asm-blackfin/arch-common/cdef_LPBlackfin.h
View File

@ -1,38 +1,27 @@
/*
/************************************************************************
*
* cdef_LPBlackfin.h
*
* This file is subject to the terms and conditions of the GNU Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
* (c) Copyright 2002-2003 Analog Devices, Inc. All rights reserved.
*
* Non-GPL License also available as part of VisualDSP++
*
* http://www.analog.com/processors/resources/crosscore/visualDspDevSoftware.html
*
* (c) Copyright 2001-2005 Analog Devices, Inc. All rights reserved
*
* This file under source code control, please send bugs or changes to:
* dsptools.support@analog.com
*
*/
************************************************************************/
#ifndef _CDEF_LPBLACKFIN_H
#define _CDEF_LPBLACKFIN_H
/*
* #if !defined(__ADSPLPBLACKFIN__)
* #warning cdef_LPBlackfin.h should only be included for 532 compatible chips.
* #endif
*/
#include <asm/cpu/def_LPBlackfin.h>
#if !defined(__ADSPLPBLACKFIN__)
#warning cdef_LPBlackfin.h should only be included for 532 compatible chips.
#endif
#include <asm/arch-common/def_LPBlackfin.h>
/* Cache & SRAM Memory */
// Cache & SRAM Memory
#define pSRAM_BASE_ADDRESS ((volatile void **)SRAM_BASE_ADDRESS)
#define pDMEM_CONTROL ((volatile unsigned long *)DMEM_CONTROL)
#define pDCPLB_STATUS ((volatile unsigned long *)DCPLB_STATUS)
#define pDCPLB_FAULT_ADDR ((volatile void **)DCPLB_FAULT_ADDR)
/* #define MMR_TIMEOUT 0xFFE00010 */ /* Memory-Mapped Register Timeout Register */
/*
#define MMR_TIMEOUT 0xFFE00010 // Memory-Mapped Register Timeout Register
*/
#define pDCPLB_ADDR0 ((volatile void **)DCPLB_ADDR0)
#define pDCPLB_ADDR1 ((volatile void **)DCPLB_ADDR1)
#define pDCPLB_ADDR2 ((volatile void **)DCPLB_ADDR2)
@ -66,15 +55,15 @@
#define pDCPLB_DATA14 ((volatile unsigned long *)DCPLB_DATA14)
#define pDCPLB_DATA15 ((volatile unsigned long *)DCPLB_DATA15)
#define pDTEST_COMMAND ((volatile unsigned long *)DTEST_COMMAND)
/* #define DTEST_INDEX 0xFFE00304 */ /* Data Test Index Register */
/*
#define DTEST_INDEX 0xFFE00304 // Data Test Index Register
*/
#define pDTEST_DATA0 ((volatile unsigned long *)DTEST_DATA0)
#define pDTEST_DATA1 ((volatile unsigned long *)DTEST_DATA1)
/*
* # define DTEST_DATA2 0xFFE00408 Data Test Data Register
* #define DTEST_DATA3 0xFFE0040C Data Test Data Register
*/
#define DTEST_DATA2 0xFFE00408 // Data Test Data Register
#define DTEST_DATA3 0xFFE0040C // Data Test Data Register
*/
#define pIMEM_CONTROL ((volatile unsigned long *)IMEM_CONTROL)
#define pICPLB_STATUS ((volatile unsigned long *)ICPLB_STATUS)
#define pICPLB_FAULT_ADDR ((volatile void **)ICPLB_FAULT_ADDR)
@ -111,12 +100,13 @@
#define pICPLB_DATA14 ((volatile unsigned long *)ICPLB_DATA14)
#define pICPLB_DATA15 ((volatile unsigned long *)ICPLB_DATA15)
#define pITEST_COMMAND ((volatile unsigned long *)ITEST_COMMAND)
/* #define ITEST_INDEX 0xFFE01304 */ /* Instruction Test Index Register */
/*
#define ITEST_INDEX 0xFFE01304 // Instruction Test Index Register
*/
#define pITEST_DATA0 ((volatile unsigned long *)ITEST_DATA0)
#define pITEST_DATA1 ((volatile unsigned long *)ITEST_DATA1)
/* Event/Interrupt Registers */
// Event/Interrupt Registers
#define pEVT0 ((volatile void **)EVT0)
#define pEVT1 ((volatile void **)EVT1)
#define pEVT2 ((volatile void **)EVT2)
@ -137,24 +127,24 @@
#define pIPEND ((volatile unsigned long *)IPEND)
#define pILAT ((volatile unsigned long *)ILAT)
/* Core Timer Registers */
// Core Timer Registers
#define pTCNTL ((volatile unsigned long *)TCNTL)
#define pTPERIOD ((volatile unsigned long *)TPERIOD)
#define pTSCALE ((volatile unsigned long *)TSCALE)
#define pTCOUNT ((volatile unsigned long *)TCOUNT)
/* Debug/MP/Emulation Registers */
// Debug/MP/Emulation Registers
#define pDSPID ((volatile unsigned long *)DSPID)
#define pDBGCTL ((volatile unsigned long *)DBGCTL)
#define pDBGSTAT ((volatile unsigned long *)DBGSTAT)
#define pEMUDAT ((volatile unsigned long *)EMUDAT)
/* Trace Buffer Registers */
// Trace Buffer Registers
#define pTBUFCTL ((volatile unsigned long *)TBUFCTL)
#define pTBUFSTAT ((volatile unsigned long *)TBUFSTAT)
#define pTBUF ((volatile void **)TBUF)
/* Watch Point Control Registers */
// Watch Point Control Registers
#define pWPIACTL ((volatile unsigned long *)WPIACTL)
#define pWPIA0 ((volatile void **)WPIA0)
#define pWPIA1 ((volatile void **)WPIA1)
@ -175,11 +165,13 @@
#define pWPDACNT1 ((volatile unsigned long *)WPDACNT1)
#define pWPSTAT ((volatile unsigned long *)WPSTAT)
/* Performance Monitor Registers */
// Performance Monitor Registers
#define pPFCTL ((volatile unsigned long *)PFCTL)
#define pPFCNTR0 ((volatile unsigned long *)PFCNTR0)
#define pPFCNTR1 ((volatile unsigned long *)PFCNTR1)
/* #define IPRIO 0xFFE02110 */ /* Core Interrupt Priority Register */
/*
#define IPRIO 0xFFE02110 // Core Interrupt Priority Register
*/
#endif /* _CDEF_LPBLACKFIN_H */
#endif /* _CDEF_LPBLACKFIN_H */

4
include/asm-blackfin/cpu/def_LPBlackfin.h → include/asm-blackfin/arch-common/def_LPBlackfin.h
View File

@ -92,13 +92,13 @@
/* ** Masks */
/* Exception cause */
#define SEQSTAT_EXCAUSE MK_BMSK_(SEQSTAT_EXCAUSE0_P ) | \
#define SEQSTAT_EXCAUSE ( MK_BMSK_(SEQSTAT_EXCAUSE0_P ) | \
MK_BMSK_(SEQSTAT_EXCAUSE1_P ) | \
MK_BMSK_(SEQSTAT_EXCAUSE2_P ) | \
MK_BMSK_(SEQSTAT_EXCAUSE3_P ) | \
MK_BMSK_(SEQSTAT_EXCAUSE4_P ) | \
MK_BMSK_(SEQSTAT_EXCAUSE5_P ) | \
0
0 )
/* Indicates whether the last reset was a software reset (=1) */
#define SEQSTAT_SFTRESET MK_BMSK_(SEQSTAT_SFTRESET_P )

42
include/asm-blackfin/bitops.h
View File

@ -59,7 +59,7 @@ static __inline__ unsigned long ffz(unsigned long word)
static __inline__ void set_bit(int nr, volatile void *addr)
{
int *a = (int *) addr;
int *a = (int *)addr;
int mask;
unsigned long flags;
@ -72,7 +72,7 @@ static __inline__ void set_bit(int nr, volatile void *addr)
static __inline__ void __set_bit(int nr, volatile void *addr)
{
int *a = (int *) addr;
int *a = (int *)addr;
int mask;
a += nr >> 5;
@ -88,7 +88,7 @@ static __inline__ void __set_bit(int nr, volatile void *addr)
static __inline__ void clear_bit(int nr, volatile void *addr)
{
int *a = (int *) addr;
int *a = (int *)addr;
int mask;
unsigned long flags;
@ -102,7 +102,7 @@ static __inline__ void clear_bit(int nr, volatile void *addr)
static __inline__ void change_bit(int nr, volatile void *addr)
{
int mask, flags;
unsigned long *ADDR = (unsigned long *) addr;
unsigned long *ADDR = (unsigned long *)addr;
ADDR += nr >> 5;
mask = 1 << (nr & 31);
@ -114,7 +114,7 @@ static __inline__ void change_bit(int nr, volatile void *addr)
static __inline__ void __change_bit(int nr, volatile void *addr)
{
int mask;
unsigned long *ADDR = (unsigned long *) addr;
unsigned long *ADDR = (unsigned long *)addr;
ADDR += nr >> 5;
mask = 1 << (nr & 31);
@ -124,7 +124,7 @@ static __inline__ void __change_bit(int nr, volatile void *addr)
static __inline__ int test_and_set_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
volatile unsigned int *a = (volatile unsigned int *)addr;
unsigned long flags;
a += nr >> 5;
@ -140,7 +140,7 @@ static __inline__ int test_and_set_bit(int nr, volatile void *addr)
static __inline__ int __test_and_set_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
volatile unsigned int *a = (volatile unsigned int *)addr;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
@ -152,7 +152,7 @@ static __inline__ int __test_and_set_bit(int nr, volatile void *addr)
static __inline__ int test_and_clear_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
volatile unsigned int *a = (volatile unsigned int *)addr;
unsigned long flags;
a += nr >> 5;
@ -168,7 +168,7 @@ static __inline__ int test_and_clear_bit(int nr, volatile void *addr)
static __inline__ int __test_and_clear_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
volatile unsigned int *a = (volatile unsigned int *)addr;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
@ -180,7 +180,7 @@ static __inline__ int __test_and_clear_bit(int nr, volatile void *addr)
static __inline__ int test_and_change_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
volatile unsigned int *a = (volatile unsigned int *)addr;
unsigned long flags;
a += nr >> 5;
@ -196,7 +196,7 @@ static __inline__ int test_and_change_bit(int nr, volatile void *addr)
static __inline__ int __test_and_change_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = (volatile unsigned int *) addr;
volatile unsigned int *a = (volatile unsigned int *)addr;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
@ -208,16 +208,15 @@ static __inline__ int __test_and_change_bit(int nr, volatile void *addr)
/*
* This routine doesn't need to be atomic.
*/
static __inline__ int __constant_test_bit(int nr,
const volatile void *addr)
static __inline__ int __constant_test_bit(int nr, const volatile void *addr)
{
return ((1UL << (nr & 31)) &
(((const volatile unsigned int *) addr)[nr >> 5])) != 0;
(((const volatile unsigned int *)addr)[nr >> 5])) != 0;
}
static __inline__ int __test_bit(int nr, volatile void *addr)
{
int *a = (int *) addr;
int *a = (int *)addr;
int mask;
a += nr >> 5;
@ -235,7 +234,7 @@ static __inline__ int __test_bit(int nr, volatile void *addr)
static __inline__ int find_next_zero_bit(void *addr, int size, int offset)
{
unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
unsigned long *p = ((unsigned long *)addr) + (offset >> 5);
unsigned long result = offset & ~31UL;
unsigned long tmp;
@ -290,7 +289,7 @@ static __inline__ int ext2_set_bit(int nr, volatile void *addr)
{
int mask, retval;
unsigned long flags;
volatile unsigned char *ADDR = (unsigned char *) addr;
volatile unsigned char *ADDR = (unsigned char *)addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
@ -305,7 +304,7 @@ static __inline__ int ext2_clear_bit(int nr, volatile void *addr)
{
int mask, retval;
unsigned long flags;
volatile unsigned char *ADDR = (unsigned char *) addr;
volatile unsigned char *ADDR = (unsigned char *)addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
@ -319,7 +318,7 @@ static __inline__ int ext2_clear_bit(int nr, volatile void *addr)
static __inline__ int ext2_test_bit(int nr, const volatile void *addr)
{
int mask;
const volatile unsigned char *ADDR = (const unsigned char *) addr;
const volatile unsigned char *ADDR = (const unsigned char *)addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
@ -331,10 +330,9 @@ static __inline__ int ext2_test_bit(int nr, const volatile void *addr)
static __inline__ unsigned long ext2_find_next_zero_bit(void *addr,
unsigned long size,
unsigned long
offset)
unsigned long offset)
{
unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
unsigned long *p = ((unsigned long *)addr) + (offset >> 5);
unsigned long result = offset & ~31UL;
unsigned long tmp;

20
include/asm-blackfin/blackfin.h
View File

@ -25,22 +25,16 @@
#ifndef _BLACKFIN_H_
#define _BLACKFIN_H_
#include <asm/cpu/defBF533.h>
#include <asm/cpu/bf533_serial.h>
#if !(defined(__ASSEMBLY__) || defined(ASSEMBLY))
# ifdef SHARED_RESOURCES
# include <asm/shared_resources.h>
# endif
#ifndef __ASSEMBLY__
#ifndef ASSEMBLY
# include <linux/types.h>
#ifdef SHARED_RESOURCES
#include <asm/shared_resources.h>
#endif
#include <asm/cpu/cdefBF53x.h>
#endif
extern u_long get_sclk(void);
#endif
#include <asm/cpu/defBF533.h>
#include <asm/cpu/defBF533_extn.h>
#include <asm/cpu/bf533_serial.h>
#include <asm/arch-common/cdefBF5xx.h>
#endif

38
include/asm-blackfin/cplb.h
View File

@ -7,14 +7,15 @@
************************************************************************/
/* Defines necessary for cplb initialisation routines. */
#ifndef _CPLB_H
#define _CPLB_H
#define CONFIG_BLKFIN_WT
#define CPLB_ENABLE_ICACHE_P 0
#define CPLB_ENABLE_DCACHE_P 1
#define CPLB_ENABLE_DCACHE2_P 2
#define CPLB_ENABLE_CPLBS_P 3 /* Deprecated!*/
#define CPLB_ENABLE_CPLBS_P 3 /* Deprecated! */
#define CPLB_ENABLE_ICPLBS_P 4
#define CPLB_ENABLE_DCPLBS_P 5
@ -45,4 +46,35 @@
#define CPLB_INOCACHE CPLB_USER_RD | CPLB_VALID
#define CPLB_IDOCACHE CPLB_INOCACHE | CPLB_L1_CHBL
#endif /* _CPLB_H */
/* Data Attibutes*/
#define SDRAM_IGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
#define SDRAM_IKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define L1_IMEMORY (PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define SDRAM_INON_CHBL (PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
/*Use the menuconfig cache policy here - CONFIG_BLKFIN_WT/CONFIG_BLKFIN_WB*/
#define ANOMALY_05000158 0x200
#ifdef CONFIG_BLKFIN_WB /*Write Back Policy */
#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_USER_WR | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
#define L1_DMEMORY (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_EBIU (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
#else /*Write Through */
#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
#define L1_DMEMORY (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_L1_AOW | CPLB_WT | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_EBIU (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
#endif
#if defined(CONFIG_BF561)
#define page_descriptor_table_size (CONFIG_MEM_SIZE/4 + 2) /* SDRAM +L1 + ASYNC_Memory */
#else
#define page_descriptor_table_size (CONFIG_MEM_SIZE/4 + 1 + 3) /* SDRAM + L1 + ASYNC_Memory */
#endif
#endif /* _CPLB_H */

572
include/asm-blackfin/cplbtab.h
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@ -1,572 +0,0 @@
/*This file is subject to the terms and conditions of the GNU General Public
* License.
*
* Blackfin BF533/2.6 support : LG Soft India
* Updated : Ashutosh Singh / Jahid Khan : Rrap Software Pvt Ltd
* Updated : 1. SDRAM_KERNEL, SDRAM_DKENEL are added as initial cplb's
* shouldn't be victimized. cplbmgr.S search logic is corrected
* to findout the appropriate victim.
* 2. SDRAM_IGENERIC in dpdt_table is replaced with SDRAM_DGENERIC
* : LG Soft India
*/
#include <config.h>
#ifndef __ARCH_BFINNOMMU_CPLBTAB_H
#define __ARCH_BFINNOMMU_CPLBTAB_H
/*************************************************************************
* ICPLB TABLE
*************************************************************************/
.data
/* This table is configurable */
.align 4;
/* Data Attibutes*/
#define SDRAM_IGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
#define SDRAM_IKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define L1_IMEMORY (PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define SDRAM_INON_CHBL (PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
/*Use the menuconfig cache policy here - CONFIG_BLKFIN_WT/CONFIG_BLKFIN_WB*/
#define ANOMALY_05000158 0x200
#ifdef CONFIG_BLKFIN_WB /*Write Back Policy */
#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_USER_WR | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
#define L1_DMEMORY (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_EBIU (PAGE_SIZE_1MB | CPLB_DIRTY | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
#else /*Write Through*/
#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
#define L1_DMEMORY (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_L1_AOW | CPLB_WT | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
#define SDRAM_EBIU (PAGE_SIZE_1MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
#endif
.global icplb_table
icplb_table:
.byte4 0xFFA00000;
.byte4 (L1_IMEMORY);
.byte4 0x00000000;
.byte4 (SDRAM_IKERNEL); /*SDRAM_Page1*/
.byte4 0x00400000;
.byte4 (SDRAM_IKERNEL); /*SDRAM_Page1*/
.byte4 0x07C00000;
.byte4 (SDRAM_IKERNEL); /*SDRAM_Page14*/
.byte4 0x00800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page2*/
.byte4 0x00C00000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page2*/
.byte4 0x01000000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page4*/
.byte4 0x01400000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page5*/
.byte4 0x01800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page6*/
.byte4 0x01C00000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page7*/
#ifndef CONFIG_EZKIT /*STAMP Memory regions*/
.byte4 0x02000000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page8*/
.byte4 0x02400000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page9*/
.byte4 0x02800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page10*/
.byte4 0x02C00000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page11*/
.byte4 0x03000000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page12*/
.byte4 0x03400000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page13*/
#endif
.byte4 0xffffffff; /* end of section - termination*/
.align 4;
.global ipdt_table
ipdt_table:
#ifdef CONFIG_CPLB_INFO
.byte4 0x00000000;
.byte4 (SDRAM_IKERNEL); /*SDRAM_Page0*/
.byte4 0x00400000;
.byte4 (SDRAM_IKERNEL); /*SDRAM_Page1*/
#endif
.byte4 0x00800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page2*/
.byte4 0x00C00000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page3*/
.byte4 0x01000000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page4*/
.byte4 0x01400000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page5*/
.byte4 0x01800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page6*/
.byte4 0x01C00000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page7*/
#ifndef CONFIG_EZKIT /*STAMP Memory regions*/
.byte4 0x02000000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page8*/
.byte4 0x02400000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page9*/
.byte4 0x02800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page10*/
.byte4 0x02C00000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page11*/
.byte4 0x03000000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page12*/
.byte4 0x03400000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page13*/
.byte4 0x03800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page14*/
.byte4 0x03C00000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page15*/
#endif
.byte4 0x20200000;
.byte4 (SDRAM_EBIU); /* Async Memory Bank 2 (Secnd)*/
.byte4 0x20100000;
.byte4 (SDRAM_EBIU); /* Async Memory Bank 1 (Prim B)*/
.byte4 0x20000000;
.byte4 (SDRAM_EBIU); /* Async Memory Bank 0 (Prim A)*/
.byte4 0x20300000; /*Fix for Network*/
.byte4 (SDRAM_EBIU); /*Async Memory bank 3*/
#ifdef CONFIG_STAMP
.byte4 0x04000000;
.byte4 (SDRAM_IGENERIC);
.byte4 0x04400000;
.byte4 (SDRAM_IGENERIC);
.byte4 0x04800000;
.byte4 (SDRAM_IGENERIC);
.byte4 0x04C00000;
.byte4 (SDRAM_IGENERIC);
.byte4 0x05000000;
.byte4 (SDRAM_IGENERIC);
.byte4 0x05400000;
.byte4 (SDRAM_IGENERIC);
.byte4 0x05800000;
.byte4 (SDRAM_IGENERIC);
.byte4 0x05C00000;
.byte4 (SDRAM_IGENERIC);
.byte4 0x06000000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page25*/
.byte4 0x06400000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page26*/
.byte4 0x06800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page27*/
.byte4 0x06C00000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page28*/
.byte4 0x07000000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page29*/
.byte4 0x07400000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page30*/
.byte4 0x07800000;
.byte4 (SDRAM_IGENERIC); /*SDRAM_Page31*/
#ifdef CONFIG_CPLB_INFO
.byte4 0x07C00000;
.byte4 (SDRAM_IKERNEL); /*SDRAM_Page32*/
#endif
#endif
.byte4 0xffffffff; /* end of section - termination*/
/*********************************************************************
* DCPLB TABLE
********************************************************************/
.global dcplb_table
dcplb_table:
.byte4 0x00000000;
.byte4 (SDRAM_DKERNEL); /*SDRAM_Page1*/
.byte4 0x00400000;
.byte4 (SDRAM_DKERNEL); /*SDRAM_Page1*/
.byte4 0x07C00000;
.byte4 (SDRAM_DKERNEL); /*SDRAM_Page15*/
.byte4 0x00800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page2*/
.byte4 0x00C00000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page3*/
.byte4 0x01000000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page4*/
.byte4 0x01400000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page5*/
.byte4 0x01800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page6*/
.byte4 0x01C00000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page7*/
#ifndef CONFIG_EZKIT
.byte4 0x02000000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page8*/
.byte4 0x02400000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page9*/
.byte4 0x02800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page10*/
.byte4 0x02C00000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page11*/
.byte4 0x03000000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page12*/
.byte4 0x03400000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page13*/
.byte4 0x03800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page14*/
#endif
.byte4 0xffffffff; /*end of section - termination*/
/**********************************************************************
* PAGE DESCRIPTOR TABLE
*
**********************************************************************/
/* Till here we are discussing about the static memory management model.
* However, the operating envoronments commonly define more CPLB
* descriptors to cover the entire addressable memory than will fit into
* the available on-chip 16 CPLB MMRs. When this happens, the below table
* will be used which will hold all the potentially required CPLB descriptors
*
* This is how Page descriptor Table is implemented in uClinux/Blackfin.
*/
.global dpdt_table
dpdt_table:
#ifdef CONFIG_CPLB_INFO
.byte4 0x00000000;
.byte4 (SDRAM_DKERNEL); /*SDRAM_Page0*/
.byte4 0x00400000;
.byte4 (SDRAM_DKERNEL); /*SDRAM_Page1*/
#endif
.byte4 0x00800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page2*/
.byte4 0x00C00000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page3*/
.byte4 0x01000000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page4*/
.byte4 0x01400000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page5*/
.byte4 0x01800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page6*/
.byte4 0x01C00000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page7*/
#ifndef CONFIG_EZKIT
.byte4 0x02000000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page8*/
.byte4 0x02400000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page9*/
.byte4 0x02800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page10*/
.byte4 0x02C00000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page11*/
.byte4 0x03000000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page12*/
.byte4 0x03400000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page13*/
.byte4 0x03800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page14*/
.byte4 0x03C00000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page15*/
#endif
.byte4 0x20200000;
.byte4 (SDRAM_EBIU); /* Async Memory Bank 2 (Secnd)*/
.byte4 0x20100000;
.byte4 (SDRAM_EBIU); /* Async Memory Bank 1 (Prim B)*/
.byte4 0x20000000;
.byte4 (SDRAM_EBIU); /* Async Memory Bank 0 (Prim A)*/
.byte4 0x20300000; /*Fix for Network*/
.byte4 (SDRAM_EBIU); /*Async Memory bank 3*/
#ifdef CONFIG_STAMP
.byte4 0x04000000;
.byte4 (SDRAM_DGENERIC);
.byte4 0x04400000;
.byte4 (SDRAM_DGENERIC);
.byte4 0x04800000;
.byte4 (SDRAM_DGENERIC);
.byte4 0x04C00000;
.byte4 (SDRAM_DGENERIC);
.byte4 0x05000000;
.byte4 (SDRAM_DGENERIC);
.byte4 0x05400000;
.byte4 (SDRAM_DGENERIC);
.byte4 0x05800000;
.byte4 (SDRAM_DGENERIC);
.byte4 0x05C00000;
.byte4 (SDRAM_DGENERIC);
.byte4 0x06000000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page25*/
.byte4 0x06400000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page26*/
.byte4 0x06800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page27*/
.byte4 0x06C00000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page28*/
.byte4 0x07000000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page29*/
.byte4 0x07400000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page30*/
.byte4 0x07800000;
.byte4 (SDRAM_DGENERIC); /*SDRAM_Page31*/
#ifdef CONFIG_CPLB_INFO
.byte4 0x07C00000;
.byte4 (SDRAM_DKERNEL); /*SDRAM_Page32*/
#endif
#endif
.byte4 0xFF900000;
.byte4 (L1_DMEMORY);
.byte4 0xFF901000;
.byte4 (L1_DMEMORY);
.byte4 0xFF902000;
.byte4 (L1_DMEMORY);
.byte4 0xFF903000;
.byte4 (L1_DMEMORY);
.byte4 0xFF904000;
.byte4 (L1_DMEMORY);
.byte4 0xFF905000;
.byte4 (L1_DMEMORY);
.byte4 0xFF906000;
.byte4 (L1_DMEMORY);
.byte4 0xFF907000;
.byte4 (L1_DMEMORY);
.byte4 0xFF800000;
.byte4 (L1_DMEMORY);
.byte4 0xFF801000;
.byte4 (L1_DMEMORY);
.byte4 0xFF802000;
.byte4 (L1_DMEMORY);
.byte4 0xFF803000;
.byte4 (L1_DMEMORY);
.byte4 0xffffffff; /*end of section - termination*/
#ifdef CONFIG_CPLB_INFO
.global ipdt_swapcount_table; /* swapin count first, then swapout count*/
ipdt_swapcount_table:
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 10 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 20 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 30 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 40 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 50 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 60 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 70 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 80 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 90 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 100 */
.global dpdt_swapcount_table; /* swapin count first, then swapout count*/
dpdt_swapcount_table:
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 10 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 20 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 30 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 40 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 50 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 60 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 70 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 80 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 80 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 100 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 110 */
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000;
.byte4 0x00000000; /* 120 */
#endif
#endif /*__ARCH_BFINNOMMU_CPLBTAB_H*/

32
include/asm-blackfin/cpu/cdefBF53x.h
View File

@ -1,32 +0,0 @@
/************************************************************************
*
* cdefBF53x.h
*
* (c) Copyright 2002-2003 Analog Devices, Inc. All rights reserved.
*
************************************************************************/
#ifndef _CDEFBF53x_H
#define _CDEFBF53x_H
#if defined(__ADSPBF531__)
#include <asm/cpu/cdefBF531.h>
#elif defined(__ADSPBF532__)
#include <asm/cpu/cdefBF532.h>
#elif defined(__ADSPBF533__)
#include <asm/cpu/cdefBF533.h>
#elif defined(__ADSPBF561__)
#include <asm/cpu/cdefBF561.h>
#elif defined(__ADSPBF535__)
#include <asm/cpu/cdefBF535.h>
#elif defined(__AD6532__)
#include <sam/cpu/cdefAD6532.h>
#else
#if defined(__ADSPLPBLACKFIN__)
#include <asm/cpu/cdefBF532.h>
#else
#include <asm/cpu/cdefBF535.h>
#endif
#endif
#endif /* _CDEFBF53x_H */

6
include/asm-blackfin/delay.h
View File

@ -35,9 +35,9 @@
extern __inline__ void __delay(unsigned long loops)
{
__asm__ __volatile__("1:\t%0 += -1;\n\t"
"cc = %0 == 0;\n\t"
"if ! cc jump 1b;\n":"=d"(loops)
:"0"(loops));
"cc = %0 == 0;\n\t"
"if ! cc jump 1b;\n":"=d"(loops)
:"0"(loops));
}
/*

6
include/asm-blackfin/entry.h
View File

@ -370,16 +370,12 @@
#define STR1(X) #X
#if defined(NEW_PT_REGS)
#define PT_OFF_ORIG_R0 208
#define PT_OFF_SR 8
#else
#define PT_OFF_ORIG_R0 0x54
#define PT_OFF_SR 0x38 /* seqstat in pt_regs */
#endif
#endif
#endif
#endif

13
include/asm-blackfin/global_data.h
View File

@ -45,11 +45,16 @@ typedef struct global_data {
unsigned long board_type;
unsigned long baudrate;
unsigned long have_console; /* serial_init() was called */
unsigned long ram_size; /* RAM size */
unsigned long ram_size; /* RAM size */
unsigned long reloc_off; /* Relocation Offset */
unsigned long env_addr; /* Address of Environment struct */
unsigned long env_addr; /* Address of Environment struct */
unsigned long env_valid; /* Checksum of Environment valid? */
void **jt; /* jump table */
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
unsigned long post_log_word; /* Record POST activities */
unsigned long post_init_f_time; /* When post_init_f started */
#endif
void **jt; /* jump table */
} gd_t;
/*
@ -59,6 +64,6 @@ typedef struct global_data {
#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
#define GD_FLG_SILENT 0x00004 /* Silent mode */
#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("P5")
#define DECLARE_GLOBAL_DATA_PTR register gd_t * volatile gd asm ("P5")
#endif

10
include/asm-blackfin/hw_irq.h
View File

@ -30,8 +30,14 @@
#include <linux/config.h>
#ifdef CONFIG_EZKIT533
#include <asm/board/bf533_irq.h>
#include <asm/arch-bf533/irq.h>
#endif
#ifdef CONFIG_EZKIT561
#include <asm/arch-bf561/irq.h>
#endif
#ifdef CONFIG_STAMP
#include <asm/board/bf533_irq.h>
#include <asm/arch-bf533/irq.h>
#endif
#ifdef CONFIG_BF537
#include <asm/arch-bf537/irq.h>
#endif

9
include/asm-blackfin/io-kernel.h
View File

@ -87,7 +87,8 @@
#define IOMAP_WRITETHROUGH 3
#ifndef __ASSEMBLY__
extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
extern void *__ioremap(unsigned long physaddr, unsigned long size,
int cacheflag);
extern void __iounmap(void *addr, unsigned long size);
extern inline void *ioremap(unsigned long physaddr, unsigned long size)
{
@ -97,11 +98,13 @@ extern inline void *ioremap_nocache(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}
extern inline void *ioremap_writethrough(unsigned long physaddr, unsigned long size)
extern inline void *ioremap_writethrough(unsigned long physaddr,
unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
}
extern inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size)
extern inline void *ioremap_fullcache(unsigned long physaddr,
unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
}

15
include/asm-blackfin/io.h
View File

@ -25,11 +25,6 @@
#ifndef _BLACKFIN_IO_H
#define _BLACKFIN_IO_H
static inline void sync(void)
{
__asm__ __volatile__ asm("ssync" : : : "memory");
}
#ifdef __KERNEL__
#include <linux/config.h>
@ -38,7 +33,11 @@ static inline void sync(void)
extern void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words);
extern void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words);
extern unsigned char cf_inb(volatile unsigned char *addr);
extern void cf_outb(unsigned char val, volatile unsigned char* addr);
extern void cf_outb(unsigned char val, volatile unsigned char *addr);
static inline void sync(void)
{
}
/*
* These are for ISA/PCI shared memory _only_ and should never be used
@ -51,7 +50,6 @@ extern void cf_outb(unsigned char val, volatile unsigned char* addr);
* memory location directly.
*/
#define readb(addr) ({ unsigned char __v = (*(volatile unsigned char *) (addr));asm("ssync;"); __v; })
#define readw(addr) ({ unsigned short __v = (*(volatile unsigned short *) (addr)); asm("ssync;");__v; })
#define readl(addr) ({ unsigned int __v = (*(volatile unsigned int *) (addr));asm("ssync;"); __v; })
@ -100,8 +98,7 @@ extern inline void *ioremap(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}
extern inline void *ioremap_nocache(unsigned long physaddr,
unsigned long size)
extern inline void *ioremap_nocache(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}

6
include/asm-blackfin/irq.h
View File

@ -39,7 +39,7 @@
#define _BLACKFIN_IRQ_H_
#include <linux/config.h>
#include <asm/cpu/bf533_irq.h>
#include <asm/hw_irq.h>
/*
* On the Blackfin, the interrupt structure allows remmapping of the hardware
@ -85,8 +85,8 @@ static __inline__ int irq_cannonicalize(int irq)
extern void (*mach_enable_irq) (unsigned int);
extern void (*mach_disable_irq) (unsigned int);
extern int sys_request_irq(unsigned int,
void (*)(int, void *, struct pt_regs *),
unsigned long, const char *, void *);
void (*)(int, void *, struct pt_regs *),
unsigned long, const char *, void *);
extern void sys_free_irq(unsigned int, void *);
/*

3
include/asm-blackfin/machdep.h
View File

@ -39,7 +39,8 @@ struct hwclk_time;
struct gendisk;
struct buffer_head;
extern void (*mach_sched_init) (void (*handler) (int, void *, struct pt_regs *));
extern
void (*mach_sched_init) (void (*handler) (int, void *, struct pt_regs *));
/* machine dependent keyboard functions */
extern int (*mach_keyb_init) (void);

38
include/asm-blackfin/mem_init.h
View File

@ -22,7 +22,13 @@
* MA 02111-1307 USA
*/
#if ( CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E )
#if (CONFIG_MEM_MT48LC16M16A2TG_75 || \
CONFIG_MEM_MT48LC64M4A2FB_7E || \
CONFIG_MEM_MT48LC16M8A2TG_75 || \
CONFIG_MEM_MT48LC8M16A2TG_7E || \
CONFIG_MEM_MT48LC8M32B2B5_7 || \
CONFIG_MEM_MT48LC32M8A2_75)
#if ( CONFIG_SCLK_HZ > 119402985 )
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
@ -66,7 +72,7 @@
#if ( CONFIG_SCLK_HZ > 59701493 ) && ( CONFIG_SCLK_HZ <= 66666667 )
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_4
#define SDRAM_tRAS TRAS_3
#define SDRAM_tRAS_num 3
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
@ -111,6 +117,34 @@
#define SDRAM_CL CL_2
#endif
#if (CONFIG_MEM_MT48LC16M8A2TG_75)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if (CONFIG_MEM_MT48LC32M8A2_75)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if (CONFIG_MEM_MT48LC8M16A2TG_7E)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_2
#endif
#if (CONFIG_MEM_MT48LC8M32B2B5_7)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if ( CONFIG_MEM_SIZE == 128 )
#define SDRAM_SIZE EBSZ_128
#endif

5
include/asm-blackfin/page.h
View File

@ -112,11 +112,6 @@ extern __inline__ int get_order(unsigned long size)
#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
#define VALID_PAGE(page) ((page - mem_map) < max_mapnr)
#define BUG() do { \
\
while (1); /* dead-loop */ \
} while (0)
#define PAGE_BUG(page) do { \
BUG(); \
} while (0)

3
include/asm-blackfin/processor.h
View File

@ -126,8 +126,7 @@ static inline void release_thread(struct task_struct *dead_task)
{
}
extern int kernel_thread(int (*fn) (void *), void *arg,
unsigned long flags);
extern int kernel_thread(int (*fn) (void *), void *arg, unsigned long flags);
#define copy_segments(tsk, mm) do { } while (0)
#define release_segments(mm) do { } while (0)

3
include/asm-blackfin/setup.h
View File

@ -75,12 +75,13 @@ extern unsigned long vme_brdtype;
extern int blackfin_num_memory; /* # of memory blocks found (and used) */
extern int blackfin_realnum_memory; /* real # of memory blocks found */
extern struct mem_info blackfin_memory[NUM_MEMINFO]; /* memory description */
struct mem_info {
unsigned long addr; /* physical address of memory chunk */
unsigned long size; /* length of memory chunk (in bytes) */
};
extern struct mem_info blackfin_memory[NUM_MEMINFO]; /* memory description */
#endif
#endif

9
include/asm-blackfin/string.h
View File

@ -31,21 +31,26 @@
#include <asm/setup.h>
#include <asm/page.h>
#include <asm/cpu/defBF533.h>
#include <config.h>
#include <asm/blackfin.h>
#define __HAVE_ARCH_STRCPY
#define __HAVE_ARCH_STRNCPY
#define __HAVE_ARCH_STRCMP
#define __HAVE_ARCH_STRNCMP
#define __HAVE_ARCH_MEMCPY
#define __HAVE_ARCH_MEMCMP
#define __HAVE_ARCH_MEMSET
#define __HAVE_ARCH_MEMMOVE
extern char *strcpy(char *dest, const char *src);
extern char *strncpy(char *dest, const char *src, size_t n);
extern int strcmp(const char *cs, const char *ct);
extern int strncmp(const char *cs, const char *ct, size_t count);
extern void * memcpy(void * dest,const void *src,size_t count);
extern void *memcpy(void *dest, const void *src, size_t count);
extern void *memset(void *s, int c, size_t count);
extern int memcmp(const void *, const void *, __kernel_size_t);
extern void *memmove(void *dest, const void *src, size_t count);
#else /* KERNEL */

2
include/asm-blackfin/u-boot.h
View File

@ -29,7 +29,7 @@
#define _U_BOOT_H_ 1
typedef struct bd_info {
int bi_baudrate; /* serial console baudrate */
int bi_baudrate; /* serial console baudrate */
unsigned long bi_ip_addr; /* IP Address */
unsigned char bi_enetaddr[6]; /* Ethernet adress */
unsigned long bi_arch_number; /* unique id for this board */

10
include/asm-blackfin/uaccess.h
View File

@ -41,11 +41,10 @@
/* We let the MMU do all checking */
static inline int access_ok(int type, const void *addr, unsigned long size)
{
return ((unsigned long) addr < 0x10f00000); /* need final decision - Tony */
return ((unsigned long)addr < 0x10f00000); /* need final decision - Tony */
}
static inline int verify_area(int type, const void *addr,
unsigned long size)
static inline int verify_area(int type, const void *addr, unsigned long size)
{
return access_ok(type, addr, size) ? 0 : -EFAULT;
}
@ -173,12 +172,11 @@ static inline int bad_user_access_length(void)
* Copy a null terminated string from userspace.
*/
static inline long strncpy_from_user(char *dst, const char *src,
long count)
static inline long strncpy_from_user(char *dst, const char *src, long count)
{
char *tmp;
strncpy(dst, src, count);
for (tmp = dst; *tmp && count > 0; tmp++, count--);
for (tmp = dst; *tmp && count > 0; tmp++, count--) ;
return (tmp - dst); /* DAVIDM should we count a NUL ? check getname */
}

228
include/configs/bf533-ezkit.h Normal file
View File

@ -0,0 +1,228 @@
/*
* U-boot - Configuration file for BF533 EZKIT board
*/
#ifndef __CONFIG_EZKIT533_H__
#define __CONFIG_EZKIT533_H__
#define CONFIG_BAUDRATE 57600
#define CONFIG_STAMP 1
#define CONFIG_BOOTDELAY 5
#define CFG_AUTOLOAD "no" /*rarpb, bootp or dhcp commands will perform only a */
#define CFG_LONGHELP 1
#define CONFIG_CMDLINE_EDITING 1
#define CONFIG_LOADADDR 0x01000000 /* default load address */
#define CONFIG_BOOTCOMMAND "tftp $(loadaddr) linux"
//#define CONFIG_BOOTARGS "root=/dev/mtdblock0 rw"
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x20310300
#if 0
#define CONFIG_MII
#define CFG_DISCOVER_PHY
#endif
#define CONFIG_RTC_BFIN 1
#define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */
/*
* Boot Mode Set
* Blackfin can support several boot modes
*/
#define BF533_BYPASS_BOOT 0x0001 /* Bootmode 0: Execute from 16-bit externeal memory ( bypass BOOT ROM) */
#define BF533_PARA_BOOT 0x0002 /* Bootmode 1: Boot from 8-bit or 16-bit flash */
#define BF533_SPI_BOOT 0x0004 /* Bootmode 3: Boot from SPI flash */
/* Define the boot mode */
#define BFIN_BOOT_MODE BF533_BYPASS_BOOT
//#define BFIN_BOOT_MODE BF533_SPI_BOOT
#define CONFIG_PANIC_HANG 1
#define ADSP_BF531 0x31
#define ADSP_BF532 0x32
#define ADSP_BF533 0x33
#define BFIN_CPU ADSP_BF533
/* This sets the default state of the cache on U-Boot's boot */
#define CONFIG_ICACHE_ON
#define CONFIG_DCACHE_ON
/* Define where the uboot will be loaded by on-chip boot rom */
#define APP_ENTRY 0x00001000
/* CONFIG_CLKIN_HZ is any value in Hz */
#define CONFIG_CLKIN_HZ 27000000
/* CONFIG_CLKIN_HALF controls what is passed to PLL 0=CLKIN */
/* 1=CLKIN/2 */
#define CONFIG_CLKIN_HALF 0
/* CONFIG_PLL_BYPASS controls if the PLL is used 0=don't bypass */
/* 1=bypass PLL */
#define CONFIG_PLL_BYPASS 0
/* CONFIG_VCO_MULT controls what the multiplier of the PLL is. */
/* Values can range from 1-64 */
#define CONFIG_VCO_MULT 22
/* CONFIG_CCLK_DIV controls what the core clock divider is */
/* Values can be 1, 2, 4, or 8 ONLY */
#define CONFIG_CCLK_DIV 1
/* CONFIG_SCLK_DIV controls what the peripheral clock divider is */
/* Values can range from 1-15 */
#define CONFIG_SCLK_DIV 5
/* CONFIG_SPI_BAUD controls the SPI peripheral clock divider */
/* Values can range from 2-65535 */
/* SCK Frequency = SCLK / (2 * CONFIG_SPI_BAUD) */
#define CONFIG_SPI_BAUD 2
#define CONFIG_SPI_BAUD_INITBLOCK 4
#if ( CONFIG_CLKIN_HALF == 0 )
#define CONFIG_VCO_HZ ( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT )
#else
#define CONFIG_VCO_HZ (( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT ) / 2 )
#endif
#if (CONFIG_PLL_BYPASS == 0)
#define CONFIG_CCLK_HZ ( CONFIG_VCO_HZ / CONFIG_CCLK_DIV )
#define CONFIG_SCLK_HZ ( CONFIG_VCO_HZ / CONFIG_SCLK_DIV )
#else
#define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
#define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
#endif
#define CONFIG_MEM_SIZE 32 /* 128, 64, 32, 16 */
#define CONFIG_MEM_ADD_WDTH 9 /* 8, 9, 10, 11 */
#define CONFIG_MEM_MT48LC16M16A2TG_75 1
#define CONFIG_LOADS_ECHO 1
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
CFG_CMD_PING | \
CFG_CMD_ELF | \
CFG_CMD_I2C | \
CFG_CMD_JFFS2 | \
CFG_CMD_DATE)
#define CONFIG_BOOTARGS "root=/dev/mtdblock0 ip=192.168.0.15:192.168.0.2:192.168.0.1:255.255.255.0:ezkit:eth0:off console=ttyBF0,57600"
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CFG_PROMPT "ezkit> " /* Monitor Command Prompt */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x00000000 /* memtest works on */
#define CFG_MEMTEST_END ( (CONFIG_MEM_SIZE - 1) * 1024 * 1024) /* 1 ... 31 MB in DRAM */
#define CFG_LOAD_ADDR 0x01000000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 10 ms ticks */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CFG_SDRAM_BASE 0x00000000
#define CFG_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
#define CFG_FLASH_BASE 0x20000000
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
#define CFG_GBL_DATA_SIZE 0x4000
#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
#define CFG_FLASH0_BASE 0x20000000
#define CFG_FLASH1_BASE 0x20200000
#define CFG_FLASH2_BASE 0x20280000
#define CFG_MAX_FLASH_BANKS 3 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 40 /* max number of sectors on one chip */
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR 0x20020000
#define CFG_ENV_SECT_SIZE 0x10000 /* Total Size of Environment Sector */
/* JFFS Partition offset set */
#define CFG_JFFS2_FIRST_BANK 0
#define CFG_JFFS2_NUM_BANKS 1
/* 512k reserved for u-boot */
#define CFG_JFFS2_FIRST_SECTOR 11
/*
* Stack sizes
*/
#define CONFIG_STACKSIZE (128*1024) /* regular stack */
#define POLL_MODE 1
#define FLASH_TOT_SECT 40
#define FLASH_SIZE 0x220000
#define CFG_FLASH_SIZE 0x220000
/*
* Initialize PSD4256 registers for using I2C
*/
#define CONFIG_MISC_INIT_R
/*
* I2C settings
* By default PF1 is used as SDA and PF0 as SCL on the Stamp board
*/
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
/*
* Software (bit-bang) I2C driver configuration
*/
#define PF_SCL PF0
#define PF_SDA PF1
#define I2C_INIT (*pFIO_DIR |= PF_SCL); asm("ssync;")
#define I2C_ACTIVE (*pFIO_DIR |= PF_SDA); *pFIO_INEN &= ~PF_SDA; asm("ssync;")
#define I2C_TRISTATE (*pFIO_DIR &= ~PF_SDA); *pFIO_INEN |= PF_SDA; asm("ssync;")
#define I2C_READ ((volatile)(*pFIO_FLAG_D & PF_SDA) != 0); asm("ssync;")
#define I2C_SDA(bit) if(bit) { \
*pFIO_FLAG_S = PF_SDA; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SDA; \
asm("ssync;"); \
}
#define I2C_SCL(bit) if(bit) { \
*pFIO_FLAG_S = PF_SCL; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SCL; \
asm("ssync;"); \
}
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
#define CFG_I2C_SPEED 50000
#define CFG_I2C_SLAVE 0xFE
#define CFG_BOOTM_LEN 0x4000000 /* Large Image Length, set to 64 Meg */
/* 0xFF, 0x7BB07BB0, 0x22547BB0 */
/* #define AMGCTLVAL (AMBEN_P0 | AMBEN_P1 | AMBEN_P2 | AMCKEN)
#define AMBCTL0VAL (B1WAT_7 | B1RAT_11 | B1HT_2 | B1ST_3 | B1TT_4 | ~B1RDYPOL | \
~B1RDYEN | B0WAT_7 | B0RAT_11 | B0HT_2 | B0ST_3 | B0TT_4 | ~B0RDYPOL | ~B0RDYEN)
#define AMBCTL1VAL (B3WAT_2 | B3RAT_2 | B3HT_1 | B3ST_1 | B3TT_4 | B3RDYPOL | ~B3RDYEN | \
B2WAT_7 | B2RAT_11 | B2HT_2 | B2ST_3 | B2TT_4 | ~B2RDYPOL | ~B2RDYEN)
*/
#define AMGCTLVAL 0xFF
#define AMBCTL0VAL 0x7BB07BB0
#define AMBCTL1VAL 0xFFC27BB0
#define CONFIG_VDSP 1
#ifdef CONFIG_VDSP
#define ET_EXEC_VDSP 0x8
#define SHT_STRTAB_VDSP 0x1
#define ELFSHDRSIZE_VDSP 0x2C
#define VDSP_ENTRY_ADDR 0xFFA00000
#endif
#endif

475
include/configs/bf533-stamp.h Normal file
View File

@ -0,0 +1,475 @@
/*
* U-boot - Configuration file for BF533 STAMP board
*/
#ifndef __CONFIG_STAMP_H__
#define __CONFIG_STAMP_H__
#define CONFIG_STAMP 1
#define CONFIG_RTC_BFIN 1
#define CONFIG_BF533 1
/*
* Boot Mode Set
* Blackfin can support several boot modes
*/
#define BF533_BYPASS_BOOT 0x0001 /* Bootmode 0: Execute from 16-bit externeal memory ( bypass BOOT ROM) */
#define BF533_PARA_BOOT 0x0002 /* Bootmode 1: Boot from 8-bit or 16-bit flash */
#define BF533_SPI_BOOT 0x0004 /* Bootmode 3: Boot from SPI flash */
/* Define the boot mode */
#define BFIN_BOOT_MODE BF533_BYPASS_BOOT
//#define BFIN_BOOT_MODE BF533_SPI_BOOT
#define CONFIG_PANIC_HANG 1
#define ADSP_BF531 0x31
#define ADSP_BF532 0x32
#define ADSP_BF533 0x33
#define BFIN_CPU ADSP_BF533
/* This sets the default state of the cache on U-Boot's boot */
#define CONFIG_ICACHE_ON
#define CONFIG_DCACHE_ON
/* Define where the uboot will be loaded by on-chip boot rom */
#define APP_ENTRY 0x00001000
/*
* Stringize definitions - needed for environmental settings
*/
#define STRINGIZE2(x) #x
#define STRINGIZE(x) STRINGIZE2(x)
/*
* Board settings
*
*/
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x20300300
/* FLASH/ETHERNET uses the same address range */
#define SHARED_RESOURCES 1
/* Is I2C bit-banged? */
#define CONFIG_SOFT_I2C 1
/*
* Software (bit-bang) I2C driver configuration
*/
#define PF_SCL PF3
#define PF_SDA PF2
/*
* Video splash screen support
*/
#define CONFIG_VIDEO 0
#define CONFIG_VDSP 1
/*
* Clock settings
*
*/
/* CONFIG_CLKIN_HZ is any value in Hz */
#define CONFIG_CLKIN_HZ 11059200
/* CONFIG_CLKIN_HALF controls what is passed to PLL 0=CLKIN */
/* 1=CLKIN/2 */
#define CONFIG_CLKIN_HALF 0
/* CONFIG_PLL_BYPASS controls if the PLL is used 0=don't bypass */
/* 1=bypass PLL */
#define CONFIG_PLL_BYPASS 0
/* CONFIG_VCO_MULT controls what the multiplier of the PLL is. */
/* Values can range from 1-64 */
#define CONFIG_VCO_MULT 36
/* CONFIG_CCLK_DIV controls what the core clock divider is */
/* Values can be 1, 2, 4, or 8 ONLY */
#define CONFIG_CCLK_DIV 1
/* CONFIG_SCLK_DIV controls what the peripheral clock divider is */
/* Values can range from 1-15 */
#define CONFIG_SCLK_DIV 5
/* CONFIG_SPI_BAUD controls the SPI peripheral clock divider */
/* Values can range from 2-65535 */
/* SCK Frequency = SCLK / (2 * CONFIG_SPI_BAUD) */
#define CONFIG_SPI_BAUD 2
#if (BFIN_BOOT_MODE == BF533_SPI_BOOT)
#define CONFIG_SPI_BAUD_INITBLOCK 4
#endif
/*
* Network settings
*
*/
#if (CONFIG_DRIVER_SMC91111)
#if 0
#define CONFIG_MII
#endif
/* network support */
#define CONFIG_IPADDR 192.168.0.15
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.2
#define CONFIG_HOSTNAME STAMP
#define CONFIG_ROOTPATH /checkout/uClinux-dist/romfs
/* To remove hardcoding and enable MAC storage in EEPROM */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:b8 */
#endif /* CONFIG_DRIVER_SMC91111 */
/*
* Flash settings
*
*/
#define CFG_FLASH_CFI /* The flash is CFI compatible */
#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
#define CFG_FLASH_CFI_AMD_RESET
#define CFG_FLASH_BASE 0x20000000
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
#if (BFIN_BOOT_MODE == BF533_BYPASS_BOOT)
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR 0x20004000
#define CFG_ENV_OFFSET (CFG_ENV_ADDR - CFG_FLASH_BASE)
#elif (BFIN_BOOT_MODE == BF533_SPI_BOOT)
#define CFG_ENV_IS_IN_EEPROM 1
#define CFG_ENV_OFFSET 0x4000
#define CFG_ENV_HEADER (CFG_ENV_OFFSET + 0x12A) /* 0x12A is the length of LDR file header */
#endif
#define CFG_ENV_SIZE 0x2000
#define CFG_ENV_SECT_SIZE 0x2000 /* Total Size of Environment Sector */
#define ENV_IS_EMBEDDED
#define CFG_FLASH_ERASE_TOUT 30000 /* Timeout for Chip Erase (in ms) */
#define CFG_FLASH_ERASEBLOCK_TOUT 5000 /* Timeout for Block Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */
/* JFFS Partition offset set */
#define CFG_JFFS2_FIRST_BANK 0
#define CFG_JFFS2_NUM_BANKS 1
/* 512k reserved for u-boot */
#define CFG_JFFS2_FIRST_SECTOR 11
/*
* following timeouts shall be used once the
* Flash real protection is enabled
*/
#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
/*
* SDRAM settings & memory map
*
*/
#define CONFIG_MEM_SIZE 128 /* 128, 64, 32, 16 */
#define CONFIG_MEM_ADD_WDTH 11 /* 8, 9, 10, 11 */
#define CONFIG_MEM_MT48LC64M4A2FB_7E 1
#if (BFIN_BOOT_MODE == BF533_BYPASS_BOOT)
#define CFG_MEMTEST_START 0x00000000 /* memtest works on */
#elif (BFIN_BOOT_MODE == BF533_SPI_BOOT)
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#endif
#define CFG_SDRAM_BASE 0x00000000
#define CFG_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 *1024)
#define CFG_MEMTEST_END (CFG_MAX_RAM_SIZE - 0x80000 - 1)
#define CONFIG_LOADADDR 0x01000000
#define CFG_LOAD_ADDR CONFIG_LOADADDR
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_GBL_DATA_SIZE 0x4000 /* Reserve 16k for Global Data */
#define CONFIG_STACKSIZE (128*1024) /* regular stack */
#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - 0x40000)
#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)
/* Check to make sure everything fits in SDRAM */
#if ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) > CFG_MAX_RAM_SIZE)
#error Memory Map does not fit into configuration
#endif
#if ( CONFIG_CLKIN_HALF == 0 )
#define CONFIG_VCO_HZ ( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT )
#else
#define CONFIG_VCO_HZ (( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT ) / 2 )
#endif
#if (CONFIG_PLL_BYPASS == 0)
#define CONFIG_CCLK_HZ ( CONFIG_VCO_HZ / CONFIG_CCLK_DIV )
#define CONFIG_SCLK_HZ ( CONFIG_VCO_HZ / CONFIG_SCLK_DIV )
#else
#define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
#define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
#endif
#if (BFIN_BOOT_MODE == BF533_SPI_BOOT)
#if (CONFIG_SCLK_HZ / (2*CONFIG_SPI_BAUD) > 20000000)
#define CONFIG_SPI_FLASH_FAST_READ 1 /* Needed if SPI_CLK > 20 MHz */
#else
#undef CONFIG_SPI_FLASH_FAST_READ
#endif
#endif
/*
* Command settings
*
*/
#define CFG_LONGHELP 1
#define CONFIG_CMDLINE_EDITING 1
#if (BFIN_BOOT_MODE == BF533_BYPASS_BOOT)
#define CFG_AUTOLOAD "no" /*rarpb, bootp or dhcp commands will perform only a */
#endif
/* configuration lookup from the BOOTP/DHCP server, */
/* but not try to load any image using TFTP */
#define CONFIG_BOOTDELAY 5
#define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */
#if (BFIN_BOOT_MODE == BF533_BYPASS_BOOT)
#define CONFIG_BOOTCOMMAND "run ramboot"
#elif (BFIN_BOOT_MODE == BF533_SPI_BOOT)
#define CONFIG_BOOTCOMMAND "eeprom read 0x1000000 0x100000 0x180000;icache on;dcache on;bootm 0x1000000"
#endif
#define CONFIG_BOOTARGS "root=/dev/mtdblock0 rw console=ttyBF0,57600"
#if (CONFIG_DRIVER_SMC91111)
#define CONFIG_COMMANDS1 (CONFIG_CMD_DFL | \
CFG_CMD_PING | \
CFG_CMD_ELF | \
CFG_CMD_CACHE | \
CFG_CMD_JFFS2 | \
CFG_CMD_EEPROM | \
CFG_CMD_DATE)
#else
#define CONFIG_COMMANDS1 (CONFIG_CMD_DFL | \
CFG_CMD_ELF | \
CFG_CMD_CACHE | \
CFG_CMD_JFFS2 | \
CFG_CMD_EEPROM | \
CFG_CMD_DATE)
#endif
#if (BFIN_BOOT_MODE == BF533_BYPASS_BOOT)
#if (CONFIG_DRIVER_SMC91111)
#define CONFIG_EXTRA_ENV_SETTINGS \
"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):" \
"$(rootpath) console=ttyBF0,57600\0" \
"addip=setenv bootargs $(bootargs) ip=$(ipaddr):$(serverip):" \
"$(gatewayip):$(netmask):$(hostname):eth0:off\0" \
"ramboot=tftpboot $(loadaddr) linux; " \
"run ramargs;run addip;bootelf\0" \
"nfsboot=tftpboot $(loadaddr) linux; " \
"run nfsargs;run addip;bootelf\0" \
"flashboot=bootm 0x20100000\0" \
"update=tftpboot $(loadaddr) u-boot.bin; " \
"protect off 0x20000000 0x2003FFFF; erase 0x20000000 0x2003FFFF;" \
"cp.b $(loadaddr) 0x20000000 $(filesize)\0" \
""
#else
#define CONFIG_EXTRA_ENV_SETTINGS \
"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0" \
"flashboot=bootm 0x20100000\0" \
""
#endif
#elif (BFIN_BOOT_MODE == BF533_SPI_BOOT)
#define CONFIG_EXTRA_ENV_SETTINGS \
"ramargs=setenv bootargs root=/dev/mtdblock0 rw console=ttyBF0,57600\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):" \
"$(rootpath) console=ttyBF0,57600\0" \
"addip=setenv bootargs $(bootargs) ip=$(ipaddr):$(serverip):" \
"$(gatewayip):$(netmask):$(hostname):eth0:off\0" \
"ramboot=tftpboot $(loadaddr) linux; " \
"run ramargs;run addip;bootelf\0" \
"nfsboot=tftpboot $(loadaddr) linux; " \
"run nfsargs;run addip;bootelf\0" \
"flashboot=bootm 0x20100000\0" \
"update=tftpboot $(loadaddr) u-boot.ldr;" \
"eeprom write $(loadaddr) 0x0 $(filesize);\0"\
""
#endif
#ifdef CONFIG_SOFT_I2C
#if (!CONFIG_SOFT_I2C)
#undef CONFIG_SOFT_I2C
#endif
#endif
#if (CONFIG_SOFT_I2C)
#define CONFIG_COMMANDS2 CFG_CMD_I2C
#else
#define CONFIG_COMMANDS2 0
#endif /* CONFIG_SOFT_I2C */
#if (BFIN_BOOT_MODE == BF533_BYPASS_BOOT)
#define CONFIG_COMMANDS ( CONFIG_COMMANDS1 | CONFIG_COMMANDS2 | CFG_CMD_DHCP)
#elif (BFIN_BOOT_MODE == BF533_SPI_BOOT)
#define CONFIG_COMMANDS ( CONFIG_COMMANDS1 | CONFIG_COMMANDS2)
#endif
/* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/*
* Console settings
*
*/
#define CONFIG_BAUDRATE 57600
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#if (BFIN_BOOT_MODE == BF533_SPI_BOOT)
#if (BFIN_CPU == ADSP_BF531)
#define CFG_PROMPT "serial_bf531> " /* Monitor Command Prompt */
#elif (BFIN_CPU == ADSP_BF532)
#define CFG_PROMPT "serial_bf532> " /* Monitor Command Prompt */
#else
#define CFG_PROMPT "serial_bf533> " /* Monitor Command Prompt */
#endif
#else
#if (BFIN_CPU == ADSP_BF531)
#define CFG_PROMPT "bf531> " /* Monitor Command Prompt */
#elif (BFIN_CPU == ADSP_BF532)
#define CFG_PROMPT "bf532> " /* Monitor Command Prompt */
#else
#define CFG_PROMPT "bf533> " /* Monitor Command Prompt */
#endif
#endif
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_LOADS_ECHO 1
/*
* I2C settings
* By default PF2 is used as SDA and PF3 as SCL on the Stamp board
*/
#if (CONFIG_SOFT_I2C)
#define I2C_INIT (*pFIO_DIR |= PF_SCL); asm("ssync;")
#define I2C_ACTIVE (*pFIO_DIR |= PF_SDA); *pFIO_INEN &= ~PF_SDA; asm("ssync;")
#define I2C_TRISTATE (*pFIO_DIR &= ~PF_SDA); *pFIO_INEN |= PF_SDA; asm("ssync;")
#define I2C_READ ((volatile)(*pFIO_FLAG_D & PF_SDA) != 0); asm("ssync;")
#define I2C_SDA(bit) if(bit) { \
*pFIO_FLAG_S = PF_SDA; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SDA; \
asm("ssync;"); \
}
#define I2C_SCL(bit) if(bit) { \
*pFIO_FLAG_S = PF_SCL; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SCL; \
asm("ssync;"); \
}
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
#define CFG_I2C_SPEED 50000
#define CFG_I2C_SLAVE 0xFE
#endif /* CONFIG_SOFT_I2C */
/*
* Compact Flash settings
*/
/* Enabled below option for CF support */
/* #define CONFIG_STAMP_CF 1 */
#if defined(CONFIG_STAMP_CF) && (CONFIG_COMMANDS & CFG_CMD_IDE)
#define CONFIG_MISC_INIT_R 1
#define CONFIG_DOS_PARTITION 1
/*
* IDE/ATA stuff
*/
#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
#undef CONFIG_IDE_LED /* no led for ide supported */
#undef CONFIG_IDE_RESET /* no reset for ide supported */
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE busses */
#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
#define CFG_ATA_BASE_ADDR 0x20200000
#define CFG_ATA_IDE0_OFFSET 0x0000
#define CFG_ATA_DATA_OFFSET 0x0020 /* Offset for data I/O */
#define CFG_ATA_REG_OFFSET 0x0020 /* Offset for normal register accesses */
#define CFG_ATA_ALT_OFFSET 0x0007 /* Offset for alternate registers */
#define CFG_ATA_STRIDE 2
#endif
/*
* Miscellaneous configurable options
*/
#define CFG_HZ 1000 /* 1ms time tick */
#define CFG_BOOTM_LEN 0x4000000 /* Large Image Length, set to 64 Meg */
#define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
#define CONFIG_SPI
#ifdef CONFIG_VIDEO
#if (CONFIG_VIDEO)
#define CONFIG_SPLASH_SCREEN 1
#define CONFIG_SILENT_CONSOLE 1
#else
#undef CONFIG_VIDEO
#endif
#endif
/*
* FLASH organization and environment definitions
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/* 0xFF, 0xBBC3BBc3, 0x99B39983 */
/*#define AMGCTLVAL (AMBEN_P0 | AMBEN_P1 | AMBEN_P2 | AMCKEN)
#define AMBCTL0VAL (B1WAT_11 | B1RAT_11 | B1HT_3 | B1ST_4 | B1TT_4 | B1RDYPOL | \
B1RDYEN | B0WAT_11 | B0RAT_11 | B0HT_3 | B0ST_4 | B0TT_4 | B0RDYPOL | B0RDYEN)
#define AMBCTL1VAL (B3WAT_9 | B3RAT_9 | B3HT_2 | B3ST_3 | B3TT_4 | B3RDYPOL | \
B3RDYEN | B2WAT_9 | B2RAT_9 | B2HT_2 | B2ST_4 | B2TT_4 | B2RDYPOL | B2RDYEN)
*/
#define AMGCTLVAL 0xFF
#define AMBCTL0VAL 0xBBC3BBC3
#define AMBCTL1VAL 0x99B39983
#define CF_AMBCTL1VAL 0x99B3ffc2
#ifdef CONFIG_VDSP
#define ET_EXEC_VDSP 0x8
#define SHT_STRTAB_VDSP 0x1
#define ELFSHDRSIZE_VDSP 0x2C
#define VDSP_ENTRY_ADDR 0xFFA00000
#endif
#endif

188
include/configs/ezkit533.h
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@ -1,188 +0,0 @@
#ifndef __CONFIG_EZKIT533_H__
#define __CONFIG_EZKIT533_H__
#define CFG_LONGHELP 1
#define CONFIG_BAUDRATE 57600
#define CONFIG_STAMP 1
#define CONFIG_BOOTDELAY 5
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x20310300
#if 0
#define CONFIG_MII
#define CFG_DISCOVER_PHY
#endif
#define CONFIG_RTC_BF533 1
#define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */
/* CONFIG_CLKIN_HZ is any value in Hz */
#define CONFIG_CLKIN_HZ 27000000
/* CONFIG_CLKIN_HALF controls what is passed to PLL 0=CLKIN */
/* 1=CLKIN/2 */
#define CONFIG_CLKIN_HALF 0
/* CONFIG_PLL_BYPASS controls if the PLL is used 0=don't bypass */
/* 1=bypass PLL */
#define CONFIG_PLL_BYPASS 0
/* CONFIG_VCO_MULT controls what the multiplier of the PLL is. */
/* Values can range from 1-64 */
#define CONFIG_VCO_MULT 22
/* CONFIG_CCLK_DIV controls what the core clock divider is */
/* Values can be 1, 2, 4, or 8 ONLY */
#define CONFIG_CCLK_DIV 1
/* CONFIG_SCLK_DIV controls what the peripheral clock divider is */
/* Values can range from 1-15 */
#define CONFIG_SCLK_DIV 5
#if ( CONFIG_CLKIN_HALF == 0 )
#define CONFIG_VCO_HZ ( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT )
#else
#define CONFIG_VCO_HZ (( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT ) / 2 )
#endif
#if (CONFIG_PLL_BYPASS == 0)
#define CONFIG_CCLK_HZ ( CONFIG_VCO_HZ / CONFIG_CCLK_DIV )
#define CONFIG_SCLK_HZ ( CONFIG_VCO_HZ / CONFIG_SCLK_DIV )
#else
#define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
#define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
#endif
#define CONFIG_MEM_SIZE 32 /* 128, 64, 32, 16 */
#define CONFIG_MEM_ADD_WDTH 9 /* 8, 9, 10, 11 */
#define CONFIG_MEM_MT48LC16M16A2TG_75 1
#define CONFIG_LOADS_ECHO 1
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
CFG_CMD_PING | \
CFG_CMD_ELF | \
CFG_CMD_I2C | \
CFG_CMD_JFFS2 | \
CFG_CMD_DATE)
#define CONFIG_BOOTARGS "root=/dev/mtdblock0 ip=192.168.0.15:192.168.0.2:192.168.0.1:255.255.255.0:ezkit:eth0:off"
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CFG_PROMPT "ezkit> " /* Monitor Command Prompt */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x01F00000 /* 1 ... 31 MB in DRAM */
#define CFG_LOAD_ADDR 0x01000000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 10 ms ticks */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CFG_SDRAM_BASE 0x00000000
#define CFG_MAX_RAM_SIZE 0x02000000
#define CFG_FLASH_BASE 0x20000000
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
#define CFG_GBL_DATA_SIZE 0x4000
#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
#define CFG_FLASH0_BASE 0x20000000
#define CFG_FLASH1_BASE 0x20200000
#define CFG_FLASH2_BASE 0x20280000
#define CFG_MAX_FLASH_BANKS 3 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 40 /* max number of sectors on one chip */
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR 0x20020000
#define CFG_ENV_SECT_SIZE 0x10000 /* Total Size of Environment Sector */
/* JFFS Partition offset set */
#define CFG_JFFS2_FIRST_BANK 0
#define CFG_JFFS2_NUM_BANKS 1
/* 512k reserved for u-boot */
#define CFG_JFFS2_FIRST_SECTOR 11
/*
* Stack sizes
*/
#define CONFIG_STACKSIZE (128*1024) /* regular stack */
#define POLL_MODE 1
#define FLASH_TOT_SECT 40
#define FLASH_SIZE 0x220000
#define CFG_FLASH_SIZE 0x220000
/*
* Initialize PSD4256 registers for using I2C
*/
#define CONFIG_MISC_INIT_R
/*
* I2C settings
* By default PF1 is used as SDA and PF0 as SCL on the Stamp board
*/
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
/*
* Software (bit-bang) I2C driver configuration
*/
#define PF_SCL PF0
#define PF_SDA PF1
#define I2C_INIT (*pFIO_DIR |= PF_SCL); asm("ssync;")
#define I2C_ACTIVE (*pFIO_DIR |= PF_SDA); *pFIO_INEN &= ~PF_SDA; asm("ssync;")
#define I2C_TRISTATE (*pFIO_DIR &= ~PF_SDA); *pFIO_INEN |= PF_SDA; asm("ssync;")
#define I2C_READ ((volatile)(*pFIO_FLAG_D & PF_SDA) != 0); asm("ssync;")
#define I2C_SDA(bit) if(bit) { \
*pFIO_FLAG_S = PF_SDA; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SDA; \
asm("ssync;"); \
}
#define I2C_SCL(bit) if(bit) { \
*pFIO_FLAG_S = PF_SCL; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SCL; \
asm("ssync;"); \
}
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
#define CFG_I2C_SPEED 50000
#define CFG_I2C_SLAVE 0xFE
#define __ADSPLPBLACKFIN__ 1
#define __ADSPBF533__ 1
/* 0xFF, 0x7BB07BB0, 0x22547BB0 */
/* #define AMGCTLVAL (AMBEN_P0 | AMBEN_P1 | AMBEN_P2 | AMCKEN)
#define AMBCTL0VAL (B1WAT_7 | B1RAT_11 | B1HT_2 | B1ST_3 | B1TT_4 | ~B1RDYPOL | \
~B1RDYEN | B0WAT_7 | B0RAT_11 | B0HT_2 | B0ST_3 | B0TT_4 | ~B0RDYPOL | ~B0RDYEN)
#define AMBCTL1VAL (B3WAT_2 | B3RAT_2 | B3HT_1 | B3ST_1 | B3TT_4 | B3RDYPOL | ~B3RDYEN | \
B2WAT_7 | B2RAT_11 | B2HT_2 | B2ST_3 | B2TT_4 | ~B2RDYPOL | ~B2RDYEN)
*/
#define AMGCTLVAL 0xFF
#define AMBCTL0VAL 0x7BB07BB0
#define AMBCTL1VAL 0xFFC27BB0
#define CONFIG_VDSP 1
#ifdef CONFIG_VDSP
#define ET_EXEC_VDSP 0x8
#define SHT_STRTAB_VDSP 0x1
#define ELFSHDRSIZE_VDSP 0x2C
#define VDSP_ENTRY_ADDR 0xFFA00000
#endif
#endif

333
include/configs/stamp.h
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@ -1,333 +0,0 @@
/*
* U-boot - stamp.h Configuration file for STAMP board
* having BF533 processor
*
* Copyright (c) 2005 blackfin.uclinux.org
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_STAMP_H__
#define __CONFIG_STAMP_H__
/*
* Board settings
*
*/
#define __ADSPLPBLACKFIN__ 1
#define __ADSPBF533__ 1
#define CONFIG_STAMP 1
#define CONFIG_RTC_BF533 1
/* FLASH/ETHERNET uses the same address range */
#define SHARED_RESOURCES 1
#define CONFIG_VDSP 1
/*
* Clock settings
*
*/
/* CONFIG_CLKIN_HZ is any value in Hz */
#define CONFIG_CLKIN_HZ 11059200
/* CONFIG_CLKIN_HALF controls what is passed to PLL 0=CLKIN */
/* 1=CLKIN/2 */
#define CONFIG_CLKIN_HALF 0
/* CONFIG_PLL_BYPASS controls if the PLL is used 0=don't bypass */
/* 1=bypass PLL */
#define CONFIG_PLL_BYPASS 0
/* CONFIG_VCO_MULT controls what the multiplier of the PLL is. */
/* Values can range from 1-64 */
#define CONFIG_VCO_MULT 45
/* CONFIG_CCLK_DIV controls what the core clock divider is */
/* Values can be 1, 2, 4, or 8 ONLY */
#define CONFIG_CCLK_DIV 1
/* CONFIG_SCLK_DIV controls what the peripheral clock divider is */
/* Values can range from 1-15 */
#define CONFIG_SCLK_DIV 6
/*
* Network Settings
*/
/* network support */
#define CONFIG_IPADDR 192.168.0.15
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.2
#define CONFIG_HOSTNAME STAMP
#define CONFIG_ROOTPATH /checkout/uClinux-dist/romfs
/* To remove hardcoding and enable MAC storage in EEPROM */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:b8 */
/*
* Command settings
*
*/
#define CFG_LONGHELP 1
#define CONFIG_BOOTDELAY 5
#define CONFIG_BOOT_RETRY_TIME -1 /* Enable this if bootretry required, currently its disabled */
#define CONFIG_BOOTCOMMAND "run ramboot"
#define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n"
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
CFG_CMD_PING | \
CFG_CMD_ELF | \
CFG_CMD_I2C | \
CFG_CMD_CACHE | \
CFG_CMD_JFFS2 | \
CFG_CMD_DATE)
#define CONFIG_BOOTARGS "root=/dev/mtdblock0 rw"
#define CONFIG_EXTRA_ENV_SETTINGS \
"ramargs=setenv bootargs root=/dev/mtdblock0 rw\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw " \
"nfsroot=$(serverip):$(rootpath)\0" \
"addip=setenv bootargs $(bootargs) " \
"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
":$(hostname):eth0:off\0" \
"ramboot=tftpboot 0x1000000 linux;" \
"run ramargs;run addip;bootelf\0" \
"nfsboot=tftpboot 0x1000000 linux;" \
"run nfsargs;run addip;bootelf\0" \
"flashboot=bootm 0x20100000\0" \
""
/* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/*
* Console settings
*
*/
#define CONFIG_BAUDRATE 57600
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CFG_PROMPT "stamp>" /* Monitor Command Prompt */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_LOADS_ECHO 1
/*
* Network settings
*
*/
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x20300300
/* To remove hardcoding and enable MAC storage in EEPROM */
/* #define HARDCODE_MAC 1 */
/*
* Flash settings
*
*/
#define CFG_FLASH_CFI /* The flash is CFI compatible */
#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
#define CFG_FLASH_CFI_AMD_RESET
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_FLASH_BASE 0x20000000
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
#define CFG_ENV_ADDR 0x20020000
#define CFG_ENV_SIZE 0x10000
#define CFG_ENV_SECT_SIZE 0x10000 /* Total Size of Environment Sector */
#define CFG_FLASH_ERASE_TOUT 30000 /* Timeout for Chip Erase (in ms) */
#define CFG_FLASH_ERASEBLOCK_TOUT 5000 /* Timeout for Block Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */
/* JFFS Partition offset set */
#define CFG_JFFS2_FIRST_BANK 0
#define CFG_JFFS2_NUM_BANKS 1
/* 512k reserved for u-boot */
#define CFG_JFFS2_FIRST_SECTOR 11
/*
* following timeouts shall be used once the
* Flash real protection is enabled
*/
#define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
#define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
/*
* I2C settings
* By default PF2 is used as SDA and PF3 as SCL on the Stamp board
*/
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
/*
* Software (bit-bang) I2C driver configuration
*/
#define PF_SCL PF3
#define PF_SDA PF2
#define I2C_INIT (*pFIO_DIR |= PF_SCL); asm("ssync;")
#define I2C_ACTIVE (*pFIO_DIR |= PF_SDA); *pFIO_INEN &= ~PF_SDA; asm("ssync;")
#define I2C_TRISTATE (*pFIO_DIR &= ~PF_SDA); *pFIO_INEN |= PF_SDA; asm("ssync;")
#define I2C_READ ((volatile)(*pFIO_FLAG_D & PF_SDA) != 0); asm("ssync;")
#define I2C_SDA(bit) if(bit) { \
*pFIO_FLAG_S = PF_SDA; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SDA; \
asm("ssync;"); \
}
#define I2C_SCL(bit) if(bit) { \
*pFIO_FLAG_S = PF_SCL; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SCL; \
asm("ssync;"); \
}
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
#define CFG_I2C_SPEED 50000
#define CFG_I2C_SLAVE 0xFE
/*
* Compact Flash settings
*/
/* Enabled below option for CF support */
/* #define CONFIG_STAMP_CF 1 */
#if defined(CONFIG_STAMP_CF) && (CONFIG_COMMANDS & CFG_CMD_IDE)
#define CONFIG_MISC_INIT_R 1
#define CONFIG_DOS_PARTITION 1
/*
* IDE/ATA stuff
*/
#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
#undef CONFIG_IDE_LED /* no led for ide supported */
#undef CONFIG_IDE_RESET /* no reset for ide supported */
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE busses */
#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
#define CFG_ATA_BASE_ADDR 0x20200000
#define CFG_ATA_IDE0_OFFSET 0x0000
#define CFG_ATA_DATA_OFFSET 0x0020 /* Offset for data I/O */
#define CFG_ATA_REG_OFFSET 0x0020 /* Offset for normal register accesses */
#define CFG_ATA_ALT_OFFSET 0x0007 /* Offset for alternate registers */
#define CFG_ATA_STRIDE 2
#endif
/*
* SDRAM settings
*
*/
#define CONFIG_MEM_SIZE 128 /* 128, 64, 32, 16 */
#define CONFIG_MEM_ADD_WDTH 11 /* 8, 9, 10, 11 */
#define CONFIG_MEM_MT48LC64M4A2FB_7E 1
#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
#define CFG_MEMTEST_END 0x07EFFFFF /* 1 ... 127 MB in DRAM */
#define CFG_LOAD_ADDR 0x01000000 /* default load address */
#define CFG_SDRAM_BASE 0x00000000
#define CFG_MAX_RAM_SIZE 0x08000000
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
#if ( CONFIG_CLKIN_HALF == 0 )
#define CONFIG_VCO_HZ ( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT )
#else
#define CONFIG_VCO_HZ (( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT ) / 2 )
#endif
#if (CONFIG_PLL_BYPASS == 0)
#define CONFIG_CCLK_HZ ( CONFIG_VCO_HZ / CONFIG_CCLK_DIV )
#define CONFIG_SCLK_HZ ( CONFIG_VCO_HZ / CONFIG_SCLK_DIV )
#else
#define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
#define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
#endif
/*
* Miscellaneous configurable options
*/
#define CFG_HZ 1000 /* 1ms time tick */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_MALLOC_BASE (CFG_MONITOR_BASE - CFG_MALLOC_LEN)
#define CFG_GBL_DATA_SIZE 0x4000
#define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
#define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4)
#define CFG_LARGE_IMAGE_LEN 0x4000000 /* Large Image Length, set to 64 Meg */
#define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
/*
* Stack sizes
*/
#define CONFIG_STACKSIZE (128*1024) /* regular stack */
/*
* FLASH organization and environment definitions
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/* 0xFF, 0xBBC3BBc3, 0x99B39983 */
/*#define AMGCTLVAL (AMBEN_P0 | AMBEN_P1 | AMBEN_P2 | AMCKEN)
#define AMBCTL0VAL (B1WAT_11 | B1RAT_11 | B1HT_3 | B1ST_4 | B1TT_4 | B1RDYPOL | \
B1RDYEN | B0WAT_11 | B0RAT_11 | B0HT_3 | B0ST_4 | B0TT_4 | B0RDYPOL | B0RDYEN)
#define AMBCTL1VAL (B3WAT_9 | B3RAT_9 | B3HT_2 | B3ST_3 | B3TT_4 | B3RDYPOL | \
B3RDYEN | B2WAT_9 | B2RAT_9 | B2HT_2 | B2ST_4 | B2TT_4 | B2RDYPOL | B2RDYEN)
*/
#define AMGCTLVAL 0xFF
#define AMBCTL0VAL 0xBBC3BBC3
#define AMBCTL1VAL 0x99B39983
#define CF_AMBCTL1VAL 0x99B3ffc2
#ifdef CONFIG_VDSP
#define ET_EXEC_VDSP 0x8
#define SHT_STRTAB_VDSP 0x1
#define ELFSHDRSIZE_VDSP 0x2C
#define VDSP_ENTRY_ADDR 0xFFA00000
#endif
#endif

22
lib_blackfin/Makefile
View File

@ -3,7 +3,7 @@
#
# Copyright (c) 2005 blackfin.uclinux.org
#
# (C) Copyright 2000-2006
# (C) Copyright 2000-2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
@ -27,23 +27,21 @@
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(ARCH).a
LIB = lib$(ARCH).a
SOBJS =
AOBJS = memcpy.o memcmp.o memset.o memmove.o
COBJS = board.o bf533_linux.o bf533_string.o cache.o muldi3.o
COBJS = post.o tests.o board.o bf533_linux.o bf533_string.o cache.o muldi3.o
OBJS = $(AOBJS) $(COBJS)
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
$(LIB): .depend $(OBJS)
$(AR) cr $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
.depend: Makefile $(AOBJS:.o=.S) $(COBJS:.o=.c)
$(CC) -M $(CFLAGS) $(AOBJS:.o=.S) $(COBJS:.o=.c) > $@
sinclude $(obj).depend
sinclude .depend
#########################################################################

35
lib_blackfin/bf533_linux.c
View File

@ -43,20 +43,21 @@
#define SHOW_BOOT_PROGRESS(arg)
#endif
#define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
#define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
#ifdef SHARED_RESOURCES
extern void swap_to(int device_id);
extern void swap_to(int device_id);
#endif
extern image_header_t header;
extern void flush_instruction_cache(void);
extern void flush_data_cache(void);
static char *make_command_line(void);
extern image_header_t header;
extern int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong * len_ptr, int verify)
{
int (*appl)(char *cmdline);
int (*appl) (char *cmdline);
char *cmdline;
#ifdef SHARED_RESOURCES
@ -66,26 +67,26 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
appl = (int (*)(char *))ntohl(header.ih_ep);
printf("Starting Kernel at = %x\n", appl);
cmdline = make_command_line();
if(icache_status()){
if (icache_status()) {
flush_instruction_cache();
icache_disable();
}
if(dcache_status()){
}
if (dcache_status()) {
flush_data_cache();
dcache_disable();
}
(*appl)(cmdline);
}
(*appl) (cmdline);
}
char *make_command_line(void)
{
char *dest = (char *) CMD_LINE_ADDR;
char *bootargs;
char *dest = (char *)CMD_LINE_ADDR;
char *bootargs;
if ( (bootargs = getenv("bootargs")) == NULL )
return NULL;
if ((bootargs = getenv("bootargs")) == NULL)
return NULL;
strncpy(dest, bootargs, 0x1000);
dest[0xfff] = 0;
return dest;
strncpy(dest, bootargs, 0x1000);
dest[0xfff] = 0;
return dest;
}

171
lib_blackfin/bf533_string.c
View File

@ -28,9 +28,14 @@
#include <common.h>
#include <asm/setup.h>
#include <asm/page.h>
#include <asm/cpu/defBF533.h>
#include <config.h>
#include <asm/blackfin.h>
void *dma_memcpy(void *,const void *,size_t);
extern void blackfin_icache_flush_range(const void *, const void *);
extern void blackfin_dcache_flush_range(const void *, const void *);
extern void *memcpy_ASM(void *dest, const void *src, size_t count);
void *dma_memcpy(void *, const void *, size_t);
char *strcpy(char *dest, const char *src)
{
@ -38,11 +43,11 @@ char *strcpy(char *dest, const char *src)
char temp = 0;
__asm__ __volatile__
("1:\t%2 = B [%1++] (Z);\n\t"
"B [%0++] = %2;\n\t"
"CC = %2;\n\t"
"if cc jump 1b (bp);\n":"=a"(dest), "=a"(src), "=d"(temp)
:"0"(dest), "1"(src), "2"(temp):"memory");
("1:\t%2 = B [%1++] (Z);\n\t"
"B [%0++] = %2;\n\t"
"CC = %2;\n\t"
"if cc jump 1b (bp);\n":"=a"(dest), "=a"(src), "=d"(temp)
:"0"(dest), "1"(src), "2"(temp):"memory");
return xdest;
}
@ -56,16 +61,16 @@ char *strncpy(char *dest, const char *src, size_t n)
return xdest;
__asm__ __volatile__
("1:\t%3 = B [%1++] (Z);\n\t"
"B [%0++] = %3;\n\t"
"CC = %3;\n\t"
"if ! cc jump 2f;\n\t"
"%2 += -1;\n\t"
"CC = %2 == 0;\n\t"
"if ! cc jump 1b (bp);\n"
"2:\n":"=a"(dest), "=a"(src), "=da"(n), "=d"(temp)
:"0"(dest), "1"(src), "2"(n), "3"(temp)
:"memory");
("1:\t%3 = B [%1++] (Z);\n\t"
"B [%0++] = %3;\n\t"
"CC = %3;\n\t"
"if ! cc jump 2f;\n\t"
"%2 += -1;\n\t"
"CC = %2 == 0;\n\t"
"if ! cc jump 1b (bp);\n"
"2:\n":"=a"(dest), "=a"(src), "=da"(n), "=d"(temp)
:"0"(dest), "1"(src), "2"(n), "3"(temp)
:"memory");
return xdest;
}
@ -74,18 +79,16 @@ int strcmp(const char *cs, const char *ct)
{
char __res1, __res2;
__asm__
("1:\t%2 = B[%0++] (Z);\n\t" /* get *cs */
"%3 = B[%1++] (Z);\n\t" /* get *ct */
"CC = %2 == %3;\n\t" /* compare a byte */
"if ! cc jump 2f;\n\t" /* not equal, break out */
"CC = %2;\n\t" /* at end of cs? */
__asm__("1:\t%2 = B[%0++] (Z);\n\t" /* get *cs */
"%3 = B[%1++] (Z);\n\t" /* get *ct */
"CC = %2 == %3;\n\t" /* compare a byte */
"if ! cc jump 2f;\n\t" /* not equal, break out */
"CC = %2;\n\t" /* at end of cs? */
"if cc jump 1b (bp);\n\t" /* no, keep going */
"jump.s 3f;\n" /* strings are equal */
"2:\t%2 = %2 - %3;\n" /* *cs - *ct */
"3:\n": "=a"(cs), "=a"(ct), "=d"(__res1),
"=d"(__res2)
: "0"(cs), "1"(ct));
"jump.s 3f;\n" /* strings are equal */
"2:\t%2 = %2 - %3;\n" /* *cs - *ct */
"3:\n": "=a"(cs), "=a"(ct), "=d"(__res1), "=d"(__res2)
: "0"(cs), "1"(ct));
return __res1;
}
@ -97,20 +100,19 @@ int strncmp(const char *cs, const char *ct, size_t count)
if (!count)
return 0;
__asm__
("1:\t%3 = B[%0++] (Z);\n\t" /* get *cs */
"%4 = B[%1++] (Z);\n\t" /* get *ct */
"CC = %3 == %4;\n\t" /* compare a byte */
"if ! cc jump 3f;\n\t" /* not equal, break out */
"CC = %3;\n\t" /* at end of cs? */
"if ! cc jump 4f;\n\t" /* yes, all done */
"%2 += -1;\n\t" /* no, adjust count */
__asm__("1:\t%3 = B[%0++] (Z);\n\t" /* get *cs */
"%4 = B[%1++] (Z);\n\t" /* get *ct */
"CC = %3 == %4;\n\t" /* compare a byte */
"if ! cc jump 3f;\n\t" /* not equal, break out */
"CC = %3;\n\t" /* at end of cs? */
"if ! cc jump 4f;\n\t" /* yes, all done */
"%2 += -1;\n\t" /* no, adjust count */
"CC = %2 == 0;\n\t" "if ! cc jump 1b;\n" /* more to do, keep going */
"2:\t%3 = 0;\n\t" /* strings are equal */
"2:\t%3 = 0;\n\t" /* strings are equal */
"jump.s 4f;\n" "3:\t%3 = %3 - %4;\n" /* *cs - *ct */
"4:": "=a"(cs), "=a"(ct), "=da"(count), "=d"(__res1),
"4:": "=a"(cs), "=a"(ct), "=da"(count), "=d"(__res1),
"=d"(__res2)
: "0"(cs), "1"(ct), "2"(count));
: "0"(cs), "1"(ct), "2"(count));
return __res1;
}
@ -124,62 +126,65 @@ int strncmp(const char *cs, const char *ct, size_t count)
* You should not use this function to access IO space, use memcpy_toio()
* or memcpy_fromio() instead.
*/
void * memcpy(void * dest,const void *src,size_t count)
void *memcpy(void *dest, const void *src, size_t count)
{
char *tmp = (char *) dest, *s = (char *) src;
char *tmp = (char *)dest, *s = (char *)src;
/* Turn off the cache, if destination in the L1 memory */
if ( (tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)
|| (tmp >= (char *)DATA_BANKA_SRAM) && (tmp < DATA_BANKA_SRAM_END)
|| (tmp >= (char *)DATA_BANKB_SRAM) && (tmp < DATA_BANKB_SRAM_END) ){
if(icache_status()){
blackfin_icache_flush_range(src, src+count);
icache_disable();
}
if(dcache_status()){
blackfin_dcache_flush_range(src, src+count);
dcache_disable();
}
dma_memcpy(dest,src,count);
}else{
while(count--)
*tmp++ = *s++;
/* L1_ISRAM can only be accessed via dma */
if ((tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)) {
/* L1 is the destination */
dma_memcpy(dest, src, count);
if (icache_status()) {
blackfin_icache_flush_range(src, src + count);
}
} else if ((s >= (char *)L1_ISRAM) && (s < (char *)L1_ISRAM_END)) {
/* L1 is the source */
dma_memcpy(dest, src, count);
if (icache_status()) {
blackfin_icache_flush_range(dest, dest + count);
}
if (dcache_status()) {
blackfin_dcache_flush_range(dest, dest + count);
}
} else {
memcpy_ASM(dest, src, count);
}
return dest;
}
void *dma_memcpy(void * dest,const void *src,size_t count)
void *dma_memcpy(void *dest, const void *src, size_t count)
{
*pMDMA_D0_IRQ_STATUS = DMA_DONE | DMA_ERR;
*pMDMA_D0_IRQ_STATUS = DMA_DONE | DMA_ERR;
/* Copy sram functions from sdram to sram */
/* Setup destination start address */
*pMDMA_D0_START_ADDR = (volatile void **)dest;
/* Setup destination xcount */
*pMDMA_D0_X_COUNT = count;
/* Setup destination xmodify */
*pMDMA_D0_X_MODIFY = 1;
/* Copy sram functions from sdram to sram */
/* Setup destination start address */
*pMDMA_D0_START_ADDR = (volatile void **)dest;
/* Setup destination xcount */
*pMDMA_D0_X_COUNT = count ;
/* Setup destination xmodify */
*pMDMA_D0_X_MODIFY = 1;
/* Setup Source start address */
*pMDMA_S0_START_ADDR = (volatile void **)src;
/* Setup Source xcount */
*pMDMA_S0_X_COUNT = count;
/* Setup Source xmodify */
*pMDMA_S0_X_MODIFY = 1;
/* Setup Source start address */
*pMDMA_S0_START_ADDR = (volatile void **)src;
/* Setup Source xcount */
*pMDMA_S0_X_COUNT = count;
/* Setup Source xmodify */
*pMDMA_S0_X_MODIFY = 1;
/* Enable source DMA */
*pMDMA_S0_CONFIG = (DMAEN);
__builtin_bfin_ssync();
/* Enable source DMA */
*pMDMA_S0_CONFIG = (DMAEN);
asm("ssync;");
*pMDMA_D0_CONFIG = (WNR | DMAEN);
*pMDMA_D0_CONFIG = ( WNR | DMAEN);
while(*pMDMA_D0_IRQ_STATUS & DMA_RUN){
*pMDMA_D0_IRQ_STATUS |= (DMA_DONE | DMA_ERR);
}
while (*pMDMA_D0_IRQ_STATUS & DMA_RUN) {
*pMDMA_D0_IRQ_STATUS |= (DMA_DONE | DMA_ERR);
}
*pMDMA_D0_IRQ_STATUS |= (DMA_DONE | DMA_ERR);
dest += count;
src += count;
return dest;
dest += count;
src += count;
return dest;
}

2
lib_blackfin/blackfin_board.h
View File

@ -28,6 +28,8 @@
#ifndef __BLACKFIN_BOARD_H__
#define __BLACKFIN_BOARD_H__
#include <version.h>
extern void timer_init(void);
extern void init_IRQ(void);
extern void rtc_init(void);

248
lib_blackfin/board.c
View File

@ -32,21 +32,79 @@
#include <version.h>
#include <net.h>
#include <environment.h>
#include <i2c.h>
#include "blackfin_board.h"
#include <asm/cplb.h>
#include "../drivers/smc91111.h"
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_BF537)&&defined(CONFIG_POST)
#include <post.h>
int post_flag;
#endif
#ifdef DEBUG
#define pr_debug(fmt,arg...) printf(fmt,##arg)
#else
static inline int
__attribute__ ((format(printf, 1, 2))) pr_debug(const char *fmt, ...)
{
return 0;
}
#endif
#ifndef CFG_NO_FLASH
extern flash_info_t flash_info[];
#endif
static inline u_long get_vco(void)
{
u_long msel;
u_long vco;
msel = (*pPLL_CTL >> 9) & 0x3F;
if (0 == msel)
msel = 64;
vco = CONFIG_CLKIN_HZ;
vco >>= (1 & *pPLL_CTL); /* DF bit */
vco = msel * vco;
return vco;
}
/*Get the Core clock*/
u_long get_cclk(void)
{
u_long csel, ssel;
if (*pPLL_STAT & 0x1)
return CONFIG_CLKIN_HZ;
ssel = *pPLL_DIV;
csel = ((ssel >> 4) & 0x03);
ssel &= 0xf;
if (ssel && ssel < (1 << csel)) /* SCLK > CCLK */
return get_vco() / ssel;
return get_vco() >> csel;
}
/* Get the System clock */
u_long get_sclk(void)
{
u_long ssel;
if (*pPLL_STAT & 0x1)
return CONFIG_CLKIN_HZ;
ssel = (*pPLL_DIV & 0xf);
return get_vco() / ssel;
}
static void mem_malloc_init(void)
{
mem_malloc_start = CFG_MALLOC_BASE;
mem_malloc_end = (CFG_MALLOC_BASE + CFG_MALLOC_LEN);
mem_malloc_brk = mem_malloc_start;
memset((void *) mem_malloc_start, 0,
mem_malloc_end - mem_malloc_start);
memset((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
}
void *sbrk(ptrdiff_t increment)
@ -59,7 +117,7 @@ void *sbrk(ptrdiff_t increment)
}
mem_malloc_brk = new;
return ((void *) old);
return ((void *)old);
}
static int display_banner(void)
@ -78,17 +136,20 @@ static void display_flash_config(ulong size)
static int init_baudrate(void)
{
uchar tmp[64];
DECLARE_GLOBAL_DATA_PTR;
char tmp[64];
int i = getenv_r("baudrate", tmp, sizeof(tmp));
gd->bd->bi_baudrate = gd->baudrate = (i > 0)
? (int) simple_strtoul(tmp, NULL, 10)
: CONFIG_BAUDRATE;
? (int)simple_strtoul(tmp, NULL, 10)
: CONFIG_BAUDRATE;
return (0);
}
#ifdef DEBUG
static void display_global_data(void)
{
DECLARE_GLOBAL_DATA_PTR;
bd_t *bd;
bd = gd->bd;
printf("--flags:%x\n", gd->flags);
@ -103,12 +164,10 @@ static void display_global_data(void)
printf("---bi_baudrate:%x\n", bd->bi_baudrate);
printf("---bi_ip_addr:%x\n", bd->bi_ip_addr);
printf("---bi_enetaddr:%x %x %x %x %x %x\n",
bd->bi_enetaddr[0],
bd->bi_enetaddr[1],
bd->bi_enetaddr[2],
bd->bi_enetaddr[3],
bd->bi_enetaddr[4],
bd->bi_enetaddr[5]);
bd->bi_enetaddr[0],
bd->bi_enetaddr[1],
bd->bi_enetaddr[2],
bd->bi_enetaddr[3], bd->bi_enetaddr[4], bd->bi_enetaddr[5]);
printf("---bi_arch_number:%x\n", bd->bi_arch_number);
printf("---bi_boot_params:%x\n", bd->bi_boot_params);
printf("---bi_memstart:%x\n", bd->bi_memstart);
@ -120,6 +179,71 @@ static void display_global_data(void)
}
#endif
/* we cover everything with 4 meg pages, and need an extra for L1 */
unsigned int icplb_table[page_descriptor_table_size][2];
unsigned int dcplb_table[page_descriptor_table_size][2];
void init_cplbtables(void)
{
int i, j;
j = 0;
icplb_table[j][0] = 0xFFA00000;
icplb_table[j][1] = L1_IMEMORY;
j++;
for (i = 0; i <= CONFIG_MEM_SIZE / 4; i++) {
icplb_table[j][0] = (i * 4 * 1024 * 1024);
if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
&& (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
icplb_table[j][1] = SDRAM_IKERNEL;
} else {
icplb_table[j][1] = SDRAM_IGENERIC;
}
j++;
}
#if defined(CONFIG_BF561)
/* Async Memory space */
for (i = 0; i < 3; i++) {
icplb_table[j++][0] = 0x20000000 + i * 4 * 1024 * 1024;
icplb_table[j++][1] = SDRAM_IGENERIC;
}
#else
icplb_table[j][0] = 0x20000000;
icplb_table[j][1] = SDRAM_IGENERIC;
#endif
j = 0;
dcplb_table[j][0] = 0xFF800000;
dcplb_table[j][1] = L1_DMEMORY;
j++;
for (i = 0; i < CONFIG_MEM_SIZE / 4; i++) {
dcplb_table[j][0] = (i * 4 * 1024 * 1024);
if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
&& (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
dcplb_table[j][1] = SDRAM_DKERNEL;
} else {
dcplb_table[j][1] = SDRAM_DGENERIC;
}
j++;
}
#if defined(CONFIG_BF561)
/* MAC space */
dcplb_table[j++][0] = CONFIG_ASYNC_EBIU_BASE;
dcplb_table[j++][1] = SDRAM_EBIU;
/* Flash space */
for (i = 0; i < 2; i++) {
dcplb_table[j++][0] = 0x20000000 + i * 4 * 1024 * 1024;
dcplb_table[j++][1] = SDRAM_EBIU;
}
#else
dcplb_table[j][0] = 0x20000000;
dcplb_table[j][1] = SDRAM_EBIU;
#endif
}
/*
* All attempts to come up with a "common" initialization sequence
* that works for all boards and architectures failed: some of the
@ -135,20 +259,24 @@ static void display_global_data(void)
void board_init_f(ulong bootflag)
{
DECLARE_GLOBAL_DATA_PTR;
ulong addr;
bd_t *bd;
int i;
init_cplbtables();
gd = (gd_t *) (CFG_GBL_DATA_ADDR);
memset((void *) gd, 0, sizeof(gd_t));
memset((void *)gd, 0, sizeof(gd_t));
/* Board data initialization */
addr = (CFG_GBL_DATA_ADDR + sizeof(gd_t));
/* Align to 4 byte boundary */
addr &= ~(4 - 1);
bd = (bd_t*)addr;
bd = (bd_t *) addr;
gd->bd = bd;
memset((void *) bd, 0, sizeof(bd_t));
memset((void *)bd, 0, sizeof(bd_t));
/* Initialize */
init_IRQ();
@ -156,21 +284,51 @@ void board_init_f(ulong bootflag)
init_baudrate(); /* initialze baudrate settings */
serial_init(); /* serial communications setup */
console_init_f();
#ifdef CONFIG_ICACHE_ON
icache_enable();
#endif
#ifdef CONFIG_DCACHE_ON
dcache_enable();
#endif
display_banner(); /* say that we are here */
for (i = 0; i < page_descriptor_table_size; i++) {
pr_debug
("data (%02i)= 0x%08x : 0x%08x intr = 0x%08x : 0x%08x\n",
i, dcplb_table[i][0], dcplb_table[i][1], icplb_table[i][0],
icplb_table[i][1]);
}
checkboard();
#if defined(CONFIG_RTC_BF533) && (CONFIG_COMMANDS & CFG_CMD_DATE)
rtc_init();
#endif
timer_init();
printf("Clock: VCO: %lu MHz, Core: %lu MHz, System: %lu MHz\n", \
CONFIG_VCO_HZ/1000000, CONFIG_CCLK_HZ/1000000, CONFIG_SCLK_HZ/1000000);
printf("Clock: VCO: %lu MHz, Core: %lu MHz, System: %lu MHz\n",
get_vco() / 1000000, get_cclk() / 1000000, get_sclk() / 1000000);
printf("SDRAM: ");
print_size(initdram(0), "\n");
#if defined(CONFIG_BF537)&&defined(CONFIG_POST)
post_init_f();
post_bootmode_init();
post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif
board_init_r((gd_t *) gd, 0x20000010);
}
#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C)
static int init_func_i2c(void)
{
puts("I2C: ");
i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
puts("ready\n");
return (0);
}
#endif
void board_init_r(gd_t * id, ulong dest_addr)
{
DECLARE_GLOBAL_DATA_PTR;
ulong size;
extern void malloc_bin_reloc(void);
char *s, *e;
@ -180,12 +338,18 @@ void board_init_r(gd_t * id, ulong dest_addr)
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
bd = gd->bd;
#if CONFIG_STAMP
#if defined(CONFIG_BF537) && defined(CONFIG_POST)
post_output_backlog();
post_reloc();
#endif
#if (CONFIG_STAMP || CONFIG_BF537 || CONFIG_EZKIT561) && !defined(CFG_NO_FLASH)
/* There are some other pointer constants we must deal with */
/* configure available FLASH banks */
size = flash_init();
display_flash_config(size);
flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE, CFG_FLASH_BASE + 0x1ffff, &flash_info[0]);
flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE,
CFG_FLASH_BASE + 0x1ffff, &flash_info[0]);
bd->bi_flashstart = CFG_FLASH_BASE;
bd->bi_flashsize = size;
bd->bi_flashoffset = 0;
@ -198,6 +362,13 @@ void board_init_r(gd_t * id, ulong dest_addr)
mem_malloc_init();
malloc_bin_reloc();
#ifdef CONFIG_SPI
# if ! defined(CFG_ENV_IS_IN_EEPROM)
spi_init_f();
# endif
spi_init_r();
#endif
/* relocate environment function pointers etc. */
env_relocate();
@ -228,18 +399,30 @@ void board_init_r(gd_t * id, ulong dest_addr)
copy_filename(BootFile, s, sizeof(BootFile));
}
#endif
#if (CONFIG_COMMANDS & CFG_CMD_NAND)
puts("NAND: ");
nand_init(); /* go init the NAND */
#endif
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
misc_init_r();
#endif
#if ((BFIN_CPU == ADSP_BF537) || (BFIN_CPU == ADSP_BF536))
printf("Net: ");
eth_initialize(bd);
#endif
#ifdef CONFIG_DRIVER_SMC91111
#ifdef SHARED_RESOURCES
/* Switch to Ethernet */
swap_to(ETHERNET);
#endif
if ( (SMC_inw(BANK_SELECT) & UPPER_BYTE_MASK) != SMC_IDENT ) {
printf("ERROR: Can't find SMC91111 at address %x\n", SMC_BASE_ADDRESS);
if ((SMC_inw(BANK_SELECT) & UPPER_BYTE_MASK) != SMC_IDENT) {
printf("ERROR: Can't find SMC91111 at address %x\n",
SMC_BASE_ADDRESS);
} else {
printf("Net: SMC91111 at 0x%08X\n", SMC_BASE_ADDRESS);
}
@ -248,12 +431,17 @@ void board_init_r(gd_t * id, ulong dest_addr)
swap_to(FLASH);
#endif
#endif
#ifdef CONFIG_SOFT_I2C
#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C)
init_func_i2c();
#endif
#ifdef DEBUG
display_global_data(void);
display_global_data();
#endif
#if defined(CONFIG_BF537) && defined(CONFIG_POST)
if (post_flag)
post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif
/* main_loop() can return to retry autoboot, if so just run it again. */
@ -262,18 +450,8 @@ void board_init_r(gd_t * id, ulong dest_addr)
}
}
#ifdef CONFIG_SOFT_I2C
static int init_func_i2c (void)
{
puts ("I2C: ");
i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
puts ("ready\n");
return (0);
}
#endif
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;);
for (;;) ;
}

29
lib_blackfin/cache.c
View File

@ -26,15 +26,26 @@
*/
/* for now: just dummy functions to satisfy the linker */
extern void blackfin_icache_range (unsigned long *, unsigned long *);
extern void blackfin_dcache_range (unsigned long *, unsigned long *);
void flush_cache (unsigned long dummy1, unsigned long dummy2)
#include <config.h>
#include <common.h>
#include <asm/blackfin.h>
extern void blackfin_icache_flush_range(unsigned long, unsigned long);
extern void blackfin_dcache_flush_range(unsigned long, unsigned long);
void flush_cache(unsigned long dummy1, unsigned long dummy2)
{
if (icache_status ()) {
blackfin_icache_flush_range (dummy1, dummy1 + dummy2);
}
if (dcache_status ()) {
blackfin_dcache_flush_range (dummy1, dummy1 + dummy2);
}
if ((dummy1 >= L1_ISRAM) && (dummy1 < L1_ISRAM_END))
return;
if ((dummy1 >= DATA_BANKA_SRAM) && (dummy1 < DATA_BANKA_SRAM_END))
return;
if ((dummy1 >= DATA_BANKB_SRAM) && (dummy1 < DATA_BANKB_SRAM_END))
return;
if (icache_status())
blackfin_icache_flush_range(dummy1, dummy1 + dummy2);
if (dcache_status())
blackfin_dcache_flush_range(dummy1, dummy1 + dummy2);
return;
}

109
lib_blackfin/memcmp.S Normal file
View File

@ -0,0 +1,109 @@
/*
* File: arch/blackfin/lib/memcmp.S
* Based on:
* Author:
*
* Created:
* Description:
*
* Rev: $Id: memcmp.S 2386 2006-11-01 04:57:26Z magicyang $
*
* Modified:
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
.align 2
/*
* C Library function MEMCMP
* R0 = First Address
* R1 = Second Address
* R2 = count
* Favours word aligned data.
*/
.globl _memcmp;
_memcmp:
I1 = P3;
P0 = R0; /* P0 = s1 address */
P3 = R1; /* P3 = s2 Address */
P2 = R2 ; /* P2 = count */
CC = R2 <= 7(IU);
IF CC JUMP .Ltoo_small;
I0 = R1; /* s2 */
R1 = R1 | R0; /* OR addresses together */
R1 <<= 30; /* check bottom two bits */
CC = AZ; /* AZ set if zero. */
IF !CC JUMP .Lbytes ; /* Jump if addrs not aligned. */
P1 = P2 >> 2; /* count = n/4 */
R3 = 3;
R2 = R2 & R3; /* remainder */
P2 = R2; /* set remainder */
LSETUP (.Lquad_loop_s , .Lquad_loop_e) LC0=P1;
.Lquad_loop_s:
NOP;
R0 = [P0++];
R1 = [I0++];
CC = R0 == R1;
IF !CC JUMP .Lquad_different;
.Lquad_loop_e:
NOP;
P3 = I0; /* s2 */
.Ltoo_small:
CC = P2 == 0; /* Check zero count*/
IF CC JUMP .Lfinished; /* very unlikely*/
.Lbytes:
LSETUP (.Lbyte_loop_s , .Lbyte_loop_e) LC0=P2;
.Lbyte_loop_s:
R1 = B[P3++](Z); /* *s2 */
R0 = B[P0++](Z); /* *s1 */
CC = R0 == R1;
IF !CC JUMP .Ldifferent;
.Lbyte_loop_e:
NOP;
.Ldifferent:
R0 = R0 - R1;
P3 = I1;
RTS;
.Lquad_different:
/* We've read two quads which don't match.
* Can't just compare them, because we're
* a little-endian machine, so the MSBs of
* the regs occur at later addresses in the
* string.
* Arrange to re-read those two quads again,
* byte-by-byte.
*/
P0 += -4; /* back up to the start of the */
P3 = I0; /* quads, and increase the*/
P2 += 4; /* remainder count*/
P3 += -4;
JUMP .Lbytes;
.Lfinished:
R0 = 0;
P3 = I1;
RTS;

130
lib_blackfin/memcpy.S Normal file
View File

@ -0,0 +1,130 @@
/*
* File: arch/blackfin/lib/memcpy.S
* Based on:
* Author:
*
* Created:
* Description: internal version of memcpy(), issued by the compiler
* to copy blocks of data around.
* This is really memmove() - it has to be able to deal with
* possible overlaps, because that ambiguity is when the compiler
* gives up and calls a function. We have our own, internal version
* so that we get something we trust, even if the user has redefined
* the normal symbol.
* Rev: $Id: memcpy.S 2775 2007-02-21 13:58:44Z hennerich $
*
* Modified:
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
.align 2
.globl _memcpy_ASM;
_memcpy_ASM:
CC = R2 <= 0; /* length not positive?*/
IF CC JUMP .L_P1L2147483647; /* Nothing to do */
P0 = R0 ; /* dst*/
P1 = R1 ; /* src*/
P2 = R2 ; /* length */
/* check for overlapping data */
CC = R1 < R0; /* src < dst */
IF !CC JUMP .Lno_overlap;
R3 = R1 + R2;
CC = R0 < R3; /* and dst < src+len */
IF CC JUMP .Lhas_overlap;
.Lno_overlap:
/* Check for aligned data.*/
R3 = R1 | R0;
R0 = 0x3;
R3 = R3 & R0;
CC = R3; /* low bits set on either address? */
IF CC JUMP .Lnot_aligned;
/* Both addresses are word-aligned, so we can copy
at least part of the data using word copies.*/
P2 = P2 >> 2;
CC = P2 <= 2;
IF !CC JUMP .Lmore_than_seven;
/* less than eight bytes... */
P2 = R2;
LSETUP(.Lthree_start, .Lthree_end) LC0=P2;
R0 = R1; /* setup src address for return */
.Lthree_start:
R3 = B[P1++] (X);
.Lthree_end:
B[P0++] = R3;
RTS;
.Lmore_than_seven:
/* There's at least eight bytes to copy. */
P2 += -1; /* because we unroll one iteration */
LSETUP(.Lword_loop, .Lword_loop) LC0=P2;
R0 = R1;
I1 = P1;
R3 = [I1++];
.Lword_loop:
MNOP || [P0++] = R3 || R3 = [I1++];
[P0++] = R3;
/* Any remaining bytes to copy? */
R3 = 0x3;
R3 = R2 & R3;
CC = R3 == 0;
P1 = I1; /* in case there's something left, */
IF !CC JUMP .Lbytes_left;
RTS;
.Lbytes_left: P2 = R3;
.Lnot_aligned:
/* From here, we're copying byte-by-byte. */
LSETUP (.Lbyte_start , .Lbyte_end) LC0=P2;
R0 = R1; /* Save src address for return */
.Lbyte_start:
R1 = B[P1++] (X);
.Lbyte_end:
B[P0++] = R1;
.L_P1L2147483647:
RTS;
.Lhas_overlap:
/* Need to reverse the copying, because the
* dst would clobber the src.
* Don't bother to work out alignment for
* the reverse case.
*/
R0 = R1; /* save src for later. */
P0 = P0 + P2;
P0 += -1;
P1 = P1 + P2;
P1 += -1;
LSETUP(.Lover_start, .Lover_end) LC0=P2;
.Lover_start:
R1 = B[P1--] (X);
.Lover_end:
B[P0--] = R1;
RTS;

102
lib_blackfin/memmove.S Normal file
View File

@ -0,0 +1,102 @@
/*
* File: arch/blackfin/lib/memmove.S
* Based on:
* Author:
*
* Created:
* Description:
*
* Rev: $Id: memmove.S 2205 2006-09-23 07:53:49Z vapier $
*
* Modified:
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
.align 2
/*
* C Library function MEMMOVE
* R0 = To Address (leave unchanged to form result)
* R1 = From Address
* R2 = count
* Data may overlap
*/
.globl _memmove;
_memmove:
I1 = P3;
P0 = R0; /* P0 = To address */
P3 = R1; /* P3 = From Address */
P2 = R2 ; /* P2 = count */
CC = P2 == 0; /* Check zero count*/
IF CC JUMP .Lfinished; /* very unlikely */
CC = R1 < R0 (IU); /* From < To */
IF !CC JUMP .Lno_overlap;
R3 = R1 + R2;
CC = R0 <= R3 (IU); /* (From+len) >= To */
IF CC JUMP .Loverlap;
.Lno_overlap:
R3 = 11;
CC = R2 <= R3;
IF CC JUMP .Lbytes;
R3 = R1 | R0; /* OR addresses together */
R3 <<= 30; /* check bottom two bits */
CC = AZ; /* AZ set if zero.*/
IF !CC JUMP .Lbytes ; /* Jump if addrs not aligned.*/
I0 = P3;
P1 = P2 >> 2; /* count = n/4 */
P1 += -1;
R3 = 3;
R2 = R2 & R3; /* remainder */
P2 = R2; /* set remainder */
R1 = [I0++];
LSETUP (.Lquad_loop , .Lquad_loop) LC0=P1;
.Lquad_loop: MNOP || [P0++] = R1 || R1 = [I0++];
[P0++] = R1;
CC = P2 == 0; /* any remaining bytes? */
P3 = I0; /* Ammend P3 to updated ptr. */
IF !CC JUMP .Lbytes;
P3 = I1;
RTS;
.Lbytes: LSETUP (.Lbyte2_s , .Lbyte2_e) LC0=P2;
.Lbyte2_s: R1 = B[P3++](Z);
.Lbyte2_e: B[P0++] = R1;
.Lfinished: P3 = I1;
RTS;
.Loverlap:
P2 += -1;
P0 = P0 + P2;
P3 = P3 + P2;
R1 = B[P3--] (Z);
CC = P2 == 0;
IF CC JUMP .Lno_loop;
LSETUP (.Lol_s, .Lol_e) LC0 = P2;
.Lol_s: B[P0--] = R1;
.Lol_e: R1 = B[P3--] (Z);
.Lno_loop: B[P0] = R1;
P3 = I1;
RTS;

103
lib_blackfin/memset.S Normal file
View File

@ -0,0 +1,103 @@
/*
* File: arch/blackfin/lib/memset.S
* Based on:
* Author:
*
* Created:
* Description:
*
* Rev: $Id: memset.S 2769 2007-02-19 16:45:53Z hennerich $
*
* Modified:
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
.align 2
/*
* C Library function MEMSET
* R0 = address (leave unchanged to form result)
* R1 = filler byte
* R2 = count
* Favours word aligned data.
*/
.globl _memset;
_memset:
P0 = R0 ; /* P0 = address */
P2 = R2 ; /* P2 = count */
R3 = R0 + R2; /* end */
CC = R2 <= 7(IU);
IF CC JUMP .Ltoo_small;
R1 = R1.B (Z); /* R1 = fill char */
R2 = 3;
R2 = R0 & R2; /* addr bottom two bits */
CC = R2 == 0; /* AZ set if zero. */
IF !CC JUMP .Lforce_align ; /* Jump if addr not aligned. */
.Laligned:
P1 = P2 >> 2; /* count = n/4 */
R2 = R1 << 8; /* create quad filler */
R2.L = R2.L + R1.L(NS);
R2.H = R2.L + R1.H(NS);
P2 = R3;
LSETUP (.Lquad_loop , .Lquad_loop) LC0=P1;
.Lquad_loop:
[P0++] = R2;
CC = P0 == P2;
IF !CC JUMP .Lbytes_left;
RTS;
.Lbytes_left:
R2 = R3; /* end point */
R3 = P0; /* current position */
R2 = R2 - R3; /* bytes left */
P2 = R2;
.Ltoo_small:
CC = P2 == 0; /* Check zero count */
IF CC JUMP .Lfinished; /* Unusual */
.Lbytes:
LSETUP (.Lbyte_loop , .Lbyte_loop) LC0=P2;
.Lbyte_loop:
B[P0++] = R1;
.Lfinished:
RTS;
.Lforce_align:
CC = BITTST (R0, 0); /* odd byte */
R0 = 4;
R0 = R0 - R2;
P1 = R0;
R0 = P0; /* Recover return address */
IF !CC JUMP .Lskip1;
B[P0++] = R1;
.Lskip1:
CC = R2 <= 2; /* 2 bytes */
P2 -= P1; /* reduce count */
IF !CC JUMP .Laligned;
B[P0++] = R1;
B[P0++] = R1;
JUMP .Laligned;

24
lib_blackfin/muldi3.c
View File

@ -64,29 +64,29 @@ do { \
__w.ll; })
#endif
typedef unsigned int USItype __attribute__ ((mode (SI)));
typedef int SItype __attribute__ ((mode (SI)));
typedef int DItype __attribute__ ((mode (DI)));
typedef int word_type __attribute__ ((mode (__word__)));
typedef unsigned int USItype __attribute__ ((mode(SI)));
typedef int SItype __attribute__ ((mode(SI)));
typedef int DItype __attribute__ ((mode(DI)));
typedef int word_type __attribute__ ((mode(__word__)));
struct DIstruct {SItype low, high;};
typedef union
{
struct DIstruct {
SItype low, high;
};
typedef union {
struct DIstruct s;
DItype ll;
} DIunion;
DItype __muldi3 (DItype u, DItype v)
DItype __muldi3(DItype u, DItype v)
{
DIunion w;
DIunion uu, vv;
uu.ll = u,
vv.ll = v;
uu.ll = u, vv.ll = v;
/* panic("kernel panic for __muldi3"); */
w.ll = __umulsidi3 (uu.s.low, vv.s.low);
w.ll = __umulsidi3(uu.s.low, vv.s.low);
w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high
+ (USItype) uu.s.high * (USItype) vv.s.low);
+ (USItype) uu.s.high * (USItype) vv.s.low);
return w.ll;
}

435
lib_blackfin/post.c Normal file
View File

@ -0,0 +1,435 @@
/*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <console.h>
#include <watchdog.h>
#include <post.h>
#ifdef CONFIG_LOGBUFFER
#include <logbuff.h>
#endif
#ifdef CONFIG_POST
#define POST_MAX_NUMBER 32
#define BOOTMODE_MAGIC 0xDEAD0000
int post_init_f(void)
{
DECLARE_GLOBAL_DATA_PTR;
int res = 0;
unsigned int i;
for (i = 0; i < post_list_size; i++) {
struct post_test *test = post_list + i;
if (test->init_f && test->init_f()) {
res = -1;
}
}
gd->post_init_f_time = post_time_ms(0);
if (!gd->post_init_f_time) {
printf
("post/post.c: post_time_ms seems not to be implemented\n");
}
return res;
}
void post_bootmode_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
int bootmode = post_bootmode_get(0);
int newword;
if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
newword = BOOTMODE_MAGIC | POST_SLOWTEST;
} else if (bootmode == 0) {
newword = BOOTMODE_MAGIC | POST_POWERON;
} else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) {
newword = BOOTMODE_MAGIC | POST_NORMAL;
} else {
/* Use old value */
newword = post_word_load() & ~POST_COLDBOOT;
}
if (bootmode == 0) {
/* We are booting after power-on */
newword |= POST_COLDBOOT;
}
post_word_store(newword);
/* Reset activity record */
gd->post_log_word = 0;
}
int post_bootmode_get(unsigned int *last_test)
{
unsigned long word = post_word_load();
int bootmode;
if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
return 0;
}
bootmode = word & 0x7F;
if (last_test && (bootmode & POST_POWERTEST)) {
*last_test = (word >> 8) & 0xFF;
}
return bootmode;
}
/* POST tests run before relocation only mark status bits .... */
static void post_log_mark_start(unsigned long testid)
{
DECLARE_GLOBAL_DATA_PTR;
gd->post_log_word |= (testid) << 16;
}
static void post_log_mark_succ(unsigned long testid)
{
DECLARE_GLOBAL_DATA_PTR;
gd->post_log_word |= testid;
}
/* ... and the messages are output once we are relocated */
void post_output_backlog(void)
{
DECLARE_GLOBAL_DATA_PTR;
int j;
for (j = 0; j < post_list_size; j++) {
if (gd->post_log_word & (post_list[j].testid << 16)) {
post_log("POST %s ", post_list[j].cmd);
if (gd->post_log_word & post_list[j].testid)
post_log("PASSED\n");
else {
post_log("FAILED\n");
#ifdef CONFIG_SHOW_BOOT_PROGRESS
show_boot_progress(-31);
#endif
}
}
}
}
static void post_bootmode_test_on(unsigned int last_test)
{
unsigned long word = post_word_load();
word |= POST_POWERTEST;
word |= (last_test & 0xFF) << 8;
post_word_store(word);
}
static void post_bootmode_test_off(void)
{
unsigned long word = post_word_load();
word &= ~POST_POWERTEST;
post_word_store(word);
}
static void post_get_flags(int *test_flags)
{
int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST };
char *var[] = { "post_poweron", "post_normal", "post_slowtest" };
int varnum = sizeof(var) / sizeof(var[0]);
char list[128]; /* long enough for POST list */
char *name;
char *s;
int last;
int i, j;
for (j = 0; j < post_list_size; j++) {
test_flags[j] = post_list[j].flags;
}
for (i = 0; i < varnum; i++) {
if (getenv_r(var[i], list, sizeof(list)) <= 0)
continue;
for (j = 0; j < post_list_size; j++) {
test_flags[j] &= ~flag[i];
}
last = 0;
name = list;
while (!last) {
while (*name && *name == ' ')
name++;
if (*name == 0)
break;
s = name + 1;
while (*s && *s != ' ')
s++;
if (*s == 0)
last = 1;
else
*s = 0;
for (j = 0; j < post_list_size; j++) {
if (strcmp(post_list[j].cmd, name) == 0) {
test_flags[j] |= flag[i];
break;
}
}
if (j == post_list_size) {
printf("No such test: %s\n", name);
}
name = s + 1;
}
}
for (j = 0; j < post_list_size; j++) {
if (test_flags[j] & POST_POWERON) {
test_flags[j] |= POST_SLOWTEST;
}
}
}
static int post_run_single(struct post_test *test,
int test_flags, int flags, unsigned int i)
{
if ((flags & test_flags & POST_ALWAYS) &&
(flags & test_flags & POST_MEM)) {
WATCHDOG_RESET();
if (!(flags & POST_REBOOT)) {
if ((test_flags & POST_REBOOT)
&& !(flags & POST_MANUAL)) {
post_bootmode_test_on(i);
}
if (test_flags & POST_PREREL)
post_log_mark_start(test->testid);
else
post_log("POST %s ", test->cmd);
}
if (test_flags & POST_PREREL) {
if ((*test->test) (flags) == 0)
post_log_mark_succ(test->testid);
} else {
if ((*test->test) (flags) != 0) {
post_log("FAILED\n");
#ifdef CONFIG_SHOW_BOOT_PROGRESS
show_boot_progress(-32);
#endif
} else
post_log("PASSED\n");
}
if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
post_bootmode_test_off();
}
return 0;
} else {
return -1;
}
}
int post_run(char *name, int flags)
{
unsigned int i;
int test_flags[POST_MAX_NUMBER];
post_get_flags(test_flags);
if (name == NULL) {
unsigned int last;
if (post_bootmode_get(&last) & POST_POWERTEST) {
if (last < post_list_size &&
(flags & test_flags[last] & POST_ALWAYS) &&
(flags & test_flags[last] & POST_MEM)) {
post_run_single(post_list + last,
test_flags[last],
flags | POST_REBOOT, last);
for (i = last + 1; i < post_list_size; i++) {
post_run_single(post_list + i,
test_flags[i],
flags, i);
}
}
} else {
for (i = 0; i < post_list_size; i++) {
post_run_single(post_list + i,
test_flags[i], flags, i);
}
}
return 0;
} else {
for (i = 0; i < post_list_size; i++) {
if (strcmp(post_list[i].cmd, name) == 0)
break;
}
if (i < post_list_size) {
return post_run_single(post_list + i,
test_flags[i], flags, i);
} else {
return -1;
}
}
}
static int post_info_single(struct post_test *test, int full)
{
if (test->flags & POST_MANUAL) {
if (full)
printf("%s - %s\n"
" %s\n", test->cmd, test->name, test->desc);
else
printf(" %-15s - %s\n", test->cmd, test->name);
return 0;
} else {
return -1;
}
}
int post_info(char *name)
{
unsigned int i;
if (name == NULL) {
for (i = 0; i < post_list_size; i++) {
post_info_single(post_list + i, 0);
}
return 0;
} else {
for (i = 0; i < post_list_size; i++) {
if (strcmp(post_list[i].cmd, name) == 0)
break;
}
if (i < post_list_size) {
return post_info_single(post_list + i, 1);
} else {
return -1;
}
}
}
int post_log(char *format, ...)
{
va_list args;
uint i;
char printbuffer[CFG_PBSIZE];
va_start(args, format);
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
i = vsprintf(printbuffer, format, args);
va_end(args);
#ifdef CONFIG_LOGBUFFER
/* Send to the logbuffer */
logbuff_log(printbuffer);
#else
/* Send to the stdout file */
puts(printbuffer);
#endif
return 0;
}
void post_reloc(void)
{
DECLARE_GLOBAL_DATA_PTR;
unsigned int i;
/*
* We have to relocate the test table manually
*/
for (i = 0; i < post_list_size; i++) {
ulong addr;
struct post_test *test = post_list + i;
if (test->name) {
addr = (ulong) (test->name) + gd->reloc_off;
test->name = (char *)addr;
}
if (test->cmd) {
addr = (ulong) (test->cmd) + gd->reloc_off;
test->cmd = (char *)addr;
}
if (test->desc) {
addr = (ulong) (test->desc) + gd->reloc_off;
test->desc = (char *)addr;
}
if (test->test) {
addr = (ulong) (test->test) + gd->reloc_off;
test->test = (int (*)(int flags))addr;
}
if (test->init_f) {
addr = (ulong) (test->init_f) + gd->reloc_off;
test->init_f = (int (*)(void))addr;
}
if (test->reloc) {
addr = (ulong) (test->reloc) + gd->reloc_off;
test->reloc = (void (*)(void))addr;
test->reloc();
}
}
}
/*
* Some tests (e.g. SYSMON) need the time when post_init_f started,
* but we cannot use get_timer() at this point.
*
* On PowerPC we implement it using the timebase register.
*/
unsigned long post_time_ms(unsigned long base)
{
return (unsigned long)get_ticks() / (get_tbclk() / CFG_HZ) - base;
}
#endif /* CONFIG_POST */

253
lib_blackfin/tests.c Normal file
View File

@ -0,0 +1,253 @@
/*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Be sure to mark tests to be run before relocation as such with the
* CFG_POST_PREREL flag so that logging is done correctly if the
* logbuffer support is enabled.
*/
#include <common.h>
#include <config.h>
#ifdef CONFIG_POST
#include <post.h>
#define CFG_POST_FLASH 0x00004000
#define CFG_POST_LED 0x00008000
#define CFG_POST_BUTTON 0x00010000
extern int cache_post_test(int flags);
extern int watchdog_post_test(int flags);
extern int i2c_post_test(int flags);
extern int rtc_post_test(int flags);
extern int memory_post_test(int flags);
extern int cpu_post_test(int flags);
extern int uart_post_test(int flags);
extern int ether_post_test(int flags);
extern int spi_post_test(int flags);
extern int usb_post_test(int flags);
extern int spr_post_test(int flags);
extern int sysmon_post_test(int flags);
extern int dsp_post_test(int flags);
extern int codec_post_test(int flags);
extern int sysmon_init_f(void);
extern void sysmon_reloc(void);
extern int flash_post_test(int flags);
extern int led_post_test(int flags);
extern int button_post_test(int flags);
struct post_test post_list[] = {
#if CONFIG_POST & CFG_POST_CACHE
{
"Cache test",
"cache",
"This test verifies the CPU cache operation.",
POST_RAM | POST_ALWAYS,
&cache_post_test,
NULL,
NULL,
CFG_POST_CACHE},
#endif
#if CONFIG_POST & CFG_POST_WATCHDOG
{
"Watchdog timer test",
"watchdog",
"This test checks the watchdog timer.",
POST_RAM | POST_POWERON | POST_SLOWTEST | POST_MANUAL | POST_REBOOT,
&watchdog_post_test,
NULL,
NULL,
CFG_POST_WATCHDOG},
#endif
#if CONFIG_POST & CFG_POST_I2C
{
"I2C test",
"i2c",
"This test verifies the I2C operation.",
POST_RAM | POST_ALWAYS,
&i2c_post_test,
NULL,
NULL,
CFG_POST_I2C},
#endif
#if CONFIG_POST & CFG_POST_RTC
{
"RTC test",
"rtc",
"This test verifies the RTC operation.",
POST_RAM | POST_SLOWTEST | POST_MANUAL,
&rtc_post_test,
NULL,
NULL,
CFG_POST_RTC},
#endif
#if CONFIG_POST & CFG_POST_MEMORY
{
"Memory test",
"memory",
"This test checks RAM.",
POST_ROM | POST_POWERON | POST_SLOWTEST | POST_PREREL,
&memory_post_test,
NULL,
NULL,
CFG_POST_MEMORY},
#endif
#if CONFIG_POST & CFG_POST_CPU
{
"CPU test",
"cpu",
"This test verifies the arithmetic logic unit of" " CPU.",
POST_RAM | POST_ALWAYS,
&cpu_post_test,
NULL,
NULL,
CFG_POST_CPU},
#endif
#if CONFIG_POST & CFG_POST_UART
{
"UART test",
"uart",
"This test verifies the UART operation.",
POST_RAM | POST_SLOWTEST | POST_MANUAL,
&uart_post_test,
NULL,
NULL,
CFG_POST_UART},
#endif
#if CONFIG_POST & CFG_POST_ETHER
{
"ETHERNET test",
"ethernet",
"This test verifies the ETHERNET operation.",
POST_RAM | POST_ALWAYS | POST_MANUAL,
&ether_post_test,
NULL,
NULL,
CFG_POST_ETHER},
#endif
#if CONFIG_POST & CFG_POST_SPI
{
"SPI test",
"spi",
"This test verifies the SPI operation.",
POST_RAM | POST_ALWAYS | POST_MANUAL,
&spi_post_test,
NULL,
NULL,
CFG_POST_SPI},
#endif
#if CONFIG_POST & CFG_POST_USB
{
"USB test",
"usb",
"This test verifies the USB operation.",
POST_RAM | POST_ALWAYS | POST_MANUAL,
&usb_post_test,
NULL,
NULL,
CFG_POST_USB},
#endif
#if CONFIG_POST & CFG_POST_SPR
{
"SPR test",
"spr",
"This test checks SPR contents.",
POST_ROM | POST_ALWAYS | POST_PREREL,
&spr_post_test,
NULL,
NULL,
CFG_POST_SPR},
#endif
#if CONFIG_POST & CFG_POST_SYSMON
{
"SYSMON test",
"sysmon",
"This test monitors system hardware.",
POST_RAM | POST_ALWAYS,
&sysmon_post_test,
&sysmon_init_f,
&sysmon_reloc,
CFG_POST_SYSMON},
#endif
#if CONFIG_POST & CFG_POST_DSP
{
"DSP test",
"dsp",
"This test checks any connected DSP(s).",
POST_RAM | POST_MANUAL,
&dsp_post_test,
NULL,
NULL,
CFG_POST_DSP},
#endif
#if CONFIG_POST & CFG_POST_CODEC
{
"CODEC test",
"codec",
"This test checks any connected codec(s).",
POST_RAM | POST_MANUAL,
&codec_post_test,
NULL,
NULL,
CFG_POST_CODEC},
#endif
#if CONFIG_POST & CFG_POST_FLASH
{
"FLASH test",
"flash",
"This test checks flash.",
POST_RAM | POST_ALWAYS | POST_MANUAL,
&flash_post_test,
NULL,
NULL,
CFG_POST_FLASH},
#endif
#if CONFIG_POST & CFG_POST_LED
{
"LED test",
"LED",
"This test checks LED ",
POST_RAM | POST_ALWAYS | POST_MANUAL,
&led_post_test,
NULL,
NULL,
CFG_POST_LED},
#endif
#if CONFIG_POST & CFG_POST_BUTTON
{
"Button test",
"button",
"This test checks Button ",
POST_RAM | POST_ALWAYS | POST_MANUAL,
&button_post_test,
NULL,
NULL,
CFG_POST_BUTTON},
#endif
};
unsigned int post_list_size = sizeof(post_list) / sizeof(struct post_test);
#endif /* CONFIG_POST */

2
rtc/Makefile
View File

@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)librtc.a
COBJS = date.o \
bf533_rtc.o ds12887.o ds1302.o ds1306.o ds1307.o \
bf5xx_rtc.o ds12887.o ds1302.o ds1306.o ds1307.o \
ds1337.o ds1374.o ds1556.o ds164x.o ds174x.o ds3231.o \
m41t11.o max6900.o m48t35ax.o mc146818.o mk48t59.o \
mpc5xxx.o mpc8xx.o pcf8563.o s3c24x0_rtc.o rs5c372.o

54
rtc/bf533_rtc.c → rtc/bf5xx_rtc.c
View File

@ -49,36 +49,36 @@
#include <command.h>
#include <rtc.h>
#if defined(CONFIG_RTC_BF533) && (CONFIG_COMMANDS & CFG_CMD_DATE)
#if defined(CONFIG_RTC_BFIN) && (CONFIG_COMMANDS & CFG_CMD_DATE)
#include <asm/blackfin.h>
#include <asm/cpu/bf533_rtc.h>
#include <asm/arch/bf5xx_rtc.h>
void rtc_reset (void)
void rtc_reset(void)
{
return; /* nothing to do */
}
/* Wait for pending writes to complete */
void wait_for_complete (void)
void wait_for_complete(void)
{
while (!(*(volatile unsigned short *) RTC_ISTAT & 0x8000)) {
printf ("");
while (!(*(volatile unsigned short *)RTC_ISTAT & 0x8000)) {
printf("");
}
*(volatile unsigned short *) RTC_ISTAT = 0x8000;
*(volatile unsigned short *)RTC_ISTAT = 0x8000;
}
/* Enable the RTC prescaler enable register */
void rtc_init ()
void rtc_init()
{
*(volatile unsigned short *) RTC_PREN = 0x1;
wait_for_complete ();
*(volatile unsigned short *)RTC_PREN = 0x1;
wait_for_complete();
}
/* Set the time. Get the time_in_secs which is the number of seconds since Jan 1970 and set the RTC registers
* based on this value.
*/
void rtc_set (struct rtc_time *tmp)
void rtc_set(struct rtc_time *tmp)
{
unsigned long n_days_1970 = 0;
unsigned long n_secs_rem = 0;
@ -88,46 +88,46 @@ void rtc_set (struct rtc_time *tmp)
unsigned long time_in_secs;
if (tmp == NULL) {
printf ("Error setting the date/time \n");
printf("Error setting the date/time \n");
return;
}
time_in_secs =
mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_hour,
tmp->tm_min, tmp->tm_sec);
mktime(tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_hour,
tmp->tm_min, tmp->tm_sec);
/* Compute no. of days since 1970 */
n_days_1970 = (unsigned long) (time_in_secs / (NUM_SECS_IN_DAY));
n_days_1970 = (unsigned long)(time_in_secs / (NUM_SECS_IN_DAY));
/* From the remining secs, compute the hrs(0-23), mins(0-59) and secs(0-59) */
n_secs_rem = (unsigned long) (time_in_secs % (NUM_SECS_IN_DAY));
n_secs_rem = (unsigned long)(time_in_secs % (NUM_SECS_IN_DAY));
n_hrs = n_secs_rem / (NUM_SECS_IN_HOUR);
n_secs_rem = n_secs_rem % (NUM_SECS_IN_HOUR);
n_mins = n_secs_rem / (NUM_SECS_IN_MIN);
n_secs = n_secs_rem % (NUM_SECS_IN_MIN);
/* Store the new time in the RTC_STAT register */
*(volatile unsigned long *) RTC_STAT =
((n_days_1970 << DAY_BITS_OFF) | (n_hrs << HOUR_BITS_OFF) |
(n_mins << MIN_BITS_OFF) | (n_secs << SEC_BITS_OFF));
*(volatile unsigned long *)RTC_STAT =
((n_days_1970 << DAY_BITS_OFF) | (n_hrs << HOUR_BITS_OFF) |
(n_mins << MIN_BITS_OFF) | (n_secs << SEC_BITS_OFF));
wait_for_complete ();
wait_for_complete();
}
/* Read the time from the RTC_STAT. time_in_seconds is seconds since Jan 1970 */
void rtc_get (struct rtc_time *tmp)
void rtc_get(struct rtc_time *tmp)
{
unsigned long cur_rtc_stat = 0;
unsigned long time_in_sec;
unsigned long tm_sec = 0, tm_min = 0, tm_hour = 0, tm_day = 0;
if (tmp == NULL) {
printf ("Error getting the date/time \n");
printf("Error getting the date/time \n");
return;
}
/* Read the RTC_STAT register */
cur_rtc_stat = *(volatile unsigned long *) RTC_STAT;
cur_rtc_stat = *(volatile unsigned long *)RTC_STAT;
/* Get the secs (0-59), mins (0-59), hrs (0-23) and the days since Jan 1970 */
tm_sec = (cur_rtc_stat >> SEC_BITS_OFF) & 0x3f;
@ -137,9 +137,7 @@ void rtc_get (struct rtc_time *tmp)
/* Calculate the total number of seconds since Jan 1970 */
time_in_sec = (tm_sec) +
MIN_TO_SECS (tm_min) +
HRS_TO_SECS (tm_hour) +
DAYS_TO_SECS (tm_day);
to_tm (time_in_sec, tmp);
MIN_TO_SECS(tm_min) + HRS_TO_SECS(tm_hour) + DAYS_TO_SECS(tm_day);
to_tm(time_in_sec, tmp);
}
#endif /* CONFIG_RTC_BF533 && CFG_CMD_DATE */
#endif /* CONFIG_RTC_BFIN && CFG_CMD_DATE */