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Initial support for MPC8641 HPCN board.

This commit is contained in:
Jon Loeliger 2006-04-26 17:58:56 -05:00
parent 76544f80e4
commit debb7354d1
36 changed files with 8435 additions and 20 deletions
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11
Makefile
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@ -114,6 +114,9 @@ endif
ifeq ($(CPU),mpc85xx)
OBJS += cpu/$(CPU)/resetvec.o
endif
ifeq ($(CPU),mpc86xx)
OBJS += cpu/$(CPU)/resetvec.o
endif
ifeq ($(CPU),bf533)
OBJS += cpu/$(CPU)/start1.o cpu/$(CPU)/interrupt.o cpu/$(CPU)/cache.o
OBJS += cpu/$(CPU)/cplbhdlr.o cpu/$(CPU)/cplbmgr.o cpu/$(CPU)/flush.o
@ -1414,6 +1417,14 @@ TQM8560_config: unconfig
echo "#define CFG_BOOTFILE \"bootfile=/tftpboot/tqm$${CTYPE}/uImage\0\"">>include/config.h
@./mkconfig -a TQM85xx ppc mpc85xx tqm85xx
#########################################################################
## MPC86xx Systems
#########################################################################
MPC8641HPCN_config: unconfig
@./mkconfig $(@:_config=) ppc mpc86xx mpc8641hpcn
#########################################################################
## 74xx/7xx Systems
#########################################################################

57
board/mpc8641hpcn/Makefile Normal file
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@ -0,0 +1,57 @@
#
# (C) Copyright 2001
# 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 oftree.o
SOBJS := init.o
$(LIB): $(OBJS) $(SOBJS)
$(AR) crv $@ $(OBJS)
%.dtb: %.dts
dtc -f -V 0x10 -I dts -O dtb $< >$@
%.c: %.dtb
xxd -i $< \
| sed -e "s/^unsigned char/const unsigned char/g" \
| sed -e "s/^unsigned int/const unsigned int/g" > $@
clean:
rm -f $(OBJS) $(SOBJS) *.dtb oftree.c
.PHONY: distclean
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
ifeq ($(filter distclean, $(MAKECMDGOALS)),)
-include .depend
endif
#########################################################################

32
board/mpc8641hpcn/config.mk Normal file
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@ -0,0 +1,32 @@
# Copyright 2004 Freescale Semiconductor.
# Modified by Jeff Brown (jeffrey@freescale.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
#
#
# mpc8641hpcn board
# default CCSRBAR is at 0xff700000
# assume U-Boot is less than 0.5MB
#
#TEXT_BASE = 0xfff01000
TEXT_BASE = 0x00400000
PLATFORM_CPPFLAGS += -DCONFIG_MPC86xx=1
PLATFORM_CPPFLAGS += -DCONFIG_MPC8641=1 -maltivec -mabi=altivec -msoft-float

550
board/mpc8641hpcn/flash.c Normal file
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@ -0,0 +1,550 @@
/*
* (C) Copyright 2003 Motorola Inc.
* Xianghua Xiao,(X.Xiao@motorola.com)
*
* (C) Copyright 2000, 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com
* Add support the Sharp chips on the mpc8260ads.
* I started with board/ip860/flash.c and made changes I found in
* the MTD project by David Schleef.
*
* 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>
#if !defined(CFG_NO_FLASH)
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
#if defined(CFG_ENV_IS_IN_FLASH)
# ifndef CFG_ENV_ADDR
# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
# endif
# ifndef CFG_ENV_SIZE
# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
# endif
# ifndef CFG_ENV_SECT_SIZE
# define CFG_ENV_SECT_SIZE CFG_ENV_SIZE
# endif
#endif
#undef DEBUG
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (vu_long *addr, flash_info_t *info);
static int write_word (flash_info_t *info, ulong dest, ulong data);
static int clear_block_lock_bit(vu_long * addr);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
unsigned long size;
int i;
/* Init: enable write,
* or we cannot even write flash commands
*/
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
/* set the default sector offset */
}
/* Static FLASH Bank configuration here - FIXME XXX */
size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size, size<<20);
}
/* Re-do sizing to get full correct info */
size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
flash_info[0].size = size;
#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
/* monitor protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_MONITOR_BASE,
CFG_MONITOR_BASE+monitor_flash_len-1,
&flash_info[0]);
#ifdef CFG_ENV_IS_IN_FLASH
/* ENV protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_ENV_ADDR,
CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1,
&flash_info[0]);
#endif
#endif
return (size);
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t *info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN) {
printf ("missing or unknown FLASH type\n");
return;
}
switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_INTEL: printf ("Intel "); break;
case FLASH_MAN_SHARP: printf ("Sharp "); break;
default: printf ("Unknown Vendor "); break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_28F016SV: printf ("28F016SV (16 Mbit, 32 x 64k)\n");
break;
case FLASH_28F160S3: printf ("28F160S3 (16 Mbit, 32 x 512K)\n");
break;
case FLASH_28F320S3: printf ("28F320S3 (32 Mbit, 64 x 512K)\n");
break;
case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n");
break;
case FLASH_28F640J3A: printf ("28F640J3A (64 Mbit, 64 x 128K)\n");
break;
default: printf ("Unknown Chip Type\n");
break;
}
printf (" Size: %ld MB in %d Sectors\n",
info->size >> 20, info->sector_count);
printf (" Sector Start Addresses:");
for (i=0; i<info->sector_count; ++i) {
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
info->start[i],
info->protect[i] ? " (RO)" : " "
);
}
printf ("\n");
}
/*
* The following code cannot be run from FLASH!
*/
static ulong flash_get_size (vu_long *addr, flash_info_t *info)
{
short i;
ulong value;
ulong base = (ulong)addr;
ulong sector_offset;
#ifdef DEBUG
printf("Check flash at 0x%08x\n",(uint)addr);
#endif
/* Write "Intelligent Identifier" command: read Manufacturer ID */
*addr = 0x90909090;
udelay(20);
asm("sync");
value = addr[0] & 0x00FF00FF;
#ifdef DEBUG
printf("manufacturer=0x%x\n",(uint)value);
#endif
switch (value) {
case MT_MANUFACT: /* SHARP, MT or => Intel */
case INTEL_ALT_MANU:
info->flash_id = FLASH_MAN_INTEL;
break;
default:
#if defined(CONFIG_MPC8641_SIM)
info->flash_id = FLASH_MAN_INTEL;
break;
#else
printf("unknown manufacturer: %x\n", (unsigned int)value);
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* no or unknown flash */
#endif
}
value = addr[1] & 0x00FF00FF; /* device ID */
#ifdef DEBUG
printf("deviceID=0x%x\n",(uint)value);
#endif
switch (value) {
case (INTEL_ID_28F016S):
info->flash_id += FLASH_28F016SV;
info->sector_count = 32;
info->size = 0x00400000;
sector_offset = 0x20000;
break; /* => 2x2 MB */
case (INTEL_ID_28F160S3):
info->flash_id += FLASH_28F160S3;
info->sector_count = 32;
info->size = 0x00400000;
sector_offset = 0x20000;
break; /* => 2x2 MB */
case (INTEL_ID_28F320S3):
info->flash_id += FLASH_28F320S3;
info->sector_count = 64;
info->size = 0x00800000;
sector_offset = 0x20000;
break; /* => 2x4 MB */
case (INTEL_ID_28F640J3A):
info->flash_id += FLASH_28F640J3A;
info->sector_count = 64;
info->size = 0x01000000;
sector_offset = 0x40000;
break; /* => 2x8 MB */
case SHARP_ID_28F016SCL:
case SHARP_ID_28F016SCZ:
info->flash_id = FLASH_MAN_SHARP | FLASH_LH28F016SCT;
info->sector_count = 32;
info->size = 0x00800000;
sector_offset = 0x40000;
break; /* => 4x2 MB */
default:
#if defined(CONFIG_MPC8641_SIM)
info->flash_id += FLASH_28F640J3A;
info->sector_count = 64;
info->size = 0x01000000;
sector_offset = 0x40000;
break; /* => 2x8 MB */
#else
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
#endif
}
/* set up sector start address table */
for (i = 0; i < info->sector_count; i++) {
info->start[i] = base;
base += sector_offset;
/* don't know how to check sector protection */
info->protect[i] = 0;
}
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
addr = (vu_long *)info->start[0];
*addr = 0xFFFFFF; /* reset bank to read array mode */
asm("sync");
}
return (info->size);
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
int flag, prot, sect;
ulong start, now, last;
if ((s_first < 0) || (s_first > s_last)) {
if (info->flash_id == FLASH_UNKNOWN) {
printf ("- missing\n");
} else {
printf ("- no sectors to erase\n");
}
return 1;
}
if ( ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL)
&& ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) {
printf ("Can't erase unknown flash type %08lx - aborted\n",
info->flash_id);
return 1;
}
prot = 0;
for (sect=s_first; sect<=s_last; ++sect) {
if (info->protect[sect]) {
prot++;
}
}
if (prot) {
printf ("- Warning: %d protected sectors will not be erased!\n",
prot);
} else {
printf ("\n");
}
#ifdef DEBUG
printf("\nFlash Erase:\n");
#endif
/* Make Sure Block Lock Bit is not set. */
if(clear_block_lock_bit((vu_long *)(info->start[s_first]))){
return 1;
}
/* Start erase on unprotected sectors */
#if defined(DEBUG)
printf("Begin to erase now,s_first=0x%x s_last=0x%x...\n",s_first,s_last);
#endif
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
vu_long *addr = (vu_long *)(info->start[sect]);
asm("sync");
last = start = get_timer (0);
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Reset Array */
*addr = 0xffffffff;
asm("sync");
/* Clear Status Register */
*addr = 0x50505050;
asm("sync");
/* Single Block Erase Command */
*addr = 0x20202020;
asm("sync");
/* Confirm */
*addr = 0xD0D0D0D0;
asm("sync");
if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) {
/* Resume Command, as per errata update */
*addr = 0xD0D0D0D0;
asm("sync");
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
while ((*addr & 0x00800080) != 0x00800080) {
if(*addr & 0x00200020){
printf("Error in Block Erase - Lock Bit may be set!\n");
printf("Status Register = 0x%X\n", (uint)*addr);
*addr = 0xFFFFFFFF; /* reset bank */
asm("sync");
return 1;
}
if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
*addr = 0xFFFFFFFF; /* reset bank */
asm("sync");
return 1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
putc ('.');
last = now;
}
}
/* reset to read mode */
*addr = 0xFFFFFFFF;
asm("sync");
}
}
printf ("flash erase done\n");
return 0;
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
ulong cp, wp, data;
int i, l, rc;
wp = (addr & ~3); /* get lower word aligned address */
/*
* handle unaligned start bytes
*/
if ((l = addr - wp) != 0) {
data = 0;
for (i=0, cp=wp; i<l; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
for (; i<4 && cnt>0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
for (; cnt==0 && i<4; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
if ((rc = write_word(info, wp, data)) != 0) {
return (rc);
}
wp += 4;
}
/*
* handle word aligned part
*/
while (cnt >= 4) {
data = 0;
for (i=0; i<4; ++i) {
data = (data << 8) | *src++;
}
if ((rc = write_word(info, wp, data)) != 0) {
return (rc);
}
wp += 4;
cnt -= 4;
}
if (cnt == 0) {
return (0);
}
/*
* handle unaligned tail bytes
*/
data = 0;
for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
data = (data << 8) | *src++;
--cnt;
}
for (; i<4; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
return (write_word(info, wp, data));
}
/*-----------------------------------------------------------------------
* Write a word to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_word (flash_info_t *info, ulong dest, ulong data)
{
vu_long *addr = (vu_long *)dest;
ulong start, csr;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Write Command */
*addr = 0x10101010;
asm("sync");
/* Write Data */
*addr = data;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* data polling for D7 */
start = get_timer (0);
flag = 0;
while (((csr = *addr) & 0x00800080) != 0x00800080) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
flag = 1;
break;
}
}
if (csr & 0x40404040) {
printf ("CSR indicates write error (%08lx) at %08lx\n", csr, (ulong)addr);
flag = 1;
}
/* Clear Status Registers Command */
*addr = 0x50505050;
asm("sync");
/* Reset to read array mode */
*addr = 0xFFFFFFFF;
asm("sync");
return (flag);
}
/*-----------------------------------------------------------------------
* Clear Block Lock Bit, returns:
* 0 - OK
* 1 - Timeout
*/
static int clear_block_lock_bit(vu_long * addr)
{
ulong start, now;
/* Reset Array */
*addr = 0xffffffff;
asm("sync");
/* Clear Status Register */
*addr = 0x50505050;
asm("sync");
*addr = 0x60606060;
asm("sync");
*addr = 0xd0d0d0d0;
asm("sync");
start = get_timer (0);
while((*addr & 0x00800080) != 0x00800080){
if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout on clearing Block Lock Bit\n");
*addr = 0xFFFFFFFF; /* reset bank */
asm("sync");
return 1;
}
}
return 0;
}
#endif /* !CFG_NO_FLASH */

172
board/mpc8641hpcn/init.S Normal file
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@ -0,0 +1,172 @@
/*
* Copyright 2004 Freescale Semiconductor.
* Jeff Brown (jeffrey@freescale.com)
* Srikanth Srinivasan (srikanth.srinivasan@freescale.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 <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <config.h>
#include <mpc86xx.h>
/*
* LAW(Local Access Window) configuration:
*
* 0x0000_0000 0x7fff_ffff DDR 2G
* 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
* 0xa000_0000 0xbfff_ffff PCI2 MEM 512M
* 0xc000_0000 0xdfff_ffff RapidIO 512M
* 0xe000_0000 0xe000_ffff CCSR 1M
* 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
* 0xe300_0000 0xe3ff_ffff PCI2 IO 16M
* 0xf000_0000 0xf7ff_ffff SDRAM 128M
* 0xf800_0000 0xf80f_ffff BCSR 1M
* 0xfe00_0000 0xffff_ffff FLASH (boot bank) 32M
*
* Notes:
* CCSRBAR don't need a configured Local Access Window.
* If flash is 8M at default position (last 8M), no LAW needed.
*/
#if !defined(CONFIG_SPD_EEPROM)
#define LAWBAR1 ((CFG_DDR_SDRAM_BASE>>12) & 0xffffff)
#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_DDR1 | (LAWAR_SIZE & LAWAR_SIZE_256M))
#else
#define LAWBAR1 0
#define LAWAR1 ((LAWAR_TRGT_IF_DDR1 | (LAWAR_SIZE & LAWAR_SIZE_512M)) & ~LAWAR_EN)
#endif
#define LAWBAR2 ((CFG_PCI1_MEM_BASE>>12) & 0xffffff)
#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWBAR3 ((CFG_PCI2_MEM_BASE>>12) & 0xffffff)
/*#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)) */
#define LAWAR3 (~LAWAR_EN & (LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)))
/*
* This is not so much the SDRAM map as it is the whole localbus map.
*/
#define LAWBAR4 ((0xf8100000>>12) & 0xffffff)
#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_2M))
#define LAWBAR5 ((CFG_PCI1_IO_BASE>>12) & 0xffffff)
#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M))
#define LAWBAR6 ((CFG_PCI2_IO_BASE>>12) & 0xffffff)
/*#define LAWAR6 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M)) */
#define LAWAR6 (~LAWAR_EN &( LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M)))
#define LAWBAR7 ((0xfe000000 >>12) & 0xffffff)
#define LAWAR7 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_32M))
/*
* Rapid IO at 0xc000_0000 for 512 M
*/
/*
#ifdef CFG_INIT_RAM_LOCK
#define LAWBAR7 ((CFG_RIO_MEM_BASE>>12) & 0xffffff)
#define LAWAR7 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M))
#endif
*/
/*
* Stack at 0xfc00_0000 for 32M on LBC
*/
#if !defined(CFG_INIT_RAM_LOCK)
#define LAWBAR7 ((CFG_INIT_RAM_ADDR>>12) & 0xffffff)
#define LAWAR7 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_32M))
#endif
.section .bootpg, "ax"
.globl law_entry
law_entry:
lis r7,CFG_CCSRBAR@h
ori r7,r7,CFG_CCSRBAR@l
addi r4,r7,0
addi r5,r7,0
/* Skip LAWAR0, start at LAWAR1 */
lis r6,LAWBAR1@h
ori r6,r6,LAWBAR1@l
stwu r6, 0xc28(r4)
lis r6,LAWAR1@h
ori r6,r6,LAWAR1@l
stwu r6, 0xc30(r5)
/* LAWBAR2, LAWAR2 */
lis r6,LAWBAR2@h
ori r6,r6,LAWBAR2@l
stwu r6, 0x20(r4)
lis r6,LAWAR2@h
ori r6,r6,LAWAR2@l
stwu r6, 0x20(r5)
/* LAWBAR3, LAWAR3 */
lis r6,LAWBAR3@h
ori r6,r6,LAWBAR3@l
stwu r6, 0x20(r4)
lis r6,LAWAR3@h
ori r6,r6,LAWAR3@l
stwu r6, 0x20(r5)
/* LAWBAR4, LAWAR4 */
lis r6,LAWBAR4@h
ori r6,r6,LAWBAR4@l
stwu r6, 0x20(r4)
lis r6,LAWAR4@h
ori r6,r6,LAWAR4@l
stwu r6, 0x20(r5)
/* LAWBAR5, LAWAR5 */
lis r6,LAWBAR5@h
ori r6,r6,LAWBAR5@l
stwu r6, 0x20(r4)
lis r6,LAWAR5@h
ori r6,r6,LAWAR5@l
stwu r6, 0x20(r5)
/* LAWBAR6, LAWAR6 */
lis r6,LAWBAR6@h
ori r6,r6,LAWBAR6@l
stwu r6, 0x20(r4)
lis r6,LAWAR6@h
ori r6,r6,LAWAR6@l
stwu r6, 0x20(r5)
/* LAWBAR7, LAWAR7 */
lis r6,LAWBAR7@h
ori r6,r6,LAWBAR7@l
stwu r6, 0x20(r4)
lis r6,LAWAR7@h
ori r6,r6,LAWAR7@l
stwu r6, 0x20(r5)
blr

315
board/mpc8641hpcn/mpc8641hpcn.c Normal file
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@ -0,0 +1,315 @@
/*
* Copyright 2004 Freescale Semiconductor.
* Jeff Brown (jeffrey@freescale.com)
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
*
* (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.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 <common.h>
#include <pci.h>
#include <asm/processor.h>
#include <asm/immap_86xx.h>
#include <spd.h>
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
extern void ft_cpu_setup(void *blob, bd_t *bd);
#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
extern long int spd_sdram(void);
void local_bus_init(void);
void sdram_init(void);
long int fixed_sdram(void);
int board_early_init_f (void)
{
return 0;
}
int checkboard (void)
{
puts("Board: MPC8641HPCN\n");
#ifdef CONFIG_PCI
/* Sri: Note that at this point we will only test on PCI1
*/
volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
volatile ccsr_gur_t *gur = &immap->im_gur;
volatile ccsr_pex_t *pex1 = &immap->im_pex1;
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
if ((io_sel==2 || io_sel==3 || io_sel==5 || io_sel==6 || io_sel==7 || io_sel==0xF ) && !(devdisr & MPC86xx_DEVDISR_PCIEX1)){
debug ("PCI-EXPRESS 1: %s \n",
pex1_agent ? "Agent" : "Host");
debug("0x%08x=0x%08x ", &pex1->pme_msg_det,pex1->pme_msg_det);
if (pex1->pme_msg_det) {
pex1->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pex1->pme_msg_det);
}
debug ("\n");
} else {
printf ("PCI-EXPRESS 1: Disabled\n");
}
#else
printf("PCI-EXPRESS1: Disabled\n");
#endif
/*
* Initialize local bus.
*/
local_bus_init();
return 0;
}
long int
initdram(int board_type)
{
long dram_size = 0;
extern long spd_sdram (void);
#if defined(CONFIG_SPD_EEPROM)
dram_size = spd_sdram ();
#else
dram_size = fixed_sdram ();
#endif
#if defined(CFG_RAMBOOT)
puts(" DDR: ");
return dram_size;
#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/*
* Initialize and enable DDR ECC.
*/
ddr_enable_ecc(dram_size);
#endif
/*
* Initialize SDRAM. Currently HPCN doesn't have
* SDRAM but we'll leave this here for now
* in case someone changes their mind
*/
#if !defined(CONFIG_MPC8641HPCN)
// sdram_init();
#endif
puts(" DDR: ");
return dram_size;
}
/*
* Initialize Local Bus
*/
void
local_bus_init(void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_lbc_t *lbc = &immap->im_lbc;
uint clkdiv;
uint lbc_hz;
sys_info_t sysinfo;
/*
* Errata LBC11.
* Fix Local Bus clock glitch when DLL is enabled.
*
* If localbus freq is < 66Mhz, DLL bypass mode must be used.
* If localbus freq is > 133Mhz, DLL can be safely enabled.
* Between 66 and 133, the DLL is enabled with an override workaround.
*/
get_sys_info(&sysinfo);
clkdiv = lbc->lcrr & 0x0f;
lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
}
#if defined(CFG_DRAM_TEST)
int testdram (void)
{
uint *pstart = (uint *) CFG_MEMTEST_START;
uint *pend = (uint *) CFG_MEMTEST_END;
uint *p;
printf("SDRAM test phase 1:\n");
for (p = pstart; p < pend; p++)
*p = 0xaaaaaaaa;
for (p = pstart; p < pend; p++) {
if (*p != 0xaaaaaaaa) {
printf ("SDRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("SDRAM test phase 2:\n");
for (p = pstart; p < pend; p++)
*p = 0x55555555;
for (p = pstart; p < pend; p++) {
if (*p != 0x55555555) {
printf ("SDRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("SDRAM test passed.\n");
return 0;
}
#endif
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
long int fixed_sdram (void)
{
#if !defined(CFG_RAMBOOT)
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_ddr_t *ddr= &immap->im_ddr1;
ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
ddr->cs0_config = CFG_DDR_CS0_CONFIG;
ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
ddr->sdram_mode_1 = CFG_DDR_MODE_1;
ddr->sdram_mode_2 = CFG_DDR_MODE_2;
ddr->sdram_interval = CFG_DDR_INTERVAL;
ddr->sdram_data_init = CFG_DDR_DATA_INIT;
ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
ddr->sdram_ocd_cntl = CFG_DDR_OCD_CTRL;
ddr->sdram_ocd_status = CFG_DDR_OCD_STATUS;
#if defined (CONFIG_DDR_ECC)
ddr->err_disable = 0x0000008D;
ddr->err_sbe = 0x00ff0000;
#endif
asm("sync;isync");
udelay(500);
#if defined (CONFIG_DDR_ECC)
/* Enable ECC checking */
ddr->sdram_cfg_1 = (CFG_DDR_CONTROL | 0x20000000);
#else
ddr->sdram_cfg_1 = CFG_DDR_CONTROL;
ddr->sdram_cfg_2 = CFG_DDR_CONTROL2;
#endif
asm("sync; isync");
udelay(500);
#endif
return CFG_SDRAM_SIZE * 1024 * 1024;
}
#endif /* !defined(CONFIG_SPD_EEPROM) */
#if defined(CONFIG_PCI)
/*
* Initialize PCI Devices, report devices found.
*/
#ifndef CONFIG_PCI_PNP
static struct pci_config_table pci_fsl86xxads_config_table[] = {
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
PCI_IDSEL_NUMBER, PCI_ANY_ID,
pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
PCI_ENET0_MEMADDR,
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
} },
{ }
};
#endif
static struct pci_controller hose = {
#ifndef CONFIG_PCI_PNP
config_table: pci_mpc86xxcts_config_table,
#endif
};
#endif /* CONFIG_PCI */
void
pci_init_board(void)
{
#ifdef CONFIG_PCI
extern void pci_mpc86xx_init(struct pci_controller *hose);
pci_mpc86xx_init(&hose);
#endif /* CONFIG_PCI */
}
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
ft_cpu_setup(blob, bd);
p = ft_get_prop(blob, "/memory/reg", &len);
if (p != NULL) {
*p++ = cpu_to_be32(bd->bi_memstart);
*p = cpu_to_be32(bd->bi_memsize);
}
}
#endif
void
after_reloc(ulong dest_addr)
{
DECLARE_GLOBAL_DATA_PTR;
/* now, jump to the main U-Boot board init code */
board_init_r ((gd_t *)gd, dest_addr);
/* NOTREACHED */
}

186
board/mpc8641hpcn/oftree.dts Normal file
View File

@ -0,0 +1,186 @@
/*
* MPC8641 HPCn Device Tree Source
*
* Copyright 2006 Freescale Semiconductor Inc.
*
* 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.
*/
/ {
model = "MPC8641HPCN";
compatible = "mpc86xx";
#address-cells = <1>;
#size-cells = <1>;
linux,phandle = <100>;
cpus {
#cpus = <1>;
#address-cells = <1>;
#size-cells = <0>;
linux,phandle = <200>;
PowerPC,8641@0 {
device_type = "cpu";
reg = <0>;
d-cache-line-size = <20>; // 32 bytes
i-cache-line-size = <20>; // 32 bytes
d-cache-size = <8000>; // L1, 32K
i-cache-size = <8000>; // L1, 32K
timebase-frequency = <0>; // 33 MHz, from uboot
bus-frequency = <0>; // 166 MHz
clock-frequency = <0>; // 825 MHz, from uboot
32-bit;
linux,phandle = <201>;
linux,boot-cpu;
};
};
memory {
device_type = "memory";
linux,phandle = <300>;
reg = <00000000 10000000>; // 256M at 0x0
};
soc8641@f8000000 {
#address-cells = <1>;
#size-cells = <1>;
#interrupt-cells = <2>;
device_type = "soc";
ranges = <0 f8000000 00100000>;
reg = <f8000000 00100000>; // CCSRBAR 1M
bus-frequency = <0>;
i2c@3000 {
device_type = "i2c";
compatible = "fsl-i2c";
reg = <3000 100>;
interrupts = <1b 0>;
interrupt-parent = <40000>;
dfsrr;
};
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "mdio";
compatible = "gianfar";
reg = <24520 20>;
linux,phandle = <24520>;
ethernet-phy@0 {
linux,phandle = <2452000>;
interrupt-parent = <40000>;
interrupts = <35 0>;
reg = <0>;
device_type = "ethernet-phy";
};
ethernet-phy@1 {
linux,phandle = <2452001>;
interrupt-parent = <40000>;
interrupts = <35 0>;
reg = <1>;
device_type = "ethernet-phy";
};
ethernet-phy@2 {
linux,phandle = <2452002>;
interrupt-parent = <40000>;
interrupts = <35 0>;
reg = <2>;
device_type = "ethernet-phy";
};
ethernet-phy@3 {
linux,phandle = <2452003>;
interrupt-parent = <40000>;
interrupts = <35 0>;
reg = <3>;
device_type = "ethernet-phy";
};
};
ethernet@24000 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
address = [ 00 E0 0C 00 73 00 ];
interrupts = <d 3 e 3 12 3>;
interrupt-parent = <40000>;
phy-handle = <2452000>;
};
ethernet@25000 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <25000 1000>;
address = [ 00 E0 0C 00 73 01 ];
interrupts = <13 3 14 3 18 3>;
interrupt-parent = <40000>;
phy-handle = <2452001>;
};
ethernet@26000 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <26000 1000>;
address = [ 00 E0 0C 00 02 FD ];
interrupts = <F 3 10 3 11 3>;
interrupt-parent = <40000>;
phy-handle = <2452002>;
};
ethernet@27000 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <27000 1000>;
address = [ 00 E0 0C 00 03 FD ];
interrupts = <15 3 16 3 17 3>;
interrupt-parent = <40000>;
phy-handle = <2452003>;
};
serial@4500 {
device_type = "serial";
compatible = "ns16550";
reg = <4500 100>; // reg base, size
clock-frequency = <0>; // should we fill in in uboot?
interrupts = <1a 3>;
interrupt-parent = <40000>;
};
serial@4600 {
device_type = "serial";
compatible = "ns16550";
reg = <4600 100>; // reg base, size
clock-frequency = <0>; // should we fill in in uboot?
interrupts = <1a 3>;
interrupt-parent = <40000>;
};
pic@40000 {
linux,phandle = <40000>;
clock-frequency = <0>;
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <2>;
reg = <40000 40000>;
built-in;
compatible = "chrp,open-pic";
device_type = "open-pic";
big-endian;
};
};
};

148
board/mpc8641hpcn/u-boot.lds Normal file
View File

@ -0,0 +1,148 @@
/*
* (C) Copyright 2004, Freescale, Inc.
* (C) Copyright 2002,2003, Motorola,Inc.
* Jeff Brown (jeffrey@freescale.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
*/
OUTPUT_ARCH(powerpc)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
/* .resetvec 0xFFF00100 :
{
*(.resetvec)
} = 0xffff
.bootpg 0xFFF70000 :
{
cpu/mpc86xx/start.o (.bootpg)
board/mpc8641hpcn/init.o (.bootpg)
} = 0xffff
*/
/* Read-only sections, merged into text segment: */
. = + 1024;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
cpu/mpc86xx/start.o (.text)
board/mpc8641hpcn/init.o (.text)
cpu/mpc86xx/traps.o (.text)
cpu/mpc86xx/interrupts.o (.text)
cpu/mpc86xx/cpu_init.o (.text)
cpu/mpc86xx/cpu.o (.text)
cpu/mpc86xx/speed.o (.text)
cpu/mpc86xx/pci.o (.text)
common/dlmalloc.o (.text)
lib_generic/crc32.o (.text)
lib_ppc/extable.o (.text)
lib_generic/zlib.o (.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
*(.got)
_GOT2_TABLE_ = .;
*(.got2)
_FIXUP_TABLE_ = .;
*(.fixup)
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
__fixup_entries = (. - _FIXUP_TABLE_) >> 2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(256);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(256);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
}

10
common/ft_build.c
View File

@ -299,16 +299,16 @@ static void print_data(const void *data, int len)
switch (len) {
case 1: /* byte */
printf(" = <0x%02x>", (*(u8 *) data) & 0xff);
printf(" = <%02x>", (*(u8 *) data) & 0xff);
break;
case 2: /* half-word */
printf(" = <0x%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
printf(" = <%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
break;
case 4: /* word */
printf(" = <0x%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
printf(" = <%x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
break;
case 8: /* double-word */
printf(" = <0x%16llx>", be64_to_cpu(*(uint64_t *) data));
printf(" = <%qx>", be64_to_cpu(*(uint64_t *) data));
break;
default: /* anything else... hexdump */
printf(" = [");
@ -350,7 +350,7 @@ void ft_dump_blob(const void *bphp)
if (addr == 0 && size == 0)
break;
printf("/memreserve/ 0x%llx 0x%llx;\n", addr, size);
printf("/memreserve/ %qx %qx;\n", addr, size);
}
p = p_struct;

48
cpu/mpc86xx/Makefile Normal file
View File

@ -0,0 +1,48 @@
#
# (C) Copyright 2002,2003 Motorola Inc.
# Xianghua Xiao,X.Xiao@motorola.com
#
# (C) Copyright 2004 Freescale Semiconductor. (MC86xx Port)
# Jeff Brown (Jeffrey@freescale.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 $(TOPDIR)/config.mk
LIB = lib$(CPU).a
START = start.o #resetvec.o
ASOBJS = cache.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
pci.o i2c.o spd_sdram.o
OBJS = $(COBJS)
all: .depend $(START) $(ASOBJS) $(LIB)
$(LIB): $(OBJS)
$(AR) crv $@ $(ASOBJS) $(OBJS)
#########################################################################
.depend: Makefile $(START:.o=.S) $(ASOBJS:.o=.S) $(COBJS:.o=.c)
$(CC) -M $(CFLAGS) $(START:.o=.S) $(ASOBJS:.o=.S) $(COBJS:.o=.c) > $@
sinclude .depend
#########################################################################

368
cpu/mpc86xx/cache.S Normal file
View File

@ -0,0 +1,368 @@
#include <config.h>
#include <mpc86xx.h>
#include <version.h>
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#ifndef CACHE_LINE_SIZE
# define CACHE_LINE_SIZE L1_CACHE_BYTES
#endif
#if CACHE_LINE_SIZE == 128
#define LG_CACHE_LINE_SIZE 7
#elif CACHE_LINE_SIZE == 32
#define LG_CACHE_LINE_SIZE 5
#elif CACHE_LINE_SIZE == 16
#define LG_CACHE_LINE_SIZE 4
#elif CACHE_LINE_SIZE == 8
#define LG_CACHE_LINE_SIZE 3
#else
# error "Invalid cache line size!"
#endif
/*
* Most of this code is taken from 74xx_7xx/cache.S
* and then cleaned up a bit
*/
/*
* Invalidate L1 instruction cache.
*/
_GLOBAL(invalidate_l1_instruction_cache)
/* use invalidate-all bit in HID0 */
mfspr r3,HID0
ori r3,r3,HID0_ICFI
mtspr HID0,r3
isync
blr
/*
* Invalidate L1 data cache.
*/
_GLOBAL(invalidate_l1_data_cache)
mfspr r3,HID0
ori r3,r3,HID0_DCFI
mtspr HID0,r3
isync
blr
/*
* Flush data cache.
*/
_GLOBAL(flush_data_cache)
lis r3,0
lis r5,CACHE_LINE_SIZE
flush:
cmp 0,1,r3,r5
bge done
lwz r5,0(r3)
lis r5,CACHE_LINE_SIZE
addi r3,r3,0x4
b flush
done:
blr
/*
* Write any modified data cache blocks out to memory
* and invalidate the corresponding instruction cache blocks.
* This is a no-op on the 601.
*
* flush_icache_range(unsigned long start, unsigned long stop)
*/
_GLOBAL(flush_icache_range)
li r5,CACHE_LINE_SIZE-1
andc r3,r3,r5
subf r4,r3,r4
add r4,r4,r5
srwi. r4,r4,LG_CACHE_LINE_SIZE
beqlr
mtctr r4
mr r6,r3
1: dcbst 0,r3
addi r3,r3,CACHE_LINE_SIZE
bdnz 1b
sync /* wait for dcbst's to get to ram */
mtctr r4
2: icbi 0,r6
addi r6,r6,CACHE_LINE_SIZE
bdnz 2b
sync /* additional sync needed on g4 */
isync
blr
/*
* Write any modified data cache blocks out to memory.
* Does not invalidate the corresponding cache lines (especially for
* any corresponding instruction cache).
*
* clean_dcache_range(unsigned long start, unsigned long stop)
*/
_GLOBAL(clean_dcache_range)
li r5,CACHE_LINE_SIZE-1
andc r3,r3,r5 /* align r3 down to cache line */
subf r4,r3,r4 /* r4 = offset of stop from start of cache line */
add r4,r4,r5 /* r4 += cache_line_size-1 */
srwi. r4,r4,LG_CACHE_LINE_SIZE /* r4 = number of cache lines to flush */
beqlr /* if r4 == 0 return */
mtctr r4 /* ctr = r4 */
sync
1: dcbst 0,r3
addi r3,r3,CACHE_LINE_SIZE
bdnz 1b
sync /* wait for dcbst's to get to ram */
blr
/*
* Write any modified data cache blocks out to memory
* and invalidate the corresponding instruction cache blocks.
*
* flush_dcache_range(unsigned long start, unsigned long stop)
*/
_GLOBAL(flush_dcache_range)
li r5,CACHE_LINE_SIZE-1
andc r3,r3,r5
subf r4,r3,r4
add r4,r4,r5
srwi. r4,r4,LG_CACHE_LINE_SIZE
beqlr
mtctr r4
sync
1: dcbf 0,r3
addi r3,r3,CACHE_LINE_SIZE
bdnz 1b
sync /* wait for dcbf's to get to ram */
blr
/*
* Like above, but invalidate the D-cache. This is used by the 8xx
* to invalidate the cache so the PPC core doesn't get stale data
* from the CPM (no cache snooping here :-).
*
* invalidate_dcache_range(unsigned long start, unsigned long stop)
*/
_GLOBAL(invalidate_dcache_range)
li r5,CACHE_LINE_SIZE-1
andc r3,r3,r5
subf r4,r3,r4
add r4,r4,r5
srwi. r4,r4,LG_CACHE_LINE_SIZE
beqlr
mtctr r4
sync
1: dcbi 0,r3
addi r3,r3,CACHE_LINE_SIZE
bdnz 1b
sync /* wait for dcbi's to get to ram */
blr
/*
* Flush a particular page from the data cache to RAM.
* Note: this is necessary because the instruction cache does *not*
* snoop from the data cache.
*
* void __flush_page_to_ram(void *page)
*/
_GLOBAL(__flush_page_to_ram)
rlwinm r3,r3,0,0,19 /* Get page base address */
li r4,4096/CACHE_LINE_SIZE /* Number of lines in a page */
mtctr r4
mr r6,r3
0: dcbst 0,r3 /* Write line to ram */
addi r3,r3,CACHE_LINE_SIZE
bdnz 0b
sync
mtctr r4
1: icbi 0,r6
addi r6,r6,CACHE_LINE_SIZE
bdnz 1b
sync
isync
blr
/*
* Flush a particular page from the instruction cache.
* Note: this is necessary because the instruction cache does *not*
* snoop from the data cache.
*
* void __flush_icache_page(void *page)
*/
_GLOBAL(__flush_icache_page)
li r4,4096/CACHE_LINE_SIZE /* Number of lines in a page */
mtctr r4
1: icbi 0,r3
addi r3,r3,CACHE_LINE_SIZE
bdnz 1b
sync
isync
blr
/*
* Clear a page using the dcbz instruction, which doesn't cause any
* memory traffic (except to write out any cache lines which get
* displaced). This only works on cacheable memory.
*/
_GLOBAL(clear_page)
li r0,4096/CACHE_LINE_SIZE
mtctr r0
1: dcbz 0,r3
addi r3,r3,CACHE_LINE_SIZE
bdnz 1b
blr
/*
* Enable L1 Instruction cache
*/
_GLOBAL(icache_enable)
mfspr r3, HID0
li r5, HID0_ICFI|HID0_ILOCK
andc r3, r3, r5
ori r3, r3, HID0_ICE
ori r5, r3, HID0_ICFI
mtspr HID0, r5
mtspr HID0, r3
isync
blr
/*
* Disable L1 Instruction cache
*/
_GLOBAL(icache_disable)
mfspr r3, HID0
li r5, 0
ori r5, r5, HID0_ICE
andc r3, r3, r5
mtspr HID0, r3
isync
blr
/*
* Is instruction cache enabled?
*/
_GLOBAL(icache_status)
mfspr r3, HID0
andi. r3, r3, HID0_ICE
blr
_GLOBAL(l1dcache_enable)
mfspr r3, HID0
li r5, HID0_DCFI|HID0_DLOCK
andc r3, r3, r5
mtspr HID0, r3 /* no invalidate, unlock */
ori r3, r3, HID0_DCE
ori r5, r3, HID0_DCFI
mtspr HID0, r5 /* enable + invalidate */
mtspr HID0, r3 /* enable */
sync
blr
/*
* Enable data cache(s) - L1 and optionally L2
* Calls l2cache_enable. LR saved in r5
*/
_GLOBAL(dcache_enable)
mfspr r3, HID0
li r5, HID0_DCFI|HID0_DLOCK
andc r3, r3, r5
mtspr HID0, r3 /* no invalidate, unlock */
ori r3, r3, HID0_DCE
ori r5, r3, HID0_DCFI
mtspr HID0, r5 /* enable + invalidate */
mtspr HID0, r3 /* enable */
sync
#ifdef CFG_L2
mflr r5
bl l2cache_enable /* uses r3 and r4 */
sync
mtlr r5
#endif
blr
/*
* Disable data cache(s) - L1 and optionally L2
* Calls flush_data_cache and l2cache_disable_no_flush.
* LR saved in r4
*/
_GLOBAL(dcache_disable)
mflr r4 /* save link register */
bl flush_data_cache /* uses r3 and r5 */
sync
mfspr r3, HID0
li r5, HID0_DCFI|HID0_DLOCK
andc r3, r3, r5
mtspr HID0, r3 /* no invalidate, unlock */
li r5, HID0_DCE|HID0_DCFI
andc r3, r3, r5 /* no enable, no invalidate */
mtspr HID0, r3
sync
#ifdef CFG_L2
bl l2cache_disable_no_flush /* uses r3 */
#endif
mtlr r4 /* restore link register */
blr
/*
* Is data cache enabled?
*/
_GLOBAL(dcache_status)
mfspr r3, HID0
andi. r3, r3, HID0_DCE
blr
/*
* Invalidate L2 cache using L2I and polling L2IP
*/
_GLOBAL(l2cache_invalidate)
sync
oris r3, r3, L2CR_L2I@h
sync
mtspr l2cr, r3
sync
invl2:
mfspr r3, l2cr
andi. r3, r3, L2CR_L2IP
bne invl2
/* turn off the global invalidate bit */
mfspr r3, l2cr
rlwinm r3, r3, 0, 11, 9
sync
mtspr l2cr, r3
sync
blr
/*
* Enable L2 cache
* Calls l2cache_invalidate. LR is saved in r4
*/
_GLOBAL(l2cache_enable)
mflr r4 /* save link register */
bl l2cache_invalidate /* uses r3 */
sync
lis r3, L2_ENABLE@h
ori r3, r3, L2_ENABLE@l
mtspr l2cr, r3
isync
mtlr r4 /* restore link register */
blr
/*
* Disable L2 cache
* Calls flush_data_cache. LR is saved in r4
*/
_GLOBAL(l2cache_disable)
mflr r4 /* save link register */
bl flush_data_cache /* uses r3 and r5 */
sync
mtlr r4 /* restore link register */
l2cache_disable_no_flush: /* provide way to disable L2 w/o flushing */
lis r3, L2_INIT@h
ori r3, r3, L2_INIT@l
mtspr l2cr, r3
isync
blr

26
cpu/mpc86xx/config.mk Normal file
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@ -0,0 +1,26 @@
#
# (C) Copyright 2004 Freescale Semiconductor.
# Jeff Brown <jeffrey@freescale.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
#
PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi
PLATFORM_CPPFLAGS += -DCONFIG_MPC86xx -ffixed-r2 -ffixed-r29 -mstring

669
cpu/mpc86xx/cpu.c Normal file
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/*
* Copyright 2004 Freescale Semiconductor
* Jeff Brown (jeffrey@freescale.com)
* Srikanth Srinivasan (srikanth.srinivasan@freescale.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 <common.h>
#include <watchdog.h>
#include <command.h>
#include <asm/cache.h>
#include <mpc86xx.h>
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#endif
// SS: For debug only, remove after use
static __inline__ unsigned long get_dbat3u (void)
{
unsigned long dbat3u;
asm volatile("mfspr %0, 542" : "=r" (dbat3u) :);
return dbat3u;
}
static __inline__ unsigned long get_dbat3l (void)
{
unsigned long dbat3l;
asm volatile("mfspr %0, 543" : "=r" (dbat3l) :);
return dbat3l;
}
static __inline__ unsigned long get_msr (void)
{
unsigned long msr;
asm volatile("mfmsr %0" : "=r" (msr) :);
return msr;
}
extern unsigned long get_board_sys_clk(ulong dummy);
int checkcpu (void)
{
sys_info_t sysinfo;
uint pvr, svr;
uint ver;
uint major, minor;
uint lcrr; /* local bus clock ratio register */
uint clkdiv; /* clock divider portion of lcrr */
puts("Freescale PowerPC\n");
pvr = get_pvr();
ver = PVR_VER(pvr);
major = PVR_MAJ(pvr);
minor = PVR_MIN(pvr);
puts ("CPU:\n");
printf(" Core: ");
switch (ver) {
case PVR_VER(PVR_86xx):
puts("E600");
break;
default:
puts("Unknown");
break;
}
printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
svr = get_svr();
ver = SVR_VER(svr);
major = SVR_MAJ(svr);
minor = SVR_MIN(svr);
puts(" System: ");
switch (ver) {
case SVR_8641:
puts("8641");
break;
case SVR_8641D:
puts("8641D");
break;
default:
puts("Unknown");
break;
}
printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
get_sys_info(&sysinfo);
puts(" Clocks: ");
printf("CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000);
printf("MPX:%4lu MHz, ", sysinfo.freqSystemBus / 1000000);
printf("DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000);
#if defined(CFG_LBC_LCRR)
lcrr = CFG_LBC_LCRR;
#else
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_lbc_t *lbc= &immap->im_lbc;
lcrr = lbc->lcrr;
}
#endif
clkdiv = lcrr & 0x0f;
if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
printf("LBC:%4lu MHz\n",
sysinfo.freqSystemBus / 1000000 / clkdiv);
} else {
printf(" LBC: unknown (lcrr: 0x%08x)\n", lcrr);
}
printf(" L2: ");
if (get_l2cr() & 0x80000000)
printf("Enabled\n");
else
printf("Disabled\n");
return (0);
}
/* -------------------------------------------------------------------- */
static inline void
soft_restart(unsigned long addr)
{
#ifndef CONFIG_MPC8641HPCN
/* SRR0 has system reset vector, SRR1 has default MSR value */
/* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
__asm__ __volatile__ ("mtspr 26, %0" :: "r" (addr));
__asm__ __volatile__ ("li 4, (1 << 6)" ::: "r4");
__asm__ __volatile__ ("mtspr 27, 4");
__asm__ __volatile__ ("rfi");
#else /* CONFIG_MPC8641HPCN */
out8(PIXIS_BASE+PIXIS_RST,0);
#endif /* !CONFIG_MPC8641HPCN */
while(1); /* not reached */
}
#ifdef CONFIG_MPC8641HPCN
int set_px_sysclk(ulong sysclk)
{
u8 sysclk_s, sysclk_r, sysclk_v, vclkh, vclkl, sysclk_aux,tmp;
/* Per table 27, page 58 of MPC8641HPCN spec*/
switch(sysclk)
{
case 33:
sysclk_s = 0x04;
sysclk_r = 0x04;
sysclk_v = 0x07;
sysclk_aux = 0x00;
break;
case 40:
sysclk_s = 0x01;
sysclk_r = 0x1F;
sysclk_v = 0x20;
sysclk_aux = 0x01;
break;
case 50:
sysclk_s = 0x01;
sysclk_r = 0x1F;
sysclk_v = 0x2A;
sysclk_aux = 0x02;
break;
case 66:
sysclk_s = 0x01;
sysclk_r = 0x04;
sysclk_v = 0x04;
sysclk_aux = 0x03;
break;
case 83:
sysclk_s = 0x01;
sysclk_r = 0x1F;
sysclk_v = 0x4B;
sysclk_aux = 0x04;
break;
case 100:
sysclk_s = 0x01;
sysclk_r = 0x1F;
sysclk_v = 0x5C;
sysclk_aux = 0x05;
break;
case 134:
sysclk_s = 0x06;
sysclk_r = 0x1F;
sysclk_v = 0x3B;
sysclk_aux = 0x06;
break;
case 166:
sysclk_s = 0x06;
sysclk_r = 0x1F;
sysclk_v = 0x4B;
sysclk_aux = 0x07;
break;
default:
printf("Unsupported SYSCLK frequency.\n");
return 0;
}
vclkh = (sysclk_s << 5) | sysclk_r ;
vclkl = sysclk_v;
out8(PIXIS_BASE+PIXIS_VCLKH,vclkh);
out8(PIXIS_BASE+PIXIS_VCLKL,vclkl);
out8(PIXIS_BASE+PIXIS_AUX,sysclk_aux);
return 1;
}
int set_px_mpxpll(ulong mpxpll)
{
u8 tmp;
u8 val;
switch(mpxpll)
{
case 2:
case 4:
case 6:
case 8:
case 10:
case 12:
case 14:
case 16:
val = (u8)mpxpll;
break;
default:
printf("Unsupported MPXPLL ratio.\n");
return 0;
}
tmp = in8(PIXIS_BASE+PIXIS_VSPEED1);
tmp = (tmp & 0xF0) | (val & 0x0F);
out8(PIXIS_BASE+PIXIS_VSPEED1,tmp);
return 1;
}
int set_px_corepll(ulong corepll)
{
u8 tmp;
u8 val;
switch((int)corepll)
{
case 20:
val = 0x08;
break;
case 25:
val = 0x0C;
break;
case 30:
val = 0x10;
break;
case 35:
val = 0x1C;
break;
case 40:
val = 0x14;
break;
case 45:
val = 0x0E;
break;
default:
printf("Unsupported COREPLL ratio.\n");
return 0;
}
tmp = in8(PIXIS_BASE+PIXIS_VSPEED0);
tmp = (tmp & 0xE0) | (val & 0x1F);
out8(PIXIS_BASE+PIXIS_VSPEED0,tmp);
return 1;
}
void read_from_px_regs(int set)
{
u8 tmp, mask = 0x1C;
tmp = in8(PIXIS_BASE+PIXIS_VCFGEN0);
if (set)
tmp = tmp | mask;
else
tmp = tmp & ~mask;
out8(PIXIS_BASE+PIXIS_VCFGEN0,tmp);
}
void read_from_px_regs_altbank(int set)
{
u8 tmp, mask = 0x04;
tmp = in8(PIXIS_BASE+PIXIS_VCFGEN1);
if (set)
tmp = tmp | mask;
else
tmp = tmp & ~mask;
out8(PIXIS_BASE+PIXIS_VCFGEN1,tmp);
}
void set_altbank(void)
{
u8 tmp;
tmp = in8(PIXIS_BASE+PIXIS_VBOOT);
tmp ^= 0x40;
out8(PIXIS_BASE+PIXIS_VBOOT,tmp);
}
void set_px_go(void)
{
u8 tmp;
tmp = in8(PIXIS_BASE+PIXIS_VCTL);
tmp = tmp & 0x1E;
out8(PIXIS_BASE+PIXIS_VCTL,tmp);
tmp = in8(PIXIS_BASE+PIXIS_VCTL);
tmp = tmp | 0x01;
out8(PIXIS_BASE+PIXIS_VCTL,tmp);
}
void set_px_go_with_watchdog(void)
{
u8 tmp;
tmp = in8(PIXIS_BASE+PIXIS_VCTL);
tmp = tmp & 0x1E;
out8(PIXIS_BASE+PIXIS_VCTL,tmp);
tmp = in8(PIXIS_BASE+PIXIS_VCTL);
tmp = tmp | 0x09;
out8(PIXIS_BASE+PIXIS_VCTL,tmp);
}
/* This function takes the non-integral cpu:mpx pll ratio
* and converts it to an integer that can be used to assign
* FPGA register values.
* input: strptr i.e. argv[2]
*/
ulong strfractoint(uchar *strptr)
{
int i,j,retval,intarr_len=0, decarr_len=0, mulconst, no_dec=0;
ulong intval =0, decval=0;
uchar intarr[3], decarr[3];
/* Assign the integer part to intarr[]
* If there is no decimal point i.e.
* if the ratio is an integral value
* simply create the intarr.
*/
i=0;
while(strptr[i] != 46)
{
if(strptr[i] == 0)
{
no_dec = 1;
break; /* Break from loop once the end of string is reached */
}
intarr[i] = strptr[i];
i++;
}
intarr_len = i; /* Assign length of integer part to intarr_len*/
intarr[i] = '\0'; /* */
if(no_dec)
{
mulconst=10; /* Currently needed only for single digit corepll ratios */
decval = 0;
}
else
{
j=0;
i++; /* Skipping the decimal point */
while ((strptr[i] > 47) && (strptr[i] < 58))
{
decarr[j] = strptr[i];
i++;
j++;
}
decarr_len = j;
decarr[j] = '\0';
mulconst=1;
for(i=0; i<decarr_len;i++)
mulconst = mulconst*10;
decval = simple_strtoul(decarr,NULL,10);
}
intval = simple_strtoul(intarr,NULL,10);
intval = intval*mulconst;
retval = intval+decval;
return retval;
}
#endif //CONFIG_MPC8641HPCN
/* no generic way to do board reset. simply call soft_reset. */
void
do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
char cmd;
ulong addr, val;
ulong corepll;
#ifdef CFG_RESET_ADDRESS
addr = CFG_RESET_ADDRESS;
#else
/*
* note: when CFG_MONITOR_BASE points to a RAM address,
* CFG_MONITOR_BASE - sizeof (ulong) is usually a valid
* address. Better pick an address known to be invalid on your
* system and assign it to CFG_RESET_ADDRESS.
*/
addr = CFG_MONITOR_BASE - sizeof (ulong);
#endif
#ifndef CONFIG_MPC8641HPCN
/* flush and disable I/D cache */
__asm__ __volatile__ ("mfspr 3, 1008" ::: "r3");
__asm__ __volatile__ ("ori 5, 5, 0xcc00" ::: "r5");
__asm__ __volatile__ ("ori 4, 3, 0xc00" ::: "r4");
__asm__ __volatile__ ("andc 5, 3, 5" ::: "r5");
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("mtspr 1008, 4");
__asm__ __volatile__ ("isync");
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("mtspr 1008, 5");
__asm__ __volatile__ ("isync");
__asm__ __volatile__ ("sync");
soft_restart(addr);
#else /* CONFIG_MPC8641HPCN */
if(argc > 1)
{
cmd = argv[1][1];
switch(cmd)
{
case 'f': /* reset with frequency changed */
if (argc < 5)
goto my_usage;
read_from_px_regs(0);
val = set_px_sysclk(simple_strtoul(argv[2],NULL,10));
corepll = strfractoint(argv[3]);
val = val + set_px_corepll(corepll);
val = val + set_px_mpxpll(simple_strtoul(argv[4],NULL,10));
if(val == 3)
{
printf("Setting registers VCFGEN0 and VCTL\n");
read_from_px_regs(1);
printf("Resetting board with values from VSPEED0, VSPEED1, VCLKH, and VCLKL ....\n");
set_px_go();
}
else
goto my_usage;
while(1); /* Not reached */
case 'l':
if(argv[2][1] == 'f')
{
read_from_px_regs(0);
read_from_px_regs_altbank(0);
/* reset with frequency changed */
val = set_px_sysclk(simple_strtoul(argv[3],NULL,10));
corepll = strfractoint(argv[4]);
val = val + set_px_corepll(corepll);
val = val + set_px_mpxpll(simple_strtoul(argv[5],NULL,10));
if(val == 3)
{
printf("Setting registers VCFGEN0, VCFGEN1, VBOOT, and VCTL\n");
set_altbank();
read_from_px_regs(1);
read_from_px_regs_altbank(1);
printf("Enabling watchdog timer on the FPGA and resetting board with values from VSPEED0, VSPEED1, VCLKH, and VCLKL to boot from the other bank ....\n");
set_px_go_with_watchdog();
}
else
goto my_usage;
while(1); /* Not reached */
}
else /* Reset from next bank without changing frequencies */
{
read_from_px_regs(0);
read_from_px_regs_altbank(0);
if(argc > 2)
goto my_usage;
printf("Setting registers VCFGEN1, VBOOT, and VCTL\n");
set_altbank();
read_from_px_regs_altbank(1);
printf("Enabling watchdog timer on the FPGA and resetting board to boot from the other bank....\n");
set_px_go_with_watchdog();
while(1); /* Not reached */
}
default:
goto my_usage;
}
my_usage:
printf("\nUsage: reset cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio>\n");
printf(" reset altbank [cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio>]\n");
printf("For example: reset cf 40 2.5 10\n");
printf("See MPC8641HPCN Design Workbook for valid values of command line parameters.\n");
return;
}
else
out8(PIXIS_BASE+PIXIS_RST,0);
#endif /* !CONFIG_MPC8641HPCN */
while(1); /* not reached */
}
/* ------------------------------------------------------------------------- */
/*
* Get timebase clock frequency
*/
unsigned long get_tbclk(void)
{
sys_info_t sys_info;
get_sys_info(&sys_info);
return ((sys_info.freqSystemBus + 3L) / 4L);
}
/* ------------------------------------------------------------------------- */
#if defined(CONFIG_WATCHDOG)
void
watchdog_reset(void)
{
}
#endif /* CONFIG_WATCHDOG */
/* ------------------------------------------------------------------------- */
#if defined(CONFIG_DDR_ECC)
void dma_init(void) {
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_dma_t *dma = &immap->im_dma;
dma->satr0 = 0x00040000;
dma->datr0 = 0x00040000;
asm("sync; isync");
return;
}
uint dma_check(void) {
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_dma_t *dma = &immap->im_dma;
volatile uint status = dma->sr0;
/* While the channel is busy, spin */
while((status & 4) == 4) {
status = dma->sr0;
}
if (status != 0) {
printf ("DMA Error: status = %x\n", status);
}
return status;
}
int dma_xfer(void *dest, uint count, void *src) {
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_dma_t *dma = &immap->im_dma;
dma->dar0 = (uint) dest;
dma->sar0 = (uint) src;
dma->bcr0 = count;
dma->mr0 = 0xf000004;
asm("sync;isync");
dma->mr0 = 0xf000005;
asm("sync;isync");
return dma_check();
}
#endif /* CONFIG_DDR_ECC */
#ifdef CONFIG_OF_FLAT_TREE
void ft_cpu_setup(void *blob, bd_t *bd)
{
u32 *p;
ulong clock;
int len;
clock = bd->bi_busfreq;
p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
if (p != NULL)
*p = cpu_to_be32(clock);
p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len);
if (p != NULL)
*p = cpu_to_be32(clock);
p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len);
if (p != NULL)
*p = cpu_to_be32(clock);
#if defined(CONFIG_MPC86XX_TSEC1)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/address", &len);
memcpy(p, bd->bi_enetaddr, 6);
#endif
#if defined(CONFIG_MPC86XX_TSEC2)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/address", &len);
memcpy(p, bd->bi_enet1addr, 6);
#endif
#if defined(CONFIG_MPC86XX_TSEC3)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/address", &len);
memcpy(p, bd->bi_enet2addr, 6);
#endif
#if defined(CONFIG_MPC86XX_TSEC4)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/address", &len);
memcpy(p, bd->bi_enet3addr, 6);
#endif
}
#endif

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/*
* Copyright 2004 Freescale Semiconductor.
* Jeff Brown (jeffrey@freescale.com)
* Srikanth Srinivasan (srikanth.srinivasan@freescale.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
*/
/*
* cpu_init.c - low level cpu init
*/
#include <common.h>
#include <mpc86xx.h>
/*
* Breathe some life into the CPU...
*
* Set up the memory map
* initialize a bunch of registers
*/
void cpu_init_f (void)
{
DECLARE_GLOBAL_DATA_PTR;
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_lbc_t *memctl = &immap->im_lbc;
//u8 val;
/* Pointer is writable since we allocated a register for it */
gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
/* Clear initial global data */
memset ((void *) gd, 0, sizeof (gd_t));
/* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
* addresses - these have to be modified later when FLASH size
* has been determined
*/
#if defined(CFG_OR0_REMAP)
memctl->or0 = CFG_OR0_REMAP;
#endif
#if defined(CFG_OR1_REMAP)
memctl->or1 = CFG_OR1_REMAP;
#endif
/* now restrict to preliminary range */
#if defined(CFG_BR0_PRELIM) && defined(CFG_OR0_PRELIM)
memctl->br0 = CFG_BR0_PRELIM;
memctl->or0 = CFG_OR0_PRELIM;
#endif
#if defined(CFG_BR1_PRELIM) && defined(CFG_OR1_PRELIM)
memctl->or1 = CFG_OR1_PRELIM;
memctl->br1 = CFG_BR1_PRELIM;
#endif
//#if !defined(CONFIG_MPC86xx)
#if defined(CFG_BR2_PRELIM) && defined(CFG_OR2_PRELIM)
memctl->or2 = CFG_OR2_PRELIM;
memctl->br2 = CFG_BR2_PRELIM;
#endif
//#endif
#if defined(CFG_BR3_PRELIM) && defined(CFG_OR3_PRELIM)
memctl->or3 = CFG_OR3_PRELIM;
memctl->br3 = CFG_BR3_PRELIM;
#endif
#if defined(CFG_BR4_PRELIM) && defined(CFG_OR4_PRELIM)
memctl->or4 = CFG_OR4_PRELIM;
memctl->br4 = CFG_BR4_PRELIM;
#endif
#if defined(CFG_BR5_PRELIM) && defined(CFG_OR5_PRELIM)
memctl->or5 = CFG_OR5_PRELIM;
memctl->br5 = CFG_BR5_PRELIM;
#endif
#if defined(CFG_BR6_PRELIM) && defined(CFG_OR6_PRELIM)
memctl->or6 = CFG_OR6_PRELIM;
memctl->br6 = CFG_BR6_PRELIM;
#endif
#if defined(CFG_BR7_PRELIM) && defined(CFG_OR7_PRELIM)
memctl->or7 = CFG_OR7_PRELIM;
memctl->br7 = CFG_BR7_PRELIM;
#endif
/* enable the timebase bit in HID0 */
set_hid0(get_hid0() | 0x4000000);
/* enable SYNCBE | ABE bits in HID1 */
set_hid1(get_hid1() | 0x00000C00);
/* Since the bats have been set up at this point and
* the local bus registers have been initialized, we
* turn on the WDEN bit in PIXIS_VCTL
*/
/* val = in8(PIXIS_BASE+PIXIS_VCTL); */
/* Set the WDEN */
/* val |= 0x08; */
/* out8(PIXIS_BASE+PIXIS_VCTL,val); */
}
/*
* initialize higher level parts of CPU like timers
*/
int cpu_init_r (void)
{
return (0);
}

273
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/*
* (C) Copyright 2003,Motorola Inc.
* Xianghua Xiao <x.xiao@motorola.com>
* Adapted for Motorola 85xx chip.
*
* (C) Copyright 2003
* Gleb Natapov <gnatapov@mrv.com>
* Some bits are taken from linux driver writen by adrian@humboldt.co.uk
*
* Modified for MPC86xx by Jeff Brown (jeffrey@freescale.com)
*
* Hardware I2C driver for MPC107 PCI bridge.
*
* 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 <command.h>
#include <asm/io.h>
#ifdef CONFIG_HARD_I2C
#include <i2c.h>
#define TIMEOUT (CFG_HZ/4)
#define I2C_Addr ((u8 *)(CFG_CCSRBAR + 0x3100))
#define I2CADR &I2C_Addr[0]
#define I2CFDR &I2C_Addr[4]
#define I2CCCR &I2C_Addr[8]
#define I2CCSR &I2C_Addr[12]
#define I2CCDR &I2C_Addr[16]
#define I2CDFSRR &I2C_Addr[20]
#define I2C_READ 1
#define I2C_WRITE 0
void
i2c_init(int speed, int slaveadd)
{
/* stop I2C controller */
writeb(0x0, I2CCCR);
/* set clock */
writeb(0x3f, I2CFDR);
/* set default filter */
writeb(0x10,I2CDFSRR);
/* write slave address */
writeb(slaveadd, I2CADR);
/* clear status register */
writeb(0x0, I2CCSR);
/* start I2C controller */
writeb(MPC86xx_I2CCR_MEN, I2CCCR);
}
static __inline__ int
i2c_wait4bus (void)
{
ulong timeval = get_timer (0);
// debug("I2C: Wait for bus\n");
while (readb(I2CCSR) & MPC86xx_I2CSR_MBB) {
if (get_timer (timeval) > TIMEOUT) {
return -1;
}
}
return 0;
}
static __inline__ int
i2c_wait (int write)
{
u32 csr;
ulong timeval = get_timer (0);
do {
csr = readb(I2CCSR);
if (!(csr & MPC86xx_I2CSR_MIF))
continue;
writeb(0x0, I2CCSR);
if (csr & MPC86xx_I2CSR_MAL) {
debug("i2c_wait: MAL\n");
return -1;
}
if (!(csr & MPC86xx_I2CSR_MCF)) {
debug("i2c_wait: unfinished\n");
return -1;
}
if (write == I2C_WRITE && (csr & MPC86xx_I2CSR_RXAK)) {
debug("i2c_wait: No RXACK\n");
return -1;
}
return 0;
} while (get_timer (timeval) < TIMEOUT);
debug("i2c_wait: timed out\n");
return -1;
}
static __inline__ int
i2c_write_addr (u8 dev, u8 dir, int rsta)
{
// debug("I2C: Write Addr\n");
writeb(MPC86xx_I2CCR_MEN | MPC86xx_I2CCR_MSTA | MPC86xx_I2CCR_MTX |
(rsta?MPC86xx_I2CCR_RSTA:0),
I2CCCR);
writeb((dev << 1) | dir, I2CCDR);
if (i2c_wait (I2C_WRITE) < 0)
return 0;
return 1;
}
static __inline__ int
__i2c_write (u8 *data, int length)
{
int i;
// debug("I2C: __i2c_write\n");
writeb(MPC86xx_I2CCR_MEN | MPC86xx_I2CCR_MSTA | MPC86xx_I2CCR_MTX,
I2CCCR);
for (i=0; i < length; i++) {
writeb(data[i], I2CCDR);
if (i2c_wait (I2C_WRITE) < 0)
break;
}
return i;
}
static __inline__ int
__i2c_read (u8 *data, int length)
{
int i;
writeb(MPC86xx_I2CCR_MEN | MPC86xx_I2CCR_MSTA |
((length == 1) ? MPC86xx_I2CCR_TXAK : 0),
I2CCCR);
/* dummy read */
readb(I2CCDR);
// debug("length = %d\n", length);
for (i=0; i < length; i++) {
if (i2c_wait (I2C_READ) < 0)
break;
/* Generate ack on last next to last byte */
if (i == length - 2)
writeb(MPC86xx_I2CCR_MEN | MPC86xx_I2CCR_MSTA |
MPC86xx_I2CCR_TXAK,
I2CCCR);
/* Generate stop on last byte */
if (i == length - 1)
writeb(MPC86xx_I2CCR_MEN | MPC86xx_I2CCR_TXAK, I2CCCR);
// debug("I2CCR = 0x%08x\n", readb(I2CCCR));
data[i] = readb(I2CCDR);
// debug("data[i] = 0x%08x\n", data[i]);
}
// debug("Returning i = %d\n", i);
return i;
}
int
i2c_read (u8 dev, uint addr, int alen, u8 *data, int length)
{
int i = 0;
u8 *a = (u8*)&addr;
if (i2c_wait4bus () < 0)
goto exit;
if (i2c_write_addr (dev, I2C_WRITE, 0) == 0)
goto exit;
if (__i2c_write (&a[4 - alen], alen) != alen)
goto exit;
if (i2c_write_addr (dev, I2C_READ, 1) == 0)
goto exit;
i = __i2c_read (data, length);
exit:
writeb(MPC86xx_I2CCR_MEN, I2CCCR);
return !(i == length);
}
int
i2c_write (u8 dev, uint addr, int alen, u8 *data, int length)
{
int i = 0;
u8 *a = (u8*)&addr;
if (i2c_wait4bus () < 0)
goto exit;
if (i2c_write_addr (dev, I2C_WRITE, 0) == 0)
goto exit;
if (__i2c_write (&a[4 - alen], alen) != alen)
goto exit;
i = __i2c_write (data, length);
exit:
writeb(MPC86xx_I2CCR_MEN, I2CCCR);
return !(i == length);
}
int i2c_probe (uchar chip)
{
int tmp;
/*
* Try to read the first location of the chip. The underlying
* driver doesn't appear to support sending just the chip address
* and looking for an <ACK> back.
*/
udelay(10000);
return i2c_read (chip, 0, 1, (char *)&tmp, 1);
}
uchar i2c_reg_read (uchar i2c_addr, uchar reg)
{
char buf[1];
i2c_read (i2c_addr, reg, 1, buf, 1);
return (buf[0]);
}
void i2c_reg_write (uchar i2c_addr, uchar reg, uchar val)
{
i2c_write (i2c_addr, reg, 1, &val, 1);
}
#endif /* CONFIG_HARD_I2C */

225
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/*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2002 (440 port)
* Scott McNutt, Artesyn Communication Producs, smcnutt@artsyncp.com
*
* (C) Copyright 2003 Motorola Inc. (MPC85xx port)
* Xianghua Xiao (X.Xiao@motorola.com)
*
* (C) Copyright 2004 Freescale Semiconductor. (MPC86xx Port)
* Jeff Brown (Jeffrey@freescale.com)
* Srikanth Srinivasan (srikanth.srinivasan@freescale.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 <common.h>
#include <mpc86xx.h>
#include <command.h>
#include <asm/processor.h>
#include <ppc_asm.tmpl>
unsigned long decrementer_count; /* count value for 1e6/HZ microseconds */
unsigned long timestamp;
static __inline__ unsigned long get_msr (void)
{
unsigned long msr;
asm volatile ("mfmsr %0":"=r" (msr):);
return msr;
}
static __inline__ void set_msr (unsigned long msr)
{
asm volatile ("mtmsr %0"::"r" (msr));
}
static __inline__ unsigned long get_dec (void)
{
unsigned long val;
asm volatile ("mfdec %0":"=r" (val):);
return val;
}
static __inline__ void set_dec (unsigned long val)
{
if (val)
asm volatile ("mtdec %0"::"r" (val));
}
/* interrupt is not supported yet */
int interrupt_init_cpu (unsigned *decrementer_count)
{
return (0);
}
int interrupt_init (void)
{
int ret;
/* call cpu specific function from $(CPU)/interrupts.c */
ret = interrupt_init_cpu (&decrementer_count);
if (ret)
return ret;
decrementer_count = get_tbclk()/CFG_HZ;
debug("interrupt init: tbclk() = %d MHz, decrementer_count = %d\n", (get_tbclk()/1000000), decrementer_count);
set_dec (decrementer_count);
set_msr (get_msr () | MSR_EE);
debug("MSR = 0x%08lx, Decrementer reg = 0x%08lx\n", get_msr(), get_dec());
return (0);
}
void enable_interrupts (void)
{
set_msr (get_msr () | MSR_EE);
}
/* returns flag if MSR_EE was set before */
int disable_interrupts (void)
{
ulong msr = get_msr ();
set_msr (msr & ~MSR_EE);
return ((msr & MSR_EE) != 0);
}
void increment_timestamp(void)
{
timestamp++;
}
/*
* timer_interrupt - gets called when the decrementer overflows,
* with interrupts disabled.
* Trivial implementation - no need to be really accurate.
*/
void
timer_interrupt_cpu (struct pt_regs *regs)
{
/* nothing to do here */
return;
}
void timer_interrupt (struct pt_regs *regs)
{
/* call cpu specific function from $(CPU)/interrupts.c */
timer_interrupt_cpu (regs);
timestamp++;
ppcDcbf(&timestamp);
/* Restore Decrementer Count */
set_dec (decrementer_count);
#if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG)
if ((timestamp % (CFG_WATCHDOG_FREQ)) == 0)
WATCHDOG_RESET ();
#endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */
#ifdef CONFIG_STATUS_LED
status_led_tick (timestamp);
#endif /* CONFIG_STATUS_LED */
#ifdef CONFIG_SHOW_ACTIVITY
board_show_activity (timestamp);
#endif /* CONFIG_SHOW_ACTIVITY */
}
void reset_timer (void)
{
timestamp = 0;
}
ulong get_timer (ulong base)
{
return (timestamp - base);
}
void set_timer (ulong t)
{
timestamp = t;
}
/*
* Install and free a interrupt handler. Not implemented yet.
*/
void
irq_install_handler(int vec, interrupt_handler_t *handler, void *arg)
{
return;
}
void
irq_free_handler(int vec)
{
return;
}
/*******************************************************************************
*
* irqinfo - print information about PCI devices,not implemented.
*
*/
int
do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
printf ("\nInterrupt-unsupported:\n");
return 0;
}
/*
* Handle external interrupts
*/
void
external_interrupt(struct pt_regs *regs)
{
puts("external_interrupt (oops!)\n");
}

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/*
* Copyright 2005 Freescale Semiconductor.
* Ed Swarthout (ed.swarthout@freescale.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
*/
/*
* PEX Configuration space access support for MPC85xx PEX Bridge
*/
#include <common.h>
#include <pci.h>
#if defined(CONFIG_PCI)
void
pci_mpc86xx_init(struct pci_controller *hose)
{
volatile immap_t *immap = (immap_t *)CFG_CCSRBAR;
volatile ccsr_pex_t *pex1 = &immap->im_pex1;
volatile ccsr_gur_t *gur = &immap->im_gur;
uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
uint pex1_host = (host1_agent == 2) || (host1_agent == 3);
u16 reg16, reg16_1, reg16_2, reg16_3;
u32 reg32, i;
ulong addr, data;
uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
if ((io_sel==2 || io_sel==3 || io_sel==5 || io_sel==6 || io_sel==7 || io_sel==0xF ) && !(devdisr & MPC86xx_DEVDISR_PCIEX1)){
printf ("PCI-EXPRESS 1: Configured as %s \n",
pex1_agent ? "Agent" : "Host");
printf (" Scanning PCI bus");
debug("0x%08x=0x%08x ", &pex1->pme_msg_det,pex1->pme_msg_det);
if (pex1->pme_msg_det) {
pex1->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pex1->pme_msg_det);
}
debug ("\n");
}
hose->first_busno = 0;
hose->last_busno = 0x7f;
pci_set_region(hose->regions + 0,
CFG_PCI1_MEM_BASE,
CFG_PCI1_MEM_PHYS,
CFG_PCI1_MEM_SIZE,
PCI_REGION_MEM);
pci_set_region(hose->regions + 1,
CFG_PCI1_IO_BASE,
CFG_PCI1_IO_PHYS,
CFG_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 2;
pci_setup_indirect(hose,
(CFG_IMMR+0x8000),
(CFG_IMMR+0x8004));
/*
* Hose scan.
*/
pci_register_hose(hose);
//#define MPC8548_REV1_PEX12_ERRATA
#ifdef MPC8548_REV1_PEX12_ERRATA
/* can only read/write 4 bytes */
pci_read_config_dword (PCI_BDF(0,0,0), PCI_VENDOR_ID, &reg32);
printf("pex_mpc85xx_init: pex cr %2x %8x\n",PCI_VENDOR_ID, reg32);
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg32);
reg32 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg32);
#else
pci_read_config_word (PCI_BDF(0,0,0), PCI_VENDOR_ID, &reg16);
debug("pex_mpc86xx_init: read %2x %4x\n",PCI_VENDOR_ID, reg16);
pci_read_config_word (PCI_BDF(0,0,0), PCI_DEVICE_ID, &reg16);
debug("pex_mpc86xx_init: read %2x %4x\n",PCI_DEVICE_ID, reg16);
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
debug("pex_mpc86xx_init: read %2x %4x\n",PCI_COMMAND, reg16);
#endif
/*
* Clear non-reserved bits in status register.
*/
// pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
// pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
pex1->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
pex1->powar1 = 0x8004401c; /* 512M MEM space */
pex1->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
pex1->potear1 = 0x00000000;
pex1->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
pex1->powar2 = 0x80088017; /* 16M IO space */
pex1->potar2 = 0x00000000;
pex1->potear2 = 0x00000000;
if (!pex1->piwar1) {
pex1->pitar1 = 0x00000000;
pex1->piwbar1 = (0x80000000 >> 12 ) & 0x000fffff;
pex1->piwar1 = 0xa0f5501e; /* Enable, Prefetch, Local Mem,
* Snoop R/W, 2G */
}
pex1->pitar2 = 0x00000000;
pex1->piwbar2 = (0xe2000000 >> 12 ) & 0x000fffff;
pex1->piwar2 = 0xa0f5501e; /* Enable, Prefetch, Local Mem,
/* if (pex1_host) { */
/* #ifdef MPC8548_REV1_PEX12_ERRATA */
/* pci_write_config_dword (PCI_BDF(0,0,0), 0x18, 0x00ff0100); */
/* #else */
*(u32 *)(0xf8008000)= 0x80000000;
debug("Received data for addr 0x%08lx is 0x%08lx\n", *(u32*)(0xf8008000), *(u32*)(0xf8008004));
pci_write_config_byte(PCI_BDF(0,0,0), PCI_PRIMARY_BUS,0x20);
pci_write_config_byte(PCI_BDF(0,0,0), PCI_SECONDARY_BUS,0x00);
pci_write_config_byte(PCI_BDF(0,0,0), PCI_SUBORDINATE_BUS,0x1F);
/* #endif */
*(u32 *)(0xf8008000)= 0x80200000;
debug("Received data for addr 0x%08lx is 0x%08lx\n", *(u32*)(0xf8008000), *(u32*)(0xf8008004));
*(u32 *)(0xf8008000)= 0x80200000;
debug("Received data for addr 0x%08lx is 0x%08lx\n", *(u32*)(0xf8008000), *(u32*)(0xf8008004));
*(u32 *)(0xf8008000)= 0x80200000;
debug("Received data for addr 0x%08lx is 0x%08lx\n", *(u32*)(0xf8008000), *(u32*)(0xf8008004));
hose->last_busno = pci_hose_scan(hose);
hose->last_busno = 0x21;
debug("pex_mpc86xx_init: last_busno %x\n",hose->last_busno);
debug("pex_mpc86xx init: current_busno %x\n ",hose->current_busno);
printf("....PCI scan & enumeration done\n");
/* *(u32 *)(0xf8008000)= 0x80000000 | (0x12 << 11); */
/* printf("Received data for addr 0x%08lx is 0x%08lx\n", *(u32*)(0xf8008000), *(u32*)(0xf8008004)); */
/* if (hose->last_busno < 1) { */
/* hose->last_busno=1; /\*Hack*\/ */
/* } else { */
/* hose->last_busno = 0; */
/* } */
/*}*/
/* pci_read_config_dword (PCI_BDF(1,0,0), 0x18, &reg32); */
/* printf("pex_mpc86xx_init: pex cr %2x %8x\n",0x18, reg32); */
}
#endif /* CONFIG_PCI */

2
cpu/mpc86xx/resetvec.S Normal file
View File

@ -0,0 +1,2 @@
.section .resetvec,"ax"
b _start

1017
cpu/mpc86xx/spd_sdram.c Normal file
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File diff suppressed because it is too large Load Diff

248
cpu/mpc86xx/speed.c Normal file
View File

@ -0,0 +1,248 @@
/*
* Copyright 2004 Freescale Semiconductor.
* Jeff Brown (jeffrey@freescale.com)
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
*
* (C) Copyright 2000-2002
* 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 <mpc86xx.h>
#include <asm/processor.h>
unsigned long get_board_sys_clk(ulong dummy);
unsigned long get_sysclk_from_px_regs(void);
/* --------------------------------------------------------------- */
void get_sys_info (sys_info_t * sysInfo)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_gur_t *gur = &immap->im_gur;
uint plat_ratio, e600_ratio;
plat_ratio = (gur->porpllsr) & 0x0000003e;
plat_ratio >>= 1;
switch(plat_ratio) {
case 0x0:
sysInfo->freqSystemBus = 16 * CONFIG_SYS_CLK_FREQ;
break;
case 0x02:
case 0x03:
case 0x04:
case 0x05:
case 0x06:
case 0x08:
case 0x09:
case 0x0a:
case 0x0c:
case 0x10:
sysInfo->freqSystemBus = plat_ratio * CONFIG_SYS_CLK_FREQ;
break;
default:
sysInfo->freqSystemBus = 0;
break;
}
// printf("assigned system bus freq = %d for plat ratio 0x%08lx\n", sysInfo->freqSystemBus, plat_ratio);
e600_ratio = (gur->porpllsr) & 0x003f0000;
e600_ratio >>= 16;
switch(e600_ratio) {
case 0x10:
sysInfo->freqProcessor = 2*sysInfo->freqSystemBus;
break;
case 0x19:
sysInfo->freqProcessor = 5*sysInfo->freqSystemBus/2;
break;
case 0x20:
sysInfo->freqProcessor = 3*sysInfo->freqSystemBus;
break;
case 0x39:
sysInfo->freqProcessor = 7*sysInfo->freqSystemBus/2;
break;
case 0x28:
sysInfo->freqProcessor = 4*sysInfo->freqSystemBus;
break;
case 0x1d:
sysInfo->freqProcessor = 9*sysInfo->freqSystemBus/2;
break;
default:
/* JB - Emulator workaround until real cop is plugged in */
sysInfo->freqProcessor = e600_ratio + sysInfo->freqSystemBus;
//sysInfo->freqProcessor = 3*sysInfo->freqSystemBus;
break;
}
// printf("assigned processor freq = %d for e600 ratio 0x%08lx\n", sysInfo->freqProcessor, e600_ratio);
}
/* ------------------------------------------------------------------------- */
/*
* Measure CPU clock speed (core clock GCLK1, GCLK2)
*
* (Approx. GCLK frequency in Hz)
*/
int get_clocks (void)
{
DECLARE_GLOBAL_DATA_PTR;
sys_info_t sys_info;
get_sys_info (&sys_info);
gd->cpu_clk = sys_info.freqProcessor;
gd->bus_clk = sys_info.freqSystemBus;
if(gd->cpu_clk != 0) return (0);
else return (1);
}
/* ------------------------------------------------------------------------- */
/********************************************
* get_bus_freq
* return system bus freq in Hz
*********************************************/
ulong get_bus_freq (ulong dummy)
{
ulong val;
sys_info_t sys_info;
get_sys_info (&sys_info);
val = sys_info.freqSystemBus;
return val;
}
unsigned long get_sysclk_from_px_regs()
{
ulong val;
u8 vclkh,vclkl;
vclkh = in8(PIXIS_BASE+PIXIS_VCLKH);
vclkl = in8(PIXIS_BASE+PIXIS_VCLKL);
if((vclkh == 0x84) && (vclkl ==0x07))
{
val = 33000000;
}
if((vclkh == 0x3F) && (vclkl ==0x20))
{
val = 40000000;
}
if((vclkh == 0x3F) && (vclkl ==0x2A))
{
val = 50000000;
}
if((vclkh == 0x24) && (vclkl ==0x04))
{
val = 66000000;
}
if((vclkh == 0x3F) && (vclkl ==0x4B))
{
val = 83000000;
}
if((vclkh == 0x3F) && (vclkl ==0x5C))
{
val = 100000000;
}
if((vclkh == 0xDF) && (vclkl ==0x3B))
{
val = 134000000;
}
if((vclkh == 0xDF) && (vclkl ==0x4B))
{
val = 166000000;
}
return val;
}
/******* From MPC8641HPCN Design Workbook ************
*
* get_board_sys_clk
* reads the FPGA on board for CONFIG_SYS_CLK_FREQ
*
********************************************************/
unsigned long get_board_sys_clk(ulong dummy)
{
u8 i, go_bit, rd_clks;
ulong val;
go_bit = in8(PIXIS_BASE+PIXIS_VCTL);
go_bit &= 0x01;
rd_clks = in8(PIXIS_BASE+PIXIS_VCFGEN0);
rd_clks &= 0x1C;
/* Only if both go bit and the SCLK bit in VCFGEN0 are set
* should we be using the AUX register. Remember, we also set the
* GO bit to boot from the alternate bank on the on-board flash
*/
if(go_bit)
{
if(rd_clks == 0x1c)
i = in8(PIXIS_BASE+PIXIS_AUX);
else
i = in8(PIXIS_BASE+PIXIS_SPD);
//val = get_sysclk_from_px_regs();
}
else
i = in8(PIXIS_BASE+PIXIS_SPD);
i &= 0x07;
switch(i)
{
case 0:
val = 33000000;
break;
case 1:
val = 40000000;
break;
case 2:
val = 50000000;
break;
case 3:
val = 66000000;
break;
case 4:
val = 83000000;
break;
case 5:
val = 100000000;
break;
case 6:
val = 134000000;
break;
case 7:
val = 166000000;
break;
}
return val;
}

1240
cpu/mpc86xx/start.S Normal file
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File diff suppressed because it is too large Load Diff

253
cpu/mpc86xx/traps.c Normal file
View File

@ -0,0 +1,253 @@
/*
* linux/arch/ppc/kernel/traps.c
*
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
*
* Modified by Cort Dougan (cort@cs.nmt.edu)
* and Paul Mackerras (paulus@cs.anu.edu.au)
*
* (C) Copyright 2000
* 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
*/
/*
* This file handles the architecture-dependent parts of hardware exceptions
*/
#include <common.h>
#include <command.h>
#include <asm/processor.h>
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
int (*debugger_exception_handler)(struct pt_regs *) = 0;
#endif
/* Returns 0 if exception not found and fixup otherwise. */
extern unsigned long search_exception_table(unsigned long);
#define END_OF_MEM (gd->bd->bi_memstart + gd->bd->bi_memsize)
/*
* Trap & Exception support
*/
void
print_backtrace(unsigned long *sp)
{
DECLARE_GLOBAL_DATA_PTR;
int cnt = 0;
unsigned long i;
printf("Call backtrace: ");
while (sp) {
if ((uint)sp > END_OF_MEM)
break;
i = sp[1];
if (cnt++ % 7 == 0)
printf("\n");
printf("%08lX ", i);
if (cnt > 32) break;
sp = (unsigned long *)*sp;
}
printf("\n");
}
void
show_regs(struct pt_regs * regs)
{
int i;
printf("NIP: %08lX XER: %08lX LR: %08lX REGS:"
" %p TRAP: %04lx DAR: %08lX\n",
regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);
printf("MSR: %08lx EE: %01x PR: %01x FP:"
" %01x ME: %01x IR/DR: %01x%01x\n",
regs->msr, regs->msr&MSR_EE ? 1 : 0, regs->msr&MSR_PR ? 1 : 0,
regs->msr & MSR_FP ? 1 : 0,regs->msr&MSR_ME ? 1 : 0,
regs->msr&MSR_IR ? 1 : 0,
regs->msr&MSR_DR ? 1 : 0);
printf("\n");
for (i = 0; i < 32; i++) {
if ((i % 8) == 0)
{
printf("GPR%02d: ", i);
}
printf("%08lX ", regs->gpr[i]);
if ((i % 8) == 7)
{
printf("\n");
}
}
}
void
_exception(int signr, struct pt_regs *regs)
{
show_regs(regs);
print_backtrace((unsigned long *)regs->gpr[1]);
panic("Exception in kernel pc %lx signal %d",regs->nip,signr);
}
void
MachineCheckException(struct pt_regs *regs)
{
unsigned long fixup;
/* Probing PCI using config cycles cause this exception
* when a device is not present. Catch it and return to
* the PCI exception handler.
*/
if ((fixup = search_exception_table(regs->nip)) != 0) {
regs->nip = fixup;
return;
}
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
switch( regs->msr & 0x000F0000) {
case (0x80000000>>12):
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
case (0x80000000>>13):
printf("Transfer error ack signal\n");
break;
case (0x80000000>>14):
printf("Data parity signal\n");
break;
case (0x80000000>>15):
printf("Address parity signal\n");
break;
default:
printf("Unknown values in msr\n");
}
show_regs(regs);
print_backtrace((unsigned long *)regs->gpr[1]);
panic("machine check");
}
void
AlignmentException(struct pt_regs *regs)
{
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
show_regs(regs);
print_backtrace((unsigned long *)regs->gpr[1]);
panic("Alignment Exception");
}
void
ProgramCheckException(struct pt_regs *regs)
{
unsigned char *p = regs ? (unsigned char *)(regs->nip) : NULL;
int i, j;
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
show_regs(regs);
p = (unsigned char *) ((unsigned long)p & 0xFFFFFFE0);
p -= 32;
for (i = 0; i < 256; i+=16) {
printf("%08x: ", (unsigned int)p+i);
for (j = 0; j < 16; j++) {
printf("%02x ", p[i+j]);
}
printf("\n");
}
print_backtrace((unsigned long *)regs->gpr[1]);
panic("Program Check Exception");
}
void
SoftEmuException(struct pt_regs *regs)
{
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
show_regs(regs);
print_backtrace((unsigned long *)regs->gpr[1]);
panic("Software Emulation Exception");
}
void
UnknownException(struct pt_regs *regs)
{
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
regs->nip, regs->msr, regs->trap);
_exception(0, regs);
}
/* Probe an address by reading. If not present, return -1, otherwise
* return 0.
*/
int
addr_probe(uint *addr)
{
#if 0
int retval;
__asm__ __volatile__( \
"1: lwz %0,0(%1)\n" \
" eieio\n" \
" li %0,0\n" \
"2:\n" \
".section .fixup,\"ax\"\n" \
"3: li %0,-1\n" \
" b 2b\n" \
".section __ex_table,\"a\"\n" \
" .align 2\n" \
" .long 1b,3b\n" \
".text" \
: "=r" (retval) : "r"(addr));
return (retval);
#endif
return 0;
}

2
drivers/pci_auto.c
View File

@ -186,7 +186,7 @@ static void pciauto_prescan_setup_bridge(struct pci_controller *hose,
} else {
/* We don't support prefetchable memory for now, so disable */
pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_BASE, 0x1000);
pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT, 0x1000);
pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT, 0x1);
}
if (pci_io) {

69
drivers/tsec.c
View File

@ -14,6 +14,7 @@
#include <config.h>
#include <mpc85xx.h>
#include <mpc86xx.h>
#include <common.h>
#include <malloc.h>
#include <net.h>
@ -74,27 +75,33 @@ struct tsec_info_struct {
static struct tsec_info_struct tsec_info[] = {
#if defined(CONFIG_MPC85XX_TSEC1) || defined(CONFIG_MPC83XX_TSEC1)
{TSEC1_PHY_ADDR, TSEC_GIGABIT, TSEC1_PHYIDX},
#elif defined(CONFIG_MPC86XX_TSEC1)
{TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX},
#else
{ 0, 0, 0},
#endif
#if defined(CONFIG_MPC85XX_TSEC2) || defined(CONFIG_MPC83XX_TSEC2)
{TSEC2_PHY_ADDR, TSEC_GIGABIT, TSEC2_PHYIDX},
#elif defined(CONFIG_MPC86XX_TSEC2)
{TSEC2_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC2_PHYIDX},
#else
{ 0, 0, 0},
#endif
#ifdef CONFIG_MPC85XX_FEC
{FEC_PHY_ADDR, 0, FEC_PHYIDX},
#else
# if defined(CONFIG_MPC85XX_TSEC3) || defined(CONFIG_MPC83XX_TSEC3)
#if defined(CONFIG_MPC85XX_TSEC3) || defined(CONFIG_MPC83XX_TSEC3) || defined(CONFIG_MPC86XX_TSEC3)
{TSEC3_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC3_PHYIDX},
# else
#else
{ 0, 0, 0},
# endif
# if defined(CONFIG_MPC85XX_TSEC4) || defined(CONFIG_MPC83XX_TSEC4)
#endif
#if defined(CONFIG_MPC85XX_TSEC4) || defined(CONFIG_MPC83XX_TSEC4)
{TSEC4_PHY_ADDR, TSEC_REDUCED, TSEC4_PHYIDX},
# else
#elif defined(CONFIG_MPC86XX_TSEC4)
{TSEC4_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC4_PHYIDX},
#else
{ 0, 0, 0},
# endif
#endif
#endif
};
@ -467,6 +474,32 @@ uint mii_parse_cis8201(uint mii_reg, struct tsec_private *priv)
return 0;
}
/* Parse the vsc8244's status register for speed and duplex
* information */
uint mii_parse_vsc8244(uint mii_reg, struct tsec_private *priv)
{
uint speed;
if(mii_reg & MIIM_VSC8244_AUXCONSTAT_DUPLEX)
priv->duplexity = 1;
else
priv->duplexity = 0;
speed = mii_reg & MIIM_VSC8244_AUXCONSTAT_SPEED;
switch(speed) {
case MIIM_VSC8244_AUXCONSTAT_GBIT:
priv->speed = 1000;
break;
case MIIM_VSC8244_AUXCONSTAT_100:
priv->speed = 100;
break;
default:
priv->speed = 10;
break;
}
return 0;
}
/* Parse the DM9161's status register for speed and duplex
@ -859,6 +892,29 @@ struct phy_info phy_info_cis8201 = {
{miim_end,}
},
};
struct phy_info phy_info_VSC8244 = {
0x3f1b,
"Vitesse VSC8244",
6,
(struct phy_cmd[]) { /* config */
/* Override PHY config settings */
/* Configure some basic stuff */
{MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
{miim_end,}
},
(struct phy_cmd[]) { /* startup */
/* Read the Status (2x to make sure link is right) */
{MIIM_STATUS, miim_read, NULL},
/* Auto-negotiate */
{MIIM_STATUS, miim_read, &mii_parse_sr},
/* Read the status */
{MIIM_VSC8244_AUX_CONSTAT, miim_read, &mii_parse_vsc8244},
{miim_end,}
},
(struct phy_cmd[]) { /* shutdown */
{miim_end,}
},
};
struct phy_info phy_info_dm9161 = {
@ -1001,6 +1057,7 @@ struct phy_info *phy_info[] = {
&phy_info_M88E1111S,
&phy_info_dm9161,
&phy_info_lxt971,
&phy_info_VSC8244,
&phy_info_dp83865,
NULL
};

20
drivers/tsec.h
View File

@ -27,7 +27,7 @@
#define TSEC_SIZE 0x01000
/* FIXME: Should these be pushed back to 83xx and 85xx config files? */
#if defined(CONFIG_MPC85xx)
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
#define TSEC_BASE_ADDR (CFG_IMMR + CFG_TSEC1_OFFSET)
#elif defined(CONFIG_MPC83XX)
#define TSEC_BASE_ADDR (CFG_IMMRBAR + CFG_TSEC1_OFFSET)
@ -133,6 +133,24 @@
#define MIIM_GBIT_CON 0x09
#define MIIM_GBIT_CON_ADVERT 0x0e00
/* Entry for Vitesse VSC8244 regs starts here */
/* Vitesse VSC8244 Auxiliary Control/Status Register */
#define MIIM_VSC8244_AUX_CONSTAT 0x1c
#define MIIM_VSC8244_AUXCONSTAT_INIT 0x0000
#define MIIM_VSC8244_AUXCONSTAT_DUPLEX 0x0020
#define MIIM_VSC8244_AUXCONSTAT_SPEED 0x0018
#define MIIM_VSC8244_AUXCONSTAT_GBIT 0x0010
#define MIIM_VSC8244_AUXCONSTAT_100 0x0008
#define MIIM_CONTROL_INIT_LOOPBACK 0x4000
/* Vitesse VSC8244 Extended PHY Control Register 1 */
#define MIIM_VSC8244_EPHY_CON 0x17
#define MIIM_VSC8244_EPHYCON_INIT 0x0006
/* Vitesse VSC8244 Serial LED Control Register */
#define MIIM_VSC8244_LED_CON 0x1b
#define MIIM_VSC8244_LEDCON_INIT 0xF011
/* 88E1011 PHY Status Register */
#define MIIM_88E1011_PHY_STATUS 0x11
#define MIIM_88E1011_PHYSTAT_SPEED 0xc000

1362
include/asm-ppc/immap_86xx.h Normal file
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File diff suppressed because it is too large Load Diff

15
include/asm-ppc/mmu.h
View File

@ -434,19 +434,28 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower);
#define BOOKE_PAGESZ_1GB 10
#define BOOKE_PAGESZ_4GB 11
#if defined(CONFIG_MPC86xx)
#define LAWBAR_BASE_ADDR 0x00FFFFFF
#define LAWAR_TRGT_IF 0x01F00000
#else
#define LAWBAR_BASE_ADDR 0x000FFFFF
#define LAWAR_EN 0x80000000
#define LAWAR_TRGT_IF 0x00F00000
#endif
#define LAWAR_EN 0x80000000
#define LAWAR_SIZE 0x0000003F
#define LAWAR_TRGT_IF_PCI 0x00000000
#define LAWAR_TRGT_IF_PCI1 0x00000000
#define LAWAR_TRGT_IF_PCIX 0x00000000
#define LAWAR_TRGT_IF_PCI2 0x00100000
#define LAWAR_TRGT_IF_HT 0x00200000
#define LAWAR_TRGT_IF_LBC 0x00400000
#define LAWAR_TRGT_IF_CCSR 0x00800000
#define LAWAR_TRGT_IF_DDR_INTERLEAVED 0x00B00000
#define LAWAR_TRGT_IF_RIO 0x00c00000
#define LAWAR_TRGT_IF_DDR 0x00f00000
#define LAWAR_TRGT_IF_DDR1 0x00f00000
#define LAWAR_TRGT_IF_DDR2 0x01600000
#define LAWAR_SIZE_BASE 0xa
#define LAWAR_SIZE_4K (LAWAR_SIZE_BASE+1)
@ -469,5 +478,9 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower);
#define LAWAR_SIZE_512M (LAWAR_SIZE_BASE+18)
#define LAWAR_SIZE_1G (LAWAR_SIZE_BASE+19)
#define LAWAR_SIZE_2G (LAWAR_SIZE_BASE+20)
#define LAWAR_SIZE_4G (LAWAR_SIZE_BASE+21)
#define LAWAR_SIZE_8G (LAWAR_SIZE_BASE+22)
#define LAWAR_SIZE_16G (LAWAR_SIZE_BASE+23)
#define LAWAR_SIZE_32G (LAWAR_SIZE_BASE+24)
#endif /* _PPC_MMU_H_ */

18
include/asm-ppc/processor.h
View File

@ -264,6 +264,7 @@
#define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */
#define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */
#define SPRN_IMMR 0x27E /* Internal Memory Map Register */
#define SPRN_LDSTCR 0x3F8 /* Load/Store Control Register */
#define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */
#define SPRN_LR 0x008 /* Link Register */
#define SPRN_MBAR 0x137 /* System memory base address */
@ -443,6 +444,11 @@
#define SPRN_MCSR 0x23c /* Machine Check Syndrome register */
#define ESR_ST 0x00800000 /* Store Operation */
#if defined(CONFIG_MPC86xx)
#define SPRN_MSSCRO 0x3f6
#endif
/* Short-hand versions for a number of the above SPRNs */
#define CTR SPRN_CTR /* Counter Register */
@ -501,10 +507,14 @@
#define ICMP SPRN_ICMP /* Instruction TLB Compare Register */
#define IMISS SPRN_IMISS /* Instruction TLB Miss Register */
#define IMMR SPRN_IMMR /* PPC 860/821 Internal Memory Map Register */
#define LDSTCR SPRN_LDSTCR /* Load/Store Control Register */
#define L2CR SPRN_L2CR /* PPC 750 L2 control register */
#define LR SPRN_LR
#define MBAR SPRN_MBAR /* System memory base address */
#if defined(CONFIG_E500)
#if defined(CONFIG_MPC86xx)
#define MSSCR0 SPRN_MSSCRO
#endif
#if defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
#define PIR SPRN_PIR
#endif
#define SVR SPRN_SVR /* System-On-Chip Version Register */
@ -538,7 +548,7 @@
#define CSRR0 SPRN_CSRR0
#define CSRR1 SPRN_CSRR1
#define IVPR SPRN_IVPR
#define USPRG0 SPRN_USPRG0
#define USPRG0 SPRN_USPRG
#define SPRG4R SPRN_SPRG4R
#define SPRG5R SPRN_SPRG5R
#define SPRG6R SPRN_SPRG6R
@ -755,6 +765,8 @@
#define PVR_85xx_REV1 (PVR_85xx | 0x0010)
#define PVR_85xx_REV2 (PVR_85xx | 0x0020)
#define PVR_86xx 0x80040000
#define PVR_86xx_REV1 (PVR_86xx | 0x0010)
/*
* For the 8xx processors, all of them report the same PVR family for
@ -808,6 +820,8 @@
#define SVR_8548 0x8031
#define SVR_8548_E 0x8039
#define SVR_8641 0x8090
#define SVR_8641D 0x8091
/* I am just adding a single entry for 8260 boards. I think we may be
* able to combine mbx, fads, rpxlite, bseip, and classic into a single

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

@ -45,7 +45,7 @@ typedef struct bd_info {
unsigned long bi_sramstart; /* start of SRAM memory */
unsigned long bi_sramsize; /* size of SRAM memory */
#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) \
|| defined(CONFIG_E500)
|| defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
unsigned long bi_immr_base; /* base of IMMR register */
#endif
#if defined(CONFIG_MPC5xxx)

11
include/common.h
View File

@ -79,6 +79,10 @@ typedef volatile unsigned char vu_char;
#endif
#include <asm/immap_8260.h>
#endif
#ifdef CONFIG_MPC86xx
#include <mpc86xx.h>
#include <asm/immap_86xx.h>
#endif
#ifdef CONFIG_MPC85xx
#include <mpc85xx.h>
#include <asm/immap_85xx.h>
@ -366,6 +370,7 @@ void trap_init (ulong);
defined (CONFIG_74xx) || \
defined (CONFIG_MPC8220) || \
defined (CONFIG_MPC85xx) || \
defined (CONFIG_MPC86xx) || \
defined (CONFIG_MPC83XX)
unsigned char in8(unsigned int);
void out8(unsigned int, unsigned char);
@ -454,6 +459,10 @@ ulong get_bus_freq (ulong);
typedef MPC85xx_SYS_INFO sys_info_t;
void get_sys_info ( sys_info_t * );
#endif
#if defined(CONFIG_MPC86xx)
typedef MPC86xx_SYS_INFO sys_info_t;
void get_sys_info ( sys_info_t * );
#endif
#if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
# if defined(CONFIG_440)
@ -468,7 +477,7 @@ void get_sys_info ( sys_info_t * );
#if defined(CONFIG_8xx) || defined(CONFIG_8260)
void cpu_init_f (volatile immap_t *immr);
#endif
#if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2)
#if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx)
void cpu_init_f (void);
#endif

629
include/configs/MPC8641HPCN.h Normal file
View File

@ -0,0 +1,629 @@
/*
* Copyright 2004 Freescale Semiconductor.
* Srikanth Srinivasan (srikanth.srinivasan@freescale.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
*/
/*
* mpc8641hpc3 board configuration file
*
*
* Make sure you change the MAC address and other network params first,
* search for CONFIG_ETHADDR, CONFIG_SERVERIP, etc in this file.
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* High Level Configuration Options */
#define CONFIG_MPC86xx 1 /* MPC86xx */
#define CONFIG_MPC8641 1 /* MPC8641 specific */
#define CONFIG_MPC8641HPCN 1 /* MPC8641HPCN board specific */
#define CONFIG_NUM_CPUS 2 /* Number of CPUs in the system */
#define CONFIG_LINUX_RESET_VEC 0x100 /* Reset vector used by Linux */
#undef DEBUG
//#define RUN_DIAG 1
#ifdef RUN_DIAG
#define CFG_DIAG_ADDR 0xff800000
#endif
#define CFG_RESET_ADDRESS 0xfff00100
//#define CONFIG_PCI
#define CONFIG_TSEC_ENET /* tsec ethernet support */
#define CONFIG_ENV_OVERWRITE
/*#define CONFIG_DDR_ECC */ /* only for ECC DDR module */
/*#define CONFIG_DDR_DLL */ /* possible DLL fix needed */
#define CONFIG_DDR_2T_TIMING /* Sets the 2T timing bit */
#define CONFIG_DDR_ECC /* only for ECC DDR module */
#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER /* DDR controller or DMA? */
#define CONFIG_MEM_INIT_VALUE 0xDeadBeef
#define CONFIG_ALTIVEC 1
/*-----------------------------------------------------------------------
* L2CR setup -- make sure this is right for your board!
*/
#define CFG_L2
#define L2_INIT 0
#define L2_ENABLE (L2CR_L2E)
#ifndef CONFIG_SYS_CLK_FREQ
//#define CONFIG_SYS_CLK_FREQ 33000000
#define CONFIG_SYS_CLK_FREQ get_board_sys_clk(0)
#endif
/*
* These can be toggled for performance analysis, otherwise use default.
*/
/* JB - XXX - Are these available on 86xx? */
#define CONFIG_BTB /* toggle branch predition */
#define CONFIG_ADDR_STREAMING /* toggle addr streaming */
#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_pre_init */
#undef CFG_DRAM_TEST /* memory test, takes time */
#define CFG_MEMTEST_START 0x00200000 /* memtest region */
#define CFG_MEMTEST_END 0x00400000
/*
* Base addresses -- Note these are effective addresses where the
* actual resources get mapped (not physical addresses)
*/
#define CFG_CCSRBAR_DEFAULT 0xff700000 /* CCSRBAR Default */
#define CFG_CCSRBAR 0xf8000000 /* relocated CCSRBAR */
#define CFG_IMMR CFG_CCSRBAR /* PQII uses CFG_IMMR */
/*
* DDR Setup
*/
#define CFG_DDR_SDRAM_BASE 0x00000000 /* DDR is system memory*/
#define CFG_SDRAM_BASE CFG_DDR_SDRAM_BASE
#define MPC86xx_DDR_SDRAM_CLK_CNTL
#if defined(CONFIG_SPD_EEPROM)
/*
* Determine DDR configuration from I2C interface.
*/
#define SPD_EEPROM_ADDRESS 0x51 /* DDR DIMM */
#else
/*
* Manually set up DDR parameters
*/
/* DDR I */
#if 1
#define CFG_SDRAM_SIZE 256 /* DDR is 256MB */
#define CFG_DDR_CS0_BNDS 0x0000000F
#define CFG_DDR_CS0_CONFIG 0x80010102 /* Enable, no interleaving */
#define CFG_DDR_EXT_REFRESH 0x00000000
#define CFG_DDR_TIMING_0 0x00260802
#define CFG_DDR_TIMING_1 0x39357322
#define CFG_DDR_TIMING_2 0x14904cc8
#define CFG_DDR_MODE_1 0x00480432
#define CFG_DDR_MODE_2 0x00000000
#define CFG_DDR_INTERVAL 0x06090100
#define CFG_DDR_DATA_INIT 0xdeadbeef
#define CFG_DDR_CLK_CTRL 0x03800000
#define CFG_DDR_OCD_CTRL 0x00000000
#define CFG_DDR_OCD_STATUS 0x00000000
#define CFG_DDR_CONTROL 0xe3008000 /* Type = DDR2 */
#define CFG_DDR_CONTROL2 0x04400000
//Not used in fixed_sdram function
#define CFG_DDR_MODE 0x00000022
#define CFG_DDR_CS1_BNDS 0x00000000
#define CFG_DDR_CS2_BNDS 0x00000FFF //Not done
#define CFG_DDR_CS3_BNDS 0x00000FFF //Not done
#define CFG_DDR_CS4_BNDS 0x00000FFF //Not done
#define CFG_DDR_CS5_BNDS 0x00000FFF //Not done
#endif
#endif
/*
* SDRAM on the Local Bus
*/
//#define CFG_LBC_SDRAM_BASE 0xf0000000 /* Localbus SDRAM */
//#define CFG_LBC_SDRAM_SIZE 64 /* LBC SDRAM is 64MB */
/* In MPC8641HPCN, we allocate 16MB flash spaces at fe000000 and ff000000
* We only have an 8MB flash. In effect, the addresses from fe000000 to fe7fffff
* map to fe800000 to ffffffff, and ff000000 to ff7fffff map to ffffffff.
* However, when u-boot comes up, the flash_init needs hard start addresses
* to build its info table. For user convenience, we have the flash addresses
* as fe800000 and ff800000. That way, when we do flash operations, u-boot
* knows where the flash is and the user can download u-boot code from promjet to
* fef00000 <- more intuitive than fe700000. Note that, on switching the boot
* location, fef00000 becomes fff00000.
*/
#define CFG_FLASH_BASE 0xfe800000 /* start of FLASH 32M */
#define CFG_FLASH_BASE2 0xff800000
#define CFG_FLASH_BANKS_LIST {CFG_FLASH_BASE, CFG_FLASH_BASE2}
/*Sri: This looks like a good place to init all the Local Bus chip selects*/
#define CFG_BR0_PRELIM 0xff001001 /* port size 16bit */
#define CFG_OR0_PRELIM 0xff006ff7 /* 16MB Boot Flash area*/
#define CFG_BR1_PRELIM 0xfe001001 /* port size 16bit */
#define CFG_OR1_PRELIM 0xff006ff7 /* 16MB Alternate Boot Flash area*/
#define CFG_BR2_PRELIM 0xf8201001 /* port size 16bit */
#define CFG_OR2_PRELIM 0xfff06ff7 /* 1MB Compact Flash area*/
#define CFG_BR3_PRELIM 0xf8100801 /* port size 8bit */
#define CFG_OR3_PRELIM 0xfff06ff7 /* 1MB PIXIS area*/
#define PIXIS_BASE 0xf8100000 /* PIXIS registers*/
#define PIXIS_ID 0x0 /* MPC8641HPCN Board ID at offset 0*/
#define PIXIS_VER 0x1 /* MPC8641HPCN board version version at offset 1*/
#define PIXIS_PVER 0x2 /* PIXIS FPGA version at offset 2*/
#define PIXIS_RST 0x4 /* PIXIS Reset Control register*/
#define PIXIS_AUX 0x6 /* PIXIS Auxiliary register; Scratch register */
#define PIXIS_SPD 0x7 /* Register for SYSCLK speed */
#define PIXIS_VCTL 0x10 /* VELA Control Register */
#define PIXIS_VCFGEN0 0x12 /* VELA Config Enable 0 */
#define PIXIS_VCFGEN1 0x13 /* VELA Config Enable 1 */
#define PIXIS_VBOOT 0x16 /* VELA VBOOT Register */
#define PIXIS_VSPEED0 0x17 /* VELA VSpeed 0 */
#define PIXIS_VSPEED1 0x18 /* VELA VSpeed 1 */
#define PIXIS_VCLKH 0x19 /* VELA VCLKH register */
#define PIXIS_VCLKL 0x1A /* VELA VCLKL register */
#define CFG_MAX_FLASH_BANKS 2 /* number of banks */
//#define CFG_MAX_FLASH_SECT 64 /* sectors per device */
#define CFG_MAX_FLASH_SECT 128 /* sectors per device */
#undef CFG_FLASH_CHECKSUM
#define CFG_FLASH_ERASE_TOUT 60000 /* Flash Erase Timeout (ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (ms) */
#define CFG_MONITOR_BASE TEXT_BASE /* start of monitor */
/*#define CFG_HPCN_FLASH_CFI_DRIVER */
#define CFG_FLASH_CFI
#define CFG_FLASH_EMPTY_INFO
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
#define CFG_RAMBOOT
#else
#undef CFG_RAMBOOT
#endif
#if !defined(CFG_RAMBOOT)
#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup*/
#endif
#undef CONFIG_CLOCKS_IN_MHZ
#define CONFIG_L1_INIT_RAM
#undef CFG_INIT_RAM_LOCK
#ifndef CFG_INIT_RAM_LOCK
#define CFG_INIT_RAM_ADDR 0x0fd00000 /* Initial RAM address */
#else
#define CFG_INIT_RAM_ADDR 0xf8400000 /* Initial RAM address */
#endif
#define CFG_INIT_RAM_END 0x4000 /* End of used area in RAM */
#define CFG_GBL_DATA_SIZE 128 /* num bytes initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
#define CFG_MALLOC_LEN (128 * 1024) /* Reserved for malloc */
/* Serial Port */
#define CONFIG_CONS_INDEX 1
#undef CONFIG_SERIAL_SOFTWARE_FIFO
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE 1
#define CFG_NS16550_CLK get_bus_freq(0)
#define CFG_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
#define CFG_NS16550_COM1 (CFG_CCSRBAR+0x4500)
#define CFG_NS16550_COM2 (CFG_CCSRBAR+0x4600)
/* Use the HUSH parser */
#define CFG_HUSH_PARSER
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif
/* pass open firmware flat tree */
#define CONFIG_OF_FLAT_TREE 1
#define CONFIG_OF_BOARD_SETUP 1
/* maximum size of the flat tree (8K) */
#define OF_FLAT_TREE_MAX_SIZE 8192
#define OF_CPU "PowerPC,8641@0"
#define OF_SOC "soc8641@f8000000"
#define OF_TBCLK (bd->bi_busfreq / 8)
#define OF_STDOUT_PATH "/soc8641@f8000000/serial@4500"
#define CFG_64BIT_VSPRINTF 1
#define CFG_64BIT_STRTOUL 1
/* I2C */
#define CONFIG_HARD_I2C /* I2C with hardware support*/
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
#define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */
/* RapidIO MMU */
#define CFG_RIO_MEM_BASE 0xc0000000 /* base address */
#define CFG_RIO_MEM_PHYS CFG_RIO_MEM_BASE
#define CFG_RIO_MEM_SIZE 0x20000000 /* 128M */
/*
* General PCI
* Addresses are mapped 1-1.
*/
#define CFG_PCI1_MEM_BASE 0x80000000
//#define CFG_PCI1_MEM_BASE 0xd0000000
#define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE
#define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */
#define CFG_PCI1_IO_BASE 0xe2000000
//#define CFG_PCI1_IO_BASE 0xe0000000
#define CFG_PCI1_IO_PHYS CFG_PCI1_IO_BASE
//#define CFG_PCI1_IO_BUS 0x00000000
#define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */
/* For RTL8139 */
#define _IO_BASE 0x00000000
#define CFG_PCI2_MEM_BASE 0xa0000000
#define CFG_PCI2_MEM_PHYS CFG_PCI2_MEM_BASE
#define CFG_PCI2_MEM_SIZE 0x10000000 /* 256M */
#define CFG_PCI2_IO_BASE 0xe3000000
#define CFG_PCI2_IO_PHYS CFG_PCI2_IO_BASE
#define CFG_PCI2_IO_SIZE 0x1000000 /* 16M */
// #define CFG_PCI1_MEM_BASE 0x80000000
// #define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE
// #define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */
// #define CFG_PCI1_IO_BASE 0xe2000000
// #define CFG_PCI1_IO_PHYS CFG_PCI1_IO_BASE
// #define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */
#if defined(CONFIG_PCI)
#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
//#define CFG_SCSI_SCAN_BUS_REVERSE
#define CONFIG_NET_MULTI
#define CONFIG_PCI_PNP /* do pci plug-and-play */
#define CONFIG_RTL8139
#undef CONFIG_EEPRO100
#undef CONFIG_TULIP
#if !defined(CONFIG_PCI_PNP)
#define PCI_ENET0_IOADDR 0xe0000000
#define PCI_ENET0_MEMADDR 0xe0000000
#define PCI_IDSEL_NUMBER 0x0c /* slot0->3(IDSEL)=12->15 */
#endif
#undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
//#define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */
#endif /* CONFIG_PCI */
#if defined(CONFIG_TSEC_ENET)
#ifndef CONFIG_NET_MULTI
#define CONFIG_NET_MULTI 1
#endif
#define CONFIG_MII 1 /* MII PHY management */
#define CONFIG_MPC86XX_TSEC1 1
#define CONFIG_MPC86XX_TSEC1_NAME "eTSEC1"
#define CONFIG_MPC86XX_TSEC2 1
#define CONFIG_MPC86XX_TSEC2_NAME "eTSEC2"
#define CONFIG_MPC86XX_TSEC3 1
#define CONFIG_MPC86XX_TSEC3_NAME "eTSEC3"
#define CONFIG_MPC86XX_TSEC4 1
#define CONFIG_MPC86XX_TSEC4_NAME "eTSEC4"
#define TSEC1_PHY_ADDR 0
#define TSEC2_PHY_ADDR 1
#define TSEC3_PHY_ADDR 2
#define TSEC4_PHY_ADDR 3
#define TSEC1_PHYIDX 0
#define TSEC2_PHYIDX 0
#define TSEC3_PHYIDX 0
#define TSEC4_PHYIDX 0
#define CONFIG_ETHPRIME "eTSEC1"
#endif /* CONFIG_TSEC_ENET */
/* BAT0 2G Cacheable, non-guarded
* 0x0000_0000 2G DDR
*/
//#define CFG_DBAT0L (0x0 | BATL_PP_RW | BATL_MEMCOHERENCE)
#define CFG_DBAT0L (0x0 | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE | BATL_MEMCOHERENCE)
#define CFG_DBAT0U (0x0 | BATU_BL_512M | BATU_VS | BATU_VP)
//#define CFG_IBAT0L CFG_DBAT0L
//#define CFG_IBAT0L (0x0 | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT0L (0x0| BATL_PP_RW | BATL_CACHEINHIBIT | BATL_MEMCOHERENCE)
#define CFG_IBAT0U CFG_DBAT0U
/* BAT1 1G Cache-inhibited, guarded
* 0x8000_0000 512M PCI-Express 1 Memory
* 0xa000_0000 512M PCI-Express 2 Memory
** SS - Changed it for operating from 0xd0000000
*/
#define CFG_DBAT1L (CFG_PCI1_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT1U (CFG_PCI1_MEM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_IBAT1L (CFG_PCI1_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT1U CFG_DBAT1U
/* BAT2 512M Cache-inhibited, guarded
* 0xc000_0000 512M RapidIO Memory
*/
#define CFG_DBAT2L (CFG_RIO_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT2U (CFG_RIO_MEM_BASE | BATU_BL_512M | BATU_VS | BATU_VP)
#define CFG_IBAT2L (CFG_RIO_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT2U CFG_DBAT2U
/* BAT3 4M Cache-inhibited, guarded
* 0xf800_0000 4M CCSR
*/
#define CFG_DBAT3L (CFG_CCSRBAR | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT3U (CFG_CCSRBAR | BATU_BL_4M | BATU_VS | BATU_VP)
#define CFG_IBAT3L (CFG_CCSRBAR | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT3U CFG_DBAT3U
/* BAT4 32M Cache-inhibited, guarded
* 0xe200_0000 16M PCI-Express 1 I/O
* 0xe300_0000 16M PCI-Express 2 I/0
** SS - Note that this is at 0xe0000000
*/
#define CFG_DBAT4L (CFG_PCI1_IO_BASE | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT4U (CFG_PCI1_IO_BASE | BATU_BL_32M | BATU_VS | BATU_VP)
#define CFG_IBAT4L (CFG_PCI1_IO_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT4U CFG_DBAT4U
/* BAT5 128K Cacheable, non-guarded
* 0xe401_0000 128K Init RAM for stack in the CPU DCache (no backing memory)
*/
#define CFG_DBAT5L (CFG_INIT_RAM_ADDR | BATL_PP_RW | BATL_MEMCOHERENCE)
#define CFG_DBAT5U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
#define CFG_IBAT5L CFG_DBAT5L
#define CFG_IBAT5U CFG_DBAT5U
/* BAT6 32M Cache-inhibited, guarded
* 0xfe00_0000 32M FLASH
*/
#define CFG_DBAT6L (CFG_FLASH_BASE | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_DBAT6U (CFG_FLASH_BASE | BATU_BL_32M | BATU_VS | BATU_VP)
#define CFG_IBAT6L (CFG_FLASH_BASE | BATL_PP_RW | BATL_MEMCOHERENCE)
#define CFG_IBAT6U CFG_DBAT6U
#define CFG_DBAT7L 0x00000000
#define CFG_DBAT7U 0x00000000
#define CFG_IBAT7L 0x00000000
#define CFG_IBAT7U 0x00000000
/*
* Environment
*/
#ifndef CFG_RAMBOOT
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
#define CFG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */
#define CFG_ENV_SIZE 0x2000
#else
#define CFG_NO_FLASH 1 /* Flash is not usable now */
#define CFG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */
#define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000)
#define CFG_ENV_SIZE 0x2000
#endif
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
#if defined(CFG_RAMBOOT)
#if defined(CONFIG_PCI)
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL \
| CFG_CMD_PING \
| CFG_CMD_PCI \
| CFG_CMD_I2C) \
& \
~(CFG_CMD_ENV \
| CFG_CMD_IMLS \
| CFG_CMD_FLASH \
| CFG_CMD_LOADS))
#else
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL \
| CFG_CMD_PING \
| CFG_CMD_I2C) \
& \
~(CFG_CMD_ENV \
| CFG_CMD_IMLS \
| CFG_CMD_FLASH \
| CFG_CMD_LOADS))
#endif
#else
#if defined(CONFIG_PCI)
#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
| CFG_CMD_PCI \
| CFG_CMD_PING \
| CFG_CMD_I2C)
#else
#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
| CFG_CMD_PING \
| CFG_CMD_I2C)
#endif
#endif
#include <cmd_confdefs.h>
#undef CONFIG_WATCHDOG /* watchdog disabled */
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_LOAD_ADDR 0x2000000 /* default load address */
#define CFG_PROMPT "=> " /* 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_HZ 1000 /* decrementer freq: 1ms ticks */
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization.
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/
/* Cache Configuration */
#define CFG_DCACHE_SIZE 32768
#define CFG_CACHELINE_SIZE 32
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/
#endif
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
#endif
/*
* Environment Configuration
*/
/* The mac addresses for all ethernet interface */
#if defined(CONFIG_TSEC_ENET)
#define CONFIG_ETHADDR 00:E0:0C:00:00:01
#define CONFIG_ETH1ADDR 00:E0:0C:00:01:FD
#define CONFIG_ETH2ADDR 00:E0:0C:00:02:FD
#define CONFIG_ETH3ADDR 00:E0:0C:00:03:FD
#endif
#define CONFIG_HAS_ETH1 1
#define CONFIG_HAS_ETH2 1
#define CONFIG_HAS_ETH3 1
#define CONFIG_IPADDR 10.82.193.138
#define CONFIG_HOSTNAME unknown
#define CONFIG_ROOTPATH /opt/nfsroot
#define CONFIG_BOOTFILE uImage
#define CONFIG_SERVERIP 10.82.193.104
#define CONFIG_GATEWAYIP 10.82.193.254
#define CONFIG_NETMASK 255.255.252.0
#define CONFIG_LOADADDR 1000000 /* default location for tftp and bootm */
#define CONFIG_BOOTDELAY 10 /* -1 disables auto-boot */
//#undef CONFIG_BOOTARGS /* the boot command will set bootargs */
#define CONFIG_BOOTARGS "root=/dev/ram rw console=ttyS0,115200"
#define CONFIG_BAUDRATE 115200
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"consoledev=ttyS0\0" \
"ramdiskaddr=400000\0" \
"ramdiskfile=your.ramdisk.u-boot\0" \
"pex0=echo ---------------------------; echo --------- PCI EXPRESS -----\0" \
"pexstat=mw f8008000 84000004; echo -expect:- 16000000; md f8008004 1\0" \
"pex1=pci write 1.0.0 4 146; pci write 1.0.0 10 80000000\0" \
"pexd=echo -expect:- xxx01002 00100146; pci display 1.0.0 0 2\0" \
"pex=run pexstat; run pex1; run pexd\0" \
"en-wd=mw.b f8100010 0x08; echo -expect:- 08; md.b f8100010 1\0" \
"dis-wd=mw.b f8100010 0x00; echo -expect:- 00; md.b f8100010 1\0" \
"maxcpus=2"
#define CONFIG_NFSBOOTCOMMAND \
"setenv bootargs root=/dev/nfs rw " \
"nfsroot=$serverip:$rootpath " \
"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
"console=$consoledev,$baudrate $othbootargs;" \
"tftp $loadaddr $bootfile;" \
"bootm $loadaddr"
#define CONFIG_RAMBOOTCOMMAND \
"setenv bootargs root=/dev/ram rw " \
"console=$consoledev,$baudrate $othbootargs;" \
"tftp $ramdiskaddr $ramdiskfile;" \
"tftp $loadaddr $bootfile;" \
"bootm $loadaddr $ramdiskaddr"
#define CONFIG_BOOTCOMMAND CONFIG_NFSBOOTCOMMAND
#endif /* __CONFIG_H */

4
include/ft_build.h
View File

@ -58,7 +58,9 @@ void ft_begin(struct ft_cxt *cxt, void *blob, int max_size);
void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size);
void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_end);
#ifdef CONFIG_OF_BOARD_SETUP
void ft_board_setup(void *blob, bd_t *bd);
#endif
void ft_dump_blob(const void *bphp);
void ft_merge_blob(struct ft_cxt *cxt, void *blob);
void *ft_get_prop(void *bphp, const char *propname, int *szp);

119
include/mpc86xx.h Normal file
View File

@ -0,0 +1,119 @@
/*
* Copyright 2004 Freescale Semiconductor.
* Jeffrey Brown (jeffrey@freescale.com)
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
*/
#ifndef __MPC86xx_H__
#define __MPC86xx_H__
#define EXC_OFF_SYS_RESET 0x0100 /* System reset offset */
/*----------------------------------------------------------------
* l2cr values. Look in config_<BOARD>.h for the actual setup
*/
#define l2cr 1017
#define L2CR_L2E 0x80000000 /* bit 0 - enable */
#define L2CR_L2PE 0x40000000 /* bit 1 - data parity */
#define L2CR_L2I 0x00200000 /* bit 10 - global invalidate bit */
#define L2CR_L2CTL 0x00100000 /* bit 11 - l2 ram control */
#define L2CR_L2DO 0x00010000 /* bit 15 - data-only mode */
#define L2CR_REP 0x00001000 /* bit 19 - l2 replacement alg */
#define L2CR_HWF 0x00000800 /* bit 20 - hardware flush */
#define L2CR_L2IP 0x00000001 /* global invalidate in progress */
/*----------------------------------------------------------------
* BAT settings. Look in config_<BOARD>.h for the actual setup
*/
#define BATU_BL_128K 0x00000000
#define BATU_BL_256K 0x00000004
#define BATU_BL_512K 0x0000000c
#define BATU_BL_1M 0x0000001c
#define BATU_BL_2M 0x0000003c
#define BATU_BL_4M 0x0000007c
#define BATU_BL_8M 0x000000fc
#define BATU_BL_16M 0x000001fc
#define BATU_BL_32M 0x000003fc
#define BATU_BL_64M 0x000007fc
#define BATU_BL_128M 0x00000ffc
#define BATU_BL_256M 0x00001ffc
#define BATU_BL_512M 0x00003ffc
#define BATU_BL_1G 0x00007ffc
#define BATU_BL_2G 0x0000fffc
#define BATU_BL_4G 0x0001fffc
#define BATU_VS 0x00000002
#define BATU_VP 0x00000001
#define BATU_INVALID 0x00000000
#define BATL_WRITETHROUGH 0x00000040
#define BATL_CACHEINHIBIT 0x00000020
#define BATL_MEMCOHERENCE 0x00000010
#define BATL_GUARDEDSTORAGE 0x00000008
#define BATL_NO_ACCESS 0x00000000
#define BATL_PP_MSK 0x00000003
#define BATL_PP_00 0x00000000 /* No access */
#define BATL_PP_01 0x00000001 /* Read-only */
#define BATL_PP_10 0x00000002 /* Read-write */
#define BATL_PP_11 0x00000003
#define BATL_PP_NO_ACCESS BATL_PP_00
#define BATL_PP_RO BATL_PP_01
#define BATL_PP_RW BATL_PP_10
#define HID0_XBSEN 0x00000100
#define HID0_HIGH_BAT_EN 0x00800000
#define HID0_XAEN 0x00020000
#ifndef __ASSEMBLY__
typedef struct
{
unsigned long freqProcessor;
unsigned long freqSystemBus;
} MPC86xx_SYS_INFO;
#define l1icache_enable icache_enable
void l2cache_enable(void);
void l1dcache_enable(void);
static __inline__ unsigned long get_hid0 (void)
{
unsigned long hid0;
asm volatile("mfspr %0, 1008" : "=r" (hid0) :);
return hid0;
}
static __inline__ unsigned long get_hid1 (void)
{
unsigned long hid1;
asm volatile("mfspr %0, 1009" : "=r" (hid1) :);
return hid1;
}
static __inline__ void set_hid0 (unsigned long hid0)
{
asm volatile("mtspr 1008, %0" : : "r" (hid0));
}
static __inline__ void set_hid1 (unsigned long hid1)
{
asm volatile("mtspr 1009, %0" : : "r" (hid1));
}
static __inline__ unsigned long get_l2cr (void)
{
unsigned long l2cr_val;
asm volatile("mfspr %0, 1017" : "=r" (l2cr_val) :);
return l2cr_val;
}
#endif /* _ASMLANGUAGE */
#endif /* __MPC86xx_H__ */

6
include/pci.h
View File

@ -270,6 +270,12 @@
#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 4x rate */
#define PCI_AGP_SIZEOF 12
/* PCI-X registers */
#define PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */+#define PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */
#define PCI_X_CMD_MAX_READ 0x0000 /* Max Memory Read Byte Count */
#define PCI_X_CMD_MAX_SPLIT 0x0030 /* Max Outstanding Split Transactions */
#define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3) /* Version */
/* Slot Identification */
#define PCI_SID_ESR 2 /* Expansion Slot Register */

2
lib_ppc/board.c
View File

@ -503,7 +503,7 @@ void board_init_f (ulong bootflag)
#endif
#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
defined(CONFIG_E500)
defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
#endif
#if defined(CONFIG_MPC5xxx)

16
net/eth.c
View File

@ -195,6 +195,22 @@ int eth_initialize(bd_t *bis)
tsec_initialize(bis, 3, CONFIG_MPC83XX_TSEC4_NAME);
# endif
#endif
#if defined(CONFIG_MPC86XX_TSEC1)
tsec_initialize(bis, 0, CONFIG_MPC86XX_TSEC1_NAME);
#endif
#if defined(CONFIG_MPC86XX_TSEC2)
tsec_initialize(bis, 1, CONFIG_MPC86XX_TSEC2_NAME);
#endif
#if defined(CONFIG_MPC86XX_TSEC3)
tsec_initialize(bis, 2, CONFIG_MPC86XX_TSEC3_NAME);
#endif
#if defined(CONFIG_MPC86XX_TSEC4)
tsec_initialize(bis, 3, CONFIG_MPC86XX_TSEC4_NAME);
#endif
#if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
fec_initialize(bis);
#endif