* Add support for RMU board

* Add support for TQM862L at 100/50 MHz

* Patch by Pantelis Antoniou, 02 Jun 2003:
  major reconstruction of networking code;
  add "ping" support (outgoing only!)
This commit is contained in:
wdenk 2003-06-05 19:27:42 +00:00
parent 08eaea9c9f
commit 73a8b27c57
26 changed files with 1907 additions and 234 deletions

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@ -11,6 +11,14 @@ Changes since U-Boot 0.3.1:
- Changed config files of CONFIG_EEPRO100 boards to use the
CFG_RX_ETH_BUFFER define.
* Add support for RMU board
* Add support for TQM862L at 100/50 MHz
* Patch by Pantelis Antoniou, 02 Jun 2003:
major reconstruction of networking code;
add "ping" support (outgoing only!)
* Patch by Denis Peter, 04 June 2003:
add support for the MIP405T board

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@ -63,6 +63,9 @@ Wolfgang Denk <wd@denx.de>
IVMS8_128 MPC860
IVMS8_256 MPC860
LANTEC MPC850
LWMON MPC823
R360MPI MPC823
RMU MPC850
RRvision MPC823
SM850 MPC850
SPD823TS MPC823
@ -72,6 +75,7 @@ Wolfgang Denk <wd@denx.de>
TQM855L MPC855
TQM860L MPC860
TQM860L_FEC MPC860
TTTech MPC823
c2mon MPC855
hermes MPC860
lwmon MPC823

10
MAKEALL
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@ -32,11 +32,11 @@ LIST_8xx=" \
IVMS8 IVMS8_128 IVMS8_256 KUP4K \
LANTEC lwmon MBX MBX860T \
MHPC MVS1 NETVIA NX823 \
pcu_e R360MPI RBC823 RPXClassic \
RPXlite RRvision SM850 SPD823TS \
svm_sc8xx SXNI855T TOP860 TQM823L \
TQM823L_LCD TQM850L TQM855L TQM860L \
TTTech v37 \
pcu_e R360MPI RBC823 rmu \
RPXClassic RPXlite RRvision SM850 \
SPD823TS svm_sc8xx SXNI855T TOP860 \
TQM823L TQM823L_LCD TQM850L TQM855L \
TQM860L TTTech v37 \
"
#########################################################################

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@ -323,6 +323,9 @@ RPXClassic_config: unconfig
RPXlite_config: unconfig
@./mkconfig $(@:_config=) ppc mpc8xx RPXlite
rmu_config: unconfig
@./mkconfig $(@:_config=) ppc mpc8xx rmu
RRvision_config: unconfig
@./mkconfig $(@:_config=) ppc mpc8xx RRvision
@ -349,10 +352,10 @@ TOP860_config: unconfig
@./mkconfig $(@:_config=) ppc mpc8xx top860 emk
# Play some tricks for configuration selection
# All boards can come with 50 MHz (default), 66MHz or 80MHz clock,
# All boards can come with 50 MHz (default), 66MHz, 80MHz or 100 MHz clock,
# but only 855 and 860 boards may come with FEC
# and 823 boards may have LCD support
xtract_8xx = $(subst _66MHz,,$(subst _80MHz,,$(subst _LCD,,$(subst _config,,$1))))
xtract_8xx = $(subst _66MHz,,$(subst _80MHz,,$(subst _100MHz,,$(subst _LCD,,$(subst _config,,$1)))))
FPS850L_config \
FPS860L_config \
@ -373,7 +376,8 @@ TQM860L_66MHz_config \
TQM860L_80MHz_config \
TQM862L_config \
TQM862L_66MHz_config \
TQM862L_80MHz_config: unconfig
TQM862L_80MHz_config \
TQM862L_100MHz_config: unconfig
@ >include/config.h
@[ -z "$(findstring _66MHz,$@)" ] || \
{ echo "#define CONFIG_66MHz" >>include/config.h ; \
@ -383,6 +387,10 @@ TQM862L_80MHz_config: unconfig
{ echo "#define CONFIG_80MHz" >>include/config.h ; \
echo "... with 80MHz system clock" ; \
}
@[ -z "$(findstring _100MHz,$@)" ] || \
{ echo "#define CONFIG_100MHz" >>include/config.h ; \
echo "... with 100MHz system clock" ; \
}
@[ -z "$(findstring _LCD,$@)" ] || \
{ echo "#define CONFIG_LCD" >>include/config.h ; \
echo "#define CONFIG_NEC_NL6648BC20" >>include/config.h ; \

40
board/rmu/Makefile Normal file
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@ -0,0 +1,40 @@
#
# (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
#
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o flash.o
$(LIB): .depend $(OBJS)
$(AR) crv $@ $^
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude .depend
#########################################################################

28
board/rmu/config.mk Normal file
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@ -0,0 +1,28 @@
#
# (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
#
#
# RMU boards
#
TEXT_BASE = 0xfff00000

515
board/rmu/flash.c Normal file
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@ -0,0 +1,515 @@
/*
* (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
*/
#include <common.h>
#include <mpc8xx.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*-----------------------------------------------------------------------
* 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 void flash_get_offsets (ulong base, flash_info_t *info);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
unsigned long size_b0 ;
int i;
/* Init: no FLASHes known */
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* Static FLASH Bank configuration here - FIXME XXX */
size_b0 = flash_get_size((vu_long *)FLASH_BASE_PRELIM, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size_b0, size_b0<<20);
}
/* Remap FLASH according to real size */
memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-size_b0 & 0xFFFF8000);
memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V;
/* Re-do sizing to get full correct info */
size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]);
#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]);
#endif
#ifdef CFG_ENV_IS_IN_FLASH
/* ENV protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_ENV_ADDR,
CFG_ENV_ADDR+CFG_ENV_SIZE-1,
&flash_info[0]);
#endif
flash_info[0].size = size_b0;
return (size_b0);
}
/*-----------------------------------------------------------------------
*/
static void flash_get_offsets (ulong base, flash_info_t *info)
{
int i;
/* set up sector start address table */
if (info->flash_id & FLASH_BTYPE) {
/* set sector offsets for bottom boot block type */
info->start[0] = base + 0x00000000;
info->start[1] = base + 0x00010000;
info->start[2] = base + 0x00018000;
info->start[3] = base + 0x00020000;
for (i = 4; i < info->sector_count; i++) {
info->start[i] = base + ((i-3) * 0x00040000) ;
}
} else {
/* set sector offsets for top boot block type */
i = info->sector_count - 1;
info->start[i--] = base + info->size - 0x00010000;
info->start[i--] = base + info->size - 0x00018000;
info->start[i--] = base + info->size - 0x00020000;
for (; i >= 0; i--) {
info->start[i] = base + i * 0x00040000;
}
}
}
/*-----------------------------------------------------------------------
*/
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_AMD: printf ("AMD "); break;
case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
default: printf ("Unknown Vendor "); break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
break;
case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n");
break;
case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
break;
case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n");
break;
case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
break;
case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
break;
case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
break;
case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\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");
return;
}
/*-----------------------------------------------------------------------
*/
/*-----------------------------------------------------------------------
*/
/*
* 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;
/* Write auto select command: read Manufacturer ID */
addr[0xAAA] = 0xAAAAAAAA ;
addr[0x555] = 0x55555555 ;
addr[0xAAA] = 0x90909090 ;
value = addr[0] ;
switch (value & 0x00FF00FF) {
case AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
break;
case FUJ_MANUFACT:
info->flash_id = FLASH_MAN_FUJ;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* no or unknown flash */
}
value = addr[2] ; /* device ID */
switch (value & 0x00FF00FF) {
case (AMD_ID_LV400T & 0x00FF00FF):
info->flash_id += FLASH_AM400T;
info->sector_count = 11;
info->size = 0x00100000;
break; /* => 1 MB */
case (AMD_ID_LV400B & 0x00FF00FF):
info->flash_id += FLASH_AM400B;
info->sector_count = 11;
info->size = 0x00100000;
break; /* => 1 MB */
case (AMD_ID_LV800T & 0x00FF00FF):
info->flash_id += FLASH_AM800T;
info->sector_count = 19;
info->size = 0x00200000;
break; /* => 2 MB */
case (AMD_ID_LV800B & 0x00FF00FF):
info->flash_id += FLASH_AM800B;
info->sector_count = 19;
info->size = 0x00400000; /*%%% Size doubled by yooth */
break; /* => 4 MB */
case (AMD_ID_LV160T & 0x00FF00FF):
info->flash_id += FLASH_AM160T;
info->sector_count = 35;
info->size = 0x00400000;
break; /* => 4 MB */
case (AMD_ID_LV160B & 0x00FF00FF):
info->flash_id += FLASH_AM160B;
info->sector_count = 35;
info->size = 0x00800000;
break; /* => 8 MB */
#if 0 /* enable when device IDs are available */
case AMD_ID_LV320T:
info->flash_id += FLASH_AM320T;
info->sector_count = 67;
info->size = 0x00800000;
break; /* => 8 MB */
case AMD_ID_LV320B:
info->flash_id += FLASH_AM320B;
info->sector_count = 67;
info->size = 0x01000000;
break; /* => 16 MB */
#endif
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
}
/*%%% sector start address modified */
/* set up sector start address table */
if (info->flash_id & FLASH_BTYPE) {
/* set sector offsets for bottom boot block type */
info->start[0] = base + 0x00000000;
info->start[1] = base + 0x00010000;
info->start[2] = base + 0x00018000;
info->start[3] = base + 0x00020000;
for (i = 4; i < info->sector_count; i++) {
info->start[i] = base + ((i-3) * 0x00040000) ;
}
} else {
/* set sector offsets for top boot block type */
i = info->sector_count - 1;
info->start[i--] = base + info->size - 0x00010000;
info->start[i--] = base + info->size - 0x00018000;
info->start[i--] = base + info->size - 0x00020000;
for (; i >= 0; i--) {
info->start[i] = base + i * 0x00040000;
}
}
/* check for protected sectors */
for (i = 0; i < info->sector_count; i++) {
/* read sector protection at sector address, (A7 .. A0) = 0x02 */
/* D0 = 1 if protected */
addr = (volatile unsigned long *)(info->start[i]);
info->protect[i] = addr[4] & 1 ;
}
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
addr = (volatile unsigned long *)info->start[0];
*addr = 0xF0F0F0F0; /* reset bank */
}
return (info->size);
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
vu_long *addr = (vu_long*)(info->start[0]);
int flag, prot, sect, l_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_UNKNOWN) ||
(info->flash_id > FLASH_AMD_COMP)) {
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");
}
l_sect = -1;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
addr[0xAAA] = 0xAAAAAAAA;
addr[0x555] = 0x55555555;
addr[0xAAA] = 0x80808080;
addr[0xAAA] = 0xAAAAAAAA;
addr[0x555] = 0x55555555;
/* Start erase on unprotected sectors */
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
addr = (vu_long *)(info->start[sect]) ;
addr[0] = 0x30303030 ;
l_sect = sect;
}
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
/*
* We wait for the last triggered sector
*/
if (l_sect < 0)
goto DONE;
start = get_timer (0);
last = start;
addr = (vu_long *)(info->start[l_sect]);
while ((addr[0] & 0x80808080) != 0x80808080) {
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
return 1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
putc ('.');
last = now;
}
}
DONE:
/* reset to read mode */
addr = (vu_long *)info->start[0];
addr[0] = 0xF0F0F0F0; /* reset bank */
printf (" 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 *)(info->start[0]);
ulong start;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*((vu_long *)dest) & data) != data) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
addr[0xAAA] = 0xAAAAAAAA;
addr[0x555] = 0x55555555;
addr[0xAAA] = 0xA0A0A0A0;
*((vu_long *)dest) = data;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* data polling for D7 */
start = get_timer (0);
while ((*((vu_long *)dest) & 0x80808080) != (data & 0x80808080)) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
return (1);
}
}
return (0);
}
/*-----------------------------------------------------------------------
*/

184
board/rmu/rmu.c Normal file
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@ -0,0 +1,184 @@
/*
* (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
*/
#include <common.h>
#include <mpc8xx.h>
/* ------------------------------------------------------------------------- */
static long int dram_size (long int, long int *, long int);
/* ------------------------------------------------------------------------- */
#define _NOT_USED_ 0xFFFFCC25
const uint sdram_table[] =
{
/*
* Single Read. (Offset 00h in UPMA RAM)
*/
0x0F03CC04, 0x00ACCC24, 0x1FF74C20, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Burst Read. (Offset 08h in UPMA RAM)
*/
0x0F03CC04, 0x00ACCC24, 0x00FFCC20, 0x00FFCC20,
0x01FFCC20, 0x1FF74C20, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Single Write. (Offset 18h in UPMA RAM)
*/
0x0F03CC02, 0x00AC0C24, 0x1FF74C25, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Burst Write. (Offset 20h in UPMA RAM)
*/
0x0F03CC00, 0x00AC0C20, 0x00FFFC20, 0x00FFFC22,
0x01FFFC24, 0x1FF74C25, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Refresh. (Offset 30h in UPMA RAM)
* (Initialization code at 0x36)
*/
0x0FF0CC24, 0xFFFFCC24, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, 0xEFFB8C34, 0x0FF74C34,
0x0FFACCB4, 0x0FF5CC34, 0x0FFCC34, 0x0FFFCCB4,
/*
* Exception. (Offset 3Ch in UPMA RAM)
*/
0x0FEA8C34, 0x1FB54C34, 0xFFFFCC34, _NOT_USED_
};
/* ------------------------------------------------------------------------- */
/*
* Check Board Identity:
*/
int checkboard (void)
{
puts ("Board: RMU\n") ;
return (0) ;
}
/* ------------------------------------------------------------------------- */
long int initdram (int board_type)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
long int size10 ;
upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
/* Refresh clock prescalar */
memctl->memc_mptpr = CFG_MPTPR ;
memctl->memc_mar = 0x00000088;
/* Map controller banks 1 to the SDRAM bank */
memctl->memc_or1 = CFG_OR1_PRELIM;
memctl->memc_br1 = CFG_BR1_PRELIM;
memctl->memc_mamr = CFG_MAMR_10COL & (~(MAMR_PTAE)); /* no refresh yet */
udelay(200);
/* perform SDRAM initializsation sequence */
memctl->memc_mcr = 0x80002136 ; /* SDRAM bank 0 */
udelay(1);
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
udelay (1000);
/* Check Bank 0 Memory Size
* try 10 column mode
*/
size10 = dram_size (CFG_MAMR_10COL, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE) ;
return (size10);
}
/* ------------------------------------------------------------------------- */
/*
* Check memory range for valid RAM. A simple memory test determines
* the actually available RAM size between addresses `base' and
* `base + maxsize'. Some (not all) hardware errors are detected:
* - short between address lines
* - short between data lines
*/
static long int dram_size (long int mamr_value, long int *base, long int maxsize)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
volatile long int *addr;
ulong cnt, val;
ulong save[32]; /* to make test non-destructive */
unsigned char i = 0;
memctl->memc_mamr = mamr_value;
for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
addr = base + cnt; /* pointer arith! */
save[i++] = *addr;
*addr = ~cnt;
}
/* write 0 to base address */
addr = base;
save[i] = *addr;
*addr = 0;
/* check at base address */
if ((val = *addr) != 0) {
*addr = save[i];
return (0);
}
for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
addr = base + cnt; /* pointer arith! */
val = *addr;
*addr = save[--i];
if (val != (~cnt)) {
return (cnt * sizeof(long));
}
}
return (maxsize);
}

134
board/rmu/u-boot.lds Normal file
View File

@ -0,0 +1,134 @@
/*
* (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
*/
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
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.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 :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
cpu/mpc8xx/start.o (.text)
common/dlmalloc.o (.text)
lib_ppc/ppcstring.o (.text)
lib_generic/vsprintf.o (.text)
lib_generic/crc32.o (.text)
lib_generic/zlib.o (.text)
/* XXX ?
. = env_offset;
*/
common/environment.o(.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
}
.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 = .);
__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 = .);
}

131
board/rmu/u-boot.lds.debug Normal file
View File

@ -0,0 +1,131 @@
/*
* (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
*/
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
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.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 :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
cpu/mpc8xx/start.o (.text)
common/dlmalloc.o (.text)
lib_generic/vsprintf.o (.text)
lib_generic/crc32.o (.text)
. = env_offset;
common/environment.o(.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
_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 = .);
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
}

View File

@ -21,6 +21,8 @@
* MA 02111-1307 USA
*/
/* #define DEBUG */
#include <common.h>
#include <mpc8xx.h>
@ -53,8 +55,12 @@ unsigned long flash_init (void)
/* Static FLASH Bank configuration here - FIXME XXX */
debug ("\n## Get flash bank 1 size @ 0x%08x\n",FLASH_BASE0_PRELIM);
size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
debug ("## Get flash bank 2 size @ 0x%08x\n",FLASH_BASE1_PRELIM);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size_b0, size_b0<<20);
@ -62,6 +68,8 @@ unsigned long flash_init (void)
size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
debug ("## Prelim. Flash bank sizes: %08lx + 0x%08lx\n",size_b0,size_b1);
if (size_b1 > size_b0) {
printf ("## ERROR: "
"Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n",
@ -77,10 +85,19 @@ unsigned long flash_init (void)
return (0);
}
debug ("## Before remap: "
"BR0: 0x%08x OR0: 0x%08x "
"BR1: 0x%08x OR1: 0x%08x\n",
memctl->memc_br0, memctl->memc_or0,
memctl->memc_br1, memctl->memc_or1);
/* Remap FLASH according to real size */
memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-size_b0 & OR_AM_MSK);
memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V;
debug ("## BR0: 0x%08x OR0: 0x%08x\n",
memctl->memc_br0, memctl->memc_or0);
/* Re-do sizing to get full correct info */
size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
@ -105,6 +122,9 @@ unsigned long flash_init (void)
memctl->memc_br1 = ((CFG_FLASH_BASE + size_b0) & BR_BA_MSK) |
BR_MS_GPCM | BR_V;
debug ("## BR1: 0x%08x OR1: 0x%08x\n",
memctl->memc_br1, memctl->memc_or1);
/* Re-do sizing to get full correct info */
size_b1 = flash_get_size((vu_long *)(CFG_FLASH_BASE + size_b0),
&flash_info[1]);
@ -129,8 +149,14 @@ unsigned long flash_init (void)
flash_info[1].flash_id = FLASH_UNKNOWN;
flash_info[1].sector_count = -1;
flash_info[1].size = 0;
debug ("## DISABLE BR1: 0x%08x OR1: 0x%08x\n",
memctl->memc_br1, memctl->memc_or1);
}
debug ("## Final Flash bank sizes: %08lx + 0x%08lx\n",size_b0,size_b1);
flash_info[0].size = size_b0;
flash_info[1].size = size_b1;
@ -215,6 +241,8 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
value = addr[0];
debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value);
switch (value) {
case AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
@ -231,6 +259,8 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
value = addr[1]; /* device ID */
debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value);
switch (value) {
case AMD_ID_LV400T:
info->flash_id += FLASH_AM400T;
@ -278,6 +308,12 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
info->sector_count = 71;
info->size = 0x00800000;
break; /* => 8 MB */
case AMD_ID_DL640:
debug ("## oops - same ID used for AM29LV128ML/H mirror bit flash ???\n");
info->flash_id += FLASH_AMDL640;
info->sector_count = 142;
info->size = 0x00800000;
break;
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
@ -368,6 +404,8 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
int flag, prot, sect, l_sect;
ulong start, now, last;
debug ("flash_erase: first: %d last: %d\n", s_first, s_last);
if ((s_first < 0) || (s_first > s_last)) {
if (info->flash_id == FLASH_UNKNOWN) {
printf ("- missing\n");

View File

@ -95,6 +95,10 @@ static void netboot_update_env(void)
ip_to_string (NetOurDNSIP, tmp);
setenv("dnsip", tmp);
}
if (NetOurNISDomain[0])
setenv("domain", NetOurNISDomain);
}
static int
netboot_common (int proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
@ -165,4 +169,27 @@ netboot_common (int proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
return rcode;
}
#if (CONFIG_COMMANDS & CFG_CMD_PING)
int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
if (argc < 2)
return -1;
NetPingIP = string_to_ip(argv[1]);
if (NetPingIP == 0) {
printf ("Usage:\n%s\n", cmdtp->usage);
return -1;
}
if (NetLoop(PING) < 0) {
printf("ping failed; host %s is not alive\n", argv[1]);
return 1;
}
printf("host %s is alive\n", argv[1]);
return 0;
}
#endif /* CFG_CMD_PING */
#endif /* CFG_CMD_NET */

View File

@ -316,6 +316,7 @@ cmd_tbl_t cmd_tbl[] = {
CMD_TBL_NANDBOOT
CMD_TBL_NEXT
CMD_TBL_NM
CMD_TBL_PING
CMD_TBL_PORTIO_OUT
CMD_TBL_PCI
CMD_TBL_PRINTENV

View File

@ -81,6 +81,7 @@
#define CFG_CMD_NAND 0x0000800000000000 /* NAND support */
#define CFG_CMD_BMP 0x0001000000000000 /* BMP support */
#define CFG_CMD_PORTIO 0x0002000000000000 /* Port I/O */
#define CFG_CMD_PING 0x0004000000000000 /* ping support */
#define CFG_CMD_ALL 0xFFFFFFFFFFFFFFFF /* ALL commands */
@ -113,6 +114,7 @@
CFG_CMD_NAND | \
CFG_CMD_PCI | \
CFG_CMD_PCMCIA | \
CFG_CMD_PING | \
CFG_CMD_REGINFO | \
CFG_CMD_SAVES | \
CFG_CMD_SCSI | \

View File

@ -64,11 +64,24 @@ int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#define CMD_TBL_DHCP
#endif /* CFG_CMD_DHCP */
#if (CONFIG_COMMANDS & CFG_CMD_PING)
#define CMD_TBL_PING MK_CMD_TBL_ENTRY( \
"ping", 4, 2, 1, do_ping, \
"ping - check if host is reachable\n", \
"host\n" \
),
int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#else
#define CMD_TBL_PING
#endif /* CFG_CMD_PING */
#else
#define CMD_TBL_BOOTP
#define CMD_TBL_TFTPB
#define CMD_TBL_RARPB
#define CMD_TBL_DHCP
#define CMD_TBL_PING
#endif /* CFG_CMD_NET */
#endif

View File

@ -1254,7 +1254,11 @@ typedef struct scc_enet {
#define PA_ENET_TXD ((ushort)0x0008)
#define PA_ENET_TCLK ((ushort)0x0200)
#define PA_ENET_RCLK ((ushort)0x0800)
#if defined(CONFIG_RMU)
#define PC_ENET_TENA ((uint)0x00000002) /* PC14 */
#else
#define PB_ENET_TENA ((uint)0x00002000)
#endif
#define PC_ENET_CLSN ((ushort)0x0040)
#define PC_ENET_RENA ((ushort)0x0080)

View File

@ -251,14 +251,15 @@
* Reset PLL lock status sticky bit, timer expired status bit and timer
* interrupt status bit
*
* If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
* If this is a 80 MHz or 100 MHz CPU,
* set PLL multiplication factor to 5 (5 * 16 = 80, 5 * 20 = 100)
*/
#ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
#if defined(CONFIG_80MHz) || defined(CONFIG_100MHz)
#define CFG_PLPRCR \
( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
#else /* up to 50 MHz we use a 1:1 clock */
#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
#endif /* CONFIG_80MHz */
#endif /* CONFIG_80MHz | CONFIG_100MHz */
/*-----------------------------------------------------------------------
* SCCR - System Clock and reset Control Register 15-27
@ -267,7 +268,7 @@
* power management and some other internal clocks
*/
#define SCCR_MASK SCCR_EBDF11
#ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
#if defined(CONFIG_80MHz) || defined(CONFIG_100MHz) /* use 16/20 MHz * 5 */
#define CFG_SCCR (/* SCCR_TBS | */ \
SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
@ -277,7 +278,7 @@
SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
SCCR_DFALCD00)
#endif /* CONFIG_80MHz */
#endif /* CONFIG_80MHz | CONFIG_100MHz */
/*-----------------------------------------------------------------------
* PCMCIA stuff
@ -346,8 +347,15 @@
/*
* FLASH timing:
*/
#if defined(CONFIG_80MHz)
/* 80 MHz CPU - 40 MHz bus: ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
#if defined(CONFIG_100MHz)
/* 100 MHz CPU - 50 MHz bus:
* 0x...926: 9 = OR_CSNT_SAM + OR_BI; 2 = OR_SCY_2_CLK; 6 = OR_TRLX + OR_EHTR
* ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */
#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
OR_SCY_2_CLK | OR_EHTR | OR_BI)
#elif defined(CONFIG_80MHz)
/* 80 MHz CPU - 40 MHz bus:
* ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | 0 | OR_CSNT_SAM | \
OR_SCY_3_CLK | OR_EHTR | OR_BI)
#elif defined(CONFIG_66MHz)
@ -415,11 +423,14 @@
* --------------------------------------------
* Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
*
* 50 MHz => 50.000.000 / Divider = 98
* 66 Mhz => 66.000.000 / Divider = 129
* 80 Mhz => 80.000.000 / Divider = 156
* 50 MHz => 50.000.000 / Divider = 98
* 66 Mhz => 66.000.000 / Divider = 129
* 80 Mhz => 80.000.000 / Divider = 156
* 100 Mhz => 100.000.000 / Divider = 195
*/
#if defined(CONFIG_80MHz)
#if defined(CONFIG_100MHz)
#define CFG_MAMR_PTA 195
#elif defined(CONFIG_80MHz)
#define CFG_MAMR_PTA 156
#elif defined(CONFIG_66MHz)
#define CFG_MAMR_PTA 129

379
include/configs/rmu.h Normal file
View File

@ -0,0 +1,379 @@
/*
* (C) Copyright 2003
* 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
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
#undef CONFIG_MPC860
#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
#define CONFIG_RPXLITE 1 /* RMU is the RPXlite clone */
#define CONFIG_RMU 1
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
#undef CONFIG_8xx_CONS_SMC2
#undef CONFIG_8xx_CONS_NONE
#define CONFIG_BAUDRATE 9600 /* console baudrate = 9600bps */
#if 0
#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
#else
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#endif
#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
#undef CONFIG_BOOTARGS
#define CONFIG_BOOTCOMMAND \
"bootp; " \
"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
"bootm"
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
#undef CONFIG_WATCHDOG /* watchdog disabled */
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#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_MEMTEST_START 0x0040000 /* memtest works on */
#define CFG_MEMTEST_END 0x00C0000 /* 4 ... 12 MB in DRAM */
#define CFG_LOAD_ADDR 0x100000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
*/
/*-----------------------------------------------------------------------
* Internal Memory Mapped Register
*/
#define CFG_IMMR 0xFA200000
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CFG_INIT_RAM_ADDR CFG_IMMR
#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x00000000
#define CFG_FLASH_BASE 0xFF800000
/*%%% #define CFG_FLASH_BASE 0xFFF00000 */
#if defined(DEBUG) || (CONFIG_COMMANDS & CFG_CMD_IDE)
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#else
#define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
#endif
#define CFG_MONITOR_BASE 0xFFF00000
/*%%% #define CFG_MONITOR_BASE CFG_FLASH_BASE */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
/*
* 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 */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 35 /* max number of sectors on one chip */
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_OFFSET 0x00740000 /* Offset of Environment Sector */
#define CFG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */
#define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
/* Address and size of Redundant Environment Sector */
#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
#endif
/*-----------------------------------------------------------------------
* SYPCR - System Protection Control 11-9
* SYPCR can only be written once after reset!
*-----------------------------------------------------------------------
* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
*/
#if defined(CONFIG_WATCHDOG)
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
#else
#define CFG_SYPCR (SYPCR_SWTC | 0x00000600 | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
#endif
/*-----------------------------------------------------------------------
* SIUMCR - SIU Module Configuration 11-6
*-----------------------------------------------------------------------
* PCMCIA config., multi-function pin tri-state
*/
#define CFG_SIUMCR (SIUMCR_MLRC10)
/*-----------------------------------------------------------------------
* TBSCR - Time Base Status and Control 11-26
*-----------------------------------------------------------------------
* Clear Reference Interrupt Status, Timebase freezing enabled
*/
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
/*-----------------------------------------------------------------------
* RTCSC - Real-Time Clock Status and Control Register 11-27
*-----------------------------------------------------------------------
*/
/*%%%#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) */
#define CFG_RTCSC (RTCSC_SEC | RTCSC_RTE)
/*-----------------------------------------------------------------------
* PISCR - Periodic Interrupt Status and Control 11-31
*-----------------------------------------------------------------------
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
*/
#define CFG_PISCR (PISCR_PS | PISCR_PITF)
/*-----------------------------------------------------------------------
* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
*-----------------------------------------------------------------------
* Reset PLL lock status sticky bit, timer expired status bit and timer
* interrupt status bit
*
* If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
*/
/* up to 50 MHz we use a 1:1 clock */
#define CFG_PLPRCR ( (5 << PLPRCR_MF_SHIFT) | PLPRCR_TEXPS )
/*-----------------------------------------------------------------------
* SCCR - System Clock and reset Control Register 15-27
*-----------------------------------------------------------------------
* Set clock output, timebase and RTC source and divider,
* power management and some other internal clocks
*/
#define SCCR_MASK SCCR_EBDF00
/* up to 50 MHz we use a 1:1 clock */
#define CFG_SCCR (SCCR_COM00 | SCCR_TBS)
/*-----------------------------------------------------------------------
* PCMCIA stuff
*-----------------------------------------------------------------------
*
*/
#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
#define CFG_PCMCIA_IO_ADDR (0xEC000000)
#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
/*-----------------------------------------------------------------------
* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
*-----------------------------------------------------------------------
*/
#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
#undef CONFIG_IDE_LED /* LED for ide not supported */
#undef CONFIG_IDE_RESET /* reset for ide not supported */
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
#define CFG_ATA_IDE0_OFFSET 0x0000
#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
/* Offset for data I/O */
#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
/* Offset for normal register accesses */
#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
/* Offset for alternate registers */
#define CFG_ATA_ALT_OFFSET 0x0100
/*-----------------------------------------------------------------------
*
*-----------------------------------------------------------------------
*
*/
/*#define CFG_DER 0x2002000F*/
#define CFG_DER 0
/*
* Init Memory Controller:
*
* BR0 and OR0 (FLASH)
*/
#define FLASH_BASE_PRELIM 0xFE000000 /* FLASH base */
#define CFG_PRELIM_OR_AM 0xFE000000 /* OR addr mask */
/* FLASH timing: ACS = 0, TRLX = 0, CSNT = 0, SCY = 4, ETHR = 0, BIH = 1 */
#define CFG_OR_TIMING_FLASH (OR_SCY_4_CLK | OR_BI)
#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
#define CFG_BR0_PRELIM ((FLASH_BASE_PRELIM & BR_BA_MSK) | BR_V)
/*
* BR1 and OR1 (SDRAM)
*
*/
#define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM base */
#define SDRAM_MAX_SIZE 0x01000000 /* max 16 MB */
/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
#define CFG_OR_TIMING_SDRAM 0x00000E00
#define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
#define CFG_BR1_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
/* RPXLITE mem setting */
#define CFG_BR3_PRELIM 0xFA400001 /* BCSR */
#define CFG_OR3_PRELIM 0xFFFF8910
#define CFG_BR4_PRELIM 0xFA000401 /* NVRAM&SRAM */
#define CFG_OR4_PRELIM 0xFFFE0970
/*
* Memory Periodic Timer Prescaler
*/
/* periodic timer for refresh */
#define CFG_MAMR_PTA 20
/*
* Refresh clock Prescalar
*/
#define CFG_MPTPR MPTPR_PTP_DIV2
/*
* MAMR settings for SDRAM
*/
/* 10 column SDRAM */
#define CFG_MAMR_10COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
MAMR_RLFA_16X | MAMR_WLFA_16X | MAMR_TLFA_16X)
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
/*
* BCSRx
*
* Board Status and Control Registers
*
*/
#define BCSR0 0xFA400000
#define BCSR1 0xFA400001
#define BCSR2 0xFA400002
#define BCSR3 0xFA400003
#define BCSR0_ENMONXCVR 0x01 /* Monitor XVCR Control */
#define BCSR0_ENNVRAM 0x02 /* CS4# Control */
#define BCSR0_LED5 0x04 /* LED5 control 0='on' 1='off' */
#define BCSR0_LED4 0x08 /* LED4 control 0='on' 1='off' */
#define BCSR0_FULLDPLX 0x10 /* Ethernet XCVR Control */
#define BCSR0_COLTEST 0x20
#define BCSR0_ETHLPBK 0x40
#define BCSR0_ETHEN 0x80
#define BCSR1_PCVCTL7 0x01 /* PC Slot B Control */
#define BCSR1_PCVCTL6 0x02
#define BCSR1_PCVCTL5 0x04
#define BCSR1_PCVCTL4 0x08
#define BCSR1_IPB5SEL 0x10
#define BCSR2_ENPA5HDR 0x08 /* USB Control */
#define BCSR2_ENUSBCLK 0x10
#define BCSR2_USBPWREN 0x20
#define BCSR2_USBSPD 0x40
#define BCSR2_USBSUSP 0x80
#define BCSR3_BWRTC 0x01 /* Real Time Clock Battery */
#define BCSR3_BWNVR 0x02 /* NVRAM Battery */
#define BCSR3_RDY_BSY 0x04 /* Flash Operation */
#define BCSR3_RPXL 0x08 /* Reserved (reads back '1') */
#define BCSR3_D27 0x10 /* Dip Switch settings */
#define BCSR3_D26 0x20
#define BCSR3_D25 0x40
#define BCSR3_D24 0x80
#endif /* __CONFIG_H */

View File

@ -206,7 +206,7 @@
#define CFG_FIRST_PCI_IRQ 9
#define CFG_SECOND_PCI_IRQ 10
#define CFG_THIRD_PCI_IRQ 11
#define CFG_THIRD_PCI_IRQ 11
#define CFG_FORTH_PCI_IRQ 12

View File

@ -200,7 +200,9 @@ typedef struct
/*
* ICMP stuff (just enough to handle (host) redirect messages)
*/
#define ICMP_ECHO_REPLY 0 /* Echo reply */
#define ICMP_REDIRECT 5 /* Redirect (change route) */
#define ICMP_ECHO_REQUEST 8 /* Echo request */
/* Codes for REDIRECT. */
#define ICMP_REDIR_NET 0 /* Redirect Net */
@ -292,11 +294,15 @@ extern int NetState; /* Network loop state */
extern int NetRestartWrap; /* Tried all network devices */
#endif
typedef enum { BOOTP, RARP, ARP, TFTP, DHCP } proto_t;
typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS } proto_t;
/* from net/net.c */
extern char BootFile[128]; /* Boot File name */
#if (CONFIG_COMMANDS & CFG_CMD_PING)
extern IPaddr_t NetPingIP; /* the ip address to ping */
#endif
/* Initialize the network adapter */
extern int NetLoop(proto_t);
@ -323,6 +329,9 @@ extern void NetSetTimeout(int, thand_f *); /* Set timeout handler */
/* Transmit "NetTxPacket" */
extern void NetSendPacket(volatile uchar *, int);
/* Transmit UDP packet, performing ARP request if needed */
extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len);
/* Processes a received packet */
extern void NetReceive(volatile uchar *, int);
@ -373,6 +382,9 @@ static inline void NetCopyLong(ulong *to, ulong *from)
/* Convert an IP address to a string */
extern void ip_to_string (IPaddr_t x, char *s);
/* Convert a string to ip address */
extern IPaddr_t string_to_ip(char *s);
/* read an IP address from a environment variable */
extern IPaddr_t getenv_IPaddr (char *);

View File

@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
LIB = libnet.a
OBJS = net.o tftp.o bootp.o rarp.o arp.o eth.o
OBJS = net.o tftp.o bootp.o rarp.o eth.o
all: $(LIB)
$(LIB): $(START) $(OBJS)

120
net/arp.c
View File

@ -1,120 +0,0 @@
/*
* (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
*/
#include <common.h>
#include <command.h>
#include <net.h>
#include "bootp.h"
#include "tftp.h"
#include "arp.h"
#if (CONFIG_COMMANDS & CFG_CMD_NET)
#define TIMEOUT 5 /* Seconds before trying ARP again */
#ifndef CONFIG_NET_RETRY_COUNT
# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */
#else
# define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT)
#endif
static void ArpHandler(uchar *pkt, unsigned dest, unsigned src, unsigned len);
static void ArpTimeout(void);
int ArpTry = 0;
/*
* Handle a ARP received packet.
*/
static void
ArpHandler(uchar *pkt, unsigned dest, unsigned src, unsigned len)
{
/* Check if the frame is really an ARP reply */
if (memcmp (NetServerEther, NetBcastAddr, 6) != 0) {
#ifdef DEBUG
printf("Got good ARP - start TFTP\n");
#endif
TftpStart ();
}
}
/*
* Timeout on ARP request.
*/
static void
ArpTimeout(void)
{
if (ArpTry >= TIMEOUT_COUNT) {
puts ("\nRetry count exceeded; starting again\n");
NetStartAgain ();
} else {
NetSetTimeout (TIMEOUT * CFG_HZ, ArpTimeout);
ArpRequest ();
}
}
void
ArpRequest (void)
{
int i;
volatile uchar *pkt;
ARP_t * arp;
printf("ARP broadcast %d\n", ++ArpTry);
pkt = NetTxPacket;
NetSetEther(pkt, NetBcastAddr, PROT_ARP);
pkt += ETHER_HDR_SIZE;
arp = (ARP_t *)pkt;
arp->ar_hrd = htons(ARP_ETHER);
arp->ar_pro = htons(PROT_IP);
arp->ar_hln = 6;
arp->ar_pln = 4;
arp->ar_op = htons(ARPOP_REQUEST);
memcpy (&arp->ar_data[0], NetOurEther, 6); /* source ET addr */
NetWriteIP((uchar*)&arp->ar_data[6], NetOurIP); /* source IP addr */
for (i=10; i<16; ++i) {
arp->ar_data[i] = 0; /* dest ET addr = 0 */
}
if((NetServerIP & NetOurSubnetMask) != (NetOurIP & NetOurSubnetMask)) {
if (NetOurGatewayIP == 0) {
puts ("## Warning: gatewayip needed but not set\n");
}
NetWriteIP((uchar*)&arp->ar_data[16], NetOurGatewayIP);
} else {
NetWriteIP((uchar*)&arp->ar_data[16], NetServerIP);
}
NetSendPacket(NetTxPacket, ETHER_HDR_SIZE + ARP_HDR_SIZE);
NetSetTimeout(TIMEOUT * CFG_HZ, ArpTimeout);
NetSetHandler(ArpHandler);
}
#endif /* CFG_CMD_NET */

View File

@ -1,40 +0,0 @@
/*
* (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
*/
#ifndef __ARP_H__
#define __ARP_H__
/**********************************************************************/
/*
* Global functions and variables.
*/
extern int ArpTry;
extern void ArpRequest (void); /* Send a ARP request */
/**********************************************************************/
#endif /* __ARP_H__ */

View File

@ -24,7 +24,6 @@
#include <net.h>
#include "bootp.h"
#include "tftp.h"
#include "arp.h"
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#endif
@ -336,10 +335,7 @@ BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
return;
}
/* Send ARP request to get TFTP server ethernet address.
* This automagically starts TFTP, too.
*/
ArpRequest();
TftpStart();
}
#endif /* !CFG_CMD_DHCP */
@ -866,10 +862,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
NetState = NETLOOP_SUCCESS;
return;
}
/* Send ARP request to get TFTP server ethernet address.
* This automagically starts TFTP, too.
*/
ArpRequest();
TftpStart();
return;
}
break;

368
net/net.c
View File

@ -65,10 +65,16 @@
#include "bootp.h"
#include "tftp.h"
#include "rarp.h"
#include "arp.h"
#if (CONFIG_COMMANDS & CFG_CMD_NET)
#define ARP_TIMEOUT 5 /* Seconds before trying ARP again */
#ifndef CONFIG_NET_RETRY_COUNT
# define ARP_TIMEOUT_COUNT 5 /* # of timeouts before giving up */
#else
# define ARP_TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT)
#endif
#if 0
#define ET_DEBUG
#endif
@ -88,7 +94,7 @@ ushort NetBootFileSize=0; /* Our bootfile size in blocks */
ulong NetBootFileXferSize; /* The actual transferred size of the bootfile (in bytes) */
uchar NetOurEther[6]; /* Our ethernet address */
uchar NetServerEther[6] = /* Boot server enet address */
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
{ 0, 0, 0, 0, 0, 0 };
IPaddr_t NetOurIP; /* Our IP addr (0 = unknown) */
IPaddr_t NetServerIP; /* Our IP addr (0 = unknown) */
volatile uchar *NetRxPkt; /* Current receive packet */
@ -96,6 +102,8 @@ int NetRxPktLen; /* Current rx packet length */
unsigned NetIPID; /* IP packet ID */
uchar NetBcastAddr[6] = /* Ethernet bcast address */
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
uchar NetEtherNullAddr[6] =
{ 0, 0, 0, 0, 0, 0 };
int NetState; /* Network loop state */
#ifdef CONFIG_NET_MULTI
int NetRestartWrap = 0; /* Tried all network devices */
@ -105,6 +113,12 @@ static int NetDevExists = 0; /* At least one device configured */
char BootFile[128]; /* Boot File name */
#if (CONFIG_COMMANDS & CFG_CMD_PING)
IPaddr_t NetPingIP; /* the ip address to ping */
static void PingStart(void);
#endif
volatile uchar PktBuf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
volatile uchar *NetRxPackets[PKTBUFSRX]; /* Receive packets */
@ -116,6 +130,81 @@ volatile uchar *NetTxPacket = 0; /* THE transmit packet */
static int net_check_prereq (proto_t protocol);
/**********************************************************************/
IPaddr_t NetArpWaitPacketIP;
IPaddr_t NetArpWaitReplyIP;
uchar *NetArpWaitPacketMAC; /* MAC address of waiting packet's destination */
uchar *NetArpWaitTxPacket; /* THE transmit packet */
int NetArpWaitTxPacketSize;
uchar NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
ulong NetArpWaitTimerStart;
int NetArpWaitTry;
void ArpRequest(void)
{
int i;
volatile uchar *pkt;
ARP_t * arp;
#ifdef ET_DEBUG
printf("ARP broadcast %d\n", NetArpWaitTry);
#endif
pkt = NetTxPacket;
NetSetEther(pkt, NetBcastAddr, PROT_ARP);
pkt += ETHER_HDR_SIZE;
arp = (ARP_t *)pkt;
arp->ar_hrd = htons(ARP_ETHER);
arp->ar_pro = htons(PROT_IP);
arp->ar_hln = 6;
arp->ar_pln = 4;
arp->ar_op = htons(ARPOP_REQUEST);
memcpy (&arp->ar_data[0], NetOurEther, 6); /* source ET addr */
NetWriteIP((uchar*)&arp->ar_data[6], NetOurIP); /* source IP addr */
for (i=10; i<16; ++i) {
arp->ar_data[i] = 0; /* dest ET addr = 0 */
}
if((NetArpWaitPacketIP & NetOurSubnetMask) != (NetOurIP & NetOurSubnetMask)) {
if (NetOurGatewayIP == 0) {
puts ("## Warning: gatewayip needed but not set\n");
}
NetArpWaitReplyIP = NetOurGatewayIP;
} else
NetArpWaitReplyIP = NetArpWaitPacketIP;
NetWriteIP((uchar*)&arp->ar_data[16], NetArpWaitReplyIP);
(void) eth_send(NetTxPacket, ETHER_HDR_SIZE + ARP_HDR_SIZE);
}
void ArpTimeoutCheck(void)
{
ulong t;
if (!NetArpWaitPacketIP)
return;
t = get_timer(0);
/* check for arp timeout */
if ((t - NetArpWaitTimerStart) > ARP_TIMEOUT * CFG_HZ) {
NetArpWaitTry++;
if (NetArpWaitTry >= ARP_TIMEOUT_COUNT) {
puts ("\nARP Retry count exceeded; starting again\n");
NetArpWaitTry = 0;
NetStartAgain();
} else {
NetArpWaitTimerStart = t;
ArpRequest();
}
}
}
/**********************************************************************/
/*
* Main network processing loop.
@ -133,6 +222,14 @@ NetLoop(proto_t protocol)
NetDevExists = 0;
#endif
/* XXX problem with bss workaround */
NetArpWaitPacketMAC = NULL;
NetArpWaitTxPacket = NULL;
NetArpWaitPacketIP = 0;
NetArpWaitReplyIP = 0;
NetArpWaitTxPacket = NULL;
NetTxPacket = NULL;
if (!NetTxPacket) {
int i;
@ -144,6 +241,13 @@ NetLoop(proto_t protocol)
for (i = 0; i < PKTBUFSRX; i++) {
NetRxPackets[i] = NetTxPacket + (i+1)*PKTSIZE_ALIGN;
}
}
if (!NetArpWaitTxPacket) {
NetArpWaitTxPacket = &NetArpWaitPacketBuf[0] + (PKTALIGN - 1);
NetArpWaitTxPacket -= (ulong)NetArpWaitTxPacket % PKTALIGN;
NetArpWaitTxPacketSize = 0;
}
eth_halt();
@ -165,11 +269,27 @@ restart:
*/
switch (protocol) {
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case PING:
#endif
case TFTP:
NetCopyIP(&NetOurIP, &bd->bi_ip_addr);
NetServerIP = getenv_IPaddr ("serverip");
NetOurGatewayIP = getenv_IPaddr ("gatewayip");
NetOurSubnetMask= getenv_IPaddr ("netmask");
switch (protocol) {
case TFTP:
NetServerIP = getenv_IPaddr ("serverip");
break;
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case PING:
/* nothing */
break;
#endif
default:
break;
}
break;
case BOOTP:
case RARP:
@ -202,8 +322,7 @@ restart:
switch (protocol) {
case TFTP:
/* always use ARP to get server ethernet address */
ArpTry = 0;
ArpRequest ();
TftpStart();
break;
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
@ -224,6 +343,11 @@ restart:
RarpTry = 0;
RarpRequest ();
break;
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case PING:
PingStart();
break;
#endif
default:
break;
}
@ -260,6 +384,7 @@ restart:
return (-1);
}
ArpTimeoutCheck();
/*
* Check for a timeout, and run the timeout handler
@ -376,7 +501,138 @@ NetSendPacket(volatile uchar * pkt, int len)
(void) eth_send(pkt, len);
}
int
NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
{
/* convert to new style broadcast */
if (dest == 0)
dest = 0xFFFFFFFF;
/* if broadcast, make the ether address a broadcast and don't do ARP */
if (dest == 0xFFFFFFFF)
ether = NetBcastAddr;
/* if MAC address was not discovered yet, save the packet and do an ARP request */
if (memcmp(ether, NetEtherNullAddr, 6) == 0) {
#ifdef ET_DEBUG
printf("sending ARP for %08lx\n", dest);
#endif
NetArpWaitPacketIP = dest;
NetArpWaitPacketMAC = ether;
NetSetEther (NetArpWaitTxPacket, NetArpWaitPacketMAC, PROT_IP);
NetSetIP (NetArpWaitTxPacket + ETHER_HDR_SIZE, dest, dport, sport, len);
memcpy(NetArpWaitTxPacket + ETHER_HDR_SIZE + IP_HDR_SIZE,
(uchar *)NetTxPacket + ETHER_HDR_SIZE + IP_HDR_SIZE, len);
/* size of the waiting packet */
NetArpWaitTxPacketSize = ETHER_HDR_SIZE + IP_HDR_SIZE + len;
/* and do the ARP request */
NetArpWaitTry = 1;
NetArpWaitTimerStart = get_timer(0);
ArpRequest();
return 1; /* waiting */
}
#ifdef ET_DEBUG
printf("sending UDP to %08lx/%02x:%02x:%02x:%02x:%02x:%02x\n",
dest, ether[0], ether[1], ether[2], ether[3], ether[4], ether[5]);
#endif
NetSetEther (NetTxPacket, ether, PROT_IP);
NetSetIP (NetTxPacket + ETHER_HDR_SIZE, dest, dport, sport, len);
(void) eth_send(NetTxPacket, ETHER_HDR_SIZE + IP_HDR_SIZE + len);
return 0; /* transmited */
}
#if (CONFIG_COMMANDS & CFG_CMD_PING)
static ushort PingSeqNo;
int PingSend(void)
{
static uchar mac[6];
volatile IP_t *ip;
volatile ushort *s;
/* XXX always send arp request */
memcpy(mac, NetEtherNullAddr, 6);
#ifdef ET_DEBUG
printf("sending ARP for %08lx\n", NetPingIP);
#endif
NetArpWaitPacketIP = NetPingIP;
NetArpWaitPacketMAC = mac;
NetSetEther(NetArpWaitTxPacket, mac, PROT_IP);
ip = (volatile IP_t *)(NetArpWaitTxPacket + ETHER_HDR_SIZE);
/*
* Construct an IP and ICMP header. (need to set no fragment bit - XXX)
*/
ip->ip_hl_v = 0x45; /* IP_HDR_SIZE / 4 (not including UDP) */
ip->ip_tos = 0;
ip->ip_len = htons(IP_HDR_SIZE_NO_UDP + 8);
ip->ip_id = htons(NetIPID++);
ip->ip_off = htons(0x4000); /* No fragmentation */
ip->ip_ttl = 255;
ip->ip_p = 0x01; /* ICMP */
ip->ip_sum = 0;
NetCopyIP((void*)&ip->ip_src, &NetOurIP); /* already in network byte order */
NetCopyIP((void*)&ip->ip_dst, &NetPingIP); /* - "" - */
ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2);
s = &ip->udp_src; /* XXX ICMP starts here */
s[0] = htons(0x0800); /* echo-request, code */
s[1] = 0; /* checksum */
s[2] = 0; /* identifier */
s[3] = htons(PingSeqNo++); /* sequence number */
s[1] = ~NetCksum((uchar *)s, 8/2);
/* size of the waiting packet */
NetArpWaitTxPacketSize = ETHER_HDR_SIZE + IP_HDR_SIZE_NO_UDP + 8;
/* and do the ARP request */
NetArpWaitTry = 1;
NetArpWaitTimerStart = get_timer(0);
ArpRequest();
return 1; /* waiting */
}
static void
PingTimeout (void)
{
eth_halt();
NetState = NETLOOP_FAIL; /* we did not get the reply */
}
static void
PingHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
{
IPaddr_t tmp;
volatile IP_t *ip = (volatile IP_t *)pkt;
tmp = NetReadIP((void *)&ip->ip_src);
if (tmp != NetPingIP)
return;
NetState = NETLOOP_SUCCESS;
}
static void PingStart(void)
{
NetSetTimeout (10 * CFG_HZ, PingTimeout);
NetSetHandler (PingHandler);
PingSend();
}
#endif
void
NetReceive(volatile uchar * pkt, int len)
@ -387,7 +643,6 @@ NetReceive(volatile uchar * pkt, int len)
IPaddr_t tmp;
int x;
NetRxPkt = pkt;
NetRxPktLen = len;
et = (Ethernet_t *)pkt;
@ -462,14 +717,40 @@ NetReceive(volatile uchar * pkt, int len)
NetCopyIP(&arp->ar_data[16], &arp->ar_data[6]);
memcpy (&arp->ar_data[ 0], NetOurEther, 6);
NetCopyIP(&arp->ar_data[ 6], &NetOurIP);
NetSendPacket((uchar *)et,((uchar *)arp-pkt)+ARP_HDR_SIZE);
(void) eth_send((uchar *)et, ((uchar *)arp-pkt) + ARP_HDR_SIZE);
return;
case ARPOP_REPLY: /* set TFTP server eth addr */
case ARPOP_REPLY: /* arp reply */
/* are we waiting for a reply */
if (!NetArpWaitPacketIP || !NetArpWaitPacketMAC)
break;
#ifdef ET_DEBUG
printf("Got ARP REPLY, set server/gtwy eth addr\n");
printf("Got ARP REPLY, set server/gtwy eth addr (%02x:%02x:%02x:%02x:%02x:%02x)\n",
arp->ar_data[0], arp->ar_data[1],
arp->ar_data[2], arp->ar_data[3],
arp->ar_data[4], arp->ar_data[5]);
#endif
memcpy (NetServerEther, &arp->ar_data[0], 6);
(*packetHandler)(0,0,0,0); /* start TFTP */
tmp = NetReadIP(&arp->ar_data[6]);
/* matched waiting packet's address */
if (tmp == NetArpWaitReplyIP) {
#ifdef ET_DEBUG
printf("Got it\n");
#endif
/* save address for later use */
memcpy(NetArpWaitPacketMAC, &arp->ar_data[0], 6);
/* modify header, and transmit it */
memcpy(((Ethernet_t *)NetArpWaitTxPacket)->et_dest, NetArpWaitPacketMAC, 6);
(void) eth_send(NetArpWaitTxPacket, NetArpWaitTxPacketSize);
/* no arp request pending now */
NetArpWaitPacketIP = 0;
NetArpWaitTxPacketSize = 0;
NetArpWaitPacketMAC = NULL;
}
return;
default:
#ifdef ET_DEBUG
@ -553,13 +834,26 @@ NetReceive(volatile uchar * pkt, int len)
if (ip->ip_p == IPPROTO_ICMP) {
ICMP_t *icmph = (ICMP_t *)&(ip->udp_src);
if (icmph->type != ICMP_REDIRECT)
return;
switch (icmph->type) {
case ICMP_REDIRECT:
if (icmph->code != ICMP_REDIR_HOST)
return;
puts (" ICMP Host Redirect to ");
print_IPaddr(icmph->un.gateway);
putc(' ');
break;
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case ICMP_ECHO_REPLY:
/*
* IP header OK. Pass the packet to the current handler.
*/
/* XXX point to ip packet */
(*packetHandler)((uchar *)ip, 0, 0, 0);
break;
#endif
default:
return;
}
} else if (ip->ip_p != IPPROTO_UDP) { /* Only UDP packets */
return;
}
@ -582,15 +876,25 @@ NetReceive(volatile uchar * pkt, int len)
static int net_check_prereq (proto_t protocol)
{
switch (protocol) {
case ARP: /* nothing to do */
break;
/* Fall through */
#if (CONFIG_COMMANDS & CFG_CMD_PING)
case PING:
if (NetPingIP == 0) {
puts ("*** ERROR: ping address not given\n");
return (1);
}
goto common;
#endif
case TFTP:
if (NetServerIP == 0) {
puts ("*** ERROR: `serverip' not set\n");
return (1);
}
#if (CONFIG_COMMANDS & CFG_CMD_PING)
common:
#endif
if (NetOurIP == 0) {
puts ("*** ERROR: `ipaddr' not set\n");
return (1);
@ -626,6 +930,8 @@ static int net_check_prereq (proto_t protocol)
#endif
}
/* Fall through */
default:
return(0);
}
return (0); /* OK */
}
@ -723,22 +1029,14 @@ void ip_to_string (IPaddr_t x, char *s)
);
}
void print_IPaddr (IPaddr_t x)
{
char tmp[16];
ip_to_string(x, tmp);
puts(tmp);
}
IPaddr_t getenv_IPaddr (char *var)
IPaddr_t string_to_ip(char *s)
{
IPaddr_t addr;
char *s, *e;
char *e;
int i;
s = getenv (var);
if (s == NULL)
return(0);
for (addr=0, i=0; i<4; ++i) {
ulong val = s ? simple_strtoul(s, &e, 10) : 0;
@ -751,3 +1049,17 @@ IPaddr_t getenv_IPaddr (char *var)
return (htonl(addr));
}
void print_IPaddr (IPaddr_t x)
{
char tmp[16];
ip_to_string(x, tmp);
puts(tmp);
}
IPaddr_t getenv_IPaddr (char *var)
{
return (string_to_ip(getenv(var)));
}

View File

@ -142,10 +142,7 @@ TftpSend (void)
break;
}
NetSetEther (NetTxPacket, NetServerEther, PROT_IP);
NetSetIP (NetTxPacket + ETHER_HDR_SIZE, NetServerIP,
TftpServerPort, TftpOurPort, len);
NetSendPacket (NetTxPacket, ETHER_HDR_SIZE + IP_HDR_SIZE + len);
NetSendUDPPacket(NetServerEther, NetServerIP, TftpServerPort, TftpOurPort, len);
}
@ -257,17 +254,6 @@ TftpTimeout (void)
void
TftpStart (void)
{
#ifdef ET_DEBUG
printf ("\nServer ethernet address %02x:%02x:%02x:%02x:%02x:%02x\n",
NetServerEther[0],
NetServerEther[1],
NetServerEther[2],
NetServerEther[3],
NetServerEther[4],
NetServerEther[5]
);
#endif /* DEBUG */
if (BootFile[0] == '\0') {
IPaddr_t OurIP = ntohl(NetOurIP);
@ -320,6 +306,9 @@ TftpStart (void)
TftpState = STATE_RRQ;
TftpOurPort = 1024 + (get_timer(0) % 3072);
/* zero out server ether in case the server ip has changed */
memset(NetServerEther, 0, 6);
TftpSend ();
}