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This commit is contained in:
wdenk 2002-10-25 20:35:49 +00:00
parent ce23b153d8
commit 217c9dad82
3 changed files with 4127 additions and 0 deletions
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113
board/eltec/elppc/eepro100_srom.c Normal file
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/*
* Local network srom writing for first time run
*/
/* includes */
#include <common.h>
#include <pci.h>
#include <net.h>
#include "srom.h"
extern int eepro100_write_eeprom (struct eth_device* dev,
int location, int addr_len, unsigned short data);
/*----------------------------------------------------------------------------*/
unsigned short eepro100_srom_checksum (unsigned short *sromdata)
{
unsigned short sum = 0;
unsigned int i;
for (i = 0; i < (EE_SIZE-1); i++)
{
sum += sromdata[i];
}
return (EE_CHECKSUM - sum);
}
/*----------------------------------------------------------------------------*/
int eepro100_srom_store (unsigned short *source)
{
int count;
struct eth_device onboard_dev;
/* get onboard network iobase */
pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
&onboard_dev.iobase);
onboard_dev.iobase &= ~0xf;
source[63] = eepro100_srom_checksum (source);
for (count=0; count < EE_SIZE; count++)
{
if ( eepro100_write_eeprom ((struct eth_device*)&onboard_dev,
count, EE_ADDR_BITS, SROM_SHORT(source)) == -1 )
return -1;
source++;
}
return 0;
}
/*----------------------------------------------------------------------------*/
#ifdef EEPRO100_SROM_CHECK
extern int read_eeprom (struct eth_device* dev, int location, int addr_len);
void eepro100_srom_load (unsigned short *destination)
{
int count;
struct eth_device onboard_dev;
#ifdef DEBUG
int lr = 0;
printf ("eepro100_srom_download:\n");
#endif
/* get onboard network iobase */
pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
&onboard_dev.iobase);
onboard_dev.iobase &= ~0xf;
memset (destination, 0x65, 128);
for (count=0; count < 0x40; count++)
{
*destination++ = read_eeprom (struct eth_device*)&onboard_dev,
count, EE_ADDR_BITS);
#ifdef DEBUG
printf ("%04x ", *(destination - 1));
if (lr++ == 7)
{
printf("\n");
lr = 0;
}
#endif
}
}
#endif /* EEPRO100_SROM_CHECK */
/*----------------------------------------------------------------------------*/

697
board/flagadm/flash.c Normal file
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/*
* (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 <common.h>
#include <mpc8xx.h>
#include <flash.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*-----------------------------------------------------------------------
* Functions
*/
ulong flash_recognize (vu_long *base);
int write_word (flash_info_t *info, ulong dest, ulong data);
void flash_get_geometry (vu_long *base, flash_info_t *info);
void flash_unprotect(flash_info_t *info);
int _flash_real_protect(flash_info_t *info, long idx, int on);
unsigned long flash_init (void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
int i;
int rec;
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
*((vu_short*)CFG_FLASH_BASE) = 0xffff;
flash_get_geometry ((vu_long*)CFG_FLASH_BASE, &flash_info[0]);
/* Remap FLASH according to real size */
memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-flash_info[0].size & 0xFFFF8000);
memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) |
(memctl->memc_br0 & ~(BR_BA_MSK));
rec = flash_recognize((vu_long*)CFG_FLASH_BASE);
if (rec == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
flash_info[0].size, flash_info[0].size<<20);
}
#if CFG_FLASH_PROTECTION
/*Unprotect all the flash memory*/
flash_unprotect(&flash_info[0]);
#endif
*((vu_short*)CFG_FLASH_BASE) = 0xffff;
return (flash_info[0].size);
#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
/* monitor protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_MONITOR_BASE,
CFG_MONITOR_BASE+CFG_MONITOR_LEN-1,
&flash_info[0]);
#endif
#ifdef CFG_ENV_IS_IN_FLASH
/* ENV protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_ENV_OFFSET,
CFG_ENV_OFFSET+CFG_ENV_SIZE-1,
&flash_info[0]);
#endif
return (flash_info[0].size);
}
int flash_get_protect_status(flash_info_t * info, long idx)
{
vu_short * base;
ushort res;
#ifdef DEBUG
printf("\n Attempting to set protection info with %d sectors\n", info->sector_count);
#endif
base = (vu_short*)info->start[idx];
*(base) = 0xffff;
*(base + 0x55) = 0x0098;
res = base[0x2];
*(base) = 0xffff;
if(res != 0)
res = 1;
else
res = 0;
return res;
}
void flash_get_geometry (vu_long *base, flash_info_t *info)
{
int i,j;
ulong ner = 0;
vu_short * sb = (vu_short*)base;
ulong offset = (ulong)base;
/* Read Device geometry */
*sb = 0xffff;
*sb = 0x0090;
info->flash_id = ((ulong)base[0x0]);
#ifdef DEBUG
printf("Id is %x\n", (uint)(ulong)info->flash_id);
#endif
*sb = 0xffff;
*(sb+0x55) = 0x0098;
info->size = 1 << (sb[0x27]); /* Read flash size */
#ifdef DEBUG
printf("Size is %x\n", (uint)(ulong)info->size);
#endif
*sb = 0xffff;
*(sb + 0x55) = 0x0098;
ner = sb[0x2c] ; /*Number of erase regions*/
#ifdef DEBUG
printf("Number of erase regions %x\n", (uint)ner);
#endif
info->sector_count = 0;
for(i = 0; i < ner; i++)
{
uint s;
uint count;
uint t1,t2,t3,t4;
*sb = 0xffff;
*(sb + 0x55) = 0x0098;
t1 = sb[0x2d + i*4];
t2 = sb[0x2e + i*4];
t3 = sb[0x2f + i*4];
t4 = sb[0x30 + i*4];
count = ((t1 & 0x00ff) | (((t2 & 0x00ff) << 8) & 0xff00) )+ 1; /*sector count*/
s = ((t3 & 0x00ff) | (((t4 & 0x00ff) << 8) & 0xff00)) * 256;; /*Sector size*/
#ifdef DEBUG
printf("count and size %x, %x\n", count, s);
printf("sector count for erase region %d is %d\n", i, count);
#endif
for(j = 0; j < count; j++)
{
#ifdef DEBUG
printf("%x, ", (uint)offset);
#endif
info->start[ info->sector_count + j] = offset;
offset += s;
}
info->sector_count += count;
}
if ((offset - (ulong)base) != info->size)
printf("WARNING reported size %x does not match to calculted size %x.\n"
, (uint)info->size, (uint)(offset - (ulong)base) );
/* Next check if there are any sectors protected.*/
for(i = 0; i < info->sector_count; i++)
info->protect[i] = flash_get_protect_status(info, i);
*sb = 0xffff;
}
/*-----------------------------------------------------------------------
*/
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 INTEL_MANUFACT & FLASH_VENDMASK:
printf ("Intel ");
break;
default:
printf ("Unknown Vendor ");
break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case INTEL_ID_28F320C3B & FLASH_TYPEMASK:
printf ("28F320RC3(4 MB)\n");
break;
case INTEL_ID_28F320J3A:
printf("28F320J3A (4 MB)\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 % 4) == 0)
printf ("\n ");
printf (" %02d %08lX%s",
i, info->start[i],
info->protect[i]!=0 ? " (RO)" : " "
);
}
printf ("\n");
return ;
}
ulong flash_recognize (vu_long *base)
{
ulong id;
ulong res = FLASH_UNKNOWN;
vu_short * sb = (vu_short*)base;
*sb = 0xffff;
*sb = 0x0090;
id = base[0];
switch (id & 0x00FF0000)
{
case (MT_MANUFACT & 0x00FF0000): /* MT or => Intel */
case (INTEL_ALT_MANU & 0x00FF0000):
res = FLASH_MAN_INTEL;
break;
default:
res = FLASH_UNKNOWN;
}
*sb = 0xffff;
return res;
}
/*-----------------------------------------------------------------------*/
#define INTEL_FLASH_STATUS_BLS 0x02
#define INTEL_FLASH_STATUS_PSS 0x04
#define INTEL_FLASH_STATUS_VPPS 0x08
#define INTEL_FLASH_STATUS_PS 0x10
#define INTEL_FLASH_STATUS_ES 0x20
#define INTEL_FLASH_STATUS_ESS 0x40
#define INTEL_FLASH_STATUS_WSMS 0x80
int flash_decode_status_bits(char status)
{
int err = 0;
if(!(status & INTEL_FLASH_STATUS_WSMS)) {
printf("Busy\n");
err = -1;
}
if(status & INTEL_FLASH_STATUS_ESS) {
printf("Erase suspended\n");
err = -1;
}
if(status & INTEL_FLASH_STATUS_ES) {
printf("Error in block erase\n");
err = -1;
}
if(status & INTEL_FLASH_STATUS_PS) {
printf("Error in programming\n");
err = -1;
}
if(status & INTEL_FLASH_STATUS_VPPS) {
printf("Vpp low, operation aborted\n");
err = -1;
}
if(status & INTEL_FLASH_STATUS_PSS) {
printf("Program is suspended\n");
err = -1;
}
if(status & INTEL_FLASH_STATUS_BLS) {
printf("Attempting to program/erase a locked sector\n");
err = -1;
}
if((status & INTEL_FLASH_STATUS_PS) &&
(status & INTEL_FLASH_STATUS_ES) &&
(status & INTEL_FLASH_STATUS_ESS)) {
printf("A command sequence error\n");
return -1;
}
return err;
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
vu_short *addr;
int flag, prot, sect;
ulong start, now;
int rcode = 0;
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) != (INTEL_MANUFACT & FLASH_VENDMASK)) {
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");
}
start = get_timer (0);
/* Start erase on unprotected sectors */
for (sect = s_first; sect<=s_last; sect++) {
char tmp;
if (info->protect[sect] == 0) { /* not protected */
addr = (vu_short *)(info->start[sect]);
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Single Block Erase Command */
*addr = 0x0020;
/* Confirm */
*addr = 0x00D0;
/* Resume Command, as per errata update */
*addr = 0x00D0;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
*addr = 0x70; /*Read status register command*/
tmp = (short)*addr & 0x00FF; /* Read the status */
while (!(tmp & INTEL_FLASH_STATUS_WSMS)) {
if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
*addr = 0x0050; /* Reset the status register */
*addr = 0xffff;
printf ("Timeout\n");
return 1;
}
/* show that we're waiting */
if ((now - start) > 1000) { /* every second */
putc ('.');
}
udelay(100000); /* 100 ms */
*addr = 0x0070; /*Read status register command*/
tmp = (short)*addr & 0x00FF; /* Read status */
start = get_timer(0);
}
if( tmp & INTEL_FLASH_STATUS_ES )
flash_decode_status_bits(tmp);
*addr = 0x0050; /* Reset the status register */
*addr = 0xffff; /* Reset to read mode */
}
}
printf (" done\n");
return rcode;
}
void flash_unprotect (flash_info_t *info)
{
/*We can only unprotect the whole flash at once*/
/*Therefore we must prevent the _flash_real_protect()*/
/*from re-protecting sectors, that ware protected before */
/*we called flash_real_protect();*/
int i;
for(i = 0; i < info->sector_count; i++)
info->protect[i] = 0;
#ifdef CFG_FLASH_PROTECTION
_flash_real_protect(info, 0, 0);
#endif
}
/*-----------------------------------------------------------------------
* 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
*/
int write_word (flash_info_t *info, ulong dest, ulong da)
{
vu_short *addr = (vu_short *)dest;
ulong start;
char csr;
int flag;
ushort * d = (ushort*)&da;
int i;
/* Check if Flash is (sufficiently) erased */
if (((*addr & d[0]) != d[0]) || ((*(addr+1) & d[1]) != d[1])) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
for(i = 0; i < 2; i++)
{
/* Write Command */
*addr = 0x0010;
/* Write Data */
*addr = d[i];
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* data polling for D7 */
start = get_timer (0);
flag = 0;
*addr = 0x0070; /*Read statusregister command */
while (((csr = *addr) & INTEL_FLASH_STATUS_WSMS)!=INTEL_FLASH_STATUS_WSMS) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
flag = 1;
break;
}
*addr = 0x0070; /*Read statusregister command */
}
if (csr & INTEL_FLASH_STATUS_PSS) {
printf ("CSR indicates write error (%0x) at %08lx\n",
csr, (ulong)addr);
flag = 1;
}
/* Clear Status Registers Command */
*addr = 0x0050;
/* Reset to read array mode */
*addr = 0xffff;
addr++;
}
return (flag);
}
int flash_real_protect(flash_info_t *info, long offset, int prot)
{
int i, idx;
for(idx = 0; idx < info->sector_count; idx++)
if(info->start[idx] == offset)
break;
if(idx==info->sector_count)
return -1;
if(prot == 0) {
/* Unprotect one sector, which means unprotect all flash
* and reprotect the other protected sectors.
*/
_flash_real_protect(info, 0, 0); /* Unprotects the whole flash*/
info->protect[idx] = 0;
for(i = 0; i < info->sector_count; i++)
if(info->protect[i])
_flash_real_protect(info, i, 1);
}
else {
/* We can protect individual sectors */
_flash_real_protect(info, idx, 1);
}
for( i = 0; i < info->sector_count; i++)
info->protect[i] = flash_get_protect_status(info, i);
return 0;
}
int _flash_real_protect(flash_info_t *info, long idx, int prot)
{
vu_short *addr;
int flag;
ushort cmd;
ushort tmp;
ulong now, start;
if ((info->flash_id & FLASH_VENDMASK) != (INTEL_MANUFACT & FLASH_VENDMASK)) {
printf ("Can't change protection for unknown flash type %08lx - aborted\n",
info->flash_id);
return -1;
}
if(prot == 0) {
/*Unlock the sector*/
cmd = 0x00D0;
}
else {
/*Lock the sector*/
cmd = 0x0001;
}
addr = (vu_short *)(info->start[idx]);
/* If chip is busy, wait for it */
start = get_timer(0);
*addr = 0x0070; /*Read status register command*/
tmp = ((ushort)(*addr))&0x00ff; /*Read the status*/
while(!(tmp & INTEL_FLASH_STATUS_WSMS)) {
/*Write State Machine Busy*/
/*Wait untill done or timeout.*/
if ((now=get_timer(start)) > CFG_FLASH_WRITE_TOUT) {
*addr = 0x0050; /* Reset the status register */
*addr = 0xffff; /* Reset the chip */
printf ("TTimeout\n");
return 1;
}
*addr = 0x0070;
tmp = ((ushort)(*addr))&0x00ff; /*Read the status*/
start = get_timer(0);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Unlock block*/
*addr = 0x0060;
*addr = cmd;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
start = get_timer(0);
*addr = 0x0070; /*Read status register command*/
tmp = ((ushort)(*addr)) & 0x00FF; /* Read the status */
while (!(tmp & INTEL_FLASH_STATUS_WSMS)) {
/* Write State Machine Busy */
if ((now=get_timer(start)) > CFG_FLASH_WRITE_TOUT) {
*addr = 0x0050; /* Reset the status register */
*addr = 0xffff;
printf ("Timeout\n");
return 1;
}
/* show that we're waiting */
if ((now - start) > 1000) { /* every second */
putc ('.');
}
udelay(100000); /* 100 ms */
*addr = 0x70; /*Read status register command*/
tmp = (short)*addr & 0x00FF; /* Read status */
start = get_timer(0);
}
if( tmp & INTEL_FLASH_STATUS_PS )
flash_decode_status_bits(tmp);
*addr =0x0050; /*Clear status register*/
/* reset to read mode */
*addr = 0xffff;
return 0;
}

3317
common/dlmalloc.c Normal file
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