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uboot-1.1.4-kirkwood/board/mpl/common/common_util.c
2024-01-07 23:57:24 +01:00

675 lines
15 KiB
C

/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
*
* 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 <video_fb.h>
#include "common_util.h"
#include <asm/processor.h>
#include <asm/byteorder.h>
#include <i2c.h>
#include <devices.h>
#include <pci.h>
#include <malloc.h>
#include <bzlib.h>
#ifdef CONFIG_PIP405
#include "../pip405/pip405.h"
#include <405gp_pci.h>
#endif
#ifdef CONFIG_MIP405
#include "../mip405/mip405.h"
#include <405gp_pci.h>
#endif
#if defined(CONFIG_PATI)
#define FIRM_START 0xFFF00000
#endif
extern int gunzip(void *, int, uchar *, unsigned long *);
extern int mem_test(ulong start, ulong ramsize, int quiet);
#define I2C_BACKUP_ADDR 0x7C00 /* 0x200 bytes for backup */
#define IMAGE_SIZE CFG_MONITOR_LEN /* ugly, but it works for now */
extern flash_info_t flash_info[]; /* info for FLASH chips */
static image_header_t header;
static int
mpl_prg(uchar *src, ulong size)
{
ulong start;
flash_info_t *info;
int i, rc;
#if defined(CONFIG_PATI)
int start_sect;
#endif
#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
char *copystr = (char *)src;
ulong *magic = (ulong *)src;
#endif
info = &flash_info[0];
#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
if (ntohl(magic[0]) != IH_MAGIC) {
puts("Bad Magic number\n");
return -1;
}
/* some more checks before we delete the Flash... */
/* Checking the ISO_STRING prevents to program a
* wrong Firmware Image into the flash.
*/
i = 4; /* skip Magic number */
while (1) {
if (strncmp(&copystr[i], "MEV-", 4) == 0)
break;
if (i++ >= 0x100) {
puts("Firmware Image for unknown Target\n");
return -1;
}
}
/* we have the ISO STRING, check */
if (strncmp(&copystr[i], CONFIG_ISO_STRING, sizeof(CONFIG_ISO_STRING)-1) != 0) {
printf("Wrong Firmware Image: %s\n", &copystr[i]);
return -1;
}
#if !defined(CONFIG_PATI)
start = 0 - size;
for (i = info->sector_count-1; i > 0; i--) {
info->protect[i] = 0; /* unprotect this sector */
if (start >= info->start[i])
break;
}
/* set-up flash location */
/* now erase flash */
printf("Erasing at %lx (sector %d) (start %lx)\n",
start,i,info->start[i]);
if ((rc = flash_erase (info, i, info->sector_count-1)) != 0) {
puts("ERROR ");
flash_perror(rc);
return (1);
}
#else /* #if !defined(CONFIG_PATI */
start = FIRM_START;
start_sect = -1;
for (i = 0; i < info->sector_count; i++) {
if (start < info->start[i]) {
start_sect = i - 1;
break;
}
}
info->protect[i - 1] = 0; /* unprotect this sector */
for (; i < info->sector_count; i++) {
if ((start + size) < info->start[i])
break;
info->protect[i] = 0; /* unprotect this sector */
}
i--;
/* set-up flash location */
/* now erase flash */
printf ("Erasing at %lx to %lx (sector %d to %d) (%lx to %lx)\n",
start, start + size, start_sect, i,
info->start[start_sect], info->start[i]);
if ((rc = flash_erase (info, start_sect, i)) != 0) {
puts ("ERROR ");
flash_perror (rc);
return (1);
}
#endif /* defined(CONFIG_PATI) */
#elif defined(CONFIG_VCMA9)
start = 0;
for (i = 0; i <info->sector_count; i++) {
info->protect[i] = 0; /* unprotect this sector */
if (size < info->start[i])
break;
}
/* set-up flash location */
/* now erase flash */
printf("Erasing at %lx (sector %d) (start %lx)\n",
start,0,info->start[0]);
if ((rc = flash_erase (info, 0, i)) != 0) {
puts("ERROR ");
flash_perror(rc);
return (1);
}
#endif
printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",
(ulong)src, size);
if ((rc = flash_write ((char *)src, start, size)) != 0) {
puts("ERROR ");
flash_perror(rc);
return (1);
}
puts("OK programming done\n");
return 0;
}
static int
mpl_prg_image(uchar *ld_addr)
{
unsigned long len, checksum;
uchar *data;
image_header_t *hdr = &header;
int rc;
/* Copy header so we can blank CRC field for re-calculation */
memcpy (&header, (char *)ld_addr, sizeof(image_header_t));
if (ntohl(hdr->ih_magic) != IH_MAGIC) {
puts("Bad Magic Number\n");
return 1;
}
print_image_hdr(hdr);
if (hdr->ih_os != IH_OS_U_BOOT) {
puts("No U-Boot Image\n");
return 1;
}
if (hdr->ih_type != IH_TYPE_FIRMWARE) {
puts("No Firmware Image\n");
return 1;
}
data = (uchar *)&header;
len = sizeof(image_header_t);
checksum = ntohl(hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32 (0, (uchar *)data, len) != checksum) {
puts("Bad Header Checksum\n");
return 1;
}
data = ld_addr + sizeof(image_header_t);
len = ntohl(hdr->ih_size);
puts("Verifying Checksum ... ");
if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
puts("Bad Data CRC\n");
return 1;
}
puts("OK\n");
if (hdr->ih_comp != IH_COMP_NONE) {
uchar *buf;
/* reserve space for uncompressed image */
if ((buf = malloc(IMAGE_SIZE)) == NULL) {
puts("Insufficient space for decompression\n");
return 1;
}
switch (hdr->ih_comp) {
case IH_COMP_GZIP:
puts("Uncompressing (GZIP) ... ");
rc = gunzip ((void *)(buf), IMAGE_SIZE, data, &len);
if (rc != 0) {
puts("GUNZIP ERROR\n");
free(buf);
return 1;
}
puts("OK\n");
break;
#ifdef CONFIG_BZIP2
case IH_COMP_BZIP2:
puts("Uncompressing (BZIP2) ... ");
{
uint retlen = IMAGE_SIZE;
rc = BZ2_bzBuffToBuffDecompress ((char *)(buf), &retlen,
(char *)data, len, 0, 0);
len = retlen;
}
if (rc != BZ_OK) {
printf ("BUNZIP2 ERROR: %d\n", rc);
free(buf);
return 1;
}
puts("OK\n");
break;
#endif
default:
printf ("Unimplemented compression type %d\n", hdr->ih_comp);
free(buf);
return 1;
}
rc = mpl_prg(buf, len);
free(buf);
} else {
rc = mpl_prg(data, len);
}
return(rc);
}
#if !defined(CONFIG_PATI)
void get_backup_values(backup_t *buf)
{
i2c_read(CFG_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)buf,sizeof(backup_t));
}
void set_backup_values(int overwrite)
{
backup_t back;
int i;
get_backup_values(&back);
if(!overwrite) {
if(strncmp(back.signature,"MPL\0",4)==0) {
puts("Not possible to write Backup\n");
return;
}
}
memcpy(back.signature,"MPL\0",4);
i = getenv_r("serial#",back.serial_name,16);
if(i < 0) {
puts("Not possible to write Backup\n");
return;
}
back.serial_name[16]=0;
i = getenv_r("ethaddr",back.eth_addr,20);
if(i < 0) {
puts("Not possible to write Backup\n");
return;
}
back.eth_addr[20]=0;
i2c_write(CFG_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
}
void clear_env_values(void)
{
backup_t back;
unsigned char env_crc[4];
memset(&back,0xff,sizeof(backup_t));
memset(env_crc,0x00,4);
i2c_write(CFG_DEF_EEPROM_ADDR,I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
i2c_write(CFG_DEF_EEPROM_ADDR,CFG_ENV_OFFSET,2,(void *)env_crc,4);
}
/*
* check crc of "older" environment
*/
int check_env_old_size(ulong oldsize)
{
ulong crc, len, new;
unsigned off;
uchar buf[64];
/* read old CRC */
eeprom_read (CFG_DEF_EEPROM_ADDR,
CFG_ENV_OFFSET,
(uchar *)&crc, sizeof(ulong));
new = 0;
len = oldsize;
off = sizeof(long);
len = oldsize-off;
while (len > 0) {
int n = (len > sizeof(buf)) ? sizeof(buf) : len;
eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, buf, n);
new = crc32 (new, buf, n);
len -= n;
off += n;
}
return (crc == new);
}
static ulong oldsizes[] = {
0x200,
0x800,
0
};
void copy_old_env(ulong size)
{
uchar name_buf[64];
uchar value_buf[0x800];
uchar c;
ulong len;
unsigned off;
uchar *name, *value;
name=&name_buf[0];
value=&value_buf[0];
len=size;
off = sizeof(long);
while (len > off) {
eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, &c, 1);
if(c != '=') {
*name++=c;
off++;
}
else {
*name++='\0';
off++;
do {
eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, &c, 1);
*value++=c;
off++;
if(c == '\0')
break;
} while(len > off);
name=&name_buf[0];
value=&value_buf[0];
if(strncmp((char *)name,"baudrate",8)!=0) {
setenv((char *)name,(char *)value);
}
}
}
}
void check_env(void)
{
char *s;
int i=0;
char buf[32];
backup_t back;
s=getenv("serial#");
if(!s) {
while(oldsizes[i]) {
if(check_env_old_size(oldsizes[i]))
break;
i++;
}
if(!oldsizes[i]) {
/* no old environment has been found */
get_backup_values (&back);
if (strncmp (back.signature, "MPL\0", 4) == 0) {
sprintf (buf, "%s", back.serial_name);
setenv ("serial#", buf);
sprintf (buf, "%s", back.eth_addr);
setenv ("ethaddr", buf);
printf ("INFO: serial# and ethaddr recovered, use saveenv\n");
return;
}
}
else {
copy_old_env(oldsizes[i]);
puts("INFO: old environment ajusted, use saveenv\n");
}
}
else {
/* check if back up is set */
get_backup_values(&back);
if(strncmp(back.signature,"MPL\0",4)!=0) {
set_backup_values(0);
}
}
}
extern device_t *stdio_devices[];
extern char *stdio_names[];
void show_stdio_dev(void)
{
/* Print information */
puts("In: ");
if (stdio_devices[stdin] == NULL) {
puts("No input devices available!\n");
} else {
printf ("%s\n", stdio_devices[stdin]->name);
}
puts("Out: ");
if (stdio_devices[stdout] == NULL) {
puts("No output devices available!\n");
} else {
printf ("%s\n", stdio_devices[stdout]->name);
}
puts("Err: ");
if (stdio_devices[stderr] == NULL) {
puts("No error devices available!\n");
} else {
printf ("%s\n", stdio_devices[stderr]->name);
}
}
#endif /* #if !defined(CONFIG_PATI) */
int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong size,src,ld_addr;
int result;
#if !defined(CONFIG_PATI)
backup_t back;
src = MULTI_PURPOSE_SOCKET_ADDR;
size = IMAGE_SIZE;
#endif
if (strcmp(argv[1], "flash") == 0)
{
#if (CONFIG_COMMANDS & CFG_CMD_FDC)
if (strcmp(argv[2], "floppy") == 0) {
char *local_args[3];
extern int do_fdcboot (cmd_tbl_t *, int, int, char *[]);
puts("\nupdating bootloader image from floppy\n");
local_args[0] = argv[0];
if(argc==4) {
local_args[1] = argv[3];
local_args[2] = NULL;
ld_addr=simple_strtoul(argv[3], NULL, 16);
result=do_fdcboot(cmdtp, 0, 2, local_args);
}
else {
local_args[1] = NULL;
ld_addr=CFG_LOAD_ADDR;
result=do_fdcboot(cmdtp, 0, 1, local_args);
}
result=mpl_prg_image((uchar *)ld_addr);
return result;
}
#endif /* (CONFIG_COMMANDS & CFG_CMD_FDC) */
if (strcmp(argv[2], "mem") == 0) {
if(argc==4) {
ld_addr=simple_strtoul(argv[3], NULL, 16);
}
else {
ld_addr=load_addr;
}
printf ("\nupdating bootloader image from memory at %lX\n",ld_addr);
result=mpl_prg_image((uchar *)ld_addr);
return result;
}
#if !defined(CONFIG_PATI)
if (strcmp(argv[2], "mps") == 0) {
puts("\nupdating bootloader image from MPS\n");
result=mpl_prg((uchar *)src,size);
return result;
}
#endif /* #if !defined(CONFIG_PATI) */
}
if (strcmp(argv[1], "mem") == 0)
{
result=0;
if(argc==3)
{
result = (int)simple_strtol(argv[2], NULL, 16);
}
src=(unsigned long)&result;
src-=CFG_MEMTEST_START;
src-=(100*1024); /* - 100k */
src&=0xfff00000;
size=0;
do {
size++;
printf("\n\nPass %ld\n",size);
mem_test(CFG_MEMTEST_START,src,1);
if(ctrlc())
break;
if(result>0)
result--;
}while(result);
return 0;
}
#if !defined(CONFIG_PATI)
if (strcmp(argv[1], "clearenvvalues") == 0)
{
if (strcmp(argv[2], "yes") == 0)
{
clear_env_values();
return 0;
}
}
if (strcmp(argv[1], "getback") == 0) {
get_backup_values(&back);
back.signature[3]=0;
back.serial_name[16]=0;
back.eth_addr[20]=0;
printf("GetBackUp: signature: %s\n",back.signature);
printf(" serial#: %s\n",back.serial_name);
printf(" ethaddr: %s\n",back.eth_addr);
return 0;
}
if (strcmp(argv[1], "setback") == 0) {
set_backup_values(1);
return 0;
}
#endif
printf("Usage:\n%s\n", cmdtp->usage);
return 1;
}
#if (CONFIG_COMMANDS & CFG_CMD_DOC)
extern void doc_probe(ulong physadr);
void doc_init (void)
{
doc_probe(MULTI_PURPOSE_SOCKET_ADDR);
}
#endif
#ifdef CONFIG_VIDEO
/******************************************************
* Routines to display the Board information
* to the screen (since the VGA will be initialized as last,
* we must resend the infos)
*/
#ifdef CONFIG_CONSOLE_EXTRA_INFO
extern GraphicDevice ctfb;
extern int get_boot_mode(void);
void video_get_info_str (int line_number, char *info)
{
/* init video info strings for graphic console */
DECLARE_GLOBAL_DATA_PTR;
PPC405_SYS_INFO sys_info;
char rev;
int i,boot;
unsigned long pvr;
char buf[64];
char tmp[16];
char cpustr[16];
char *s, *e, bc;
switch (line_number)
{
case 2:
/* CPU and board infos */
pvr=get_pvr();
get_sys_info (&sys_info);
switch (pvr) {
case PVR_405GP_RB: rev='B'; break;
case PVR_405GP_RC: rev='C'; break;
case PVR_405GP_RD: rev='D'; break;
case PVR_405GP_RE: rev='E'; break;
case PVR_405GPR_RB: rev='B'; break;
default: rev='?'; break;
}
if(pvr==PVR_405GPR_RB)
sprintf(cpustr,"PPC405GPr %c",rev);
else
sprintf(cpustr,"PPC405GP %c",rev);
/* Board info */
i=0;
s=getenv ("serial#");
#ifdef CONFIG_PIP405
if (!s || strncmp (s, "PIP405", 6)) {
sprintf(buf,"### No HW ID - assuming PIP405");
}
#endif
#ifdef CONFIG_MIP405
if (!s || strncmp (s, "MIP405", 6)) {
sprintf(buf,"### No HW ID - assuming MIP405");
}
#endif
else {
for (e = s; *e; ++e) {
if (*e == ' ')
break;
}
for (; s < e; ++s) {
if (*s == '_') {
++s;
break;
}
buf[i++]=*s;
}
sprintf(&buf[i]," SN ");
i+=4;
for (; s < e; ++s) {
buf[i++]=*s;
}
buf[i++]=0;
}
sprintf (info," %s %s %s MHz (%lu/%lu/%lu MHz)",
buf, cpustr,
strmhz (tmp, gd->cpu_clk), sys_info.freqPLB / 1000000,
sys_info.freqPLB / sys_info.pllOpbDiv / 1000000,
sys_info.freqPLB / sys_info.pllExtBusDiv / 1000000);
return;
case 3:
/* Memory Info */
boot = get_boot_mode();
bc = in8 (CONFIG_PORT_ADDR);
sprintf(info, " %luMB RAM, %luMB Flash Cfg 0x%02X %s %s",
gd->bd->bi_memsize / 0x100000,
gd->bd->bi_flashsize / 0x100000,
bc,
(boot & BOOT_MPS) ? "MPS boot" : "Flash boot",
ctfb.modeIdent);
return;
case 1:
sprintf (buf, "%s",CONFIG_IDENT_STRING);
sprintf (info, " %s", &buf[1]);
return;
}
/* no more info lines */
*info = 0;
return;
}
#endif /* CONFIG_CONSOLE_EXTRA_INFO */
#endif /* CONFIG_VIDEO */