upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
249 lines
7.0 KiB
249 lines
7.0 KiB
/*
|
|
* (C) Copyright 2001
|
|
* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include "part_iso.h"
|
|
|
|
#ifdef HAVE_BLOCK_DEVICE
|
|
|
|
/* #define ISO_PART_DEBUG */
|
|
|
|
#ifdef ISO_PART_DEBUG
|
|
#define PRINTF(fmt,args...) printf (fmt ,##args)
|
|
#else
|
|
#define PRINTF(fmt,args...)
|
|
#endif
|
|
|
|
/* enable this if CDs are written with the PowerPC Platform ID */
|
|
#undef CHECK_FOR_POWERPC_PLATTFORM
|
|
#define CD_SECTSIZE 2048
|
|
|
|
static unsigned char tmpbuf[CD_SECTSIZE];
|
|
|
|
/* Convert char[4] in little endian format to the host format integer
|
|
*/
|
|
static inline unsigned long le32_to_int(unsigned char *le32)
|
|
{
|
|
return ((le32[3] << 24) +
|
|
(le32[2] << 16) +
|
|
(le32[1] << 8) +
|
|
le32[0]
|
|
);
|
|
}
|
|
/* Convert char[2] in little endian format to the host format integer
|
|
*/
|
|
static inline unsigned short le16_to_int(unsigned char *le16)
|
|
{
|
|
return ((le16[1] << 8) +
|
|
le16[0]
|
|
);
|
|
}
|
|
|
|
|
|
/* only boot records will be listed as valid partitions */
|
|
int get_partition_info_iso_verb(block_dev_desc_t * dev_desc, int part_num, disk_partition_t * info, int verb)
|
|
{
|
|
int i,offset,entry_num;
|
|
unsigned short *chksumbuf;
|
|
unsigned short chksum;
|
|
unsigned long newblkaddr,blkaddr,lastsect,bootaddr;
|
|
iso_boot_rec_t *pbr = (iso_boot_rec_t *)tmpbuf; /* boot record */
|
|
iso_pri_rec_t *ppr = (iso_pri_rec_t *)tmpbuf; /* primary desc */
|
|
iso_val_entry_t *pve = (iso_val_entry_t *)tmpbuf;
|
|
iso_init_def_entry_t *pide;
|
|
|
|
if (dev_desc->blksz != CD_SECTSIZE)
|
|
return -1;
|
|
|
|
/* the first sector (sector 0x10) must be a primary volume desc */
|
|
blkaddr=PVD_OFFSET;
|
|
if (dev_desc->block_read (dev_desc->dev, PVD_OFFSET, 1, (ulong *) tmpbuf) != 1)
|
|
return (-1);
|
|
if(ppr->desctype!=0x01) {
|
|
if(verb)
|
|
printf ("** First descriptor is NOT a primary desc on %d:%d **\n",
|
|
dev_desc->dev, part_num);
|
|
return (-1);
|
|
}
|
|
if(strncmp((char *)ppr->stand_ident,"CD001",5)!=0) {
|
|
if(verb)
|
|
printf ("** Wrong ISO Ident: %s on %d:%d **\n",
|
|
ppr->stand_ident,dev_desc->dev, part_num);
|
|
return (-1);
|
|
}
|
|
lastsect= ((ppr->firstsek_LEpathtab1_LE & 0x000000ff)<<24) +
|
|
((ppr->firstsek_LEpathtab1_LE & 0x0000ff00)<< 8) +
|
|
((ppr->firstsek_LEpathtab1_LE & 0x00ff0000)>> 8) +
|
|
((ppr->firstsek_LEpathtab1_LE & 0xff000000)>>24) ;
|
|
info->blksz=ppr->secsize_BE; /* assuming same block size for all entries */
|
|
PRINTF(" Lastsect:%08lx\n",lastsect);
|
|
for(i=blkaddr;i<lastsect;i++) {
|
|
PRINTF("Reading block %d\n", i);
|
|
if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *) tmpbuf) != 1)
|
|
return (-1);
|
|
if(ppr->desctype==0x00)
|
|
break; /* boot entry found */
|
|
if(ppr->desctype==0xff) {
|
|
if(verb)
|
|
printf ("** No valid boot catalog found on %d:%d **\n",
|
|
dev_desc->dev, part_num);
|
|
return (-1);
|
|
}
|
|
}
|
|
/* boot entry found */
|
|
if(strncmp(pbr->ident_str,"EL TORITO SPECIFICATION",23)!=0) {
|
|
if(verb)
|
|
printf ("** Wrong El Torito ident: %s on %d:%d **\n",
|
|
pbr->ident_str,dev_desc->dev, part_num);
|
|
return (-1);
|
|
}
|
|
bootaddr=le32_to_int(pbr->pointer);
|
|
PRINTF(" Boot Entry at: %08lX\n",bootaddr);
|
|
if (dev_desc->block_read (dev_desc->dev, bootaddr, 1, (ulong *) tmpbuf) != 1) {
|
|
if(verb)
|
|
printf ("** Can't read Boot Entry at %lX on %d:%d **\n",
|
|
bootaddr,dev_desc->dev, part_num);
|
|
return (-1);
|
|
}
|
|
chksum=0;
|
|
chksumbuf = (unsigned short *)tmpbuf;
|
|
for(i=0;i<0x10;i++)
|
|
chksum+=((chksumbuf[i] &0xff)<<8)+((chksumbuf[i] &0xff00)>>8);
|
|
if(chksum!=0) {
|
|
if(verb)
|
|
printf ("** Checksum Error in booting catalog validation entry on %d:%d **\n",
|
|
dev_desc->dev, part_num);
|
|
return (-1);
|
|
}
|
|
if((pve->key[0]!=0x55)||(pve->key[1]!=0xAA)) {
|
|
if(verb)
|
|
printf ("** Key 0x55 0xAA error on %d:%d **\n",
|
|
dev_desc->dev, part_num);
|
|
return(-1);
|
|
}
|
|
#ifdef CHECK_FOR_POWERPC_PLATTFORM
|
|
if(pve->platform!=0x01) {
|
|
if(verb)
|
|
printf ("** No PowerPC platform CD on %d:%d **\n",
|
|
dev_desc->dev, part_num);
|
|
return(-1);
|
|
}
|
|
#endif
|
|
/* the validation entry seems to be ok, now search the "partition" */
|
|
entry_num=0;
|
|
offset=0x20;
|
|
sprintf ((char *)info->type, "U-Boot");
|
|
switch(dev_desc->if_type) {
|
|
case IF_TYPE_IDE:
|
|
case IF_TYPE_SATA:
|
|
case IF_TYPE_ATAPI:
|
|
sprintf ((char *)info->name, "hd%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
case IF_TYPE_SCSI:
|
|
sprintf ((char *)info->name, "sd%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
case IF_TYPE_USB:
|
|
sprintf ((char *)info->name, "usbd%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
case IF_TYPE_DOC:
|
|
sprintf ((char *)info->name, "docd%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
default:
|
|
sprintf ((char *)info->name, "xx%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
}
|
|
/* the bootcatalog (including validation Entry) is limited to 2048Bytes
|
|
* (63 boot entries + validation entry) */
|
|
while(offset<2048) {
|
|
pide=(iso_init_def_entry_t *)&tmpbuf[offset];
|
|
if ((pide->boot_ind==0x88) ||
|
|
(pide->boot_ind==0x00)) { /* Header Id for default Sections Entries */
|
|
if(entry_num==part_num) { /* part found */
|
|
goto found;
|
|
}
|
|
entry_num++; /* count partitions Entries (boot and non bootables */
|
|
offset+=0x20;
|
|
continue;
|
|
}
|
|
if ((pide->boot_ind==0x90) || /* Section Header Entry */
|
|
(pide->boot_ind==0x91) || /* Section Header Entry (last) */
|
|
(pide->boot_ind==0x44)) { /* Extension Indicator */
|
|
offset+=0x20; /* skip unused entries */
|
|
}
|
|
else {
|
|
if(verb)
|
|
printf ("** Partition %d not found on device %d **\n",
|
|
part_num,dev_desc->dev);
|
|
return(-1);
|
|
}
|
|
}
|
|
/* if we reach this point entire sector has been
|
|
* searched w/o succsess */
|
|
if(verb)
|
|
printf ("** Partition %d not found on device %d **\n",
|
|
part_num,dev_desc->dev);
|
|
return(-1);
|
|
found:
|
|
if(pide->boot_ind!=0x88) {
|
|
if(verb)
|
|
printf ("** Partition %d is not bootable on device %d **\n",
|
|
part_num,dev_desc->dev);
|
|
return (-1);
|
|
}
|
|
switch(pide->boot_media) {
|
|
case 0x00: /* no emulation */
|
|
info->size=le16_to_int(pide->sec_cnt)>>2;
|
|
break;
|
|
case 0x01: info->size=2400>>2; break; /* 1.2MByte Floppy */
|
|
case 0x02: info->size=2880>>2; break; /* 1.44MByte Floppy */
|
|
case 0x03: info->size=5760>>2; break; /* 2.88MByte Floppy */
|
|
case 0x04: info->size=2880>>2; break; /* dummy (HD Emulation) */
|
|
default: info->size=0; break;
|
|
}
|
|
newblkaddr=le32_to_int(pide->rel_block_addr);
|
|
info->start=newblkaddr;
|
|
PRINTF(" part %d found @ %lx size %lx\n",part_num,newblkaddr,info->size);
|
|
return 0;
|
|
}
|
|
|
|
int get_partition_info_iso(block_dev_desc_t * dev_desc, int part_num, disk_partition_t * info)
|
|
{
|
|
return(get_partition_info_iso_verb(dev_desc, part_num, info, 1));
|
|
}
|
|
|
|
|
|
void print_part_iso(block_dev_desc_t * dev_desc)
|
|
{
|
|
disk_partition_t info;
|
|
int i;
|
|
if(get_partition_info_iso_verb(dev_desc,0,&info,0)==-1) {
|
|
printf("** No boot partition found on device %d **\n",dev_desc->dev);
|
|
return;
|
|
}
|
|
printf("Part Start Sect x Size Type\n");
|
|
i=0;
|
|
do {
|
|
printf(" %2d " LBAFU " " LBAFU " %6ld %.32s\n",
|
|
i, info.start, info.size, info.blksz, info.type);
|
|
i++;
|
|
} while (get_partition_info_iso_verb(dev_desc,i,&info,0)!=-1);
|
|
}
|
|
|
|
int test_part_iso (block_dev_desc_t *dev_desc)
|
|
{
|
|
disk_partition_t info;
|
|
|
|
return(get_partition_info_iso_verb(dev_desc,0,&info,0));
|
|
}
|
|
|
|
#endif
|
|
|