diff options
Diffstat (limited to 'common/cmd_scsi.c')
| -rw-r--r-- | common/cmd_scsi.c | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c index 2da9ac9..062b1c9 100644 --- a/common/cmd_scsi.c +++ b/common/cmd_scsi.c @@ -27,7 +27,6 @@ /* * SCSI support. */ - #include <common.h> #include <command.h> #include <asm/processor.h> @@ -35,15 +34,6 @@ #include <image.h> #include <pci.h> - -#undef SCSI_DEBUG - -#ifdef SCSI_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - #if (CONFIG_COMMANDS & CFG_CMD_SCSI) #ifdef CONFIG_SCSI_SYM53C8XX @@ -120,7 +110,7 @@ void scsi_scan(int mode) scsi_setup_inquiry(pccb); if(scsi_exec(pccb)!=TRUE) { if(pccb->contr_stat==SCSI_SEL_TIME_OUT) { - PRINTF("Selection timeout ID %d\n",pccb->target); + debug ("Selection timeout ID %d\n",pccb->target); continue; /* selection timeout => assuming no device present */ } scsi_print_error(pccb); @@ -211,8 +201,7 @@ int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) char *boot_device = NULL; char *ep; int dev, part = 0; - ulong cnt; - ulong addr; + ulong addr, cnt, checksum; disk_partition_t info; image_header_t *hdr; int rcode = 0; @@ -270,7 +259,7 @@ int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) "Name: %.32s Type: %.32s\n", dev, part, info.name, info.type); - PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", + debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", info.start, info.size, info.blksz); if (scsi_read (dev, info.start, 1, (ulong *)addr) != 1) { @@ -281,17 +270,24 @@ int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) hdr = (image_header_t *)addr; if (hdr->ih_magic == IH_MAGIC) { - - print_image_hdr (hdr); - cnt = (hdr->ih_size + sizeof(image_header_t)); - cnt += info.blksz - 1; - cnt /= info.blksz; - cnt -= 1; - } else { printf("\n** Bad Magic Number **\n"); return 1; } + checksum = ntohl(hdr->ih_hcrc); + hdr->ih_hcrc = 0; + + if (crc32 (0, (char *)hdr, sizeof(image_header_t)) != checksum) { + puts ("\n** Bad Header Checksum **\n"); + return 1; + } + + print_image_hdr (hdr); + cnt = (hdr->ih_size + sizeof(image_header_t)); + cnt += info.blksz - 1; + cnt /= info.blksz; + cnt -= 1; + if (scsi_read (dev, info.start+1, cnt, (ulong *)(addr+info.blksz)) != cnt) { printf ("** Read error on %d:%d\n", dev, part); @@ -359,7 +355,7 @@ int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) ok++; if (dev) printf("\n"); - PRINTF("print_part of %x\n",dev); + debug ("print_part of %x\n",dev); print_part(&scsi_dev_desc[dev]); } } @@ -435,7 +431,7 @@ ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *buffer) buf_addr=(unsigned long)buffer; start=blknr; blks=blkcnt; - PRINTF("\nscsi_read: dev %d startblk %lx, blccnt %lx buffer %lx\n",device,start,blks,(unsigned long)buffer); + debug ("\nscsi_read: dev %d startblk %lx, blccnt %lx buffer %lx\n",device,start,blks,(unsigned long)buffer); do { pccb->pdata=(unsigned char *)buf_addr; if(blks>SCSI_MAX_READ_BLK) { @@ -452,7 +448,7 @@ ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *buffer) start+=blks; blks=0; } - PRINTF("scsi_read_ext: startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); + debug ("scsi_read_ext: startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); if(scsi_exec(pccb)!=TRUE) { scsi_print_error(pccb); blkcnt-=blks; @@ -460,7 +456,7 @@ ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *buffer) } buf_addr+=pccb->datalen; } while(blks!=0); - PRINTF("scsi_read_ext: end startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); + debug ("scsi_read_ext: end startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); return(blkcnt); } @@ -551,7 +547,7 @@ void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks) pccb->cmd[6]=0; pccb->cmdlen=10; pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ - PRINTF("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", + debug ("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", pccb->cmd[0],pccb->cmd[1], pccb->cmd[2],pccb->cmd[3],pccb->cmd[4],pccb->cmd[5], pccb->cmd[7],pccb->cmd[8]); @@ -567,7 +563,7 @@ void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks) pccb->cmd[5]=0; pccb->cmdlen=6; pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ - PRINTF("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n", + debug ("scsi_setup_read6: cmd: %02X %02X startblk %02X%02X blccnt %02X\n", pccb->cmd[0],pccb->cmd[1], pccb->cmd[2],pccb->cmd[3],pccb->cmd[4]); } |