void scsi_init(void)
{
/*
* Find a device from the list, this driver will support a single
* controller.
*/
#ifdef CONFIG_SCSI_6820
board_ahci_init();
#endif
#if defined CONFIG_SCSI_MV94XX
int busdevfunc;
if ((busdevfunc = pci_find_devices (mv94xx_pci_ids, 0)) < 0) {
printf("MV94XX controller not present\n");
return;
}
if (scsi_curr_dev == -1)
scsi_low_level_init(busdevfunc);
else
scsi_bus_reset(); /*mult-time "scsi init", no need re-assign resource"*/
#else
int i, busdevfunc, index = 0;
for (;;) {
busdevfunc = pci_find_devices(scsi_device_list, index);
if (busdevfunc == -1) {
if (index == 0) {
printf("Error: SCSI Controller(s) ");
for (i = 0; i < ARRAY_SIZE(scsi_device_list) - 1; i++) {
printf("%04X:%04X ",
scsi_device_list[i].vendor,
scsi_device_list[i].device);
}
printf("not found\n");
}
break;
}
#ifdef DEBUG
else {
printf("SCSI Controller found (%d:%d:%d)\n",
(busdevfunc >> 16) & 0xFF,
(busdevfunc >> 11) & 0x1F,
(busdevfunc >> 8) & 0x7);
}
#endif
scsi_low_level_init(busdevfunc);
index++;
}
#endif
scsi_scan(1);
}
/*********************************************************************************
* scsi command intepreter
*/
int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
switch (argc) {
case 0:
case 1:
return CMD_RET_USAGE;
case 2:
if (strncmp(argv[1],"res",3) == 0) {
printf("\nReset SCSI\n");
scsi_bus_reset();
scsi_scan(1);
return 0;
}
if (strncmp(argv[1],"inf",3) == 0) {
int i;
for (i=0; i<CONFIG_SYS_SCSI_MAX_DEVICE; ++i) {
if(scsi_dev_desc[i].type==DEV_TYPE_UNKNOWN)
continue; /* list only known devices */
printf ("SCSI dev. %d: ", i);
dev_print(&scsi_dev_desc[i]);
}
return 0;
}
if (strncmp(argv[1],"dev",3) == 0) {
if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CONFIG_SYS_SCSI_MAX_DEVICE)) {
printf("\nno SCSI devices available\n");
return 1;
}
printf ("\n Device %d: ", scsi_curr_dev);
dev_print(&scsi_dev_desc[scsi_curr_dev]);
return 0;
}
if (strncmp(argv[1],"scan",4) == 0) {
scsi_scan(1);
return 0;
}
if (strncmp(argv[1],"part",4) == 0) {
int dev, ok;
for (ok=0, dev=0; dev<CONFIG_SYS_SCSI_MAX_DEVICE; ++dev) {
if (scsi_dev_desc[dev].type!=DEV_TYPE_UNKNOWN) {
ok++;
if (dev)
printf("\n");
debug ("print_part of %x\n",dev);
print_part(&scsi_dev_desc[dev]);
}
}
if (!ok)
printf("\nno SCSI devices available\n");
return 1;
}
return CMD_RET_USAGE;
case 3:
if (strncmp(argv[1],"dev",3) == 0) {
int dev = (int)simple_strtoul(argv[2], NULL, 10);
printf ("\nSCSI device %d: ", dev);
if (dev >= CONFIG_SYS_SCSI_MAX_DEVICE) {
printf("unknown device\n");
return 1;
}
printf ("\n Device %d: ", dev);
dev_print(&scsi_dev_desc[dev]);
if(scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
return 1;
}
scsi_curr_dev = dev;
printf("... is now current device\n");
return 0;
}
if (strncmp(argv[1],"part",4) == 0) {
int dev = (int)simple_strtoul(argv[2], NULL, 10);
if(scsi_dev_desc[dev].type != DEV_TYPE_UNKNOWN) {
print_part(&scsi_dev_desc[dev]);
}
else {
printf ("\nSCSI device %d not available\n", dev);
}
return 1;
}
return CMD_RET_USAGE;
default:
/* at least 4 args */
if (strcmp(argv[1],"read") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong blk = simple_strtoul(argv[3], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
printf ("\nSCSI read: device %d block # %ld, count %ld ... ",
scsi_curr_dev, blk, cnt);
n = scsi_read(scsi_curr_dev, blk, cnt, (ulong *)addr);
printf ("%ld blocks read: %s\n",n,(n==cnt) ? "OK" : "ERROR");
return 0;
} else if (strcmp(argv[1], "write") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong blk = simple_strtoul(argv[3], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
printf("\nSCSI write: device %d block # %ld, "
"count %ld ... ",
scsi_curr_dev, blk, cnt);
n = scsi_write(scsi_curr_dev, blk, cnt,
(ulong *)addr);
printf("%ld blocks written: %s\n", n,
(n == cnt) ? "OK" : "ERROR");
return 0;
}
} /* switch */
return CMD_RET_USAGE;
}