672 lines
18 KiB
C
672 lines
18 KiB
C
/*
|
|
* (C) Copyright 2001
|
|
* Denis Peter, MPL AG Switzerland
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/*
|
|
* SCSI support.
|
|
*/
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <inttypes.h>
|
|
#include <asm/processor.h>
|
|
#include <scsi.h>
|
|
#include <image.h>
|
|
#include <pci.h>
|
|
|
|
#ifdef CONFIG_SCSI_DEV_LIST
|
|
#define SCSI_DEV_LIST CONFIG_SCSI_DEV_LIST
|
|
#else
|
|
#ifdef CONFIG_SCSI_SYM53C8XX
|
|
#define SCSI_VEND_ID 0x1000
|
|
#ifndef CONFIG_SCSI_DEV_ID
|
|
#define SCSI_DEV_ID 0x0001
|
|
#else
|
|
#define SCSI_DEV_ID CONFIG_SCSI_DEV_ID
|
|
#endif
|
|
#elif defined CONFIG_SATA_ULI5288
|
|
|
|
#define SCSI_VEND_ID 0x10b9
|
|
#define SCSI_DEV_ID 0x5288
|
|
|
|
#elif !defined(CONFIG_SCSI_AHCI_PLAT)
|
|
#error no scsi device defined
|
|
#endif
|
|
#define SCSI_DEV_LIST {SCSI_VEND_ID, SCSI_DEV_ID}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PCI
|
|
const struct pci_device_id scsi_device_list[] = { SCSI_DEV_LIST };
|
|
#endif
|
|
static ccb tempccb; /* temporary scsi command buffer */
|
|
|
|
static unsigned char tempbuff[512]; /* temporary data buffer */
|
|
|
|
static int scsi_max_devs; /* number of highest available scsi device */
|
|
|
|
static int scsi_curr_dev; /* current device */
|
|
|
|
static block_dev_desc_t scsi_dev_desc[CONFIG_SYS_SCSI_MAX_DEVICE];
|
|
|
|
/********************************************************************************
|
|
* forward declerations of some Setup Routines
|
|
*/
|
|
void scsi_setup_test_unit_ready(ccb * pccb);
|
|
void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks);
|
|
void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks);
|
|
static void scsi_setup_write_ext(ccb *pccb, unsigned long start,
|
|
unsigned short blocks);
|
|
void scsi_setup_inquiry(ccb * pccb);
|
|
void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
|
|
|
|
|
|
static int scsi_read_capacity(ccb *pccb, lbaint_t *capacity,
|
|
unsigned long *blksz);
|
|
static ulong scsi_read(int device, lbaint_t blknr, lbaint_t blkcnt,
|
|
void *buffer);
|
|
static ulong scsi_write(int device, lbaint_t blknr,
|
|
lbaint_t blkcnt, const void *buffer);
|
|
|
|
|
|
/*********************************************************************************
|
|
* (re)-scan the scsi bus and reports scsi device info
|
|
* to the user if mode = 1
|
|
*/
|
|
void scsi_scan(int mode)
|
|
{
|
|
unsigned char i,perq,modi,lun;
|
|
lbaint_t capacity;
|
|
unsigned long blksz;
|
|
ccb* pccb=(ccb *)&tempccb;
|
|
|
|
if(mode==1) {
|
|
printf("scanning bus for devices...\n");
|
|
}
|
|
for(i=0;i<CONFIG_SYS_SCSI_MAX_DEVICE;i++) {
|
|
scsi_dev_desc[i].target=0xff;
|
|
scsi_dev_desc[i].lun=0xff;
|
|
scsi_dev_desc[i].lba=0;
|
|
scsi_dev_desc[i].blksz=0;
|
|
scsi_dev_desc[i].log2blksz =
|
|
LOG2_INVALID(typeof(scsi_dev_desc[i].log2blksz));
|
|
scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN;
|
|
scsi_dev_desc[i].vendor[0]=0;
|
|
scsi_dev_desc[i].product[0]=0;
|
|
scsi_dev_desc[i].revision[0]=0;
|
|
scsi_dev_desc[i].removable = false;
|
|
scsi_dev_desc[i].if_type=IF_TYPE_SCSI;
|
|
scsi_dev_desc[i].dev=i;
|
|
scsi_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
|
|
scsi_dev_desc[i].block_read=scsi_read;
|
|
scsi_dev_desc[i].block_write = scsi_write;
|
|
}
|
|
scsi_max_devs=0;
|
|
for(i=0;i<CONFIG_SYS_SCSI_MAX_SCSI_ID;i++) {
|
|
pccb->target=i;
|
|
for(lun=0;lun<CONFIG_SYS_SCSI_MAX_LUN;lun++) {
|
|
pccb->lun=lun;
|
|
pccb->pdata=(unsigned char *)&tempbuff;
|
|
pccb->datalen=512;
|
|
scsi_setup_inquiry(pccb);
|
|
if (scsi_exec(pccb) != true) {
|
|
if(pccb->contr_stat==SCSI_SEL_TIME_OUT) {
|
|
debug ("Selection timeout ID %d\n",pccb->target);
|
|
continue; /* selection timeout => assuming no device present */
|
|
}
|
|
scsi_print_error(pccb);
|
|
continue;
|
|
}
|
|
perq=tempbuff[0];
|
|
modi=tempbuff[1];
|
|
if((perq & 0x1f)==0x1f) {
|
|
continue; /* skip unknown devices */
|
|
}
|
|
if((modi&0x80)==0x80) /* drive is removable */
|
|
scsi_dev_desc[scsi_max_devs].removable=true;
|
|
/* get info for this device */
|
|
scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].vendor[0],
|
|
&tempbuff[8], 8);
|
|
scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].product[0],
|
|
&tempbuff[16], 16);
|
|
scsi_ident_cpy((unsigned char *)&scsi_dev_desc[scsi_max_devs].revision[0],
|
|
&tempbuff[32], 4);
|
|
scsi_dev_desc[scsi_max_devs].target=pccb->target;
|
|
scsi_dev_desc[scsi_max_devs].lun=pccb->lun;
|
|
|
|
pccb->datalen=0;
|
|
scsi_setup_test_unit_ready(pccb);
|
|
if (scsi_exec(pccb) != true) {
|
|
if (scsi_dev_desc[scsi_max_devs].removable == true) {
|
|
scsi_dev_desc[scsi_max_devs].type=perq;
|
|
goto removable;
|
|
}
|
|
scsi_print_error(pccb);
|
|
continue;
|
|
}
|
|
if (scsi_read_capacity(pccb, &capacity, &blksz)) {
|
|
scsi_print_error(pccb);
|
|
continue;
|
|
}
|
|
scsi_dev_desc[scsi_max_devs].lba=capacity;
|
|
scsi_dev_desc[scsi_max_devs].blksz=blksz;
|
|
scsi_dev_desc[scsi_max_devs].log2blksz =
|
|
LOG2(scsi_dev_desc[scsi_max_devs].blksz);
|
|
scsi_dev_desc[scsi_max_devs].type=perq;
|
|
init_part(&scsi_dev_desc[scsi_max_devs]);
|
|
removable:
|
|
if(mode==1) {
|
|
printf (" Device %d: ", scsi_max_devs);
|
|
dev_print(&scsi_dev_desc[scsi_max_devs]);
|
|
} /* if mode */
|
|
scsi_max_devs++;
|
|
} /* next LUN */
|
|
}
|
|
if(scsi_max_devs>0)
|
|
scsi_curr_dev=0;
|
|
else
|
|
scsi_curr_dev = -1;
|
|
|
|
printf("Found %d device(s).\n", scsi_max_devs);
|
|
#ifndef CONFIG_SPL_BUILD
|
|
setenv_ulong("scsidevs", scsi_max_devs);
|
|
#endif
|
|
}
|
|
|
|
int scsi_get_disk_count(void)
|
|
{
|
|
return scsi_max_devs;
|
|
}
|
|
|
|
#ifdef CONFIG_PCI
|
|
void scsi_init(void)
|
|
{
|
|
int busdevfunc;
|
|
int i;
|
|
/*
|
|
* Find a device from the list, this driver will support a single
|
|
* controller.
|
|
*/
|
|
for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) {
|
|
/* get PCI Device ID */
|
|
busdevfunc = pci_find_device(scsi_device_list[i].vendor,
|
|
scsi_device_list[i].device,
|
|
0);
|
|
if (busdevfunc != -1)
|
|
break;
|
|
}
|
|
|
|
if (busdevfunc == -1) {
|
|
printf("Error: SCSI Controller(s) ");
|
|
for (i = 0; i < ARRAY_SIZE(scsi_device_list); i++) {
|
|
printf("%04X:%04X ",
|
|
scsi_device_list[i].vendor,
|
|
scsi_device_list[i].device);
|
|
}
|
|
printf("not found\n");
|
|
return;
|
|
}
|
|
#ifdef DEBUG
|
|
else {
|
|
printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n",
|
|
scsi_device_list[i].vendor,
|
|
scsi_device_list[i].device,
|
|
(busdevfunc >> 16) & 0xFF,
|
|
(busdevfunc >> 11) & 0x1F,
|
|
(busdevfunc >> 8) & 0x7);
|
|
}
|
|
#endif
|
|
scsi_low_level_init(busdevfunc);
|
|
scsi_scan(1);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PARTITIONS
|
|
block_dev_desc_t * scsi_get_dev(int dev)
|
|
{
|
|
return (dev < CONFIG_SYS_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL;
|
|
}
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* scsi boot command intepreter. Derived from diskboot
|
|
*/
|
|
int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
return common_diskboot(cmdtp, "scsi", argc, argv);
|
|
}
|
|
|
|
/*********************************************************************************
|
|
* 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;
|
|
}
|
|
|
|
/****************************************************************************************
|
|
* scsi_read
|
|
*/
|
|
|
|
#define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */
|
|
|
|
static ulong scsi_read(int device, lbaint_t blknr, lbaint_t blkcnt,
|
|
void *buffer)
|
|
{
|
|
lbaint_t start, blks;
|
|
uintptr_t buf_addr;
|
|
unsigned short smallblks;
|
|
ccb* pccb=(ccb *)&tempccb;
|
|
device&=0xff;
|
|
/* Setup device
|
|
*/
|
|
pccb->target=scsi_dev_desc[device].target;
|
|
pccb->lun=scsi_dev_desc[device].lun;
|
|
buf_addr=(unsigned long)buffer;
|
|
start=blknr;
|
|
blks=blkcnt;
|
|
debug("\nscsi_read: dev %d startblk " LBAF
|
|
", blccnt " LBAF " buffer %lx\n",
|
|
device, start, blks, (unsigned long)buffer);
|
|
do {
|
|
pccb->pdata=(unsigned char *)buf_addr;
|
|
if(blks>SCSI_MAX_READ_BLK) {
|
|
pccb->datalen=scsi_dev_desc[device].blksz * SCSI_MAX_READ_BLK;
|
|
smallblks=SCSI_MAX_READ_BLK;
|
|
scsi_setup_read_ext(pccb,start,smallblks);
|
|
start+=SCSI_MAX_READ_BLK;
|
|
blks-=SCSI_MAX_READ_BLK;
|
|
}
|
|
else {
|
|
pccb->datalen=scsi_dev_desc[device].blksz * blks;
|
|
smallblks=(unsigned short) blks;
|
|
scsi_setup_read_ext(pccb,start,smallblks);
|
|
start+=blks;
|
|
blks=0;
|
|
}
|
|
debug("scsi_read_ext: startblk " LBAF
|
|
", blccnt %x buffer %" PRIXPTR "\n",
|
|
start, smallblks, buf_addr);
|
|
if (scsi_exec(pccb) != true) {
|
|
scsi_print_error(pccb);
|
|
blkcnt-=blks;
|
|
break;
|
|
}
|
|
buf_addr+=pccb->datalen;
|
|
} while(blks!=0);
|
|
debug("scsi_read_ext: end startblk " LBAF
|
|
", blccnt %x buffer %" PRIXPTR "\n", start, smallblks, buf_addr);
|
|
return(blkcnt);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
* scsi_write
|
|
*/
|
|
|
|
/* Almost the maximum amount of the scsi_ext command.. */
|
|
#define SCSI_MAX_WRITE_BLK 0xFFFF
|
|
|
|
static ulong scsi_write(int device, lbaint_t blknr,
|
|
lbaint_t blkcnt, const void *buffer)
|
|
{
|
|
lbaint_t start, blks;
|
|
uintptr_t buf_addr;
|
|
unsigned short smallblks;
|
|
ccb* pccb = (ccb *)&tempccb;
|
|
device &= 0xff;
|
|
/* Setup device
|
|
*/
|
|
pccb->target = scsi_dev_desc[device].target;
|
|
pccb->lun = scsi_dev_desc[device].lun;
|
|
buf_addr = (unsigned long)buffer;
|
|
start = blknr;
|
|
blks = blkcnt;
|
|
debug("\n%s: dev %d startblk " LBAF ", blccnt " LBAF " buffer %lx\n",
|
|
__func__, device, start, blks, (unsigned long)buffer);
|
|
do {
|
|
pccb->pdata = (unsigned char *)buf_addr;
|
|
if (blks > SCSI_MAX_WRITE_BLK) {
|
|
pccb->datalen = (scsi_dev_desc[device].blksz *
|
|
SCSI_MAX_WRITE_BLK);
|
|
smallblks = SCSI_MAX_WRITE_BLK;
|
|
scsi_setup_write_ext(pccb, start, smallblks);
|
|
start += SCSI_MAX_WRITE_BLK;
|
|
blks -= SCSI_MAX_WRITE_BLK;
|
|
} else {
|
|
pccb->datalen = scsi_dev_desc[device].blksz * blks;
|
|
smallblks = (unsigned short)blks;
|
|
scsi_setup_write_ext(pccb, start, smallblks);
|
|
start += blks;
|
|
blks = 0;
|
|
}
|
|
debug("%s: startblk " LBAF ", blccnt %x buffer %" PRIXPTR "\n",
|
|
__func__, start, smallblks, buf_addr);
|
|
if (scsi_exec(pccb) != true) {
|
|
scsi_print_error(pccb);
|
|
blkcnt -= blks;
|
|
break;
|
|
}
|
|
buf_addr += pccb->datalen;
|
|
} while (blks != 0);
|
|
debug("%s: end startblk " LBAF ", blccnt %x buffer %" PRIXPTR "\n",
|
|
__func__, start, smallblks, buf_addr);
|
|
return blkcnt;
|
|
}
|
|
|
|
/* copy src to dest, skipping leading and trailing blanks
|
|
* and null terminate the string
|
|
*/
|
|
void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
|
|
{
|
|
int start,end;
|
|
|
|
start=0;
|
|
while(start<len) {
|
|
if(src[start]!=' ')
|
|
break;
|
|
start++;
|
|
}
|
|
end=len-1;
|
|
while(end>start) {
|
|
if(src[end]!=' ')
|
|
break;
|
|
end--;
|
|
}
|
|
for( ; start<=end; start++) {
|
|
*dest++=src[start];
|
|
}
|
|
*dest='\0';
|
|
}
|
|
|
|
|
|
/* Trim trailing blanks, and NUL-terminate string
|
|
*/
|
|
void scsi_trim_trail (unsigned char *str, unsigned int len)
|
|
{
|
|
unsigned char *p = str + len - 1;
|
|
|
|
while (len-- > 0) {
|
|
*p-- = '\0';
|
|
if (*p != ' ') {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, unsigned long *blksz)
|
|
{
|
|
*capacity = 0;
|
|
|
|
memset(pccb->cmd, 0, sizeof(pccb->cmd));
|
|
pccb->cmd[0] = SCSI_RD_CAPAC10;
|
|
pccb->cmd[1] = pccb->lun << 5;
|
|
pccb->cmdlen = 10;
|
|
pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
|
|
|
|
pccb->datalen = 8;
|
|
if (scsi_exec(pccb) != true)
|
|
return 1;
|
|
|
|
*capacity = ((lbaint_t)pccb->pdata[0] << 24) |
|
|
((lbaint_t)pccb->pdata[1] << 16) |
|
|
((lbaint_t)pccb->pdata[2] << 8) |
|
|
((lbaint_t)pccb->pdata[3]);
|
|
|
|
if (*capacity != 0xffffffff) {
|
|
/* Read capacity (10) was sufficient for this drive. */
|
|
*blksz = ((unsigned long)pccb->pdata[4] << 24) |
|
|
((unsigned long)pccb->pdata[5] << 16) |
|
|
((unsigned long)pccb->pdata[6] << 8) |
|
|
((unsigned long)pccb->pdata[7]);
|
|
return 0;
|
|
}
|
|
|
|
/* Read capacity (10) was insufficient. Use read capacity (16). */
|
|
|
|
memset(pccb->cmd, 0, sizeof(pccb->cmd));
|
|
pccb->cmd[0] = SCSI_RD_CAPAC16;
|
|
pccb->cmd[1] = 0x10;
|
|
pccb->cmdlen = 16;
|
|
pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
|
|
|
|
pccb->datalen = 16;
|
|
if (scsi_exec(pccb) != true)
|
|
return 1;
|
|
|
|
*capacity = ((uint64_t)pccb->pdata[0] << 56) |
|
|
((uint64_t)pccb->pdata[1] << 48) |
|
|
((uint64_t)pccb->pdata[2] << 40) |
|
|
((uint64_t)pccb->pdata[3] << 32) |
|
|
((uint64_t)pccb->pdata[4] << 24) |
|
|
((uint64_t)pccb->pdata[5] << 16) |
|
|
((uint64_t)pccb->pdata[6] << 8) |
|
|
((uint64_t)pccb->pdata[7]);
|
|
|
|
*blksz = ((uint64_t)pccb->pdata[8] << 56) |
|
|
((uint64_t)pccb->pdata[9] << 48) |
|
|
((uint64_t)pccb->pdata[10] << 40) |
|
|
((uint64_t)pccb->pdata[11] << 32) |
|
|
((uint64_t)pccb->pdata[12] << 24) |
|
|
((uint64_t)pccb->pdata[13] << 16) |
|
|
((uint64_t)pccb->pdata[14] << 8) |
|
|
((uint64_t)pccb->pdata[15]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/************************************************************************************
|
|
* Some setup (fill-in) routines
|
|
*/
|
|
void scsi_setup_test_unit_ready(ccb * pccb)
|
|
{
|
|
pccb->cmd[0]=SCSI_TST_U_RDY;
|
|
pccb->cmd[1]=pccb->lun<<5;
|
|
pccb->cmd[2]=0;
|
|
pccb->cmd[3]=0;
|
|
pccb->cmd[4]=0;
|
|
pccb->cmd[5]=0;
|
|
pccb->cmdlen=6;
|
|
pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
|
|
}
|
|
|
|
void scsi_setup_read_ext(ccb * pccb, unsigned long start, unsigned short blocks)
|
|
{
|
|
pccb->cmd[0]=SCSI_READ10;
|
|
pccb->cmd[1]=pccb->lun<<5;
|
|
pccb->cmd[2]=((unsigned char) (start>>24))&0xff;
|
|
pccb->cmd[3]=((unsigned char) (start>>16))&0xff;
|
|
pccb->cmd[4]=((unsigned char) (start>>8))&0xff;
|
|
pccb->cmd[5]=((unsigned char) (start))&0xff;
|
|
pccb->cmd[6]=0;
|
|
pccb->cmd[7]=((unsigned char) (blocks>>8))&0xff;
|
|
pccb->cmd[8]=(unsigned char) blocks & 0xff;
|
|
pccb->cmd[6]=0;
|
|
pccb->cmdlen=10;
|
|
pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
|
|
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]);
|
|
}
|
|
|
|
void scsi_setup_write_ext(ccb *pccb, unsigned long start, unsigned short blocks)
|
|
{
|
|
pccb->cmd[0] = SCSI_WRITE10;
|
|
pccb->cmd[1] = pccb->lun << 5;
|
|
pccb->cmd[2] = ((unsigned char) (start>>24)) & 0xff;
|
|
pccb->cmd[3] = ((unsigned char) (start>>16)) & 0xff;
|
|
pccb->cmd[4] = ((unsigned char) (start>>8)) & 0xff;
|
|
pccb->cmd[5] = ((unsigned char) (start)) & 0xff;
|
|
pccb->cmd[6] = 0;
|
|
pccb->cmd[7] = ((unsigned char) (blocks>>8)) & 0xff;
|
|
pccb->cmd[8] = (unsigned char)blocks & 0xff;
|
|
pccb->cmd[9] = 0;
|
|
pccb->cmdlen = 10;
|
|
pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
|
|
debug("%s: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n",
|
|
__func__,
|
|
pccb->cmd[0], pccb->cmd[1],
|
|
pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5],
|
|
pccb->cmd[7], pccb->cmd[8]);
|
|
}
|
|
|
|
void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks)
|
|
{
|
|
pccb->cmd[0]=SCSI_READ6;
|
|
pccb->cmd[1]=pccb->lun<<5 | (((unsigned char)(start>>16))&0x1f);
|
|
pccb->cmd[2]=((unsigned char) (start>>8))&0xff;
|
|
pccb->cmd[3]=((unsigned char) (start))&0xff;
|
|
pccb->cmd[4]=(unsigned char) blocks & 0xff;
|
|
pccb->cmd[5]=0;
|
|
pccb->cmdlen=6;
|
|
pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
|
|
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]);
|
|
}
|
|
|
|
|
|
void scsi_setup_inquiry(ccb * pccb)
|
|
{
|
|
pccb->cmd[0]=SCSI_INQUIRY;
|
|
pccb->cmd[1]=pccb->lun<<5;
|
|
pccb->cmd[2]=0;
|
|
pccb->cmd[3]=0;
|
|
if(pccb->datalen>255)
|
|
pccb->cmd[4]=255;
|
|
else
|
|
pccb->cmd[4]=(unsigned char)pccb->datalen;
|
|
pccb->cmd[5]=0;
|
|
pccb->cmdlen=6;
|
|
pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
|
|
}
|
|
|
|
|
|
U_BOOT_CMD(
|
|
scsi, 5, 1, do_scsi,
|
|
"SCSI sub-system",
|
|
"reset - reset SCSI controller\n"
|
|
"scsi info - show available SCSI devices\n"
|
|
"scsi scan - (re-)scan SCSI bus\n"
|
|
"scsi device [dev] - show or set current device\n"
|
|
"scsi part [dev] - print partition table of one or all SCSI devices\n"
|
|
"scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n"
|
|
" to memory address `addr'\n"
|
|
"scsi write addr blk# cnt - write `cnt' blocks starting at block\n"
|
|
" `blk#' from memory address `addr'"
|
|
);
|
|
|
|
U_BOOT_CMD(
|
|
scsiboot, 3, 1, do_scsiboot,
|
|
"boot from SCSI device",
|
|
"loadAddr dev:part"
|
|
);
|