mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-25 21:24:21 +08:00
598 lines
16 KiB
C
598 lines
16 KiB
C
/*
|
|
* (C) Copyright 2001
|
|
* Denis Peter, MPL AG Switzerland
|
|
*
|
|
* 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
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* SCSI support.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <cmd_boot.h>
|
|
#include <asm/processor.h>
|
|
#include <scsi.h>
|
|
#include <image.h>
|
|
#include <cmd_disk.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
|
|
#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
|
|
#else
|
|
#error CONFIG_SCSI_SYM53C8XX must be defined
|
|
#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[CFG_SCSI_MAX_DEVICE];
|
|
|
|
/********************************************************************************
|
|
* forward declerations of some Setup Routines
|
|
*/
|
|
void scsi_setup_test_unit_ready(ccb * pccb);
|
|
void scsi_setup_read_capacity(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);
|
|
void scsi_setup_inquiry(ccb * pccb);
|
|
void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
|
|
|
|
|
|
ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *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;
|
|
unsigned long capacity,blksz;
|
|
ccb* pccb=(ccb *)&tempccb;
|
|
|
|
if(mode==1) {
|
|
printf("scanning bus for devices...\n");
|
|
}
|
|
for(i=0;i<CFG_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].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_max_devs=0;
|
|
for(i=0;i<CFG_SCSI_MAX_SCSI_ID;i++) {
|
|
pccb->target=i;
|
|
for(lun=0;lun<CFG_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) {
|
|
PRINTF("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(&scsi_dev_desc[scsi_max_devs].vendor[0],&tempbuff[8],8);
|
|
scsi_ident_cpy(&scsi_dev_desc[scsi_max_devs].product[0],&tempbuff[16],16);
|
|
scsi_ident_cpy(&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;
|
|
}
|
|
pccb->datalen=8;
|
|
scsi_setup_read_capacity(pccb);
|
|
if(scsi_exec(pccb)!=TRUE) {
|
|
scsi_print_error(pccb);
|
|
continue;
|
|
}
|
|
capacity=((unsigned long)tempbuff[0]<<24)|((unsigned long)tempbuff[1]<<16)|
|
|
((unsigned long)tempbuff[2]<<8)|((unsigned long)tempbuff[3]);
|
|
blksz=((unsigned long)tempbuff[4]<<24)|((unsigned long)tempbuff[5]<<16)|
|
|
((unsigned long)tempbuff[6]<<8)|((unsigned long)tempbuff[7]);
|
|
scsi_dev_desc[scsi_max_devs].lba=capacity;
|
|
scsi_dev_desc[scsi_max_devs].blksz=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;
|
|
}
|
|
|
|
|
|
|
|
void scsi_init(void)
|
|
{
|
|
int busdevfunc;
|
|
|
|
busdevfunc=pci_find_device(SCSI_VEND_ID,SCSI_DEV_ID,0); /* get PCI Device ID */
|
|
if(busdevfunc==-1) {
|
|
printf("Error SCSI Controller (%04X,%04X) not found\n",SCSI_VEND_ID,SCSI_DEV_ID);
|
|
return;
|
|
}
|
|
#ifdef DEBUG
|
|
else {
|
|
printf("SCSI Controller (%04X,%04X) found (%d:%d:%d)\n",SCSI_VEND_ID,SCSI_DEV_ID,(busdevfunc>>16)&0xFF,(busdevfunc>>11)&0x1F,(busdevfunc>>8)&0x7);
|
|
}
|
|
#endif
|
|
scsi_low_level_init(busdevfunc);
|
|
scsi_scan(1);
|
|
}
|
|
|
|
block_dev_desc_t * scsi_get_dev(int dev)
|
|
{
|
|
return((block_dev_desc_t *)&scsi_dev_desc[dev]);
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
* scsi boot command intepreter. Derived from diskboot
|
|
*/
|
|
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;
|
|
disk_partition_t info;
|
|
image_header_t *hdr;
|
|
int rcode = 0;
|
|
|
|
switch (argc) {
|
|
case 1:
|
|
addr = CFG_LOAD_ADDR;
|
|
boot_device = getenv ("bootdevice");
|
|
break;
|
|
case 2:
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
boot_device = getenv ("bootdevice");
|
|
break;
|
|
case 3:
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
boot_device = argv[2];
|
|
break;
|
|
default:
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
if (!boot_device) {
|
|
puts ("\n** No boot device **\n");
|
|
return 1;
|
|
}
|
|
|
|
dev = simple_strtoul(boot_device, &ep, 16);
|
|
printf("booting from dev %d\n",dev);
|
|
if (scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
|
|
printf ("\n** Device %d not available\n", dev);
|
|
return 1;
|
|
}
|
|
|
|
if (*ep) {
|
|
if (*ep != ':') {
|
|
puts ("\n** Invalid boot device, use `dev[:part]' **\n");
|
|
return 1;
|
|
}
|
|
part = simple_strtoul(++ep, NULL, 16);
|
|
}
|
|
if (get_partition_info (&scsi_dev_desc[dev], part, &info)) {
|
|
printf("error reading partinfo\n");
|
|
return 1;
|
|
}
|
|
if (strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
|
|
printf ("\n** Invalid partition type \"%.32s\""
|
|
" (expect \"" BOOT_PART_TYPE "\")\n",
|
|
info.type);
|
|
return 1;
|
|
}
|
|
|
|
printf ("\nLoading from SCSI device %d, partition %d: "
|
|
"Name: %.32s Type: %.32s\n",
|
|
dev, part, info.name, info.type);
|
|
|
|
PRINTF ("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) {
|
|
printf ("** Read error on %d:%d\n", dev, part);
|
|
return 1;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (scsi_read (dev, info.start+1, cnt,
|
|
(ulong *)(addr+info.blksz)) != cnt) {
|
|
printf ("** Read error on %d:%d\n", dev, part);
|
|
return 1;
|
|
}
|
|
/* Loading ok, update default load address */
|
|
load_addr = addr;
|
|
|
|
flush_cache (addr, (cnt+1)*info.blksz);
|
|
|
|
/* Check if we should attempt an auto-start */
|
|
if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
|
|
char *local_args[2];
|
|
extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
|
|
local_args[0] = argv[0];
|
|
local_args[1] = NULL;
|
|
printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
|
|
rcode = do_bootm (cmdtp, 0, 1, local_args);
|
|
}
|
|
return rcode;
|
|
}
|
|
|
|
/*********************************************************************************
|
|
* scsi command intepreter
|
|
*/
|
|
int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
switch (argc) {
|
|
case 0:
|
|
case 1: printf ("Usage:\n%s\n", cmdtp->usage); return 1;
|
|
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<CFG_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 >= CFG_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<CFG_SCSI_MAX_DEVICE; ++dev) {
|
|
if (scsi_dev_desc[dev].type!=DEV_TYPE_UNKNOWN) {
|
|
ok++;
|
|
if (dev)
|
|
printf("\n");
|
|
PRINTF("print_part of %x\n",dev);
|
|
print_part(&scsi_dev_desc[dev]);
|
|
}
|
|
}
|
|
if (!ok)
|
|
printf("\nno SCSI devices available\n");
|
|
return 1;
|
|
}
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
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 >= CFG_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;
|
|
}
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
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;
|
|
}
|
|
} /* switch */
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
/****************************************************************************************
|
|
* scsi_read
|
|
*/
|
|
|
|
#define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */
|
|
|
|
ulong scsi_read(int device, ulong blknr, ulong blkcnt, ulong *buffer)
|
|
{
|
|
ulong start,blks, 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;
|
|
PRINTF("\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) {
|
|
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;
|
|
}
|
|
PRINTF("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;
|
|
break;
|
|
}
|
|
buf_addr+=pccb->datalen;
|
|
} while(blks!=0);
|
|
PRINTF("scsi_read_ext: end startblk %lx, blccnt %x buffer %lx\n",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;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/************************************************************************************
|
|
* 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_capacity(ccb * pccb)
|
|
{
|
|
pccb->cmd[0]=SCSI_RD_CAPAC;
|
|
pccb->cmd[1]=pccb->lun<<5;
|
|
pccb->cmd[2]=0;
|
|
pccb->cmd[3]=0;
|
|
pccb->cmd[4]=0;
|
|
pccb->cmd[5]=0;
|
|
pccb->cmd[6]=0;
|
|
pccb->cmd[7]=0;
|
|
pccb->cmd[8]=0;
|
|
pccb->cmd[9]=0;
|
|
pccb->cmdlen=10;
|
|
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 */
|
|
PRINTF("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_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 */
|
|
PRINTF("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 */
|
|
}
|
|
|
|
#endif /* #if (CONFIG_COMMANDS & CFG_CMD_SCSI) */
|
|
|
|
|