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dm: scsi: Remove the forward declarations

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Reorder the code to avoid needing forward declarations.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2016-05-01 11:35:57 -06:00
parent a31e2c93cb
commit 73a9cfde78
1 changed files with 317 additions and 339 deletions
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656
cmd/scsi.c
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@@ -50,130 +50,230 @@ static int scsi_curr_dev; /* current device */
static struct blk_desc scsi_dev_desc[CONFIG_SYS_SCSI_MAX_DEVICE]; static struct blk_desc scsi_dev_desc[CONFIG_SYS_SCSI_MAX_DEVICE];
/******************************************************************************** /****************************************************************************************
* forward declerations of some Setup Routines * scsi_read
*/ */
void scsi_setup_test_unit_ready(ccb * pccb);
void scsi_setup_read6(ccb * pccb, lbaint_t start, unsigned short blocks);
void scsi_setup_read_ext(ccb * pccb, lbaint_t start, unsigned short blocks);
void scsi_setup_read16(ccb * pccb, lbaint_t start, unsigned long blocks);
static void scsi_setup_write_ext(ccb *pccb, lbaint_t start, /* almost the maximum amount of the scsi_ext command.. */
unsigned short blocks); #define SCSI_MAX_READ_BLK 0xFFFF
void scsi_setup_inquiry(ccb * pccb); #define SCSI_LBA48_READ 0xFFFFFFF
void scsi_ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
#ifdef CONFIG_SYS_64BIT_LBA
static int scsi_read_capacity(ccb *pccb, lbaint_t *capacity, void scsi_setup_read16(ccb * pccb, lbaint_t start, unsigned long blocks)
unsigned long *blksz);
static ulong scsi_read(struct blk_desc *block_dev, lbaint_t blknr,
lbaint_t blkcnt, void *buffer);
static ulong scsi_write(struct blk_desc *block_dev, 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; pccb->cmd[0] = SCSI_READ16;
lbaint_t capacity; pccb->cmd[1] = pccb->lun<<5;
unsigned long blksz; pccb->cmd[2] = ((unsigned char) (start >> 56)) & 0xff;
ccb* pccb=(ccb *)&tempccb; pccb->cmd[3] = ((unsigned char) (start >> 48)) & 0xff;
pccb->cmd[4] = ((unsigned char) (start >> 40)) & 0xff;
if(mode==1) { pccb->cmd[5] = ((unsigned char) (start >> 32)) & 0xff;
printf("scanning bus for devices...\n"); pccb->cmd[6] = ((unsigned char) (start >> 24)) & 0xff;
} pccb->cmd[7] = ((unsigned char) (start >> 16)) & 0xff;
for(i=0;i<CONFIG_SYS_SCSI_MAX_DEVICE;i++) { pccb->cmd[8] = ((unsigned char) (start >> 8)) & 0xff;
scsi_dev_desc[i].target=0xff; pccb->cmd[9] = ((unsigned char) (start)) & 0xff;
scsi_dev_desc[i].lun=0xff; pccb->cmd[10] = 0;
scsi_dev_desc[i].lba=0; pccb->cmd[11] = ((unsigned char) (blocks >> 24)) & 0xff;
scsi_dev_desc[i].blksz=0; pccb->cmd[12] = ((unsigned char) (blocks >> 16)) & 0xff;
scsi_dev_desc[i].log2blksz = pccb->cmd[13] = ((unsigned char) (blocks >> 8)) & 0xff;
LOG2_INVALID(typeof(scsi_dev_desc[i].log2blksz)); pccb->cmd[14] = (unsigned char) blocks & 0xff;
scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN; pccb->cmd[15] = 0;
scsi_dev_desc[i].vendor[0]=0; pccb->cmdlen = 16;
scsi_dev_desc[i].product[0]=0; pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
scsi_dev_desc[i].revision[0]=0; debug ("scsi_setup_read16: cmd: %02X %02X "
scsi_dev_desc[i].removable = false; "startblk %02X%02X%02X%02X%02X%02X%02X%02X "
scsi_dev_desc[i].if_type=IF_TYPE_SCSI; "blccnt %02X%02X%02X%02X\n",
scsi_dev_desc[i].devnum = i; pccb->cmd[0], pccb->cmd[1],
scsi_dev_desc[i].part_type=PART_TYPE_UNKNOWN; pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5],
scsi_dev_desc[i].block_read=scsi_read; pccb->cmd[6], pccb->cmd[7], pccb->cmd[8], pccb->cmd[9],
scsi_dev_desc[i].block_write = scsi_write; pccb->cmd[11], pccb->cmd[12], pccb->cmd[13], pccb->cmd[14]);
} }
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;
part_init(&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 #endif
void scsi_setup_read_ext(ccb * pccb, lbaint_t 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, lbaint_t 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, lbaint_t 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 */
}
static ulong scsi_read(struct blk_desc *block_dev, lbaint_t blknr,
lbaint_t blkcnt, void *buffer)
{
int device = block_dev->devnum;
lbaint_t start, blks;
uintptr_t buf_addr;
unsigned short smallblks = 0;
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;
#ifdef CONFIG_SYS_64BIT_LBA
if (start > SCSI_LBA48_READ) {
unsigned long blocks;
blocks = min_t(lbaint_t, blks, SCSI_MAX_READ_BLK);
pccb->datalen = scsi_dev_desc[device].blksz * blocks;
scsi_setup_read16(pccb, start, blocks);
start += blocks;
blks -= blocks;
} else
#endif
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(struct blk_desc *block_dev, lbaint_t blknr,
lbaint_t blkcnt, const void *buffer)
{
int device = block_dev->devnum;
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;
} }
int scsi_get_disk_count(void) int scsi_get_disk_count(void)
@@ -390,129 +490,6 @@ U_BOOT_CMD(
); );
#endif #endif
/****************************************************************************************
* scsi_read
*/
/* almost the maximum amount of the scsi_ext command.. */
#define SCSI_MAX_READ_BLK 0xFFFF
#define SCSI_LBA48_READ 0xFFFFFFF
static ulong scsi_read(struct blk_desc *block_dev, lbaint_t blknr,
lbaint_t blkcnt, void *buffer)
{
int device = block_dev->devnum;
lbaint_t start, blks;
uintptr_t buf_addr;
unsigned short smallblks = 0;
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;
#ifdef CONFIG_SYS_64BIT_LBA
if (start > SCSI_LBA48_READ) {
unsigned long blocks;
blocks = min_t(lbaint_t, blks, SCSI_MAX_READ_BLK);
pccb->datalen = scsi_dev_desc[device].blksz * blocks;
scsi_setup_read16(pccb, start, blocks);
start += blocks;
blks -= blocks;
} else
#endif
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(struct blk_desc *block_dev, lbaint_t blknr,
lbaint_t blkcnt, const void *buffer)
{
int device = block_dev->devnum;
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 /* copy src to dest, skipping leading and trailing blanks
* and null terminate the string * and null terminate the string
*/ */
@@ -630,105 +607,106 @@ void scsi_setup_test_unit_ready(ccb * pccb)
pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */
} }
#ifdef CONFIG_SYS_64BIT_LBA /*********************************************************************************
void scsi_setup_read16(ccb * pccb, lbaint_t start, unsigned long blocks) * (re)-scan the scsi bus and reports scsi device info
* to the user if mode = 1
*/
void scsi_scan(int mode)
{ {
pccb->cmd[0] = SCSI_READ16; unsigned char i,perq,modi,lun;
pccb->cmd[1] = pccb->lun<<5; lbaint_t capacity;
pccb->cmd[2] = ((unsigned char) (start >> 56)) & 0xff; unsigned long blksz;
pccb->cmd[3] = ((unsigned char) (start >> 48)) & 0xff; ccb* pccb=(ccb *)&tempccb;
pccb->cmd[4] = ((unsigned char) (start >> 40)) & 0xff;
pccb->cmd[5] = ((unsigned char) (start >> 32)) & 0xff;
pccb->cmd[6] = ((unsigned char) (start >> 24)) & 0xff;
pccb->cmd[7] = ((unsigned char) (start >> 16)) & 0xff;
pccb->cmd[8] = ((unsigned char) (start >> 8)) & 0xff;
pccb->cmd[9] = ((unsigned char) (start)) & 0xff;
pccb->cmd[10] = 0;
pccb->cmd[11] = ((unsigned char) (blocks >> 24)) & 0xff;
pccb->cmd[12] = ((unsigned char) (blocks >> 16)) & 0xff;
pccb->cmd[13] = ((unsigned char) (blocks >> 8)) & 0xff;
pccb->cmd[14] = (unsigned char) blocks & 0xff;
pccb->cmd[15] = 0;
pccb->cmdlen = 16;
pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
debug ("scsi_setup_read16: cmd: %02X %02X "
"startblk %02X%02X%02X%02X%02X%02X%02X%02X "
"blccnt %02X%02X%02X%02X\n",
pccb->cmd[0], pccb->cmd[1],
pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5],
pccb->cmd[6], pccb->cmd[7], pccb->cmd[8], pccb->cmd[9],
pccb->cmd[11], pccb->cmd[12], pccb->cmd[13], pccb->cmd[14]);
}
#endif
void scsi_setup_read_ext(ccb * pccb, lbaint_t start, unsigned short blocks) if(mode==1) {
{ printf("scanning bus for devices...\n");
pccb->cmd[0]=SCSI_READ10; }
pccb->cmd[1]=pccb->lun<<5; for(i=0;i<CONFIG_SYS_SCSI_MAX_DEVICE;i++) {
pccb->cmd[2]=((unsigned char) (start>>24))&0xff; scsi_dev_desc[i].target=0xff;
pccb->cmd[3]=((unsigned char) (start>>16))&0xff; scsi_dev_desc[i].lun=0xff;
pccb->cmd[4]=((unsigned char) (start>>8))&0xff; scsi_dev_desc[i].lba=0;
pccb->cmd[5]=((unsigned char) (start))&0xff; scsi_dev_desc[i].blksz=0;
pccb->cmd[6]=0; scsi_dev_desc[i].log2blksz =
pccb->cmd[7]=((unsigned char) (blocks>>8))&0xff; LOG2_INVALID(typeof(scsi_dev_desc[i].log2blksz));
pccb->cmd[8]=(unsigned char) blocks & 0xff; scsi_dev_desc[i].type=DEV_TYPE_UNKNOWN;
pccb->cmd[6]=0; scsi_dev_desc[i].vendor[0]=0;
pccb->cmdlen=10; scsi_dev_desc[i].product[0]=0;
pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ scsi_dev_desc[i].revision[0]=0;
debug ("scsi_setup_read_ext: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", scsi_dev_desc[i].removable = false;
pccb->cmd[0],pccb->cmd[1], scsi_dev_desc[i].if_type=IF_TYPE_SCSI;
pccb->cmd[2],pccb->cmd[3],pccb->cmd[4],pccb->cmd[5], scsi_dev_desc[i].devnum = i;
pccb->cmd[7],pccb->cmd[8]); 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;
void scsi_setup_write_ext(ccb *pccb, lbaint_t start, unsigned short blocks) pccb->datalen=0;
{ scsi_setup_test_unit_ready(pccb);
pccb->cmd[0] = SCSI_WRITE10; if (scsi_exec(pccb) != true) {
pccb->cmd[1] = pccb->lun << 5; if (scsi_dev_desc[scsi_max_devs].removable == true) {
pccb->cmd[2] = ((unsigned char) (start>>24)) & 0xff; scsi_dev_desc[scsi_max_devs].type=perq;
pccb->cmd[3] = ((unsigned char) (start>>16)) & 0xff; goto removable;
pccb->cmd[4] = ((unsigned char) (start>>8)) & 0xff; }
pccb->cmd[5] = ((unsigned char) (start)) & 0xff; scsi_print_error(pccb);
pccb->cmd[6] = 0; continue;
pccb->cmd[7] = ((unsigned char) (blocks>>8)) & 0xff; }
pccb->cmd[8] = (unsigned char)blocks & 0xff; if (scsi_read_capacity(pccb, &capacity, &blksz)) {
pccb->cmd[9] = 0; scsi_print_error(pccb);
pccb->cmdlen = 10; continue;
pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */ }
debug("%s: cmd: %02X %02X startblk %02X%02X%02X%02X blccnt %02X%02X\n", scsi_dev_desc[scsi_max_devs].lba=capacity;
__func__, scsi_dev_desc[scsi_max_devs].blksz=blksz;
pccb->cmd[0], pccb->cmd[1], scsi_dev_desc[scsi_max_devs].log2blksz =
pccb->cmd[2], pccb->cmd[3], pccb->cmd[4], pccb->cmd[5], LOG2(scsi_dev_desc[scsi_max_devs].blksz);
pccb->cmd[7], pccb->cmd[8]); scsi_dev_desc[scsi_max_devs].type=perq;
} part_init(&scsi_dev_desc[scsi_max_devs]);
removable:
void scsi_setup_read6(ccb * pccb, lbaint_t start, unsigned short blocks) if(mode==1) {
{ printf (" Device %d: ", scsi_max_devs);
pccb->cmd[0]=SCSI_READ6; dev_print(&scsi_dev_desc[scsi_max_devs]);
pccb->cmd[1]=pccb->lun<<5 | (((unsigned char)(start>>16))&0x1f); } /* if mode */
pccb->cmd[2]=((unsigned char) (start>>8))&0xff; scsi_max_devs++;
pccb->cmd[3]=((unsigned char) (start))&0xff; } /* next LUN */
pccb->cmd[4]=(unsigned char) blocks & 0xff; }
pccb->cmd[5]=0; if(scsi_max_devs>0)
pccb->cmdlen=6; scsi_curr_dev=0;
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 else
pccb->cmd[4]=(unsigned char)pccb->datalen; scsi_curr_dev = -1;
pccb->cmd[5]=0;
pccb->cmdlen=6; printf("Found %d device(s).\n", scsi_max_devs);
pccb->msgout[0]=SCSI_IDENTIFY; /* NOT USED */ #ifndef CONFIG_SPL_BUILD
setenv_ulong("scsidevs", scsi_max_devs);
#endif
} }