*/
#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
-
-#if defined(CONFIG_PCI) && !defined(CONFIG_SCSI_AHCI_PLAT)
-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 struct blk_desc 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, 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,
- 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(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;
- 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].devnum = 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;
- 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
-}
-
-int scsi_get_disk_count(void)
-{
- return scsi_max_devs;
-}
-
-#if defined(CONFIG_PCI) && !defined(CONFIG_SCSI_AHCI_PLAT)
-void scsi_init(void)
-{
- int busdevfunc = -1;
- 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 */
-#ifdef CONFIG_DM_PCI
- struct udevice *dev;
- int ret;
-
- ret = dm_pci_find_device(scsi_device_list[i].vendor,
- scsi_device_list[i].device, 0, &dev);
- if (!ret) {
- busdevfunc = dm_pci_get_bdf(dev);
- break;
- }
-#else
- busdevfunc = pci_find_device(scsi_device_list[i].vendor,
- scsi_device_list[i].device,
- 0);
-#endif
- 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
- bootstage_start(BOOTSTAGE_ID_ACCUM_SCSI, "ahci");
- scsi_low_level_init(busdevfunc);
- scsi_scan(1);
- bootstage_accum(BOOTSTAGE_ID_ACCUM_SCSI);
-}
-#endif
-
-#ifdef CONFIG_PARTITIONS
-struct blk_desc *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[])
+static 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[])
+static 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);
- part_print(&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) {
- part_print(&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_dev_desc[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_dev_desc[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
- */
-
-/* almost the maximum amount of the scsi_ext command.. */
-#define SCSI_MAX_READ_BLK 0xFFFF
-#define SCSI_LBA48_READ 0xFFFFFFF
+ int ret;
-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
+ if (argc == 2) {
+ if (strncmp(argv[1], "res", 3) == 0) {
+ printf("\nReset SCSI\n");
+#ifndef CONFIG_DM_SCSI
+ scsi_bus_reset(NULL);
#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;
+ ret = scsi_scan(true);
+ if (ret)
+ return CMD_RET_FAILURE;
+ return ret;
}
- 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;
+ if (strncmp(argv[1], "scan", 4) == 0) {
+ ret = scsi_scan(true);
+ if (ret)
+ return CMD_RET_FAILURE;
+ return ret;
}
- 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;
+ return blk_common_cmd(argc, argv, IF_TYPE_SCSI, &scsi_curr_dev);
}
-
-/************************************************************************************
- * 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 */
-}
-
-#ifdef CONFIG_SYS_64BIT_LBA
-void scsi_setup_read16(ccb * pccb, lbaint_t start, unsigned long blocks)
-{
- pccb->cmd[0] = SCSI_READ16;
- pccb->cmd[1] = pccb->lun<<5;
- pccb->cmd[2] = ((unsigned char) (start >> 56)) & 0xff;
- pccb->cmd[3] = ((unsigned char) (start >> 48)) & 0xff;
- 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)
-{
- 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 */
-}
-
-
U_BOOT_CMD(
scsi, 5, 1, do_scsi,
"SCSI sub-system",
projects / people / ms / u-boot.git / blobdiff