* (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
- *
- *
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
#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_VEND_ID 0x10b9
#define SCSI_DEV_ID 0x5288
-#else
+#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_curr_dev; /* current device */
-static block_dev_desc_t scsi_dev_desc[CFG_SCSI_MAX_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_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);
+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);
-ulong scsi_read(int device, ulong blknr, ulong blkcnt, void *buffer);
+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);
/*********************************************************************************
void scsi_scan(int mode)
{
unsigned char i,perq,modi,lun;
- unsigned long capacity,blksz;
+ lbaint_t capacity;
+ unsigned long blksz;
ccb* pccb=(ccb *)&tempccb;
if(mode==1) {
printf("scanning bus for devices...\n");
}
- for(i=0;i<CFG_SCSI_MAX_DEVICE;i++) {
+ 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].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<CFG_SCSI_MAX_SCSI_ID;i++) {
+ for(i=0;i<CONFIG_SYS_SCSI_MAX_SCSI_ID;i++) {
pccb->target=i;
- for(lun=0;lun<CFG_SCSI_MAX_LUN;lun++) {
+ 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 (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 */
continue; /* skip unknown devices */
}
if((modi&0x80)==0x80) /* drive is removable */
- scsi_dev_desc[scsi_max_devs].removable=TRUE;
+ 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);
pccb->datalen=0;
scsi_setup_test_unit_ready(pccb);
- if(scsi_exec(pccb)!=TRUE) {
- if(scsi_dev_desc[scsi_max_devs].removable==TRUE) {
+ 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) {
+ if (scsi_read_capacity(pccb, &capacity, &blksz)) {
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].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(scsi_max_devs>0)
scsi_curr_dev=0;
else
- scsi_curr_dev=-1;
+ scsi_curr_dev = -1;
+
+ printf("Found %d device(s).\n", scsi_max_devs);
+ setenv_ulong("scsidevs", scsi_max_devs);
}
+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;
+ }
- 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);
+ 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_VEND_ID,SCSI_DEV_ID,(busdevfunc>>16)&0xFF,(busdevfunc>>11)&0x1F,(busdevfunc>>8)&0x7);
+ 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 < CFG_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL;
+ 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 *argv[])
+int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- char *boot_device = NULL;
- char *ep;
- int dev, part = 0;
- ulong addr, cnt;
- disk_partition_t info;
- image_header_t *hdr;
- int rcode = 0;
-#if defined(CONFIG_FIT)
- const void *fit_hdr;
-#endif
-
- 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((char *)(info.type), BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
- (strncmp((char *)(info.type), BOOT_PART_COMP, 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);
-
- debug ("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;
- }
-
- switch (genimg_get_format ((void *)addr)) {
- case IMAGE_FORMAT_LEGACY:
- hdr = (image_header_t *)addr;
-
- if (!image_check_hcrc (hdr)) {
- puts ("\n** Bad Header Checksum **\n");
- return 1;
- }
-
- image_print_contents (hdr);
- cnt = image_get_image_size (hdr);
- break;
-#if defined(CONFIG_FIT)
- case IMAGE_FORMAT_FIT:
- fit_hdr = (const void *)addr;
- if (!fit_check_format (fit_hdr)) {
- puts ("** Bad FIT image format\n");
- return 1;
- }
- puts ("Fit image detected...\n");
-
- cnt = fit_get_size (fit_hdr);
- break;
-#endif
- default:
- puts ("** Unknown image type\n");
- return 1;
- }
-
- cnt += info.blksz - 1;
- cnt /= info.blksz;
- cnt -= 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;
- }
-
-#if defined(CONFIG_FIT)
- /* This cannot be done earlier, we need complete FIT image in RAM first */
- if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT)
- fit_print_contents ((const void *)addr);
-#endif
-
- /* 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;
+ return common_diskboot(cmdtp, "scsi", argc, argv);
}
/*********************************************************************************
* scsi command intepreter
*/
-int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_scsi (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
switch (argc) {
- case 0:
- case 1: printf ("Usage:\n%s\n", cmdtp->usage); return 1;
- case 2:
+ case 0:
+ case 1:
+ return CMD_RET_USAGE;
+
+ case 2:
if (strncmp(argv[1],"res",3) == 0) {
printf("\nReset SCSI\n");
scsi_bus_reset();
}
if (strncmp(argv[1],"inf",3) == 0) {
int i;
- for (i=0; i<CFG_SCSI_MAX_DEVICE; ++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);
return 0;
}
if (strncmp(argv[1],"dev",3) == 0) {
- if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CFG_SCSI_MAX_DEVICE)) {
+ if ((scsi_curr_dev < 0) || (scsi_curr_dev >= CONFIG_SYS_SCSI_MAX_DEVICE)) {
printf("\nno SCSI devices available\n");
return 1;
}
}
if (strncmp(argv[1],"part",4) == 0) {
int dev, ok;
- for (ok=0, dev=0; dev<CFG_SCSI_MAX_DEVICE; ++dev) {
+ 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("\nno SCSI devices available\n");
return 1;
}
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
- case 3:
+ 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 >= CFG_SCSI_MAX_DEVICE) {
+ if (dev >= CONFIG_SYS_SCSI_MAX_DEVICE) {
printf("unknown device\n");
return 1;
}
}
return 1;
}
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ return CMD_RET_USAGE;
default:
/* at least 4 args */
if (strcmp(argv[1],"read") == 0) {
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 */
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ return CMD_RET_USAGE;
}
/****************************************************************************************
#define SCSI_MAX_READ_BLK 0xFFFF /* almost the maximum amount of the scsi_ext command.. */
-ulong scsi_read(int device, ulong blknr, ulong blkcnt, void *buffer)
+static ulong scsi_read(int device, lbaint_t blknr, lbaint_t blkcnt,
+ void *buffer)
{
- ulong start,blks, buf_addr;
+ lbaint_t start, blks;
+ uintptr_t buf_addr;
unsigned short smallblks;
ccb* pccb=(ccb *)&tempccb;
device&=0xff;
buf_addr=(unsigned long)buffer;
start=blknr;
blks=blkcnt;
- debug ("\nscsi_read: dev %d startblk %lx, blccnt %lx buffer %lx\n",device,start,blks,(unsigned long)buffer);
+ 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) {
start+=blks;
blks=0;
}
- debug ("scsi_read_ext: startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr);
- if(scsi_exec(pccb)!=TRUE) {
+ debug("scsi_read_ext: startblk " LBAF
+ ", 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);
- debug ("scsi_read_ext: end startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr);
+ debug("scsi_read_ext: end startblk " LBAF
+ ", blccnt %x buffer %lx\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 %lx\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 %lx\n",
+ __func__, start, smallblks, buf_addr);
+ return blkcnt;
+}
+
/* copy src to dest, skipping leading and trailing blanks
* and null terminate the string
*/
}
}
+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
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[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;
U_BOOT_CMD(
scsi, 5, 1, do_scsi,
- "scsi - SCSI sub-system\n",
+ "SCSI sub-system",
"reset - reset SCSI controller\n"
"scsi info - show available SCSI devices\n"
"scsi scan - (re-)scan SCSI bus\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,
- "scsiboot- boot from SCSI device\n",
- "loadAddr dev:part\n"
+ "boot from SCSI device",
+ "loadAddr dev:part"
);
projects / J-u-boot.git / blobdiff