* (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 <common.h>
#include <command.h>
+#include <inttypes.h>
#include <asm/processor.h>
#include <scsi.h>
#include <image.h>
#define SCSI_DEV_LIST {SCSI_VEND_ID, SCSI_DEV_ID}
#endif
-#ifdef CONFIG_PCI
+#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 */
* 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_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);
-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) {
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<CONFIG_SYS_SCSI_MAX_SCSI_ID;i++) {
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:
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
+#if defined(CONFIG_PCI) && !defined(CONFIG_SCSI_AHCI_PLAT)
void scsi_init(void)
{
int busdevfunc;
(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
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.. */
+/* almost the maximum amount of the scsi_ext command.. */
+#define SCSI_MAX_READ_BLK 0xFFFF
+#define SCSI_LBA48_READ 0xFFFFFFF
-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) {
+#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+=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 %" 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 %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr);
+ 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
*/
}
}
+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)
+#ifdef CONFIG_SYS_64BIT_LBA
+void scsi_setup_read16(ccb * pccb, lbaint_t start, unsigned long blocks)
{
- 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 */
-
+ 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, unsigned long start, unsigned short blocks)
+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[7],pccb->cmd[8]);
}
-void scsi_setup_read6(ccb * pccb, unsigned long start, unsigned short blocks)
+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);
"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'"
+ " 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(
projects / karo-tx-uboot.git / blobdiff