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/*
* Copyright (C) 2000-2005, DENX Software Engineering
* Wolfgang Denk <wd@denx.de>
* Copyright (C) Procsys. All rights reserved.
* Mushtaq Khan <mushtaq_k@procsys.com>
* <mushtaqk_921@yahoo.co.in>
* Copyright (C) 2008 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
*
* 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
*/
#include <common.h>
#include <command.h>
#include <part.h>
#include <sata.h>
int sata_curr_device = -1;
block_dev_desc_t sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
int __sata_initialize(void)
{
int rc;
int i;
for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) {
memset(&sata_dev_desc[i], 0, sizeof(struct block_dev_desc));
sata_dev_desc[i].if_type = IF_TYPE_SATA;
sata_dev_desc[i].dev = i;
sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
sata_dev_desc[i].type = DEV_TYPE_HARDDISK;
sata_dev_desc[i].lba = 0;
sata_dev_desc[i].blksz = 512;
sata_dev_desc[i].block_read = sata_read;
sata_dev_desc[i].block_write = sata_write;
rc = init_sata(i);
rc = scan_sata(i);
if ((sata_dev_desc[i].lba > 0) && (sata_dev_desc[i].blksz > 0))
init_part(&sata_dev_desc[i]);
}
sata_curr_device = 0;
return rc;
}
int sata_initialize(void) __attribute__((weak,alias("__sata_initialize")));
block_dev_desc_t *sata_get_dev(int dev)
{
return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
}
int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int rc = 0;
if (argc == 2 && strcmp(argv[1], "init") == 0)
return sata_initialize();
/* If the user has not yet run `sata init`, do it now */
if (sata_curr_device == -1)
if (sata_initialize())
return 1;
switch (argc) {
case 0:
case 1:
cmd_usage(cmdtp);
return 1;
case 2:
if (strncmp(argv[1],"inf", 3) == 0) {
int i;
putc('\n');
for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; ++i) {
if (sata_dev_desc[i].type == DEV_TYPE_UNKNOWN)
continue;
printf ("SATA device %d: ", i);
dev_print(&sata_dev_desc[i]);
}
return 0;
} else if (strncmp(argv[1],"dev", 3) == 0) {
if ((sata_curr_device < 0) || (sata_curr_device >= CONFIG_SYS_SATA_MAX_DEVICE)) {
puts("\nno SATA devices available\n");
return 1;
}
printf("\nSATA device %d: ", sata_curr_device);
dev_print(&sata_dev_desc[sata_curr_device]);
return 0;
} else if (strncmp(argv[1],"part",4) == 0) {
int dev, ok;
for (ok = 0, dev = 0; dev < CONFIG_SYS_SATA_MAX_DEVICE; ++dev) {
if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
++ok;
if (dev)
putc ('\n');
print_part(&sata_dev_desc[dev]);
}
}
if (!ok) {
puts("\nno SATA devices available\n");
rc ++;
}
return rc;
}
cmd_usage(cmdtp);
return 1;
case 3:
if (strncmp(argv[1], "dev", 3) == 0) {
int dev = (int)simple_strtoul(argv[2], NULL, 10);
printf("\nSATA device %d: ", dev);
if (dev >= CONFIG_SYS_SATA_MAX_DEVICE) {
puts ("unknown device\n");
return 1;
}
dev_print(&sata_dev_desc[dev]);
if (sata_dev_desc[dev].type == DEV_TYPE_UNKNOWN)
return 1;
sata_curr_device = dev;
puts("... is now current device\n");
return 0;
} else if (strncmp(argv[1], "part", 4) == 0) {
int dev = (int)simple_strtoul(argv[2], NULL, 10);
if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
print_part(&sata_dev_desc[dev]);
} else {
printf("\nSATA device %d not available\n", dev);
rc = 1;
}
return rc;
}
cmd_usage(cmdtp);
return 1;
default: /* at least 4 args */
if (strcmp(argv[1], "read") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
printf("\nSATA read: device %d block # %ld, count %ld ... ",
sata_curr_device, blk, cnt);
n = sata_read(sata_curr_device, blk, cnt, (u32 *)addr);
/* flush cache after read */
flush_cache(addr, cnt * sata_dev_desc[sata_curr_device].blksz);
printf("%ld blocks read: %s\n",
n, (n==cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
} else if (strcmp(argv[1], "write") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
printf("\nSATA write: device %d block # %ld, count %ld ... ",
sata_curr_device, blk, cnt);
n = sata_write(sata_curr_device, blk, cnt, (u32 *)addr);
printf("%ld blocks written: %s\n",
n, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
} else {
cmd_usage(cmdtp);
rc = 1;
}
return rc;
}
}
U_BOOT_CMD(
sata, 5, 1, do_sata,
"SATA sub system",
"sata init - init SATA sub system\n"
"sata info - show available SATA devices\n"
"sata device [dev] - show or set current device\n"
"sata part [dev] - print partition table\n"
"sata read addr blk# cnt\n"
"sata write addr blk# cnt"
);
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