int saveenv(void)
{
unsigned int err;
ulong buf[(CONFIG_ENV_SIZE + 511) / 128];
memcpy(buf, env_ptr, CONFIG_ENV_SIZE);
env_ptr->crc = crc32(0, env_ptr->data, ENV_SIZE);
err = sata_write(CONFIG_ENV_DEVICE, CONFIG_ENV_ADDR, CONFIG_ENV_SIZE, buf);
if (err)
puts("*** Warning - sata_write error\n\n");
return err;
}
static 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:
return CMD_RET_USAGE;
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;
}
return CMD_RET_USAGE;
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;
}
return CMD_RET_USAGE;
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 {
return CMD_RET_USAGE;
}
return rc;
}
}
static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start,
lbaint_t blkcnt, const void *buffer)
{
return sata_write(block_dev->devnum, start, blkcnt, buffer);
}
