int saveenv(void)
{
struct block_dev_desc_t *sata = NULL;
if (sata_curr_device == -1) {
if (sata_initialize())
return 1;
sata_curr_device = CONFIG_SATA_ENV_DEV;
}
if (sata_curr_device >= CONFIG_SYS_SATA_MAX_DEVICE) {
printf("Unknown SATA(%d) device for environment!\n",
sata_curr_device);
return 1;
}
sata = sata_get_dev(sata_curr_device);
printf("Writing to SATA(%d)... ", sata_curr_device);
if (write_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, env_ptr)) {
puts("failed\n");
return 1;
}
puts("done\n");
return 0;
}
void env_relocate_spec(void)
{
#if !defined(ENV_IS_EMBEDDED)
block_dev_desc_t *sata = NULL;
char buf[CONFIG_ENV_SIZE];
int ret;
if (sata_curr_device == -1) {
if (sata_initialize())
return;
sata_curr_device = CONFIG_SATA_ENV_DEV;
}
if (sata_curr_device >= CONFIG_SYS_SATA_MAX_DEVICE) {
printf("Unknown SATA(%d) device for environment!\n",
sata_curr_device);
return;
}
sata = sata_get_dev(sata_curr_device);
if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, buf))
return use_default();
ret = env_import(buf, 1);
if (ret)
gd->env_valid = 1;
#endif
}
void env_relocate_spec(void)
{
#if !defined(ENV_IS_EMBEDDED)
struct block_dev_desc_t *sata = NULL;
int i = 0;
if (sata_curr_device == -1) {
if (sata_initialize())
return 1;
sata_curr_device = CONFIG_SATA_ENV_DEV;
}
if (sata_curr_device >= CONFIG_SYS_SATA_MAX_DEVICE) {
printf("Unknown SATA(%d) device for environment!\n",
sata_curr_device);
return 1;
}
sata = sata_get_dev(sata_curr_device);
if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, env_ptr))
return use_default();
if (crc32(0, env_ptr->data, ENV_SIZE) != env_ptr->crc)
return use_default();
gd->env_valid = 1;
#endif
}
static int env_sata_save(void)
{
ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
struct blk_desc *sata = NULL;
int env_sata, ret;
if (sata_initialize())
return 1;
env_sata = sata_get_env_dev();
sata = sata_get_dev(env_sata);
if (sata == NULL) {
printf("Unknown SATA(%d) device for environment!\n",
env_sata);
return 1;
}
ret = env_export(env_new);
if (ret)
return 1;
printf("Writing to SATA(%d)...", env_sata);
if (write_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, &env_new)) {
puts("failed\n");
return 1;
}
puts("done\n");
return 0;
}
/*
* now we can use a disk, and get the real environment.
*/
void env_relocate_spec(void)
{
#if defined(CONFIG_CMD_SATA)
extern void sata_initialize(void);
#endif
block_dev_desc_t *dev_desc = NULL;
int blksread;
env_t env;
char envbuf[CONFIG_ENV_SIZE];
env_t *envptr = (env_t *)envbuf;
/* try to find the device. */
dev_desc = get_dev(CONFIG_SYS_DISK_ENV_INTERFACE, CONFIG_SYS_DISK_ENV_DEV);
if (dev_desc == NULL) {
printf("Cannot find device %s%d\n", CONFIG_SYS_DISK_ENV_INTERFACE, CONFIG_SYS_DISK_ENV_DEV);
set_default_env(NULL);
return;
}
/* at this point we have to init the device. no generic way to do it. */
#if defined(CONFIG_CMD_SATA)
sata_initialize();
#else
#error Disk env currently only implemented for sata devices
#endif
/* before sanity checking, see if the device is ready */
if ((dev_desc->blksz == 0) || (dev_desc->lba == 0) || (dev_desc->type == DEV_TYPE_UNKNOWN)) {
printf("device %s %d is not available\n", CONFIG_SYS_DISK_ENV_INTERFACE, CONFIG_SYS_DISK_ENV_DEV);
set_default_env(NULL);
return;
}
/* some sanity checking, just in case. */
if (CONFIG_ENV_SIZE % dev_desc->blksz) {
printf("Env size (%dK) is not a multiple of block size (%luK)\n", CONFIG_ENV_SIZE >> 10, dev_desc->blksz >> 10);
set_default_env(NULL);
return;
}
int saveenv(void)
{
block_dev_desc_t *sata = NULL;
env_t env_new;
ssize_t len;
char *res;
if (sata_curr_device == -1) {
if (sata_initialize())
return 1;
sata_curr_device = CONFIG_SATA_ENV_DEV;
}
if (sata_curr_device >= CONFIG_SYS_SATA_MAX_DEVICE) {
printf("Unknown SATA(%d) device for environment!\n",
sata_curr_device);
return 1;
}
sata = sata_get_dev(sata_curr_device);
res = (char *)&env_new.data;
len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
}
env_new.crc = crc32(0, env_new.data, ENV_SIZE);
printf("Writing to SATA(%d)...", sata_curr_device);
if (write_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, &env_new)) {
puts("failed\n");
return 1;
}
puts("done\n");
return 0;
}
int sata_probe(int devnum)
{
#ifdef CONFIG_AHCI
struct udevice *dev;
int rc;
rc = uclass_get_device(UCLASS_AHCI, devnum, &dev);
if (rc)
rc = uclass_find_first_device(UCLASS_AHCI, &dev);
if (rc) {
printf("Cannot probe SATA device %d (err=%d)\n", devnum, rc);
return CMD_RET_FAILURE;
}
rc = sata_scan(dev);
if (rc) {
printf("Cannot scan SATA device %d (err=%d)\n", devnum, rc);
return CMD_RET_FAILURE;
}
return 0;
#else
return sata_initialize() < 0 ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
#endif
}
static void env_sata_load(void)
{
ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
struct blk_desc *sata = NULL;
int env_sata;
if (sata_initialize())
return -EIO;
env_sata = sata_get_env_dev();
sata = sata_get_dev(env_sata);
if (sata == NULL) {
printf("Unknown SATA(%d) device for environment!\n", env_sata);
return -EIO;
}
if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, buf)) {
set_default_env(NULL);
return -EIO;
}
return env_import(buf, 1);
}
static int splash_init_sata(void)
{
return sata_initialize();
}
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;
}
}