+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2000-2005, DENX Software Engineering
* Copyright (C) 2008 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
-#include <common.h>
+#include <ahci.h>
+#include <blk.h>
+#include <dm.h>
#include <command.h>
#include <part.h>
#include <sata.h>
+#include <dm/device-internal.h>
+#include <dm/uclass-internal.h>
static int sata_curr_device = -1;
-struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
-static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start,
- lbaint_t blkcnt, void *dst)
-{
- return sata_read(block_dev->dev, start, blkcnt, dst);
-}
-
-static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start,
- lbaint_t blkcnt, const void *buffer)
-{
- return sata_write(block_dev->dev, start, blkcnt, buffer);
-}
-
-int __sata_initialize(void)
+int sata_remove(int devnum)
{
+#ifdef CONFIG_AHCI
+ struct udevice *dev;
int rc;
- int i;
-
- for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) {
- memset(&sata_dev_desc[i], 0, sizeof(struct blk_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].log2blksz = LOG2(sata_dev_desc[i].blksz);
- sata_dev_desc[i].block_read = sata_bread;
- sata_dev_desc[i].block_write = sata_bwrite;
-
- rc = init_sata(i);
- if (!rc) {
- rc = scan_sata(i);
- if (!rc && (sata_dev_desc[i].lba > 0) &&
- (sata_dev_desc[i].blksz > 0))
- part_init(&sata_dev_desc[i]);
- }
- }
- sata_curr_device = 0;
- return rc;
-}
-int sata_initialize(void) __attribute__((weak,alias("__sata_initialize")));
-
-__weak int __sata_stop(void)
-{
- int i, err = 0;
- for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++)
- err |= reset_sata(i);
+ blk_unbind_all(UCLASS_AHCI);
- if (err)
- printf("Could not reset some SATA devices\n");
+ rc = uclass_find_device(UCLASS_AHCI, devnum, &dev);
+ if (!rc && !dev)
+ rc = uclass_find_first_device(UCLASS_AHCI, &dev);
+ if (rc || !dev) {
+ printf("Cannot find SATA device %d (err=%d)\n", devnum, rc);
+ return CMD_RET_FAILURE;
+ }
- return err;
-}
-int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
+ rc = device_remove(dev, DM_REMOVE_NORMAL);
+ if (rc) {
+ printf("Cannot remove SATA device '%s' (err=%d)\n", dev->name,
+ rc);
+ return CMD_RET_FAILURE;
+ }
-#ifdef CONFIG_PARTITIONS
-struct blk_desc *sata_get_dev(int dev)
-{
- return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
-}
+ return 0;
+#else
+ return sata_stop();
#endif
+}
-static int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int sata_probe(int devnum)
{
- int rc = 0;
-
- if (argc == 2 && strcmp(argv[1], "stop") == 0)
- return sata_stop();
-
- if (argc == 2 && strcmp(argv[1], "init") == 0) {
- if (sata_curr_device != -1)
- sata_stop();
+#ifdef CONFIG_AHCI
+ struct udevice *dev;
+ int rc;
- return sata_initialize();
+ 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;
+ }
+ if (!dev) {
+ printf("No SATA device found!\n");
+ 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;
}
- /* 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');
- part_print(&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;
+ return 0;
+#else
+ return sata_initialize() < 0 ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
+#endif
+}
- sata_curr_device = dev;
+static int do_sata(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ int rc = 0;
- puts("... is now current device\n");
+ if (argc >= 2) {
+ int devnum = 0;
- return 0;
- } else if (strncmp(argv[1], "part", 4) == 0) {
- int dev = (int)simple_strtoul(argv[2], NULL, 10);
+ if (argc == 3)
+ devnum = (int)dectoul(argv[2], NULL);
+ if (!strcmp(argv[1], "stop"))
+ return sata_remove(devnum);
- if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
- part_print(&sata_dev_desc[dev]);
- } else {
- printf("\nSATA device %d not available\n", dev);
- rc = 1;
+ if (!strcmp(argv[1], "init")) {
+ if (sata_curr_device != -1) {
+ rc = sata_remove(devnum);
+ if (rc)
+ return rc;
}
- 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 sata_probe(devnum);
}
+ }
- return rc;
+ /* If the user has not yet run `sata init`, do it now */
+ if (sata_curr_device == -1) {
+ rc = sata_probe(0);
+ if (rc)
+ return rc;
+ sata_curr_device = 0;
}
+
+ return blk_common_cmd(argc, argv, UCLASS_AHCI, &sata_curr_device);
}
U_BOOT_CMD(
sata, 5, 1, do_sata,
"SATA sub system",
"init - init SATA sub system\n"
- "sata stop - disable SATA sub system\n"
+ "sata stop [dev] - disable SATA sub system or device\n"
"sata info - show available SATA devices\n"
"sata device [dev] - show or set current device\n"
"sata part [dev] - print partition table\n"
projects / J-u-boot.git / blobdiff