--- /dev/null
+/*
+ * 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>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <part.h>
+#include <sata.h>
+
+static 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].log2blksz = LOG2(sata_dev_desc[i].blksz);
+ sata_dev_desc[i].block_read = sata_read;
+ sata_dev_desc[i].block_write = sata_write;
+
+ rc = init_sata(i);
+ if (!rc) {
+ rc = scan_sata(i);
+ if (!rc && (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")));
+
+#ifdef CONFIG_PARTITIONS
+block_dev_desc_t *sata_get_dev(int dev)
+{
+ return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
+}
+#endif
+
+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;
+ }
+}
+
+U_BOOT_CMD(
+ sata, 5, 1, do_sata,
+ "SATA sub system",
+ "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"
+);
Code Review / kvmfornfv.git / blobdiff