cmd/ide.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2000-2011
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  */
   6
   7 /*
   8  * IDE support
   9  */
  10
  11 #include <blk.h>
  12 #include <dm.h>
  13 #include <config.h>
  14 #include <watchdog.h>
  15 #include <command.h>
  16 #include <image.h>
  17 #include <asm/byteorder.h>
  18 #include <asm/io.h>
  19 #include <dm/device-internal.h>
  20 #include <dm/uclass-internal.h>
  21
  22 #include <ide.h>
  23 #include <ata.h>
  24
  25 #ifdef CONFIG_LED_STATUS
  26 # include <status_led.h>
  27 #endif
  28
  29 /* Current I/O Device   */
  30 static int curr_device;
  31
  32 int do_ide(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  33 {
  34         if (argc == 2) {
  35                 if (strncmp(argv[1], "res", 3) == 0) {
  36                         struct udevice *dev;
  37                         int ret;
  38
  39                         puts("\nReset IDE: ");
  40                         ret = uclass_find_first_device(UCLASS_IDE, &dev);
  41                         ret = device_remove(dev, DM_REMOVE_NORMAL);
  42                         if (!ret)
  43                                 ret = device_chld_unbind(dev, NULL);
  44                         if (ret) {
  45                                 printf("Cannot remove IDE (err=%dE)\n", ret);
  46                                 return CMD_RET_FAILURE;
  47                         }
  48
  49                         ret = uclass_first_device_err(UCLASS_IDE, &dev);
  50                         if (ret) {
  51                                 printf("Init failed (err=%dE)\n", ret);
  52                                 return CMD_RET_FAILURE;
  53                         }
  54
  55                         return 0;
  56                 }
  57         }
  58
  59         return blk_common_cmd(argc, argv, UCLASS_IDE, &curr_device);
  60 }
  61
  62 int do_diskboot(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  63 {
  64         return common_diskboot(cmdtp, "ide", argc, argv);
  65 }
  66
  67 U_BOOT_CMD(ide, 5, 1, do_ide,
  68            "IDE sub-system",
  69            "reset - reset IDE controller\n"
  70            "ide info  - show available IDE devices\n"
  71            "ide device [dev] - show or set current device\n"
  72            "ide part [dev] - print partition table of one or all IDE devices\n"
  73            "ide read  addr blk# cnt\n"
  74            "ide write addr blk# cnt - read/write `cnt'"
  75            " blocks starting at block `blk#'\n"
  76            "    to/from memory address `addr'");
  77
  78 U_BOOT_CMD(diskboot, 3, 1, do_diskboot,
  79            "boot from IDE device", "loadAddr dev:part");