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