cmd/ide.c

   1 /*
   2  * (C) Copyright 2000-2011
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  * IDE support
  10  */
  11
  12 #include <common.h>
  13 #include <blk.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
  21 #if defined(CONFIG_IDE_PCMCIA)
  22 # include <pcmcia.h>
  23 #endif
  24
  25 #include <ide.h>
  26 #include <ata.h>
  27
  28 #ifdef CONFIG_LED_STATUS
  29 # include <status_led.h>
  30 #endif
  31
  32 /* Current I/O Device   */
  33 static int curr_device = -1;
  34
  35 int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  36 {
  37         int rcode = 0;
  38
  39         switch (argc) {
  40         case 0:
  41         case 1:
  42                 return CMD_RET_USAGE;
  43         case 2:
  44                 if (strncmp(argv[1], "res", 3) == 0) {
  45                         puts("\nReset IDE: ");
  46                         ide_init();
  47                         return 0;
  48                 } else if (strncmp(argv[1], "inf", 3) == 0) {
  49                         blk_list_devices(IF_TYPE_IDE);
  50                         return 0;
  51
  52                 } else if (strncmp(argv[1], "dev", 3) == 0) {
  53                         if (blk_print_device_num(IF_TYPE_IDE, curr_device)) {
  54                                 printf("\nno IDE devices available\n");
  55                                 return CMD_RET_FAILURE;
  56                         }
  57
  58                         return 0;
  59                 } else if (strncmp(argv[1], "part", 4) == 0) {
  60                         if (blk_list_part(IF_TYPE_IDE))
  61                                 printf("\nno IDE devices available\n");
  62                         return 1;
  63                 }
  64                 return CMD_RET_USAGE;
  65         case 3:
  66                 if (strncmp(argv[1], "dev", 3) == 0) {
  67                         int dev = (int)simple_strtoul(argv[2], NULL, 10);
  68
  69                         if (!blk_show_device(IF_TYPE_IDE, dev)) {
  70                                 curr_device = dev;
  71                                 printf("... is now current device\n");
  72                         } else {
  73                                 return CMD_RET_FAILURE;
  74                         }
  75                         return 0;
  76                 } else if (strncmp(argv[1], "part", 4) == 0) {
  77                         int dev = (int)simple_strtoul(argv[2], NULL, 10);
  78
  79                         if (blk_print_part_devnum(IF_TYPE_IDE, dev)) {
  80                                 printf("\nIDE device %d not available\n", dev);
  81                                 return CMD_RET_FAILURE;
  82                         }
  83                         return 1;
  84                 }
  85
  86                 return CMD_RET_USAGE;
  87         default:
  88                 /* at least 4 args */
  89
  90                 if (strcmp(argv[1], "read") == 0) {
  91                         ulong addr = simple_strtoul(argv[2], NULL, 16);
  92                         ulong cnt = simple_strtoul(argv[4], NULL, 16);
  93                         ulong n;
  94
  95 #ifdef CONFIG_SYS_64BIT_LBA
  96                         lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
  97
  98                         printf("\nIDE read: device %d block # %lld, count %ld...",
  99                                curr_device, blk, cnt);
 100 #else
 101                         lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
 102
 103                         printf("\nIDE read: device %d block # %ld, count %ld...",
 104                                curr_device, blk, cnt);
 105 #endif
 106
 107                         n = blk_read_devnum(IF_TYPE_IDE, curr_device, blk, cnt,
 108                                             (ulong *)addr);
 109
 110                         printf("%ld blocks read: %s\n",
 111                                n, (n == cnt) ? "OK" : "ERROR");
 112                         if (n == cnt)
 113                                 return 0;
 114                         else
 115                                 return 1;
 116                 } else if (strcmp(argv[1], "write") == 0) {
 117                         ulong addr = simple_strtoul(argv[2], NULL, 16);
 118                         ulong cnt = simple_strtoul(argv[4], NULL, 16);
 119                         ulong n;
 120
 121 #ifdef CONFIG_SYS_64BIT_LBA
 122                         lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
 123
 124                         printf("\nIDE write: device %d block # %lld, count %ld...",
 125                                curr_device, blk, cnt);
 126 #else
 127                         lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
 128
 129                         printf("\nIDE write: device %d block # %ld, count %ld...",
 130                                curr_device, blk, cnt);
 131 #endif
 132                         n = blk_write_devnum(IF_TYPE_IDE, curr_device, blk, cnt,
 133                                              (ulong *)addr);
 134
 135                         printf("%ld blocks written: %s\n", n,
 136                                n == cnt ? "OK" : "ERROR");
 137                         if (n == cnt)
 138                                 return 0;
 139                         else
 140                                 return 1;
 141                 } else {
 142                         return CMD_RET_USAGE;
 143                 }
 144
 145                 return rcode;
 146         }
 147 }
 148
 149 int do_diskboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 150 {
 151         return common_diskboot(cmdtp, "ide", argc, argv);
 152 }
 153
 154 U_BOOT_CMD(ide, 5, 1, do_ide,
 155            "IDE sub-system",
 156            "reset - reset IDE controller\n"
 157            "ide info  - show available IDE devices\n"
 158            "ide device [dev] - show or set current device\n"
 159            "ide part [dev] - print partition table of one or all IDE devices\n"
 160            "ide read  addr blk# cnt\n"
 161            "ide write addr blk# cnt - read/write `cnt'"
 162            " blocks starting at block `blk#'\n"
 163            "    to/from memory address `addr'");
 164
 165 U_BOOT_CMD(diskboot, 3, 1, do_diskboot,
 166            "boot from IDE device", "loadAddr dev:part");