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_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
  22 # include <pcmcia.h>
  23 #endif
  24
  25 #include <ide.h>
  26 #include <ata.h>
  27
  28 #ifdef CONFIG_STATUS_LED
  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 #ifdef CONFIG_IDE_8xx_DIRECT
  47                              " on PCMCIA " PCMCIA_SLOT_MSG
  48 #endif
  49                              ": ");
  50
  51                         ide_init();
  52                         return 0;
  53                 } else if (strncmp(argv[1], "inf", 3) == 0) {
  54                         blk_list_devices(IF_TYPE_IDE);
  55                         return 0;
  56
  57                 } else if (strncmp(argv[1], "dev", 3) == 0) {
  58                         if (blk_print_device_num(IF_TYPE_IDE, curr_device)) {
  59                                 printf("\nno IDE devices available\n");
  60                                 return CMD_RET_FAILURE;
  61                         }
  62
  63                         return 0;
  64                 } else if (strncmp(argv[1], "part", 4) == 0) {
  65                         if (blk_list_part(IF_TYPE_IDE))
  66                                 printf("\nno IDE devices available\n");
  67                         return 1;
  68                 }
  69                 return CMD_RET_USAGE;
  70         case 3:
  71                 if (strncmp(argv[1], "dev", 3) == 0) {
  72                         int dev = (int)simple_strtoul(argv[2], NULL, 10);
  73
  74                         if (!blk_show_device(IF_TYPE_IDE, dev)) {
  75                                 curr_device = dev;
  76                                 printf("... is now current device\n");
  77                         } else {
  78                                 return CMD_RET_FAILURE;
  79                         }
  80                         return 0;
  81                 } else if (strncmp(argv[1], "part", 4) == 0) {
  82                         int dev = (int)simple_strtoul(argv[2], NULL, 10);
  83
  84                         if (blk_print_part_devnum(IF_TYPE_IDE, dev)) {
  85                                 printf("\nIDE device %d not available\n", dev);
  86                                 return CMD_RET_FAILURE;
  87                         }
  88                         return 1;
  89                 }
  90
  91                 return CMD_RET_USAGE;
  92         default:
  93                 /* at least 4 args */
  94
  95                 if (strcmp(argv[1], "read") == 0) {
  96                         ulong addr = simple_strtoul(argv[2], NULL, 16);
  97                         ulong cnt = simple_strtoul(argv[4], NULL, 16);
  98                         ulong n;
  99
 100 #ifdef CONFIG_SYS_64BIT_LBA
 101                         lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
 102
 103                         printf("\nIDE read: device %d block # %lld, count %ld...",
 104                                curr_device, blk, cnt);
 105 #else
 106                         lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
 107
 108                         printf("\nIDE read: device %d block # %ld, count %ld...",
 109                                curr_device, blk, cnt);
 110 #endif
 111
 112                         n = blk_read_devnum(IF_TYPE_IDE, curr_device, blk, cnt,
 113                                             (ulong *)addr);
 114
 115                         printf("%ld blocks read: %s\n",
 116                                n, (n == cnt) ? "OK" : "ERROR");
 117                         if (n == cnt)
 118                                 return 0;
 119                         else
 120                                 return 1;
 121                 } else if (strcmp(argv[1], "write") == 0) {
 122                         ulong addr = simple_strtoul(argv[2], NULL, 16);
 123                         ulong cnt = simple_strtoul(argv[4], NULL, 16);
 124                         ulong n;
 125
 126 #ifdef CONFIG_SYS_64BIT_LBA
 127                         lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
 128
 129                         printf("\nIDE write: device %d block # %lld, count %ld...",
 130                                curr_device, blk, cnt);
 131 #else
 132                         lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
 133
 134                         printf("\nIDE write: device %d block # %ld, count %ld...",
 135                                curr_device, blk, cnt);
 136 #endif
 137                         n = blk_write_devnum(IF_TYPE_IDE, curr_device, blk, cnt,
 138                                              (ulong *)addr);
 139
 140                         printf("%ld blocks written: %s\n", n,
 141                                n == cnt ? "OK" : "ERROR");
 142                         if (n == cnt)
 143                                 return 0;
 144                         else
 145                                 return 1;
 146                 } else {
 147                         return CMD_RET_USAGE;
 148                 }
 149
 150                 return rcode;
 151         }
 152 }
 153
 154 int do_diskboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 155 {
 156         return common_diskboot(cmdtp, "ide", argc, argv);
 157 }
 158
 159 U_BOOT_CMD(ide, 5, 1, do_ide,
 160            "IDE sub-system",
 161            "reset - reset IDE controller\n"
 162            "ide info  - show available IDE devices\n"
 163            "ide device [dev] - show or set current device\n"
 164            "ide part [dev] - print partition table of one or all IDE devices\n"
 165            "ide read  addr blk# cnt\n"
 166            "ide write addr blk# cnt - read/write `cnt'"
 167            " blocks starting at block `blk#'\n"
 168            "    to/from memory address `addr'");
 169
 170 U_BOOT_CMD(diskboot, 3, 1, do_diskboot,
 171            "boot from IDE device", "loadAddr dev:part");