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 */ 31static int curr_device; 32 33int 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 63int do_diskboot(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) 64{ 65 return common_diskboot(cmdtp, "ide", argc, argv); 66} 67 68U_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 79U_BOOT_CMD(diskboot, 3, 1, do_diskboot, 80 "boot from IDE device", "loadAddr dev:part"); 81