Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | // SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2000-2005, DENX Software Engineering * Wolfgang Denk <wd@denx.de> * Copyright (C) Procsys. All rights reserved. * Mushtaq Khan <mushtaq_k@procsys.com> * <mushtaqk_921@yahoo.co.in> * Copyright (C) 2008 Freescale Semiconductor, Inc. * Dave Liu <daveliu@freescale.com> */ #include <common.h> #include <ahci.h> #include <blk.h> #include <dm.h> #include <command.h> #include <part.h> #include <sata.h> #include <dm/device-internal.h> #include <dm/uclass-internal.h> static int sata_curr_device = -1; int sata_remove(int devnum) { #ifdef CONFIG_AHCI struct udevice *dev; int rc; blk_unbind_all(IF_TYPE_SATA); rc = uclass_find_device(UCLASS_AHCI, devnum, &dev); if (!rc && !dev) rc = uclass_find_first_device(UCLASS_AHCI, &dev); if (rc || !dev) { printf("Cannot find SATA device %d (err=%d)\n", devnum, rc); return CMD_RET_FAILURE; } rc = device_remove(dev, DM_REMOVE_NORMAL); if (rc) { printf("Cannot remove SATA device '%s' (err=%d)\n", dev->name, rc); return CMD_RET_FAILURE; } return 0; #else return sata_stop(); #endif } int sata_probe(int devnum) { #ifdef CONFIG_AHCI struct udevice *dev; int rc; rc = uclass_get_device(UCLASS_AHCI, devnum, &dev); if (rc) rc = uclass_find_first_device(UCLASS_AHCI, &dev); if (rc) { printf("Cannot probe SATA device %d (err=%d)\n", devnum, rc); return CMD_RET_FAILURE; } if (!dev) { printf("No SATA device found!\n"); return CMD_RET_FAILURE; } rc = sata_scan(dev); if (rc) { printf("Cannot scan SATA device %d (err=%d)\n", devnum, rc); return CMD_RET_FAILURE; } return 0; #else return sata_initialize() < 0 ? CMD_RET_FAILURE : CMD_RET_SUCCESS; #endif } static int do_sata(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { int rc = 0; if (argc >= 2) { int devnum = 0; if (argc == 3) devnum = (int)dectoul(argv[2], NULL); if (!strcmp(argv[1], "stop")) return sata_remove(devnum); if (!strcmp(argv[1], "init")) { if (sata_curr_device != -1) { rc = sata_remove(devnum); if (rc) return rc; } return sata_probe(devnum); } } /* If the user has not yet run `sata init`, do it now */ if (sata_curr_device == -1) { rc = sata_probe(0); if (rc) return rc; sata_curr_device = 0; } return blk_common_cmd(argc, argv, IF_TYPE_SATA, &sata_curr_device); } U_BOOT_CMD( sata, 5, 1, do_sata, "SATA sub system", "init - init SATA sub system\n" "sata stop [dev] - disable SATA sub system or device\n" "sata info - show available SATA devices\n" "sata device [dev] - show or set current device\n" "sata part [dev] - print partition table\n" "sata read addr blk# cnt\n" "sata write addr blk# cnt" ); |