1 /* 2 * Copyright (C) 2000-2005, DENX Software Engineering 3 * Wolfgang Denk <wd@denx.de> 4 * Copyright (C) Procsys. All rights reserved. 5 * Mushtaq Khan <mushtaq_k@procsys.com> 6 * <mushtaqk_921@yahoo.co.in> 7 * Copyright (C) 2008 Freescale Semiconductor, Inc. 8 * Dave Liu <daveliu@freescale.com> 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #include <common.h> 14 #include <command.h> 15 #include <part.h> 16 #include <sata.h> 17 18 static int sata_curr_device = -1; 19 20 static int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 21 { 22 int rc = 0; 23 24 if (argc == 2 && strcmp(argv[1], "stop") == 0) 25 return sata_stop(); 26 27 if (argc == 2 && strcmp(argv[1], "init") == 0) { 28 if (sata_curr_device != -1) 29 sata_stop(); 30 31 return sata_initialize(); 32 } 33 34 /* If the user has not yet run `sata init`, do it now */ 35 if (sata_curr_device == -1) 36 if (sata_initialize()) 37 return 1; 38 39 switch (argc) { 40 case 0: 41 case 1: 42 return CMD_RET_USAGE; 43 case 2: 44 if (strncmp(argv[1], "inf", 3) == 0) { 45 blk_list_devices(IF_TYPE_SATA); 46 return 0; 47 } else if (strncmp(argv[1], "dev", 3) == 0) { 48 if (blk_print_device_num(IF_TYPE_SATA, 49 sata_curr_device)) { 50 printf("\nno SATA devices available\n"); 51 return CMD_RET_FAILURE; 52 } 53 return 0; 54 } else if (strncmp(argv[1], "part", 4) == 0) { 55 if (blk_list_part(IF_TYPE_SATA)) 56 puts("\nno SATA devices available\n"); 57 return 0; 58 } 59 return CMD_RET_USAGE; 60 case 3: 61 if (strncmp(argv[1], "dev", 3) == 0) { 62 int dev = (int)simple_strtoul(argv[2], NULL, 10); 63 64 if (!blk_show_device(IF_TYPE_SATA, dev)) { 65 sata_curr_device = dev; 66 printf("... is now current device\n"); 67 } else { 68 return CMD_RET_FAILURE; 69 } 70 return 0; 71 } else if (strncmp(argv[1], "part", 4) == 0) { 72 int dev = (int)simple_strtoul(argv[2], NULL, 10); 73 74 if (blk_print_part_devnum(IF_TYPE_SATA, dev)) { 75 printf("\nSATA device %d not available\n", 76 dev); 77 return CMD_RET_FAILURE; 78 } 79 return rc; 80 } 81 return CMD_RET_USAGE; 82 83 default: /* at least 4 args */ 84 if (strcmp(argv[1], "read") == 0) { 85 ulong addr = simple_strtoul(argv[2], NULL, 16); 86 ulong cnt = simple_strtoul(argv[4], NULL, 16); 87 ulong n; 88 lbaint_t blk = simple_strtoul(argv[3], NULL, 16); 89 90 printf("\nSATA read: device %d block # %ld, count %ld ... ", 91 sata_curr_device, blk, cnt); 92 93 n = blk_read_devnum(IF_TYPE_SATA, sata_curr_device, blk, 94 cnt, (ulong *)addr); 95 96 printf("%ld blocks read: %s\n", 97 n, (n==cnt) ? "OK" : "ERROR"); 98 return (n == cnt) ? 0 : 1; 99 } else if (strcmp(argv[1], "write") == 0) { 100 ulong addr = simple_strtoul(argv[2], NULL, 16); 101 ulong cnt = simple_strtoul(argv[4], NULL, 16); 102 ulong n; 103 104 lbaint_t blk = simple_strtoul(argv[3], NULL, 16); 105 106 printf("\nSATA write: device %d block # %ld, count %ld ... ", 107 sata_curr_device, blk, cnt); 108 109 n = blk_write_devnum(IF_TYPE_SATA, sata_curr_device, 110 blk, cnt, (ulong *)addr); 111 112 printf("%ld blocks written: %s\n", 113 n, (n == cnt) ? "OK" : "ERROR"); 114 return (n == cnt) ? 0 : 1; 115 } else { 116 return CMD_RET_USAGE; 117 } 118 119 return rc; 120 } 121 } 122 123 U_BOOT_CMD( 124 sata, 5, 1, do_sata, 125 "SATA sub system", 126 "init - init SATA sub system\n" 127 "sata stop - disable SATA sub system\n" 128 "sata info - show available SATA devices\n" 129 "sata device [dev] - show or set current device\n" 130 "sata part [dev] - print partition table\n" 131 "sata read addr blk# cnt\n" 132 "sata write addr blk# cnt" 133 ); 134