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() < 0) ? 32 CMD_RET_FAILURE : CMD_RET_SUCCESS; 33 } 34 35 /* If the user has not yet run `sata init`, do it now */ 36 if (sata_curr_device == -1) { 37 rc = sata_initialize(); 38 if (rc == -1) 39 return CMD_RET_FAILURE; 40 sata_curr_device = rc; 41 } 42 43 switch (argc) { 44 case 0: 45 case 1: 46 return CMD_RET_USAGE; 47 case 2: 48 if (strncmp(argv[1], "inf", 3) == 0) { 49 blk_list_devices(IF_TYPE_SATA); 50 return 0; 51 } else if (strncmp(argv[1], "dev", 3) == 0) { 52 if (blk_print_device_num(IF_TYPE_SATA, 53 sata_curr_device)) { 54 printf("\nno SATA devices available\n"); 55 return CMD_RET_FAILURE; 56 } 57 return 0; 58 } else if (strncmp(argv[1], "part", 4) == 0) { 59 if (blk_list_part(IF_TYPE_SATA)) 60 puts("\nno SATA devices available\n"); 61 return 0; 62 } 63 return CMD_RET_USAGE; 64 case 3: 65 if (strncmp(argv[1], "dev", 3) == 0) { 66 int dev = (int)simple_strtoul(argv[2], NULL, 10); 67 68 if (!blk_show_device(IF_TYPE_SATA, dev)) { 69 sata_curr_device = dev; 70 printf("... is now current device\n"); 71 } else { 72 return CMD_RET_FAILURE; 73 } 74 return 0; 75 } else if (strncmp(argv[1], "part", 4) == 0) { 76 int dev = (int)simple_strtoul(argv[2], NULL, 10); 77 78 if (blk_print_part_devnum(IF_TYPE_SATA, dev)) { 79 printf("\nSATA device %d not available\n", 80 dev); 81 return CMD_RET_FAILURE; 82 } 83 return rc; 84 } 85 return CMD_RET_USAGE; 86 87 default: /* at least 4 args */ 88 if (strcmp(argv[1], "read") == 0) { 89 ulong addr = simple_strtoul(argv[2], NULL, 16); 90 ulong cnt = simple_strtoul(argv[4], NULL, 16); 91 ulong n; 92 lbaint_t blk = simple_strtoul(argv[3], NULL, 16); 93 94 printf("\nSATA read: device %d block # %ld, count %ld ... ", 95 sata_curr_device, blk, cnt); 96 97 n = blk_read_devnum(IF_TYPE_SATA, sata_curr_device, blk, 98 cnt, (ulong *)addr); 99 100 printf("%ld blocks read: %s\n", 101 n, (n==cnt) ? "OK" : "ERROR"); 102 return (n == cnt) ? 0 : 1; 103 } else if (strcmp(argv[1], "write") == 0) { 104 ulong addr = simple_strtoul(argv[2], NULL, 16); 105 ulong cnt = simple_strtoul(argv[4], NULL, 16); 106 ulong n; 107 108 lbaint_t blk = simple_strtoul(argv[3], NULL, 16); 109 110 printf("\nSATA write: device %d block # %ld, count %ld ... ", 111 sata_curr_device, blk, cnt); 112 113 n = blk_write_devnum(IF_TYPE_SATA, sata_curr_device, 114 blk, cnt, (ulong *)addr); 115 116 printf("%ld blocks written: %s\n", 117 n, (n == cnt) ? "OK" : "ERROR"); 118 return (n == cnt) ? 0 : 1; 119 } else { 120 return CMD_RET_USAGE; 121 } 122 123 return rc; 124 } 125 } 126 127 U_BOOT_CMD( 128 sata, 5, 1, do_sata, 129 "SATA sub system", 130 "init - init SATA sub system\n" 131 "sata stop - disable SATA sub system\n" 132 "sata info - show available SATA devices\n" 133 "sata device [dev] - show or set current device\n" 134 "sata part [dev] - print partition table\n" 135 "sata read addr blk# cnt\n" 136 "sata write addr blk# cnt" 137 ); 138