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