xref: /openbmc/u-boot/cmd/ide.c (revision cd7b6344)
1 /*
2  * (C) Copyright 2000-2011
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /*
9  * IDE support
10  */
11 
12 #include <common.h>
13 #include <blk.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 
21 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
22 # include <pcmcia.h>
23 #endif
24 
25 #include <ide.h>
26 #include <ata.h>
27 
28 #ifdef CONFIG_LED_STATUS
29 # include <status_led.h>
30 #endif
31 
32 /* Current I/O Device	*/
33 static int curr_device = -1;
34 
35 int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
36 {
37 	int rcode = 0;
38 
39 	switch (argc) {
40 	case 0:
41 	case 1:
42 		return CMD_RET_USAGE;
43 	case 2:
44 		if (strncmp(argv[1], "res", 3) == 0) {
45 			puts("\nReset IDE"
46 #ifdef CONFIG_IDE_8xx_DIRECT
47 			     " on PCMCIA " PCMCIA_SLOT_MSG
48 #endif
49 			     ": ");
50 
51 			ide_init();
52 			return 0;
53 		} else if (strncmp(argv[1], "inf", 3) == 0) {
54 			blk_list_devices(IF_TYPE_IDE);
55 			return 0;
56 
57 		} else if (strncmp(argv[1], "dev", 3) == 0) {
58 			if (blk_print_device_num(IF_TYPE_IDE, curr_device)) {
59 				printf("\nno IDE devices available\n");
60 				return CMD_RET_FAILURE;
61 			}
62 
63 			return 0;
64 		} else if (strncmp(argv[1], "part", 4) == 0) {
65 			if (blk_list_part(IF_TYPE_IDE))
66 				printf("\nno IDE devices available\n");
67 			return 1;
68 		}
69 		return CMD_RET_USAGE;
70 	case 3:
71 		if (strncmp(argv[1], "dev", 3) == 0) {
72 			int dev = (int)simple_strtoul(argv[2], NULL, 10);
73 
74 			if (!blk_show_device(IF_TYPE_IDE, dev)) {
75 				curr_device = dev;
76 				printf("... is now current device\n");
77 			} else {
78 				return CMD_RET_FAILURE;
79 			}
80 			return 0;
81 		} else if (strncmp(argv[1], "part", 4) == 0) {
82 			int dev = (int)simple_strtoul(argv[2], NULL, 10);
83 
84 			if (blk_print_part_devnum(IF_TYPE_IDE, dev)) {
85 				printf("\nIDE device %d not available\n", dev);
86 				return CMD_RET_FAILURE;
87 			}
88 			return 1;
89 		}
90 
91 		return CMD_RET_USAGE;
92 	default:
93 		/* at least 4 args */
94 
95 		if (strcmp(argv[1], "read") == 0) {
96 			ulong addr = simple_strtoul(argv[2], NULL, 16);
97 			ulong cnt = simple_strtoul(argv[4], NULL, 16);
98 			ulong n;
99 
100 #ifdef CONFIG_SYS_64BIT_LBA
101 			lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
102 
103 			printf("\nIDE read: device %d block # %lld, count %ld...",
104 			       curr_device, blk, cnt);
105 #else
106 			lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
107 
108 			printf("\nIDE read: device %d block # %ld, count %ld...",
109 			       curr_device, blk, cnt);
110 #endif
111 
112 			n = blk_read_devnum(IF_TYPE_IDE, curr_device, blk, cnt,
113 					    (ulong *)addr);
114 
115 			printf("%ld blocks read: %s\n",
116 			       n, (n == cnt) ? "OK" : "ERROR");
117 			if (n == cnt)
118 				return 0;
119 			else
120 				return 1;
121 		} else if (strcmp(argv[1], "write") == 0) {
122 			ulong addr = simple_strtoul(argv[2], NULL, 16);
123 			ulong cnt = simple_strtoul(argv[4], NULL, 16);
124 			ulong n;
125 
126 #ifdef CONFIG_SYS_64BIT_LBA
127 			lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
128 
129 			printf("\nIDE write: device %d block # %lld, count %ld...",
130 			       curr_device, blk, cnt);
131 #else
132 			lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
133 
134 			printf("\nIDE write: device %d block # %ld, count %ld...",
135 			       curr_device, blk, cnt);
136 #endif
137 			n = blk_write_devnum(IF_TYPE_IDE, curr_device, blk, cnt,
138 					     (ulong *)addr);
139 
140 			printf("%ld blocks written: %s\n", n,
141 			       n == cnt ? "OK" : "ERROR");
142 			if (n == cnt)
143 				return 0;
144 			else
145 				return 1;
146 		} else {
147 			return CMD_RET_USAGE;
148 		}
149 
150 		return rcode;
151 	}
152 }
153 
154 int do_diskboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
155 {
156 	return common_diskboot(cmdtp, "ide", argc, argv);
157 }
158 
159 U_BOOT_CMD(ide, 5, 1, do_ide,
160 	   "IDE sub-system",
161 	   "reset - reset IDE controller\n"
162 	   "ide info  - show available IDE devices\n"
163 	   "ide device [dev] - show or set current device\n"
164 	   "ide part [dev] - print partition table of one or all IDE devices\n"
165 	   "ide read  addr blk# cnt\n"
166 	   "ide write addr blk# cnt - read/write `cnt'"
167 	   " blocks starting at block `blk#'\n"
168 	   "    to/from memory address `addr'");
169 
170 U_BOOT_CMD(diskboot, 3, 1, do_diskboot,
171 	   "boot from IDE device", "loadAddr dev:part");
172