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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_STATUS_LED
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");