Prepare v2016.09-rc1
[platform/kernel/u-boot.git] / cmd / ide.c
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");