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>
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 static int sata_curr_device
= -1;
32 block_dev_desc_t sata_dev_desc
[CONFIG_SYS_SATA_MAX_DEVICE
];
34 int __sata_initialize(void)
39 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; i
++) {
40 memset(&sata_dev_desc
[i
], 0, sizeof(struct block_dev_desc
));
41 sata_dev_desc
[i
].if_type
= IF_TYPE_SATA
;
42 sata_dev_desc
[i
].dev
= i
;
43 sata_dev_desc
[i
].part_type
= PART_TYPE_UNKNOWN
;
44 sata_dev_desc
[i
].type
= DEV_TYPE_HARDDISK
;
45 sata_dev_desc
[i
].lba
= 0;
46 sata_dev_desc
[i
].blksz
= 512;
47 sata_dev_desc
[i
].log2blksz
= LOG2(sata_dev_desc
[i
].blksz
);
48 sata_dev_desc
[i
].block_read
= sata_read
;
49 sata_dev_desc
[i
].block_write
= sata_write
;
54 if (!rc
&& (sata_dev_desc
[i
].lba
> 0) &&
55 (sata_dev_desc
[i
].blksz
> 0))
56 init_part(&sata_dev_desc
[i
]);
62 int sata_initialize(void) __attribute__((weak
,alias("__sata_initialize")));
64 #ifdef CONFIG_PARTITIONS
65 block_dev_desc_t
*sata_get_dev(int dev
)
67 return (dev
< CONFIG_SYS_SATA_MAX_DEVICE
) ? &sata_dev_desc
[dev
] : NULL
;
71 static int do_sata(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
75 if (argc
== 2 && strcmp(argv
[1], "init") == 0)
76 return sata_initialize();
78 /* If the user has not yet run `sata init`, do it now */
79 if (sata_curr_device
== -1)
80 if (sata_initialize())
88 if (strncmp(argv
[1],"inf", 3) == 0) {
91 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; ++i
) {
92 if (sata_dev_desc
[i
].type
== DEV_TYPE_UNKNOWN
)
94 printf ("SATA device %d: ", i
);
95 dev_print(&sata_dev_desc
[i
]);
98 } else if (strncmp(argv
[1],"dev", 3) == 0) {
99 if ((sata_curr_device
< 0) || (sata_curr_device
>= CONFIG_SYS_SATA_MAX_DEVICE
)) {
100 puts("\nno SATA devices available\n");
103 printf("\nSATA device %d: ", sata_curr_device
);
104 dev_print(&sata_dev_desc
[sata_curr_device
]);
106 } else if (strncmp(argv
[1],"part",4) == 0) {
109 for (ok
= 0, dev
= 0; dev
< CONFIG_SYS_SATA_MAX_DEVICE
; ++dev
) {
110 if (sata_dev_desc
[dev
].part_type
!= PART_TYPE_UNKNOWN
) {
114 print_part(&sata_dev_desc
[dev
]);
118 puts("\nno SATA devices available\n");
123 return CMD_RET_USAGE
;
125 if (strncmp(argv
[1], "dev", 3) == 0) {
126 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
128 printf("\nSATA device %d: ", dev
);
129 if (dev
>= CONFIG_SYS_SATA_MAX_DEVICE
) {
130 puts ("unknown device\n");
133 dev_print(&sata_dev_desc
[dev
]);
135 if (sata_dev_desc
[dev
].type
== DEV_TYPE_UNKNOWN
)
138 sata_curr_device
= dev
;
140 puts("... is now current device\n");
143 } else if (strncmp(argv
[1], "part", 4) == 0) {
144 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
146 if (sata_dev_desc
[dev
].part_type
!= PART_TYPE_UNKNOWN
) {
147 print_part(&sata_dev_desc
[dev
]);
149 printf("\nSATA device %d not available\n", dev
);
154 return CMD_RET_USAGE
;
156 default: /* at least 4 args */
157 if (strcmp(argv
[1], "read") == 0) {
158 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
159 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
161 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
163 printf("\nSATA read: device %d block # %ld, count %ld ... ",
164 sata_curr_device
, blk
, cnt
);
166 n
= sata_read(sata_curr_device
, blk
, cnt
, (u32
*)addr
);
168 /* flush cache after read */
169 flush_cache(addr
, cnt
* sata_dev_desc
[sata_curr_device
].blksz
);
171 printf("%ld blocks read: %s\n",
172 n
, (n
==cnt
) ? "OK" : "ERROR");
173 return (n
== cnt
) ? 0 : 1;
174 } else if (strcmp(argv
[1], "write") == 0) {
175 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
176 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
179 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
181 printf("\nSATA write: device %d block # %ld, count %ld ... ",
182 sata_curr_device
, blk
, cnt
);
184 n
= sata_write(sata_curr_device
, blk
, cnt
, (u32
*)addr
);
186 printf("%ld blocks written: %s\n",
187 n
, (n
== cnt
) ? "OK" : "ERROR");
188 return (n
== cnt
) ? 0 : 1;
190 return CMD_RET_USAGE
;
200 "init - init SATA sub system\n"
201 "sata info - show available SATA devices\n"
202 "sata device [dev] - show or set current device\n"
203 "sata part [dev] - print partition table\n"
204 "sata read addr blk# cnt\n"
205 "sata write addr blk# cnt"