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 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
].block_read
= sata_read
;
48 sata_dev_desc
[i
].block_write
= sata_write
;
52 if ((sata_dev_desc
[i
].lba
> 0) && (sata_dev_desc
[i
].blksz
> 0))
53 init_part(&sata_dev_desc
[i
]);
58 int sata_initialize(void) __attribute__((weak
,alias("__sata_initialize")));
60 #ifdef CONFIG_PARTITIONS
61 block_dev_desc_t
*sata_get_dev(int dev
)
63 return (dev
< CONFIG_SYS_SATA_MAX_DEVICE
) ? &sata_dev_desc
[dev
] : NULL
;
67 int do_sata(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
71 if (argc
== 2 && strcmp(argv
[1], "init") == 0)
72 return sata_initialize();
74 /* If the user has not yet run `sata init`, do it now */
75 if (sata_curr_device
== -1)
76 if (sata_initialize())
84 if (strncmp(argv
[1],"inf", 3) == 0) {
87 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; ++i
) {
88 if (sata_dev_desc
[i
].type
== DEV_TYPE_UNKNOWN
)
90 printf ("SATA device %d: ", i
);
91 dev_print(&sata_dev_desc
[i
]);
94 } else if (strncmp(argv
[1],"dev", 3) == 0) {
95 if ((sata_curr_device
< 0) || (sata_curr_device
>= CONFIG_SYS_SATA_MAX_DEVICE
)) {
96 puts("\nno SATA devices available\n");
99 printf("\nSATA device %d: ", sata_curr_device
);
100 dev_print(&sata_dev_desc
[sata_curr_device
]);
102 } else if (strncmp(argv
[1],"part",4) == 0) {
105 for (ok
= 0, dev
= 0; dev
< CONFIG_SYS_SATA_MAX_DEVICE
; ++dev
) {
106 if (sata_dev_desc
[dev
].part_type
!= PART_TYPE_UNKNOWN
) {
110 print_part(&sata_dev_desc
[dev
]);
114 puts("\nno SATA devices available\n");
119 return CMD_RET_USAGE
;
121 if (strncmp(argv
[1], "dev", 3) == 0) {
122 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
124 printf("\nSATA device %d: ", dev
);
125 if (dev
>= CONFIG_SYS_SATA_MAX_DEVICE
) {
126 puts ("unknown device\n");
129 dev_print(&sata_dev_desc
[dev
]);
131 if (sata_dev_desc
[dev
].type
== DEV_TYPE_UNKNOWN
)
134 sata_curr_device
= dev
;
136 puts("... is now current device\n");
139 } else if (strncmp(argv
[1], "part", 4) == 0) {
140 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
142 if (sata_dev_desc
[dev
].part_type
!= PART_TYPE_UNKNOWN
) {
143 print_part(&sata_dev_desc
[dev
]);
145 printf("\nSATA device %d not available\n", dev
);
150 return CMD_RET_USAGE
;
152 default: /* at least 4 args */
153 if (strcmp(argv
[1], "read") == 0) {
154 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
155 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
157 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
159 printf("\nSATA read: device %d block # %ld, count %ld ... ",
160 sata_curr_device
, blk
, cnt
);
162 n
= sata_read(sata_curr_device
, blk
, cnt
, (u32
*)addr
);
164 /* flush cache after read */
165 flush_cache(addr
, cnt
* sata_dev_desc
[sata_curr_device
].blksz
);
167 printf("%ld blocks read: %s\n",
168 n
, (n
==cnt
) ? "OK" : "ERROR");
169 return (n
== cnt
) ? 0 : 1;
170 } else if (strcmp(argv
[1], "write") == 0) {
171 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
172 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
175 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
177 printf("\nSATA write: device %d block # %ld, count %ld ... ",
178 sata_curr_device
, blk
, cnt
);
180 n
= sata_write(sata_curr_device
, blk
, cnt
, (u32
*)addr
);
182 printf("%ld blocks written: %s\n",
183 n
, (n
== cnt
) ? "OK" : "ERROR");
184 return (n
== cnt
) ? 0 : 1;
186 return CMD_RET_USAGE
;
196 "sata init - init SATA sub system\n"
197 "sata info - show available SATA devices\n"
198 "sata device [dev] - show or set current device\n"
199 "sata part [dev] - print partition table\n"
200 "sata read addr blk# cnt\n"
201 "sata write addr blk# cnt"