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 * SPDX-License-Identifier: GPL-2.0+
18 static int sata_curr_device
= -1;
19 block_dev_desc_t sata_dev_desc
[CONFIG_SYS_SATA_MAX_DEVICE
];
21 int __sata_initialize(void)
26 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; i
++) {
27 memset(&sata_dev_desc
[i
], 0, sizeof(struct block_dev_desc
));
28 sata_dev_desc
[i
].if_type
= IF_TYPE_SATA
;
29 sata_dev_desc
[i
].dev
= i
;
30 sata_dev_desc
[i
].part_type
= PART_TYPE_UNKNOWN
;
31 sata_dev_desc
[i
].type
= DEV_TYPE_HARDDISK
;
32 sata_dev_desc
[i
].lba
= 0;
33 sata_dev_desc
[i
].blksz
= 512;
34 sata_dev_desc
[i
].log2blksz
= LOG2(sata_dev_desc
[i
].blksz
);
35 sata_dev_desc
[i
].block_read
= sata_read
;
36 sata_dev_desc
[i
].block_write
= sata_write
;
41 if (!rc
&& (sata_dev_desc
[i
].lba
> 0) &&
42 (sata_dev_desc
[i
].blksz
> 0))
43 init_part(&sata_dev_desc
[i
]);
49 int sata_initialize(void) __attribute__((weak
,alias("__sata_initialize")));
51 __weak
int __sata_stop(void)
55 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; i
++)
59 printf("Could not reset some SATA devices\n");
63 int sata_stop(void) __attribute__((weak
, alias("__sata_stop")));
65 #ifdef CONFIG_PARTITIONS
66 block_dev_desc_t
*sata_get_dev(int dev
)
68 return (dev
< CONFIG_SYS_SATA_MAX_DEVICE
) ? &sata_dev_desc
[dev
] : NULL
;
72 static int do_sata(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
76 if (argc
== 2 && strcmp(argv
[1], "stop") == 0)
79 if (argc
== 2 && strcmp(argv
[1], "init") == 0) {
80 if (sata_curr_device
!= -1)
83 return sata_initialize();
86 /* If the user has not yet run `sata init`, do it now */
87 if (sata_curr_device
== -1)
88 if (sata_initialize())
96 if (strncmp(argv
[1],"inf", 3) == 0) {
99 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; ++i
) {
100 if (sata_dev_desc
[i
].type
== DEV_TYPE_UNKNOWN
)
102 printf ("SATA device %d: ", i
);
103 dev_print(&sata_dev_desc
[i
]);
106 } else if (strncmp(argv
[1],"dev", 3) == 0) {
107 if ((sata_curr_device
< 0) || (sata_curr_device
>= CONFIG_SYS_SATA_MAX_DEVICE
)) {
108 puts("\nno SATA devices available\n");
111 printf("\nSATA device %d: ", sata_curr_device
);
112 dev_print(&sata_dev_desc
[sata_curr_device
]);
114 } else if (strncmp(argv
[1],"part",4) == 0) {
117 for (ok
= 0, dev
= 0; dev
< CONFIG_SYS_SATA_MAX_DEVICE
; ++dev
) {
118 if (sata_dev_desc
[dev
].part_type
!= PART_TYPE_UNKNOWN
) {
122 print_part(&sata_dev_desc
[dev
]);
126 puts("\nno SATA devices available\n");
131 return CMD_RET_USAGE
;
133 if (strncmp(argv
[1], "dev", 3) == 0) {
134 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
136 printf("\nSATA device %d: ", dev
);
137 if (dev
>= CONFIG_SYS_SATA_MAX_DEVICE
) {
138 puts ("unknown device\n");
141 dev_print(&sata_dev_desc
[dev
]);
143 if (sata_dev_desc
[dev
].type
== DEV_TYPE_UNKNOWN
)
146 sata_curr_device
= dev
;
148 puts("... is now current device\n");
151 } else if (strncmp(argv
[1], "part", 4) == 0) {
152 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
154 if (sata_dev_desc
[dev
].part_type
!= PART_TYPE_UNKNOWN
) {
155 print_part(&sata_dev_desc
[dev
]);
157 printf("\nSATA device %d not available\n", dev
);
162 return CMD_RET_USAGE
;
164 default: /* at least 4 args */
165 if (strcmp(argv
[1], "read") == 0) {
166 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
167 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
169 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
171 printf("\nSATA read: device %d block # %ld, count %ld ... ",
172 sata_curr_device
, blk
, cnt
);
174 n
= sata_read(sata_curr_device
, blk
, cnt
, (u32
*)addr
);
176 /* flush cache after read */
177 flush_cache(addr
, cnt
* sata_dev_desc
[sata_curr_device
].blksz
);
179 printf("%ld blocks read: %s\n",
180 n
, (n
==cnt
) ? "OK" : "ERROR");
181 return (n
== cnt
) ? 0 : 1;
182 } else if (strcmp(argv
[1], "write") == 0) {
183 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
184 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
187 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
189 printf("\nSATA write: device %d block # %ld, count %ld ... ",
190 sata_curr_device
, blk
, cnt
);
192 n
= sata_write(sata_curr_device
, blk
, cnt
, (u32
*)addr
);
194 printf("%ld blocks written: %s\n",
195 n
, (n
== cnt
) ? "OK" : "ERROR");
196 return (n
== cnt
) ? 0 : 1;
198 return CMD_RET_USAGE
;
208 "init - init SATA sub system\n"
209 "sata stop - disable SATA sub system\n"
210 "sata info - show available SATA devices\n"
211 "sata device [dev] - show or set current device\n"
212 "sata part [dev] - print partition table\n"
213 "sata read addr blk# cnt\n"
214 "sata write addr blk# cnt"