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 #ifdef CONFIG_PARTITIONS
52 block_dev_desc_t
*sata_get_dev(int dev
)
54 return (dev
< CONFIG_SYS_SATA_MAX_DEVICE
) ? &sata_dev_desc
[dev
] : NULL
;
58 static int do_sata(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
62 if (argc
== 2 && strcmp(argv
[1], "init") == 0)
63 return sata_initialize();
65 /* If the user has not yet run `sata init`, do it now */
66 if (sata_curr_device
== -1)
67 if (sata_initialize())
75 if (strncmp(argv
[1],"inf", 3) == 0) {
78 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; ++i
) {
79 if (sata_dev_desc
[i
].type
== DEV_TYPE_UNKNOWN
)
81 printf ("SATA device %d: ", i
);
82 dev_print(&sata_dev_desc
[i
]);
85 } else if (strncmp(argv
[1],"dev", 3) == 0) {
86 if ((sata_curr_device
< 0) || (sata_curr_device
>= CONFIG_SYS_SATA_MAX_DEVICE
)) {
87 puts("\nno SATA devices available\n");
90 printf("\nSATA device %d: ", sata_curr_device
);
91 dev_print(&sata_dev_desc
[sata_curr_device
]);
93 } else if (strncmp(argv
[1],"part",4) == 0) {
96 for (ok
= 0, dev
= 0; dev
< CONFIG_SYS_SATA_MAX_DEVICE
; ++dev
) {
97 if (sata_dev_desc
[dev
].part_type
!= PART_TYPE_UNKNOWN
) {
101 print_part(&sata_dev_desc
[dev
]);
105 puts("\nno SATA devices available\n");
110 return CMD_RET_USAGE
;
112 if (strncmp(argv
[1], "dev", 3) == 0) {
113 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
115 printf("\nSATA device %d: ", dev
);
116 if (dev
>= CONFIG_SYS_SATA_MAX_DEVICE
) {
117 puts ("unknown device\n");
120 dev_print(&sata_dev_desc
[dev
]);
122 if (sata_dev_desc
[dev
].type
== DEV_TYPE_UNKNOWN
)
125 sata_curr_device
= dev
;
127 puts("... is now current device\n");
130 } else if (strncmp(argv
[1], "part", 4) == 0) {
131 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
133 if (sata_dev_desc
[dev
].part_type
!= PART_TYPE_UNKNOWN
) {
134 print_part(&sata_dev_desc
[dev
]);
136 printf("\nSATA device %d not available\n", dev
);
141 return CMD_RET_USAGE
;
143 default: /* at least 4 args */
144 if (strcmp(argv
[1], "read") == 0) {
145 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
146 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
148 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
150 printf("\nSATA read: device %d block # %ld, count %ld ... ",
151 sata_curr_device
, blk
, cnt
);
153 n
= sata_read(sata_curr_device
, blk
, cnt
, (u32
*)addr
);
155 /* flush cache after read */
156 flush_cache(addr
, cnt
* sata_dev_desc
[sata_curr_device
].blksz
);
158 printf("%ld blocks read: %s\n",
159 n
, (n
==cnt
) ? "OK" : "ERROR");
160 return (n
== cnt
) ? 0 : 1;
161 } else if (strcmp(argv
[1], "write") == 0) {
162 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
163 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
166 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
168 printf("\nSATA write: device %d block # %ld, count %ld ... ",
169 sata_curr_device
, blk
, cnt
);
171 n
= sata_write(sata_curr_device
, blk
, cnt
, (u32
*)addr
);
173 printf("%ld blocks written: %s\n",
174 n
, (n
== cnt
) ? "OK" : "ERROR");
175 return (n
== cnt
) ? 0 : 1;
177 return CMD_RET_USAGE
;
187 "init - init SATA sub system\n"
188 "sata info - show available SATA devices\n"
189 "sata device [dev] - show or set current device\n"
190 "sata part [dev] - print partition table\n"
191 "sata read addr blk# cnt\n"
192 "sata write addr blk# cnt"