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+
17 struct blk_desc sata_dev_desc
[CONFIG_SYS_SATA_MAX_DEVICE
];
19 #ifdef CONFIG_PARTITIONS
20 struct blk_desc
*sata_get_dev(int dev
)
22 return (dev
< CONFIG_SYS_SATA_MAX_DEVICE
) ? &sata_dev_desc
[dev
] : NULL
;
27 static unsigned long sata_bread(struct udevice
*dev
, lbaint_t start
,
28 lbaint_t blkcnt
, void *dst
)
33 static unsigned long sata_bwrite(struct udevice
*dev
, lbaint_t start
,
34 lbaint_t blkcnt
, const void *buffer
)
39 static unsigned long sata_bread(struct blk_desc
*block_dev
, lbaint_t start
,
40 lbaint_t blkcnt
, void *dst
)
42 return sata_read(block_dev
->devnum
, start
, blkcnt
, dst
);
45 static unsigned long sata_bwrite(struct blk_desc
*block_dev
, lbaint_t start
,
46 lbaint_t blkcnt
, const void *buffer
)
48 return sata_write(block_dev
->devnum
, start
, blkcnt
, buffer
);
52 int __sata_initialize(void)
57 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; i
++) {
58 memset(&sata_dev_desc
[i
], 0, sizeof(struct blk_desc
));
59 sata_dev_desc
[i
].if_type
= IF_TYPE_SATA
;
60 sata_dev_desc
[i
].devnum
= i
;
61 sata_dev_desc
[i
].part_type
= PART_TYPE_UNKNOWN
;
62 sata_dev_desc
[i
].type
= DEV_TYPE_HARDDISK
;
63 sata_dev_desc
[i
].lba
= 0;
64 sata_dev_desc
[i
].blksz
= 512;
65 sata_dev_desc
[i
].log2blksz
= LOG2(sata_dev_desc
[i
].blksz
);
67 sata_dev_desc
[i
].block_read
= sata_bread
;
68 sata_dev_desc
[i
].block_write
= sata_bwrite
;
73 if (!rc
&& sata_dev_desc
[i
].lba
> 0 &&
74 sata_dev_desc
[i
].blksz
> 0)
75 part_init(&sata_dev_desc
[i
]);
81 int sata_initialize(void) __attribute__((weak
, alias("__sata_initialize")));
83 __weak
int __sata_stop(void)
87 for (i
= 0; i
< CONFIG_SYS_SATA_MAX_DEVICE
; i
++)
91 printf("Could not reset some SATA devices\n");
95 int sata_stop(void) __attribute__((weak
, alias("__sata_stop")));
98 static const struct blk_ops sata_blk_ops
= {
100 .write
= sata_bwrite
,
103 U_BOOT_DRIVER(sata_blk
) = {
106 .ops
= &sata_blk_ops
,
109 U_BOOT_LEGACY_BLK(sata
) = {
110 .if_typename
= "sata",
111 .if_type
= IF_TYPE_SATA
,
112 .max_devs
= CONFIG_SYS_SATA_MAX_DEVICE
,
113 .desc
= sata_dev_desc
,