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d97dc8a0 SG |
1 | /* |
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> | |
9 | * | |
10 | * SPDX-License-Identifier: GPL-2.0+ | |
11 | */ | |
12 | ||
13 | #include <common.h> | |
f5a14af9 | 14 | #include <dm.h> |
d97dc8a0 SG |
15 | #include <sata.h> |
16 | ||
17 | struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE]; | |
18 | ||
19 | #ifdef CONFIG_PARTITIONS | |
20 | struct blk_desc *sata_get_dev(int dev) | |
21 | { | |
22 | return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL; | |
23 | } | |
24 | #endif | |
25 | ||
f5a14af9 SG |
26 | #ifdef CONFIG_BLK |
27 | static unsigned long sata_bread(struct udevice *dev, lbaint_t start, | |
28 | lbaint_t blkcnt, void *dst) | |
29 | { | |
30 | return -ENOSYS; | |
31 | } | |
32 | ||
33 | static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start, | |
34 | lbaint_t blkcnt, const void *buffer) | |
35 | { | |
36 | return -ENOSYS; | |
37 | } | |
38 | #else | |
d97dc8a0 SG |
39 | static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start, |
40 | lbaint_t blkcnt, void *dst) | |
41 | { | |
42 | return sata_read(block_dev->devnum, start, blkcnt, dst); | |
43 | } | |
44 | ||
45 | static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start, | |
46 | lbaint_t blkcnt, const void *buffer) | |
47 | { | |
48 | return sata_write(block_dev->devnum, start, blkcnt, buffer); | |
49 | } | |
f5a14af9 | 50 | #endif |
d97dc8a0 SG |
51 | |
52 | int __sata_initialize(void) | |
53 | { | |
aa6ab905 | 54 | int rc, ret = -1; |
d97dc8a0 SG |
55 | int i; |
56 | ||
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); | |
f5a14af9 | 66 | #ifndef CONFIG_BLK |
d97dc8a0 SG |
67 | sata_dev_desc[i].block_read = sata_bread; |
68 | sata_dev_desc[i].block_write = sata_bwrite; | |
f5a14af9 | 69 | #endif |
d97dc8a0 SG |
70 | rc = init_sata(i); |
71 | if (!rc) { | |
72 | rc = scan_sata(i); | |
73 | if (!rc && sata_dev_desc[i].lba > 0 && | |
aa6ab905 | 74 | sata_dev_desc[i].blksz > 0) { |
d97dc8a0 | 75 | part_init(&sata_dev_desc[i]); |
aa6ab905 TY |
76 | ret = i; |
77 | } | |
d97dc8a0 SG |
78 | } |
79 | } | |
80 | ||
aa6ab905 | 81 | return ret; |
d97dc8a0 SG |
82 | } |
83 | int sata_initialize(void) __attribute__((weak, alias("__sata_initialize"))); | |
84 | ||
85 | __weak int __sata_stop(void) | |
86 | { | |
87 | int i, err = 0; | |
88 | ||
89 | for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) | |
90 | err |= reset_sata(i); | |
91 | ||
92 | if (err) | |
93 | printf("Could not reset some SATA devices\n"); | |
94 | ||
95 | return err; | |
96 | } | |
97 | int sata_stop(void) __attribute__((weak, alias("__sata_stop"))); | |
98 | ||
f5a14af9 SG |
99 | #ifdef CONFIG_BLK |
100 | static const struct blk_ops sata_blk_ops = { | |
101 | .read = sata_bread, | |
102 | .write = sata_bwrite, | |
103 | }; | |
104 | ||
105 | U_BOOT_DRIVER(sata_blk) = { | |
106 | .name = "sata_blk", | |
107 | .id = UCLASS_BLK, | |
108 | .ops = &sata_blk_ops, | |
109 | }; | |
110 | #else | |
d97dc8a0 SG |
111 | U_BOOT_LEGACY_BLK(sata) = { |
112 | .if_typename = "sata", | |
113 | .if_type = IF_TYPE_SATA, | |
114 | .max_devs = CONFIG_SYS_SATA_MAX_DEVICE, | |
115 | .desc = sata_dev_desc, | |
116 | }; | |
f5a14af9 | 117 | #endif |