1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2000-2005, DENX Software Engineering
4 * Wolfgang Denk <wd@denx.de>
5 * Copyright (C) Procsys. All rights reserved.
6 * Mushtaq Khan <mushtaq_k@procsys.com>
7 * <mushtaqk_921@yahoo.co.in>
8 * Copyright (C) 2008 Freescale Semiconductor, Inc.
9 * Dave Liu <daveliu@freescale.com>
10 */
11
12 #include <common.h>
13 #include <ahci.h>
14 #include <dm.h>
15 #include <sata.h>
16
17 #ifndef CONFIG_AHCI
18 struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
19 #endif
20
sata_reset(struct udevice * dev)21 int sata_reset(struct udevice *dev)
22 {
23 struct ahci_ops *ops = ahci_get_ops(dev);
24
25 if (!ops->reset)
26 return -ENOSYS;
27
28 return ops->reset(dev);
29 }
30
sata_dm_port_status(struct udevice * dev,int port)31 int sata_dm_port_status(struct udevice *dev, int port)
32 {
33 struct ahci_ops *ops = ahci_get_ops(dev);
34
35 if (!ops->port_status)
36 return -ENOSYS;
37
38 return ops->port_status(dev, port);
39 }
40
sata_scan(struct udevice * dev)41 int sata_scan(struct udevice *dev)
42 {
43 struct ahci_ops *ops = ahci_get_ops(dev);
44
45 if (!ops->scan)
46 return -ENOSYS;
47
48 return ops->scan(dev);
49 }
50
51 #ifndef CONFIG_AHCI
52 #ifdef CONFIG_PARTITIONS
sata_get_dev(int dev)53 struct blk_desc *sata_get_dev(int dev)
54 {
55 return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
56 }
57 #endif
58 #endif
59
60 #ifdef CONFIG_BLK
sata_bread(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,void * dst)61 static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
62 lbaint_t blkcnt, void *dst)
63 {
64 return -ENOSYS;
65 }
66
sata_bwrite(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,const void * buffer)67 static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start,
68 lbaint_t blkcnt, const void *buffer)
69 {
70 return -ENOSYS;
71 }
72 #else
sata_bread(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt,void * dst)73 static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start,
74 lbaint_t blkcnt, void *dst)
75 {
76 return sata_read(block_dev->devnum, start, blkcnt, dst);
77 }
78
sata_bwrite(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt,const void * buffer)79 static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start,
80 lbaint_t blkcnt, const void *buffer)
81 {
82 return sata_write(block_dev->devnum, start, blkcnt, buffer);
83 }
84 #endif
85
86 #ifndef CONFIG_AHCI
__sata_initialize(void)87 int __sata_initialize(void)
88 {
89 int rc, ret = -1;
90 int i;
91
92 for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) {
93 memset(&sata_dev_desc[i], 0, sizeof(struct blk_desc));
94 sata_dev_desc[i].if_type = IF_TYPE_SATA;
95 sata_dev_desc[i].devnum = i;
96 sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
97 sata_dev_desc[i].type = DEV_TYPE_HARDDISK;
98 sata_dev_desc[i].lba = 0;
99 sata_dev_desc[i].blksz = 512;
100 sata_dev_desc[i].log2blksz = LOG2(sata_dev_desc[i].blksz);
101 #ifndef CONFIG_BLK
102 sata_dev_desc[i].block_read = sata_bread;
103 sata_dev_desc[i].block_write = sata_bwrite;
104 #endif
105 rc = init_sata(i);
106 if (!rc) {
107 rc = scan_sata(i);
108 if (!rc && sata_dev_desc[i].lba > 0 &&
109 sata_dev_desc[i].blksz > 0) {
110 part_init(&sata_dev_desc[i]);
111 ret = i;
112 }
113 }
114 }
115
116 return ret;
117 }
118 int sata_initialize(void) __attribute__((weak, alias("__sata_initialize")));
119
__sata_stop(void)120 __weak int __sata_stop(void)
121 {
122 int i, err = 0;
123
124 for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++)
125 err |= reset_sata(i);
126
127 if (err)
128 printf("Could not reset some SATA devices\n");
129
130 return err;
131 }
132 int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
133 #endif
134
135 #ifdef CONFIG_BLK
136 static const struct blk_ops sata_blk_ops = {
137 .read = sata_bread,
138 .write = sata_bwrite,
139 };
140
141 U_BOOT_DRIVER(sata_blk) = {
142 .name = "sata_blk",
143 .id = UCLASS_BLK,
144 .ops = &sata_blk_ops,
145 };
146 #else
147 U_BOOT_LEGACY_BLK(sata) = {
148 .if_typename = "sata",
149 .if_type = IF_TYPE_SATA,
150 .max_devs = CONFIG_SYS_SATA_MAX_DEVICE,
151 .desc = sata_dev_desc,
152 };
153 #endif
154