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 <blk.h>
15 #include <dm.h>
16 #include <part.h>
17 #include <sata.h>
18
19 #ifndef CONFIG_AHCI
20 struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
21 #endif
22
sata_reset(struct udevice * dev)23 int sata_reset(struct udevice *dev)
24 {
25 struct ahci_ops *ops = ahci_get_ops(dev);
26
27 if (!ops->reset)
28 return -ENOSYS;
29
30 return ops->reset(dev);
31 }
32
sata_dm_port_status(struct udevice * dev,int port)33 int sata_dm_port_status(struct udevice *dev, int port)
34 {
35 struct ahci_ops *ops = ahci_get_ops(dev);
36
37 if (!ops->port_status)
38 return -ENOSYS;
39
40 return ops->port_status(dev, port);
41 }
42
sata_scan(struct udevice * dev)43 int sata_scan(struct udevice *dev)
44 {
45 struct ahci_ops *ops = ahci_get_ops(dev);
46
47 if (!ops->scan)
48 return -ENOSYS;
49
50 return ops->scan(dev);
51 }
52
53 #ifndef CONFIG_AHCI
54 #ifdef CONFIG_PARTITIONS
sata_get_dev(int dev)55 struct blk_desc *sata_get_dev(int dev)
56 {
57 return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
58 }
59 #endif
60 #endif
61
62 #ifdef CONFIG_BLK
sata_bread(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,void * dst)63 static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
64 lbaint_t blkcnt, void *dst)
65 {
66 return -ENOSYS;
67 }
68
sata_bwrite(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,const void * buffer)69 static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start,
70 lbaint_t blkcnt, const void *buffer)
71 {
72 return -ENOSYS;
73 }
74 #else
sata_bread(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt,void * dst)75 static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start,
76 lbaint_t blkcnt, void *dst)
77 {
78 return sata_read(block_dev->devnum, start, blkcnt, dst);
79 }
80
sata_bwrite(struct blk_desc * block_dev,lbaint_t start,lbaint_t blkcnt,const void * buffer)81 static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start,
82 lbaint_t blkcnt, const void *buffer)
83 {
84 return sata_write(block_dev->devnum, start, blkcnt, buffer);
85 }
86 #endif
87
88 #ifndef CONFIG_AHCI
__sata_initialize(void)89 int __sata_initialize(void)
90 {
91 int rc, ret = -1;
92 int i;
93
94 for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) {
95 memset(&sata_dev_desc[i], 0, sizeof(struct blk_desc));
96 sata_dev_desc[i].if_type = IF_TYPE_SATA;
97 sata_dev_desc[i].devnum = i;
98 sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
99 sata_dev_desc[i].type = DEV_TYPE_HARDDISK;
100 sata_dev_desc[i].lba = 0;
101 sata_dev_desc[i].blksz = 512;
102 sata_dev_desc[i].log2blksz = LOG2(sata_dev_desc[i].blksz);
103 #ifndef CONFIG_BLK
104 sata_dev_desc[i].block_read = sata_bread;
105 sata_dev_desc[i].block_write = sata_bwrite;
106 #endif
107 rc = init_sata(i);
108 if (!rc) {
109 rc = scan_sata(i);
110 if (!rc && sata_dev_desc[i].lba > 0 &&
111 sata_dev_desc[i].blksz > 0) {
112 part_init(&sata_dev_desc[i]);
113 ret = i;
114 }
115 }
116 }
117
118 return ret;
119 }
120 int sata_initialize(void) __attribute__((weak, alias("__sata_initialize")));
121
__sata_stop(void)122 __weak int __sata_stop(void)
123 {
124 int i, err = 0;
125
126 for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++)
127 err |= reset_sata(i);
128
129 if (err)
130 printf("Could not reset some SATA devices\n");
131
132 return err;
133 }
134 int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
135 #endif
136
137 #ifdef CONFIG_BLK
138 static const struct blk_ops sata_blk_ops = {
139 .read = sata_bread,
140 .write = sata_bwrite,
141 };
142
143 U_BOOT_DRIVER(sata_blk) = {
144 .name = "sata_blk",
145 .id = UCLASS_BLK,
146 .ops = &sata_blk_ops,
147 };
148 #else
149 U_BOOT_LEGACY_BLK(sata) = {
150 .if_typename = "sata",
151 .if_type = IF_TYPE_SATA,
152 .max_devs = CONFIG_SYS_SATA_MAX_DEVICE,
153 .desc = sata_dev_desc,
154 };
155 #endif
156