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
sata_bread(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,void * dst)62 static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
63 lbaint_t blkcnt, void *dst)
64 {
65 return -ENOSYS;
66 }
67
sata_bwrite(struct udevice * dev,lbaint_t start,lbaint_t blkcnt,const void * buffer)68 static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start,
69 lbaint_t blkcnt, const void *buffer)
70 {
71 return -ENOSYS;
72 }
73
74 #ifndef CONFIG_AHCI
__sata_initialize(void)75 int __sata_initialize(void)
76 {
77 int rc, ret = -1;
78 int i;
79
80 for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) {
81 memset(&sata_dev_desc[i], 0, sizeof(struct blk_desc));
82 sata_dev_desc[i].uclass_id = UCLASS_AHCI;
83 sata_dev_desc[i].devnum = i;
84 sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
85 sata_dev_desc[i].type = DEV_TYPE_HARDDISK;
86 sata_dev_desc[i].lba = 0;
87 sata_dev_desc[i].blksz = 512;
88 sata_dev_desc[i].log2blksz = LOG2(sata_dev_desc[i].blksz);
89 rc = init_sata(i);
90 if (!rc) {
91 rc = scan_sata(i);
92 if (!rc && sata_dev_desc[i].lba > 0 &&
93 sata_dev_desc[i].blksz > 0) {
94 part_init(&sata_dev_desc[i]);
95 ret = i;
96 }
97 }
98 }
99
100 return ret;
101 }
102 int sata_initialize(void) __attribute__((weak, alias("__sata_initialize")));
103
__sata_stop(void)104 __weak int __sata_stop(void)
105 {
106 int i, err = 0;
107
108 for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++)
109 err |= reset_sata(i);
110
111 if (err)
112 printf("Could not reset some SATA devices\n");
113
114 return err;
115 }
116 int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
117 #endif
118
119 static const struct blk_ops sata_blk_ops = {
120 .read = sata_bread,
121 .write = sata_bwrite,
122 };
123
124 U_BOOT_DRIVER(sata_blk) = {
125 .name = "sata_blk",
126 .id = UCLASS_BLK,
127 .ops = &sata_blk_ops,
128 };
129