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Simon Glassd97dc8a2016-05-01 11:36:11 -06001/*
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>
Simon Glassf5a14af2016-05-01 11:36:26 -060014#include <dm.h>
Simon Glassd97dc8a2016-05-01 11:36:11 -060015#include <sata.h>
16
17struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
18
19#ifdef CONFIG_PARTITIONS
20struct 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
Simon Glassf5a14af2016-05-01 11:36:26 -060026#ifdef CONFIG_BLK
27static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
28 lbaint_t blkcnt, void *dst)
29{
30 return -ENOSYS;
31}
32
33static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start,
34 lbaint_t blkcnt, const void *buffer)
35{
36 return -ENOSYS;
37}
38#else
Simon Glassd97dc8a2016-05-01 11:36:11 -060039static 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
45static 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}
Simon Glassf5a14af2016-05-01 11:36:26 -060050#endif
Simon Glassd97dc8a2016-05-01 11:36:11 -060051
52int __sata_initialize(void)
53{
Tang Yuantianaa6ab902016-11-21 10:24:20 +080054 int rc, ret = -1;
Simon Glassd97dc8a2016-05-01 11:36:11 -060055 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);
Simon Glassf5a14af2016-05-01 11:36:26 -060066#ifndef CONFIG_BLK
Simon Glassd97dc8a2016-05-01 11:36:11 -060067 sata_dev_desc[i].block_read = sata_bread;
68 sata_dev_desc[i].block_write = sata_bwrite;
Simon Glassf5a14af2016-05-01 11:36:26 -060069#endif
Simon Glassd97dc8a2016-05-01 11:36:11 -060070 rc = init_sata(i);
71 if (!rc) {
72 rc = scan_sata(i);
73 if (!rc && sata_dev_desc[i].lba > 0 &&
Tang Yuantianaa6ab902016-11-21 10:24:20 +080074 sata_dev_desc[i].blksz > 0) {
Simon Glassd97dc8a2016-05-01 11:36:11 -060075 part_init(&sata_dev_desc[i]);
Tang Yuantianaa6ab902016-11-21 10:24:20 +080076 ret = i;
77 }
Simon Glassd97dc8a2016-05-01 11:36:11 -060078 }
79 }
80
Tang Yuantianaa6ab902016-11-21 10:24:20 +080081 return ret;
Simon Glassd97dc8a2016-05-01 11:36:11 -060082}
83int 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}
97int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
98
Simon Glassf5a14af2016-05-01 11:36:26 -060099#ifdef CONFIG_BLK
100static const struct blk_ops sata_blk_ops = {
101 .read = sata_bread,
102 .write = sata_bwrite,
103};
104
105U_BOOT_DRIVER(sata_blk) = {
106 .name = "sata_blk",
107 .id = UCLASS_BLK,
108 .ops = &sata_blk_ops,
109};
110#else
Simon Glassd97dc8a2016-05-01 11:36:11 -0600111U_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};
Simon Glassf5a14af2016-05-01 11:36:26 -0600117#endif