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>
10 * SPDX-License-Identifier: GPL-2.0+
17 struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
19 #ifdef CONFIG_PARTITIONS
20 struct blk_desc *sata_get_dev(int dev)
22 return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
27 static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
28 lbaint_t blkcnt, void *dst)
33 static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start,
34 lbaint_t blkcnt, const void *buffer)
39 static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start,
40 lbaint_t blkcnt, void *dst)
42 return sata_read(block_dev->devnum, start, blkcnt, dst);
45 static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start,
46 lbaint_t blkcnt, const void *buffer)
48 return sata_write(block_dev->devnum, start, blkcnt, buffer);
52 int __sata_initialize(void)
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);
67 sata_dev_desc[i].block_read = sata_bread;
68 sata_dev_desc[i].block_write = sata_bwrite;
73 if (!rc && sata_dev_desc[i].lba > 0 &&
74 sata_dev_desc[i].blksz > 0) {
75 part_init(&sata_dev_desc[i]);
83 int sata_initialize(void) __attribute__((weak, alias("__sata_initialize")));
85 __weak int __sata_stop(void)
89 for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++)
93 printf("Could not reset some SATA devices\n");
97 int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
100 static const struct blk_ops sata_blk_ops = {
102 .write = sata_bwrite,
105 U_BOOT_DRIVER(sata_blk) = {
108 .ops = &sata_blk_ops,
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,