1 // SPDX-License-Identifier: GPL-2.0+
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>
20 struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
23 int sata_reset(struct udevice *dev)
25 struct ahci_ops *ops = ahci_get_ops(dev);
30 return ops->reset(dev);
33 int sata_dm_port_status(struct udevice *dev, int port)
35 struct ahci_ops *ops = ahci_get_ops(dev);
37 if (!ops->port_status)
40 return ops->port_status(dev, port);
43 int sata_scan(struct udevice *dev)
45 struct ahci_ops *ops = ahci_get_ops(dev);
50 return ops->scan(dev);
54 #ifdef CONFIG_PARTITIONS
55 struct blk_desc *sata_get_dev(int dev)
57 return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
63 static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
64 lbaint_t blkcnt, void *dst)
69 static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start,
70 lbaint_t blkcnt, const void *buffer)
75 static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start,
76 lbaint_t blkcnt, void *dst)
78 return sata_read(block_dev->devnum, start, blkcnt, dst);
81 static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start,
82 lbaint_t blkcnt, const void *buffer)
84 return sata_write(block_dev->devnum, start, blkcnt, buffer);
89 int __sata_initialize(void)
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);
104 sata_dev_desc[i].block_read = sata_bread;
105 sata_dev_desc[i].block_write = sata_bwrite;
110 if (!rc && sata_dev_desc[i].lba > 0 &&
111 sata_dev_desc[i].blksz > 0) {
112 part_init(&sata_dev_desc[i]);
120 int sata_initialize(void) __attribute__((weak, alias("__sata_initialize")));
122 __weak int __sata_stop(void)
126 for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++)
127 err |= reset_sata(i);
130 printf("Could not reset some SATA devices\n");
134 int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
138 static const struct blk_ops sata_blk_ops = {
140 .write = sata_bwrite,
143 U_BOOT_DRIVER(sata_blk) = {
146 .ops = &sata_blk_ops,
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,