projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| d97dc8a0 SG |
1 | /* |
| 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> | |
| f5a14af9 | 14 | #include <dm.h> |
| d97dc8a0 SG |
15 | #include <sata.h> |
| 16 | ||
| 17 | struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE]; | |
| 18 | ||
| 19 | #ifdef CONFIG_PARTITIONS | |
| 20 | struct 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 | ||
| f5a14af9 SG |
26 | #ifdef CONFIG_BLK |
| 27 | static unsigned long sata_bread(struct udevice *dev, lbaint_t start, | |
| 28 | lbaint_t blkcnt, void *dst) | |
| 29 | { | |
| 30 | return -ENOSYS; | |
| 31 | } | |
| 32 | ||
| 33 | static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start, | |
| 34 | lbaint_t blkcnt, const void *buffer) | |
| 35 | { | |
| 36 | return -ENOSYS; | |
| 37 | } | |
| 38 | #else | |
| d97dc8a0 SG |
39 | static 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 | ||
| 45 | static 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 | } | |
| f5a14af9 | 50 | #endif |
| d97dc8a0 SG |
51 | |
| 52 | int __sata_initialize(void) | |
| 53 | { | |
| 54 | int rc; | |
| 55 | 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); | |
| f5a14af9 | 66 | #ifndef CONFIG_BLK |
| d97dc8a0 SG |
67 | sata_dev_desc[i].block_read = sata_bread; |
| 68 | sata_dev_desc[i].block_write = sata_bwrite; | |
| f5a14af9 | 69 | #endif |
| d97dc8a0 SG |
70 | rc = init_sata(i); |
| 71 | if (!rc) { | |
| 72 | rc = scan_sata(i); | |
| 73 | if (!rc && sata_dev_desc[i].lba > 0 && | |
| 74 | sata_dev_desc[i].blksz > 0) | |
| 75 | part_init(&sata_dev_desc[i]); | |
| 76 | } | |
| 77 | } | |
| 78 | ||
| 79 | return rc; | |
| 80 | } | |
| 81 | int sata_initialize(void) __attribute__((weak, alias("__sata_initialize"))); | |
| 82 | ||
| 83 | __weak int __sata_stop(void) | |
| 84 | { | |
| 85 | int i, err = 0; | |
| 86 | ||
| 87 | for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) | |
| 88 | err |= reset_sata(i); | |
| 89 | ||
| 90 | if (err) | |
| 91 | printf("Could not reset some SATA devices\n"); | |
| 92 | ||
| 93 | return err; | |
| 94 | } | |
| 95 | int sata_stop(void) __attribute__((weak, alias("__sata_stop"))); | |
| 96 | ||
| f5a14af9 SG |
97 | #ifdef CONFIG_BLK |
| 98 | static const struct blk_ops sata_blk_ops = { | |
| 99 | .read = sata_bread, | |
| 100 | .write = sata_bwrite, | |
| 101 | }; | |
| 102 | ||
| 103 | U_BOOT_DRIVER(sata_blk) = { | |
| 104 | .name = "sata_blk", | |
| 105 | .id = UCLASS_BLK, | |
| 106 | .ops = &sata_blk_ops, | |
| 107 | }; | |
| 108 | #else | |
| d97dc8a0 SG |
109 | U_BOOT_LEGACY_BLK(sata) = { |
| 110 | .if_typename = "sata", | |
| 111 | .if_type = IF_TYPE_SATA, | |
| 112 | .max_devs = CONFIG_SYS_SATA_MAX_DEVICE, | |
| 113 | .desc = sata_dev_desc, | |
| 114 | }; | |
| f5a14af9 | 115 | #endif |