projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| d97dc8a0 SG |
2 | /* |
| 3 | * Copyright (C) 2000-2005, DENX Software Engineering | |
| 4 | * Wolfgang Denk <[email protected]> | |
| 5 | * Copyright (C) Procsys. All rights reserved. | |
| 6 | * Mushtaq Khan <[email protected]> | |
| 7 | * <[email protected]> | |
| 8 | * Copyright (C) 2008 Freescale Semiconductor, Inc. | |
| 9 | * Dave Liu <[email protected]> | |
| d97dc8a0 SG |
10 | */ |
| 11 | ||
| 101d9a6a HS |
12 | #define LOG_CATEGORY UCLASS_AHCI |
| 13 | ||
| b8341f1c | 14 | #include <ahci.h> |
| e6f6f9e6 | 15 | #include <blk.h> |
| f5a14af9 | 16 | #include <dm.h> |
| 101d9a6a | 17 | #include <log.h> |
| e6f6f9e6 | 18 | #include <part.h> |
| d97dc8a0 | 19 | #include <sata.h> |
| a7527fbb TD |
20 | #include <dm/device-internal.h> |
| 21 | #include <dm/uclass-internal.h> | |
| d97dc8a0 | 22 | |
| b8341f1c SG |
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 | ||
| 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; | |
| d97dc8a0 | 39 | |
| b8341f1c SG |
40 | return ops->port_status(dev, port); |
| 41 | } | |
| 42 | ||
| 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 | ||
| a7527fbb TD |
53 | int sata_rescan(bool verbose) |
| 54 | { | |
| 101d9a6a HS |
55 | struct uclass *uc; |
| 56 | struct udevice *dev; /* SATA controller */ | |
| a7527fbb | 57 | int ret; |
| a7527fbb TD |
58 | |
| 59 | if (verbose) | |
| 101d9a6a HS |
60 | printf("scanning bus for devices...\n"); |
| 61 | ||
| 62 | ret = uclass_get(UCLASS_AHCI, &uc); | |
| 63 | if (ret) | |
| 64 | return ret; | |
| 65 | ||
| 66 | /* Remove all children of SATA devices (blk and bootdev) */ | |
| 67 | uclass_foreach_dev(dev, uc) { | |
| 68 | log_debug("unbind %s\n", dev->name); | |
| 69 | ret = device_chld_remove(dev, NULL, DM_REMOVE_NORMAL); | |
| 70 | if (!ret) | |
| 71 | ret = device_chld_unbind(dev, NULL); | |
| 72 | if (ret && verbose) { | |
| 73 | log_err("Unbinding from %s failed (%dE)\n", | |
| 74 | dev->name, ret); | |
| 75 | } | |
| a7527fbb TD |
76 | } |
| 77 | ||
| 78 | if (verbose) | |
| 79 | printf("Rescanning SATA bus for devices...\n"); | |
| 80 | ||
| 101d9a6a HS |
81 | uclass_foreach_dev_probe(UCLASS_AHCI, dev) { |
| 82 | ret = sata_scan(dev); | |
| 83 | if (ret && verbose) | |
| 84 | log_err("Scanning %s failed (%dE)\n", dev->name, ret); | |
| 1052920a TD |
85 | } |
| 86 | ||
| 101d9a6a | 87 | return 0; |
| a7527fbb TD |
88 | } |
| 89 | ||
| f5a14af9 SG |
90 | static unsigned long sata_bread(struct udevice *dev, lbaint_t start, |
| 91 | lbaint_t blkcnt, void *dst) | |
| 92 | { | |
| 93 | return -ENOSYS; | |
| 94 | } | |
| 95 | ||
| 96 | static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start, | |
| 97 | lbaint_t blkcnt, const void *buffer) | |
| 98 | { | |
| 99 | return -ENOSYS; | |
| 100 | } | |
| d97dc8a0 | 101 | |
| f5a14af9 SG |
102 | static const struct blk_ops sata_blk_ops = { |
| 103 | .read = sata_bread, | |
| 104 | .write = sata_bwrite, | |
| 105 | }; | |
| 106 | ||
| 107 | U_BOOT_DRIVER(sata_blk) = { | |
| 108 | .name = "sata_blk", | |
| 109 | .id = UCLASS_BLK, | |
| 110 | .ops = &sata_blk_ops, | |
| 111 | }; |