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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | // SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2000-2005, DENX Software Engineering * Wolfgang Denk <wd@denx.de> * Copyright (C) Procsys. All rights reserved. * Mushtaq Khan <mushtaq_k@procsys.com> * <mushtaqk_921@yahoo.co.in> * Copyright (C) 2008 Freescale Semiconductor, Inc. * Dave Liu <daveliu@freescale.com> */ #define LOG_CATEGORY UCLASS_AHCI #include <ahci.h> #include <blk.h> #include <dm.h> #include <log.h> #include <part.h> #include <sata.h> #include <dm/device-internal.h> #include <dm/uclass-internal.h> int sata_reset(struct udevice *dev) { struct ahci_ops *ops = ahci_get_ops(dev); if (!ops->reset) return -ENOSYS; return ops->reset(dev); } int sata_dm_port_status(struct udevice *dev, int port) { struct ahci_ops *ops = ahci_get_ops(dev); if (!ops->port_status) return -ENOSYS; return ops->port_status(dev, port); } int sata_scan(struct udevice *dev) { struct ahci_ops *ops = ahci_get_ops(dev); if (!ops->scan) return -ENOSYS; return ops->scan(dev); } int sata_rescan(bool verbose) { struct uclass *uc; struct udevice *dev; /* SATA controller */ int ret; if (verbose) printf("scanning bus for devices...\n"); ret = uclass_get(UCLASS_AHCI, &uc); if (ret) return ret; /* Remove all children of SATA devices (blk and bootdev) */ uclass_foreach_dev(dev, uc) { log_debug("unbind %s\n", dev->name); ret = device_chld_remove(dev, NULL, DM_REMOVE_NORMAL); if (!ret) ret = device_chld_unbind(dev, NULL); if (ret && verbose) { log_err("Unbinding from %s failed (%dE)\n", dev->name, ret); } } if (verbose) printf("Rescanning SATA bus for devices...\n"); uclass_foreach_dev_probe(UCLASS_AHCI, dev) { ret = sata_scan(dev); if (ret && verbose) log_err("Scanning %s failed (%dE)\n", dev->name, ret); } return 0; } static unsigned long sata_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, void *dst) { return -ENOSYS; } static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, const void *buffer) { return -ENOSYS; } static const struct blk_ops sata_blk_ops = { .read = sata_bread, .write = sata_bwrite, }; U_BOOT_DRIVER(sata_blk) = { .name = "sata_blk", .id = UCLASS_BLK, .ops = &sata_blk_ops, }; |