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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | // 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> */ #include <common.h> #include <ahci.h> #include <blk.h> #include <dm.h> #include <part.h> #include <sata.h> #include <dm/device-internal.h> #include <dm/uclass-internal.h> #ifndef CONFIG_AHCI struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE]; #endif 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) { int ret; struct udevice *dev; if (verbose) printf("Removing devices on SATA bus...\n"); blk_unbind_all(UCLASS_AHCI); ret = uclass_find_first_device(UCLASS_AHCI, &dev); if (ret || !dev) { printf("Cannot find SATA device (err=%d)\n", ret); return -ENOENT; } ret = device_remove(dev, DM_REMOVE_NORMAL); if (ret) { printf("Cannot remove SATA device '%s' (err=%d)\n", dev->name, ret); return -ENOSYS; } if (verbose) printf("Rescanning SATA bus for devices...\n"); ret = uclass_probe_all(UCLASS_AHCI); if (ret == -ENODEV) { if (verbose) printf("No SATA block device found\n"); return 0; } return ret; } #ifndef CONFIG_AHCI #ifdef CONFIG_PARTITIONS struct blk_desc *sata_get_dev(int dev) { return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL; } #endif #endif 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; } #ifndef CONFIG_AHCI int __sata_initialize(void) { int rc, ret = -1; int i; for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) { memset(&sata_dev_desc[i], 0, sizeof(struct blk_desc)); sata_dev_desc[i].uclass_id = UCLASS_AHCI; sata_dev_desc[i].devnum = i; sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN; sata_dev_desc[i].type = DEV_TYPE_HARDDISK; sata_dev_desc[i].lba = 0; sata_dev_desc[i].blksz = 512; sata_dev_desc[i].log2blksz = LOG2(sata_dev_desc[i].blksz); rc = init_sata(i); if (!rc) { rc = scan_sata(i); if (!rc && sata_dev_desc[i].lba > 0 && sata_dev_desc[i].blksz > 0) { part_init(&sata_dev_desc[i]); ret = i; } } } return ret; } int sata_initialize(void) __attribute__((weak, alias("__sata_initialize"))); __weak int __sata_stop(void) { int i, err = 0; for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) err |= reset_sata(i); if (err) printf("Could not reset some SATA devices\n"); return err; } int sata_stop(void) __attribute__((weak, alias("__sata_stop"))); #endif 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, }; |