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common/sata.c
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/* * 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> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> |
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#include <dm.h> |
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#include <sata.h> struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE]; #ifdef CONFIG_PARTITIONS struct blk_desc *sata_get_dev(int dev) { return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL; } #endif |
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#ifdef CONFIG_BLK 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; } #else |
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static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt, void *dst) { return sata_read(block_dev->devnum, start, blkcnt, dst); } static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt, const void *buffer) { return sata_write(block_dev->devnum, start, blkcnt, buffer); } |
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#endif |
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int __sata_initialize(void) { |
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int rc, ret = -1; |
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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].if_type = IF_TYPE_SATA; 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); |
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#ifndef CONFIG_BLK |
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sata_dev_desc[i].block_read = sata_bread; sata_dev_desc[i].block_write = sata_bwrite; |
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#endif |
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rc = init_sata(i); if (!rc) { rc = scan_sata(i); if (!rc && sata_dev_desc[i].lba > 0 && |
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sata_dev_desc[i].blksz > 0) { |
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part_init(&sata_dev_desc[i]); |
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ret = i; } |
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} } |
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return ret; |
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} 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 "); return err; } int sata_stop(void) __attribute__((weak, alias("__sata_stop"))); |
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#ifdef CONFIG_BLK 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, }; #else |
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U_BOOT_LEGACY_BLK(sata) = { .if_typename = "sata", .if_type = IF_TYPE_SATA, .max_devs = CONFIG_SYS_SATA_MAX_DEVICE, .desc = sata_dev_desc, }; |
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#endif |