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109 lines
2.1 KiB
C
109 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2000-2005, DENX Software Engineering
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* Wolfgang Denk <wd@denx.de>
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* Copyright (C) Procsys. All rights reserved.
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* Mushtaq Khan <mushtaq_k@procsys.com>
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* <mushtaqk_921@yahoo.co.in>
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* Copyright (C) 2008 Freescale Semiconductor, Inc.
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* Dave Liu <daveliu@freescale.com>
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*/
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#include <common.h>
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#include <ahci.h>
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#include <blk.h>
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#include <dm.h>
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#include <part.h>
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#include <sata.h>
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#include <dm/device-internal.h>
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#include <dm/uclass-internal.h>
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int sata_reset(struct udevice *dev)
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{
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struct ahci_ops *ops = ahci_get_ops(dev);
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if (!ops->reset)
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return -ENOSYS;
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return ops->reset(dev);
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}
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int sata_dm_port_status(struct udevice *dev, int port)
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{
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struct ahci_ops *ops = ahci_get_ops(dev);
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if (!ops->port_status)
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return -ENOSYS;
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return ops->port_status(dev, port);
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}
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int sata_scan(struct udevice *dev)
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{
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struct ahci_ops *ops = ahci_get_ops(dev);
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if (!ops->scan)
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return -ENOSYS;
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return ops->scan(dev);
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}
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int sata_rescan(bool verbose)
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{
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int ret;
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struct udevice *dev;
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if (verbose)
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printf("Removing devices on SATA bus...\n");
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blk_unbind_all(UCLASS_AHCI);
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ret = uclass_find_first_device(UCLASS_AHCI, &dev);
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if (ret || !dev) {
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printf("Cannot find SATA device (err=%d)\n", ret);
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return -ENOENT;
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}
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ret = device_remove(dev, DM_REMOVE_NORMAL);
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if (ret) {
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printf("Cannot remove SATA device '%s' (err=%d)\n", dev->name, ret);
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return -ENOSYS;
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}
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if (verbose)
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printf("Rescanning SATA bus for devices...\n");
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ret = uclass_probe_all(UCLASS_AHCI);
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if (ret == -ENODEV) {
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if (verbose)
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printf("No SATA block device found\n");
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return 0;
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}
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return ret;
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}
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static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
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lbaint_t blkcnt, void *dst)
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{
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return -ENOSYS;
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}
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static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start,
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lbaint_t blkcnt, const void *buffer)
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{
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return -ENOSYS;
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}
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static const struct blk_ops sata_blk_ops = {
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.read = sata_bread,
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.write = sata_bwrite,
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};
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U_BOOT_DRIVER(sata_blk) = {
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.name = "sata_blk",
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.id = UCLASS_BLK,
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.ops = &sata_blk_ops,
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};
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