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// 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,
};
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