41 lines
805 B
C
41 lines
805 B
C
/*
|
|
* Qualcomm APQ8016 reset controller driver
|
|
*
|
|
* (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <errno.h>
|
|
#include <sysreset.h>
|
|
#include <asm/io.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static int msm_sysreset_request(struct udevice *dev, enum sysreset_t type)
|
|
{
|
|
phys_addr_t addr = dev_get_addr(dev);
|
|
if (!addr)
|
|
return -EINVAL;
|
|
writel(0, addr);
|
|
return -EINPROGRESS;
|
|
}
|
|
|
|
static struct sysreset_ops msm_sysreset_ops = {
|
|
.request = msm_sysreset_request,
|
|
};
|
|
|
|
static const struct udevice_id msm_sysreset_ids[] = {
|
|
{ .compatible = "qcom,pshold" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(msm_reset) = {
|
|
.name = "msm_sysreset",
|
|
.id = UCLASS_SYSRESET,
|
|
.of_match = msm_sysreset_ids,
|
|
.ops = &msm_sysreset_ops,
|
|
};
|