u-boot/drivers/sysreset/sysreset_rockchip.c
Tom Rini 03de305ec4 Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
As part of bringing the master branch back in to next, we need to allow
for all of these changes to exist here.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-20 13:35:03 -06:00

44 lines
1,008 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* (C) Copyright 2017 Rockchip Electronics Co., Ltd
*/
#include <dm.h>
#include <errno.h>
#include <sysreset.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/cru_rk3328.h>
#include <asm/arch-rockchip/hardware.h>
#include <linux/err.h>
int rockchip_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
struct sysreset_reg *offset = dev_get_priv(dev);
unsigned long cru_base = (unsigned long)rockchip_get_cru();
if (IS_ERR_VALUE(cru_base))
return (int)cru_base;
switch (type) {
case SYSRESET_WARM:
writel(0xeca8, cru_base + offset->glb_srst_snd_value);
break;
case SYSRESET_COLD:
writel(0xfdb9, cru_base + offset->glb_srst_fst_value);
break;
default:
return -EPROTONOSUPPORT;
}
return -EINPROGRESS;
}
static struct sysreset_ops rockchip_sysreset = {
.request = rockchip_sysreset_request,
};
U_BOOT_DRIVER(sysreset_rockchip) = {
.name = "rockchip_sysreset",
.id = UCLASS_SYSRESET,
.ops = &rockchip_sysreset,
};