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https://github.com/brain-hackers/u-boot-brain
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a21e132894
Rockchip rk322x sysreset is much like rk3036 and other Rockchip SoCs, only difference is that the target register address is different. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
46 lines
921 B
C
46 lines
921 B
C
/*
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* (C) Copyright 2017 Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <sysreset.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/cru_rk322x.h>
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#include <asm/arch/hardware.h>
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#include <linux/err.h>
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int rk322x_sysreset_request(struct udevice *dev, enum sysreset_t type)
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{
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struct rk322x_cru *cru = rockchip_get_cru();
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if (IS_ERR(cru))
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return PTR_ERR(cru);
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switch (type) {
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case SYSRESET_WARM:
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writel(0xeca8, &cru->cru_glb_srst_snd_value);
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break;
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case SYSRESET_COLD:
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writel(0xfdb9, &cru->cru_glb_srst_fst_value);
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break;
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default:
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return -EPROTONOSUPPORT;
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}
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return -EINPROGRESS;
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}
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static struct sysreset_ops rk322x_sysreset = {
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.request = rk322x_sysreset_request,
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};
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U_BOOT_DRIVER(sysreset_rk322x) = {
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.name = "rk322x_sysreset",
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.id = UCLASS_SYSRESET,
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.ops = &rk322x_sysreset,
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};
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