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46 lines
1021 B
46 lines
1021 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* (C) Copyright 2017 Rockchip Electronics Co., Ltd |
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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_rk3328.h> |
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#include <asm/arch/hardware.h> |
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#include <linux/err.h> |
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int rockchip_sysreset_request(struct udevice *dev, enum sysreset_t type) |
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{ |
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struct sysreset_reg *offset = dev_get_priv(dev); |
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unsigned long cru_base = (unsigned long)rockchip_get_cru(); |
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if (IS_ERR_VALUE(cru_base)) |
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return (int)cru_base; |
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switch (type) { |
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case SYSRESET_WARM: |
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writel(0xeca8, cru_base + offset->glb_srst_snd_value); |
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break; |
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case SYSRESET_COLD: |
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writel(0xfdb9, cru_base + offset->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 rockchip_sysreset = { |
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.request = rockchip_sysreset_request, |
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}; |
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U_BOOT_DRIVER(sysreset_rockchip) = { |
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.name = "rockchip_sysreset", |
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.id = UCLASS_SYSRESET, |
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.ops = &rockchip_sysreset, |
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};
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