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41 lines
810 B
41 lines
810 B
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Copyright (C) 2017 Masahiro Yamada <[email protected]> |
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*/ |
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#include <common.h> |
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#include <dm.h> |
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#include <sysreset.h> |
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#include <linux/errno.h> |
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#include <linux/psci.h> |
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static int psci_sysreset_request(struct udevice *dev, enum sysreset_t type) |
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{ |
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unsigned long function_id; |
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switch (type) { |
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case SYSRESET_WARM: |
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case SYSRESET_COLD: |
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function_id = PSCI_0_2_FN_SYSTEM_RESET; |
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break; |
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case SYSRESET_POWER: |
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function_id = PSCI_0_2_FN_SYSTEM_OFF; |
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break; |
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default: |
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return -ENOSYS; |
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} |
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invoke_psci_fn(function_id, 0, 0, 0); |
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return -EINPROGRESS; |
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} |
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static struct sysreset_ops psci_sysreset_ops = { |
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.request = psci_sysreset_request, |
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}; |
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U_BOOT_DRIVER(psci_sysreset) = { |
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.name = "psci-sysreset", |
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.id = UCLASS_SYSRESET, |
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.ops = &psci_sysreset_ops, |
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};
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