/*
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* (C) Copyright 2019 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 <sysreset.h>
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#include <linux/io.h>
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#include <asm/arch/boot_mode.h>
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#define CMD_PREFIX "mode-"
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struct command {
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const char *name;
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u32 magic;
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};
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static const struct command static_defined_command[] = {
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{ .name = "bootrom", .magic = BOOT_BROM_DOWNLOAD, }
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};
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static int syscon_reboot_request_by_mode(struct udevice *dev, const char *mode)
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{
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const char *prefix = CMD_PREFIX;
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char *command;
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u32 magic;
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int i;
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if (!mode)
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return 0;
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command = calloc(1, strlen(mode) + sizeof(prefix));
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if (!command)
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return -ENOMEM;
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strcat(command, prefix);
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strcat(command, mode);
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magic = dev_read_u32_default(dev, command, BOOT_NORMAL);
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if (magic == BOOT_NORMAL) {
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for (i = 0; i < ARRAY_SIZE(static_defined_command); i++) {
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if (!strcmp(static_defined_command[i].name, mode)) {
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magic = static_defined_command[i].magic;
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break;
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}
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}
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}
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printf("## Reboot mode: %s(%x)\n\n", mode, magic);
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writel(magic, CONFIG_ROCKCHIP_BOOT_MODE_REG);
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free(command);
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return 0;
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}
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static const struct sysreset_ops syscon_reboot_ops = {
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.request_by_mode = syscon_reboot_request_by_mode,
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};
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static const struct udevice_id syscon_reboot_match[] = {
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{ .compatible = "syscon-reboot-mode", },
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{},
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};
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U_BOOT_DRIVER(sysreset_syscon_reboot) = {
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.name = "sysreset_syscon_reboot",
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.id = UCLASS_SYSRESET,
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.of_match = syscon_reboot_match,
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.ops = &syscon_reboot_ops,
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};
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