68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* (C) Copyright 2019 Amarula Solutions(India)
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* Author: Jagan Teki <jagan@amarulasolutions.com>
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*/
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#include <common.h>
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#include <env.h>
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#include <init.h>
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#include <asm/io.h>
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#include <asm/arch-rockchip/clock.h>
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#include <asm/arch-rockchip/cru.h>
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#include <asm/arch-rockchip/hardware.h>
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#include <linux/err.h>
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static char *get_reset_cause(void)
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{
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struct rockchip_cru *cru = rockchip_get_cru();
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char *cause = NULL;
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if (IS_ERR(cru))
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return cause;
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switch (cru->glb_rst_st) {
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case GLB_POR_RST:
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cause = "POR";
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break;
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case FST_GLB_RST_ST:
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case SND_GLB_RST_ST:
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cause = "RST";
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break;
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case FST_GLB_TSADC_RST_ST:
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case SND_GLB_TSADC_RST_ST:
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cause = "THERMAL";
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break;
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case FST_GLB_WDT_RST_ST:
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case SND_GLB_WDT_RST_ST:
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cause = "WDOG";
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break;
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default:
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cause = "unknown reset";
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}
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/**
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* reset_reason env is used by rk3288, due to special use case
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* to figure it the boot behavior. so keep this as it is.
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*/
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env_set("reset_reason", cause);
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/*
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* Clear glb_rst_st, so we can determine the last reset cause
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* for following resets.
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*/
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rk_clrreg(&cru->glb_rst_st, GLB_RST_ST_MASK);
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return cause;
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}
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int print_cpuinfo(void)
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{
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printf("SoC: Rockchip %s\n", CONFIG_SYS_SOC);
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printf("Reset cause: %s\n", get_reset_cause());
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/* TODO print operating temparature and clock */
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return 0;
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}
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