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