@@ -13,6 +13,18 @@
# include <asm/arch-rockchip/cru_rk3399.h>
#endif
+/* CRU_GLB_RST_ST */
+enum {
+ GLB_POR_RST,
+ FST_GLB_RST_ST = BIT(0),
+ SND_GLB_RST_ST = BIT(1),
+ FST_GLB_TSADC_RST_ST = BIT(2),
+ SND_GLB_TSADC_RST_ST = BIT(3),
+ FST_GLB_WDT_RST_ST = BIT(4),
+ SND_GLB_WDT_RST_ST = BIT(5),
+ GLB_RST_ST_MASK = GENMASK(5, 0),
+};
+
#define MHz 1000000
#endif /* _ROCKCHIP_CLOCK_H */
@@ -51,7 +51,7 @@ struct rockchip_cru {
u32 cru_glb_cnt_th;
u32 cru_glb_rst_con;
u32 reserved3;
- u32 cru_glb_rst_st;
+ u32 glb_rst_st;
u32 reserved4;
u32 cru_sdmmc_con[2];
u32 cru_sdio0_con[2];
@@ -227,16 +227,4 @@ enum {
CLKF_MASK = 0x1fff << CLKF_SHIFT,
};
-/* CRU_GLB_RST_ST */
-enum {
- GLB_POR_RST,
- FST_GLB_RST_ST = BIT(0),
- SND_GLB_RST_ST = BIT(1),
- FST_GLB_TSADC_RST_ST = BIT(2),
- SND_GLB_TSADC_RST_ST = BIT(3),
- FST_GLB_WDT_RST_ST = BIT(4),
- SND_GLB_WDT_RST_ST = BIT(5),
- GLB_RST_ST_MASK = GENMASK(5, 0),
-};
-
#endif
@@ -5,10 +5,59 @@
*/
#include <common.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 */
@@ -102,43 +102,6 @@ void board_debug_uart_init(void)
}
#endif
-static void rk3288_detect_reset_reason(void)
-{
- struct rockchip_cru *cru = rockchip_get_cru();
- const char *reason;
-
- if (IS_ERR(cru))
- return;
-
- switch (cru->cru_glb_rst_st) {
- case GLB_POR_RST:
- reason = "POR";
- break;
- case FST_GLB_RST_ST:
- case SND_GLB_RST_ST:
- reason = "RST";
- break;
- case FST_GLB_TSADC_RST_ST:
- case SND_GLB_TSADC_RST_ST:
- reason = "THERMAL";
- break;
- case FST_GLB_WDT_RST_ST:
- case SND_GLB_WDT_RST_ST:
- reason = "WDOG";
- break;
- default:
- reason = "unknown reset";
- }
-
- env_set("reset_reason", reason);
-
- /*
- * Clear cru_glb_rst_st, so we can determine the last reset cause
- * for following resets.
- */
- rk_clrreg(&cru->cru_glb_rst_st, GLB_RST_ST_MASK);
-}
-
__weak int rk3288_board_late_init(void)
{
return 0;
@@ -146,8 +109,6 @@ __weak int rk3288_board_late_init(void)
int rk_board_late_init(void)
{
- rk3288_detect_reset_reason();
-
return rk3288_board_late_init();
}