arm: rockchip: Add common cru.h

[platform/kernel/u-boot.git] / arch / arm / mach-rockchip / rk3288 / rk3288.c

diff --git a/arch/arm/mach-rockchip/rk3288/rk3288.c b/arch/arm/mach-rockchip/rk3288/rk3288.c
index 10db6df..47ee5d4 100644 (file)
--- a/arch/arm/mach-rockchip/rk3288/rk3288.c
+++ b/arch/arm/mach-rockchip/rk3288/rk3288.c
@@ -4,25 +4,27 @@
  */
 #include <common.h>
 #include <dm.h>
+#include <env.h>
 #include <clk.h>
+#include <init.h>
 #include <asm/armv7.h>
 #include <asm/io.h>
 #include <asm/arch-rockchip/bootrom.h>
 #include <asm/arch-rockchip/clock.h>
-#include <asm/arch-rockchip/cru_rk3288.h>
+#include <asm/arch-rockchip/cru.h>
 #include <asm/arch-rockchip/hardware.h>
 #include <asm/arch-rockchip/grf_rk3288.h>
 #include <asm/arch-rockchip/pmu_rk3288.h>
 #include <asm/arch-rockchip/qos_rk3288.h>
-#include <asm/arch-rockchip/sdram_common.h>
+#include <asm/arch-rockchip/sdram.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 #define GRF_BASE       0xff770000
 
 const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
-       [BROM_BOOTSOURCE_EMMC] = "dwmmc@ff0f0000",
-       [BROM_BOOTSOURCE_SD] = "dwmmc@ff0c0000",
+       [BROM_BOOTSOURCE_EMMC] = "/dwmmc@ff0f0000",
+       [BROM_BOOTSOURCE_SD] = "/dwmmc@ff0c0000",
 };
 
 #ifdef CONFIG_SPL_BUILD
@@ -100,6 +102,55 @@ 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;
+}
+
+int rk_board_late_init(void)
+{
+       rk3288_detect_reset_reason();
+
+       return rk3288_board_late_init();
+}
+
 static int do_clock(cmd_tbl_t *cmdtp, int flag, int argc,
                       char * const argv[])
 {