rockchip: rk3288: Move rk3288_detect_reset_reason to soc file

The rk3288_detect_reset_reason() is per-SoC operation, move
it to rk3288.c, and extend the rk_board_late_init() with
rk3288_board_late_init() to make all the board works fine
as before.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/mach-rockchip/rk3288-board.c

@@ -24,47 +24,9 @@ __weak int rk_board_late_init(void)
 	return 0;
 }
 
-static void rk3288_detect_reset_reason(void)
-{
-	struct rk3288_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);
-}
-
 int board_late_init(void)
 {
 	setup_boot_mode();
-	rk3288_detect_reset_reason();
 
 	return rk_board_late_init();
 }

arch/arm/mach-rockchip/rk3288/rk3288.c

@@ -100,6 +100,55 @@ void board_debug_uart_init(void)
 }
 #endif
 
+static void rk3288_detect_reset_reason(void)
+{
+	struct rk3288_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[])
 {

board/chipspark/popmetal_rk3288/popmetal-rk3288.c

@@ -8,7 +8,7 @@
 
 #define GPIO7A3_HUB_RST	227
 
-int rk_board_late_init(void)
+int rk3288_board_late_init(void)
 {
 	int ret;
 

board/phytec/phycore_rk3288/phycore-rk3288.c

@@ -30,7 +30,7 @@ static int valid_rk3288_som(struct rk3288_som *som)
 	return hw == som->bs;
 }
 
-int rk_board_late_init(void)
+int rk3288_board_late_init(void)
 {
 	int ret;
 	struct udevice *dev;

board/rockchip/tinker_rk3288/tinker-rk3288.c

@@ -21,7 +21,7 @@ static int get_ethaddr_from_eeprom(u8 *addr)
 	return i2c_eeprom_read(dev, 0, addr, 6);
 }
 
-int rk_board_late_init(void)
+int rk3288_board_late_init(void)
 {
 	u8 ethaddr[6];