sunxi: Fix watchdog reset function for R40

The watchdog found on the R40 SoC is the older variant found on the A20.
Add the proper "#if defines" to make it work.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/include/asm/arch-sunxi/timer.h

@@ -67,7 +67,7 @@ struct sunxi_timer_reg {
 	struct sunxi_timer timer[6];	/* We have 6 timers */
 	u8 res2[16];
 	struct sunxi_avs avs;
-#ifdef CONFIG_SUNXI_GEN_SUN4I
+#if defined(CONFIG_SUNXI_GEN_SUN4I) || defined(CONFIG_MACH_SUN8I_R40)
 	struct sunxi_wdog wdog;	/* 0x90 */
 	/* XXX the following is not accurate for sun5i/sun7i */
 	struct sunxi_64cnt cnt64;	/* 0xa0 */
@@ -77,8 +77,7 @@ struct sunxi_timer_reg {
 	struct sunxi_tgp tgp[4];
 	u8 res5[8];
 	u32 cpu_cfg;
-#endif
-#ifdef CONFIG_SUNXI_GEN_SUN6I
+#elif defined(CONFIG_SUNXI_GEN_SUN6I)
 	u8 res3[16];
 	struct sunxi_wdog wdog[5];	/* We have 5 watchdogs */
 #endif

arch/arm/include/asm/arch-sunxi/watchdog.h

@@ -13,7 +13,10 @@
 #define WDT_CTRL_RESTART	(0x1 << 0)
 #define WDT_CTRL_KEY		(0x0a57 << 1)
 
-#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN5I) || defined(CONFIG_MACH_SUN7I)
+#if defined(CONFIG_MACH_SUN4I) || \
+    defined(CONFIG_MACH_SUN5I) || \
+    defined(CONFIG_MACH_SUN7I) || \
+    defined(CONFIG_MACH_SUN8I_R40)
 
 #define WDT_MODE_EN		(0x1 << 0)
 #define WDT_MODE_RESET_EN	(0x1 << 1)

arch/arm/mach-sunxi/board.c

@@ -270,7 +270,7 @@ void board_init_f(ulong dummy)
 
 void reset_cpu(ulong addr)
 {
-#ifdef CONFIG_SUNXI_GEN_SUN4I
+#if defined(CONFIG_SUNXI_GEN_SUN4I) || defined(CONFIG_MACH_SUN8I_R40)
 	static const struct sunxi_wdog *wdog =
 		 &((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->wdog;
 
@@ -282,8 +282,7 @@ void reset_cpu(ulong addr)
 		/* sun5i sometimes gets stuck without this */
 		writel(WDT_MODE_RESET_EN | WDT_MODE_EN, &wdog->mode);
 	}
-#endif
-#ifdef CONFIG_SUNXI_GEN_SUN6I
+#elif defined(CONFIG_SUNXI_GEN_SUN6I)
 	static const struct sunxi_wdog *wdog =
 		 ((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->wdog;