[U-Boot] [PATCH v3 2/2] socfpga: Adding DesignWare watchdog support

[Chin Liang See]

To enable the DesignWare watchdog support at SOCFPGA Cyclone V
dev kit.

Signed-off-by: Chin Liang See <clsee at altera.com>
Cc: Anatolij Gustschin <agust at denx.de>
Cc: Albert Aribaud <albert.u.boot at aribaud.net>
Cc: Heiko Schocher <hs at denx.de>
Cc: Tom Rini <trini at ti.com>
---
Changes for v3
- Split to 2 series patch
Changes for v2
- Enable this driver at socfpga_cyclone5 board
---
 .../include/asm/arch-socfpga/socfpga_base_addrs.h  |    1 +
 include/configs/socfpga_cyclone5.h                 |   13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h
index 20f12e0..5f73824 100644
--- a/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h
+++ b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h
@@ -11,6 +11,7 @@
 #define SOCFPGA_UART0_ADDRESS 0xffc02000
 #define SOCFPGA_UART1_ADDRESS 0xffc03000
 #define SOCFPGA_OSC1TIMER0_ADDRESS 0xffd00000
+#define SOCFPGA_L4WD0_ADDRESS 0xffd02000
 #define SOCFPGA_CLKMGR_ADDRESS 0xffd04000
 #define SOCFPGA_RSTMGR_ADDRESS 0xffd05000
 #define SOCFPGA_SYSMGR_ADDRESS 0xffd08000
diff --git a/include/configs/socfpga_cyclone5.h b/include/configs/socfpga_cyclone5.h
index fc921ee..1b78ccb 100644
--- a/include/configs/socfpga_cyclone5.h
+++ b/include/configs/socfpga_cyclone5.h
@@ -207,6 +207,16 @@
 #define CONFIG_ENV_IS_NOWHERE
 
 /*
+ * L4 Watchdog
+ */
+#define CONFIG_HW_WATCHDOG
+#define CONFIG_HW_WATCHDOG_TIMEOUT_MS	2000
+#define CONFIG_DESIGNWARE_WATCHDOG
+#define CONFIG_DW_WDT_BASE		SOCFPGA_L4WD0_ADDRESS
+/* Clocks source frequency to watchdog timer */
+#define CONFIG_DW_WDT_CLOCK_KHZ		25000
+
+/*
  * SPL "Second Program Loader" aka Initial Software
  */
 
@@ -238,4 +248,7 @@
 /* Support for lib/libgeneric.o in SPL binary */
 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 
+/* Support for watchdog */
+#define CONFIG_SPL_WATCHDOG_SUPPORT
+
 #endif	/* __CONFIG_H */
-- 
1.7.9.5