[PATCH v1 9/9] spl: s10: Enhance watchdog support in SPL for Stratix 10
alif.zakuan.yuslaimi at altera.com
alif.zakuan.yuslaimi at altera.com
Fri Apr 3 04:25:13 CEST 2026
From: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
Watchdog needs to be fully executed in the onchip ram. Enabling watchdog
before initializing other components such as DDR in Stratix10 SPL
Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
---
arch/arm/mach-socfpga/spl_s10.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-socfpga/spl_s10.c
index ace029557f3..588dca4fcd3 100644
--- a/arch/arm/mach-socfpga/spl_s10.c
+++ b/arch/arm/mach-socfpga/spl_s10.c
@@ -18,7 +18,7 @@
#include <asm/arch/misc.h>
#include <asm/arch/reset_manager.h>
#include <asm/arch/system_manager.h>
-#include <watchdog.h>
+#include <wdt.h>
#include <dm/uclass.h>
u32 reset_flag(void)
@@ -54,13 +54,6 @@ void board_init_f(ulong dummy)
writel(SYSMGR_WDDBG_PAUSE_ALL_CPU,
socfpga_get_sysmgr_addr() + SYSMGR_SOC64_WDDBG);
-#ifdef CONFIG_HW_WATCHDOG
- /* Enable watchdog before initializing the HW */
- socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1);
- socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0);
- hw_watchdog_init();
-#endif
-
/* ensure all processors are not released prior Linux boot */
writeq(0, CPU_RELEASE_ADDR);
@@ -80,6 +73,13 @@ void board_init_f(ulong dummy)
hang();
}
+ /*
+ * Enable watchdog as early as possible before initializing other
+ * component.
+ */
+ if (CONFIG_IS_ENABLED(WDT))
+ initr_watchdog();
+
#ifdef CONFIG_DEBUG_UART
socfpga_per_reset(SOCFPGA_RESET(UART0), 0);
debug_uart_init();
--
2.43.7
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