diff options
Diffstat (limited to 'arch/arm/cpu/armv7/socfpga/misc.c')
| -rw-r--r-- | arch/arm/cpu/armv7/socfpga/misc.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/socfpga/misc.c b/arch/arm/cpu/armv7/socfpga/misc.c index 8c3e5f7cd4..7873c38e2b 100644 --- a/arch/arm/cpu/armv7/socfpga/misc.c +++ b/arch/arm/cpu/armv7/socfpga/misc.c @@ -9,6 +9,7 @@ #include <altera.h> #include <miiphy.h> #include <netdev.h> +#include <watchdog.h> #include <asm/arch/reset_manager.h> #include <asm/arch/system_manager.h> #include <asm/arch/dwmmc.h> @@ -150,14 +151,23 @@ static inline void socfpga_fpga_add(void) {} int arch_cpu_init(void) { +#ifdef CONFIG_HW_WATCHDOG + /* + * In case the watchdog is enabled, make sure to (re-)configure it + * so that the defined timeout is valid. Otherwise the SPL (Perloader) + * timeout value is still active which might too short for Linux + * booting. + */ + hw_watchdog_init(); +#else /* * If the HW watchdog is NOT enabled, make sure it is not running, * for example because it was enabled in the preloader. This might * trigger a watchdog-triggered reboot of Linux kernel later. */ -#ifndef CONFIG_HW_WATCHDOG socfpga_watchdog_reset(); #endif + return 0; } @@ -202,6 +212,12 @@ int arch_early_init_r(void) /* Add device descriptor to FPGA device table */ socfpga_fpga_add(); + +#ifdef CONFIG_DESIGNWARE_SPI + /* Get Designware SPI controller out of reset */ + socfpga_spim_enable(); +#endif + return 0; } |