diff options
| -rw-r--r-- | arch/arm/mach-stm32mp/spl.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32mp/spl.c b/arch/arm/mach-stm32mp/spl.c index 6368db4..b7e7e92 100644 --- a/arch/arm/mach-stm32mp/spl.c +++ b/arch/arm/mach-stm32mp/spl.c @@ -4,6 +4,7 @@ */ #include <common.h> +#include <cpu_func.h> #include <dm.h> #include <hang.h> #include <spl.h> @@ -128,4 +129,22 @@ void board_init_f(ulong dummy) printf("DRAM init failed: %d\n", ret); hang(); } + + /* + * activate cache on DDR only when DDR is fully initialized + * to avoid speculative access and issue in get_ram_size() + */ + if (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF)) + mmu_set_region_dcache_behaviour(STM32_DDR_BASE, STM32_DDR_SIZE, + DCACHE_DEFAULT_OPTION); +} + +void spl_board_prepare_for_boot(void) +{ + dcache_disable(); +} + +void spl_board_prepare_for_boot_linux(void) +{ + dcache_disable(); } |