From: Kever Yang <kever.y...@rock-chips.com> Set DDR as non-secure so that MMC DMA can access.
Signed-off-by: Kever Yang <kever.y...@rock-chips.com> [cherry picked from https://github.com/rockchip-linux/u-boot/commit/bfe741ab9eb4f97371a4e6c24185419d57a3a75f and https://github.com/rockchip-linux/u-boot/commit/73d952acc8cc1ddad6652ba71895d9fe928c1e4b with minor modifications] Signed-off-by: Matwey V. Kornilov <matwey.korni...@gmail.com> --- arch/arm/mach-rockchip/rk3328/rk3328.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/mach-rockchip/rk3328/rk3328.c b/arch/arm/mach-rockchip/rk3328/rk3328.c index 592f287613..c2448d7273 100644 --- a/arch/arm/mach-rockchip/rk3328/rk3328.c +++ b/arch/arm/mach-rockchip/rk3328/rk3328.c @@ -16,6 +16,7 @@ DECLARE_GLOBAL_DATA_PTR; #define CRU_BASE 0xFF440000 #define GRF_BASE 0xFF100000 #define UART2_BASE 0xFF130000 +#define FW_DDR_CON_REG 0xFF7C0040 const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = { [BROM_BOOTSOURCE_EMMC] = "rksdmmc@ff520000", @@ -46,8 +47,12 @@ struct mm_region *mem_map = rk3328_mem_map; int arch_cpu_init(void) { +#ifdef CONFIG_SPL_BUILD /* We do some SoC one time setting here. */ + /* Disable the ddr secure region setting to make it non-secure */ + rk_setreg(FW_DDR_CON_REG, 0x200); +#endif return 0; } -- 2.16.4 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
