From: Kever Yang kever.yang@rock-chips.com
Set DDR as non-secure so that MMC DMA can access.
Signed-off-by: Kever Yang kever.yang@rock-chips.com [cherry picked from https://github.com/rockchip-linux/u-boot/commit/bfe741ab9eb4f97371a4e6c24185... and https://github.com/rockchip-linux/u-boot/commit/73d952acc8cc1ddad6652ba71895... with minor modifications] Signed-off-by: Matwey V. Kornilov matwey.kornilov@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; }