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rockchip: rk3328: set DDR as non-secure in SPL

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Set DDR as non-secure so that MMC DMA can access.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
[cherry picked from bfe741ab9e and 73d952acc8 with minor modifications]
Signed-off-by: Matwey V. Kornilov <matwey.kornilov@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Kever Yang 2019-07-29 12:18:18 +03:00
parent 2b157019bb
commit a9775a82a5
1 changed files with 5 additions and 0 deletions
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5
arch/arm/mach-rockchip/rk3328/rk3328.c
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@ -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;
}