From f57771a737f70befa87d6e769e5be39d527a7f2e Mon Sep 17 00:00:00 2001 From: Ye Li Date: Tue, 31 Jan 2023 16:42:18 +0800 Subject: [PATCH] imx: imx8ulp: configure XRDC for DRAM access from S400 Need to add DRAM access permission for S400, as S400 needs to access it When SPL calls image authentication Signed-off-by: Ye Li Reviewed-by: Peng Fan --- arch/arm/mach-imx/imx8ulp/rdc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/mach-imx/imx8ulp/rdc.c b/arch/arm/mach-imx/imx8ulp/rdc.c index c36c0ac743..86310ca0b8 100644 --- a/arch/arm/mach-imx/imx8ulp/rdc.c +++ b/arch/arm/mach-imx/imx8ulp/rdc.c @@ -286,6 +286,11 @@ void xrdc_init_mrc(void) xrdc_config_mrc_dx_perm(5, 0, 1, 1); xrdc_config_mrc_w3_w4(5, 0, 0x0, 0x80000FFF); + /* Set MRC6 for DDR access from Sentinel */ + xrdc_config_mrc_w0_w1(6, 0, CFG_SYS_SDRAM_BASE, PHYS_SDRAM_SIZE); + xrdc_config_mrc_dx_perm(6, 0, 4, 1); + xrdc_config_mrc_w3_w4(6, 0, 0x0, 0x80000FFF); + /* The MRC8 is for SRAM1 */ xrdc_config_mrc_w0_w1(8, 0, 0x21000000, 0x10000); /* Allow for all domains: So domain 2/3 (HIFI DSP/LPAV) is ok to access */ -- 2.39.5