diff mbox series

[07/23] imx: imx8ulp: configure XRDC for DRAM access from S400

Message ID 1675154554-88217-8-git-send-email-ye.li@nxp.com
State Accepted
Commit 84f7da68e09c02eda2677242ba35bc72c085b57e
Delegated to: Stefano Babic
Headers show
Series Add i.MX8ULP A1 revision support | expand

Commit Message

Ye Li Jan. 31, 2023, 8:42 a.m. UTC
Need to add DRAM access permission for S400, as S400 needs to access
it When SPL calls image authentication

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm/mach-imx/imx8ulp/rdc.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Stefano Babic March 29, 2023, 8:16 p.m. UTC | #1
> Need to add DRAM access permission for S400, as S400 needs to access
> it When SPL calls image authentication
> Signed-off-by: Ye Li <ye.li@nxp.com>
> Reviewed-by: Peng Fan <peng.fan@nxp.com>
Applied to u-boot-imx, -next, thanks !

Best regards,
Stefano Babic
diff mbox series

Patch

diff --git a/arch/arm/mach-imx/imx8ulp/rdc.c b/arch/arm/mach-imx/imx8ulp/rdc.c
index d664437..8551bf6 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 */