[PATCH V2 16/26] imx: imx8ulp: release CAAM for the Cortex-A35

Peng Fan (OSS) peng.fan at oss.nxp.com
Wed Apr 6 08:30:21 CEST 2022


From: Clement Faure <clement.faure at nxp.com>

Release the CAAM for the A35 from the SPL.

Signed-off-by: Clement Faure <clement.faure at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 board/freescale/imx8ulp_evk/spl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/board/freescale/imx8ulp_evk/spl.c b/board/freescale/imx8ulp_evk/spl.c
index 9bc90816176..66bfc2bd0ca 100644
--- a/board/freescale/imx8ulp_evk/spl.c
+++ b/board/freescale/imx8ulp_evk/spl.c
@@ -19,6 +19,7 @@
 #include <asm/arch/ddr.h>
 #include <asm/arch/rdc.h>
 #include <asm/arch/upower.h>
+#include <asm/arch/s400_api.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -60,6 +61,8 @@ int power_init_board(void)
 void spl_board_init(void)
 {
 	struct udevice *dev;
+	u32 res;
+	int ret;
 
 	uclass_find_first_device(UCLASS_MISC, &dev);
 
@@ -98,6 +101,11 @@ void spl_board_init(void)
 
 	/* Call it after PS16 power up */
 	set_lpav_qos();
+
+	/* Enable A35 access to the CAAM */
+	ret = ahab_release_caam(0x7, &res);
+	if (ret)
+		printf("ahab release caam failed %d, 0x%x\n", ret, res);
 }
 
 void board_init_f(ulong dummy)
-- 
2.35.1



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