zynqmp: Enable U-Boot run in EL3
Enable Secure IOU setup to enable U-Boot to run in EL3 without
setting from ATF.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/cpu/armv8/zynqmp/Kconfig b/arch/arm/cpu/armv8/zynqmp/Kconfig
index c8fcfb6..5f79740 100644
--- a/arch/arm/cpu/armv8/zynqmp/Kconfig
+++ b/arch/arm/cpu/armv8/zynqmp/Kconfig
@@ -20,4 +20,8 @@
config SYS_CONFIG_NAME
default "xilinx_zynqmp_ep" if TARGET_ZYNQMP_EP
+config SECURE_IOU
+ bool "Configure ZynqMP secure IOU"
+ default n
+
endif
diff --git a/arch/arm/include/asm/arch-zynqmp/hardware.h b/arch/arm/include/asm/arch-zynqmp/hardware.h
index 7640eab..f655d72 100644
--- a/arch/arm/include/asm/arch-zynqmp/hardware.h
+++ b/arch/arm/include/asm/arch-zynqmp/hardware.h
@@ -44,7 +44,11 @@
#define crlapb_base ((struct crlapb_regs *)ZYNQMP_CRL_APB_BASEADDR)
+#if defined(CONFIG_SECURE_IOU)
+#define ZYNQMP_IOU_SCNTR 0xFF260000
+#else
#define ZYNQMP_IOU_SCNTR 0xFF250000
+#endif
#define ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN 0x1
#define ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG 0x2