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 c8fcfb6abbc115521ccacc8bd0d94e788f8a366f..5f797406bf86172bfba5c59333efabe7dc29fedf 100644 (file)
--- a/arch/arm/cpu/armv8/zynqmp/Kconfig
+++ b/arch/arm/cpu/armv8/zynqmp/Kconfig
@@ -20,4 +20,8 @@ config SYS_SOC
 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 7640eabad13e2ad6138aa490520d749bc48f96b5..f655d72d2ce1eeadba8a0b136257586bec02ed18 100644 (file)
--- a/arch/arm/include/asm/arch-zynqmp/hardware.h
+++ b/arch/arm/include/asm/arch-zynqmp/hardware.h
@@ -44,7 +44,11 @@ struct crlapb_regs {
 
 #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