[U-Boot] [PATCH 1/2] zynqmp: Enable U-Boot run in EL3

[Michal Simek]

Enable Secure IOU setup to enable U-Boot to run in EL3 without
setting from ATF.

Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 arch/arm/cpu/armv8/zynqmp/Kconfig           | 4 ++++
 arch/arm/include/asm/arch-zynqmp/hardware.h | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/arch/arm/cpu/armv8/zynqmp/Kconfig b/arch/arm/cpu/armv8/zynqmp/Kconfig
index c8fcfb6abbc1..5f797406bf86 100644
--- 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 7640eabad13e..f655d72d2ce1 100644
--- 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
 
-- 
2.3.5