[PATCH 1/5] arm: socfpga: agilex5: separate EL3 init function

[Michael Tretter]

Extract the EL3 initialization from the entry function as cleanup and to
be able to adjust the el3_init code more easily.

Signed-off-by: Michael Tretter <m.tretter at pengutronix.de>
---
 arch/arm/mach-socfpga/atf.c | 35 ++++++++++++++++++++---------------
 1 file changed, 20 insertions(+), 15 deletions(-)

diff --git a/arch/arm/mach-socfpga/atf.c b/arch/arm/mach-socfpga/atf.c
index e1f0a3558b04..1fd11c426bc2 100644
--- a/arch/arm/mach-socfpga/atf.c
+++ b/arch/arm/mach-socfpga/atf.c
@@ -61,27 +61,32 @@ static void __noreturn agilex5_load_and_start_image_via_tfa(void)
 	__builtin_unreachable();
 }
 
+static void agilex5_el3_init(void)
+{
+	agilex5_initialize_security_policies();
+	pr_debug("Security policies initialized\n");
+
+	/*
+	 * need to set the bank select enable before the
+	 * agilex5_ddr_init_full() otherwise the serial doesn't show
+	 * anything.
+	 */
+	if (!IS_ENABLED(CONFIG_DEBUG_LL))
+		writel(LCR_BKSE, SOCFPGA_UART0_ADDRESS + LCR);
+	agilex5_ddr_init_full();
+
+	socfpga_agilex5_qspi_init();
+
+	agilex5_load_and_start_image_via_tfa();
+}
+
 void __noreturn agilex5_barebox_entry(void *fdt)
 {
 	phys_addr_t membase;
 	phys_size_t memsize;
 
 	if (current_el() == 3) {
-		agilex5_initialize_security_policies();
-		pr_debug("Security policies initialized\n");
-
-		/*
-		 * need to set the bank select enable before the
-		 * agilex5_ddr_init_full() otherwise the serial doesn't show
-		 * anything.
-		 */
-		if (!IS_ENABLED(CONFIG_DEBUG_LL))
-			writel(LCR_BKSE, SOCFPGA_UART0_ADDRESS + LCR);
-		agilex5_ddr_init_full();
-
-		socfpga_agilex5_qspi_init();
-
-		agilex5_load_and_start_image_via_tfa();
+		agilex5_el3_init();
 		__builtin_unreachable();
 	}
 

-- 
2.47.3