[PATCH 2/2] arm: socfpga: agilex5: add helper for entry function

[Michael Tretter <m.tretter@pengutronix.de>]

The entry function is useful for all Agilex 5 based boards and its easy
to get the stack location wrong.

Add a helper function that does the right thing for Agilex 5 and avoid
defining the stack location for every board.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
---
 arch/arm/boards/arrow-axe5-eagle/lowlevel.c | 13 ++-----------
 include/mach/socfpga/barebox-arm.h          | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/arch/arm/boards/arrow-axe5-eagle/lowlevel.c b/arch/arm/boards/arrow-axe5-eagle/lowlevel.c
index b5a56a1a8c5f..de5a14b2d503 100644
--- a/arch/arm/boards/arrow-axe5-eagle/lowlevel.c
+++ b/arch/arm/boards/arrow-axe5-eagle/lowlevel.c
@@ -5,23 +5,14 @@
 #include <asm/barebox-arm.h>
 #include <asm/system.h>
 #include <pbl.h>
+#include <mach/socfpga/barebox-arm.h>
 #include <mach/socfpga/debug_ll.h>
 #include <mach/socfpga/init.h>
 #include <mach/socfpga/generic.h>
-#include <mach/socfpga/soc64-handoff.h>
 #include <mach/socfpga/soc64-regs.h>
 
 extern char __dtb_z_socfpga_agilex5_axe5_eagle_start[];
 
-/*
- * The SDM firmware uses the last page in the OCRAM for handoff data. Put the
- * stack below the handoff data.
- *
- * Note: U-Boot puts the stack at 0x71000 (0x80000 - 0xf000) and reserves even
- * more space.
- */
-#define AXE5_STACKTOP SOC64_HANDOFF_BASE
-
 static noinline void axe5_eagle_continue(void)
 {
 	agilex5_clk_init();
@@ -52,7 +43,7 @@ static noinline void axe5_eagle_continue(void)
 	agilex5_barebox_entry(__dtb_z_socfpga_agilex5_axe5_eagle_start);
 }
 
-ENTRY_FUNCTION_WITHSTACK(start_socfpga_agilex5_axe5_eagle, AXE5_STACKTOP, r0, r1, r2)
+ENTRY_FUNCTION_AGILEX5(start_socfpga_agilex5_axe5_eagle)
 {
 	if (current_el() == 3)
 		socfpga_agilex5_cpu_lowlevel_init();
diff --git a/include/mach/socfpga/barebox-arm.h b/include/mach/socfpga/barebox-arm.h
new file mode 100644
index 000000000000..60c9ddabea23
--- /dev/null
+++ b/include/mach/socfpga/barebox-arm.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef SOCFPGA_BAREBOX_ARM_H_
+#define SOCFPGA_BAREBOX_ARM_H_
+
+#include <asm/barebox-arm.h>
+#include <mach/socfpga/soc64-handoff.h>
+
+/*
+ * The SDM firmware uses the last page in the OCRAM for handoff data. Put the
+ * stack below the handoff data.
+ *
+ * Note: U-Boot puts the stack at 0x71000 (0x80000 - 0xf000) and reserves even
+ * more space.
+ */
+#define AGILEX5_STACKTOP SOC64_HANDOFF_BASE
+
+#define ENTRY_FUNCTION_AGILEX5(name)					\
+	ENTRY_FUNCTION_WITHSTACK(name, AGILEX5_STACKTOP, r0, r1, r2)
+
+#endif

-- 
2.47.3