arm: socfpga: Move Stratix10 and Agilex SPL common code

Move Stratix10 and Agilex SPL common code to spl_soc64.c.
We are in preparation for new n5x device support.
No functional change in this patch.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Reviewed-by: Ley Foon Tan <ley.foon.tan@intel.com>
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index 9e63296..e4c2da9 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile
@@ -70,10 +70,12 @@
 ifdef CONFIG_TARGET_SOCFPGA_STRATIX10
 obj-y	+= firewall.o
 obj-y	+= spl_s10.o
+obj-y	+= spl_soc64.o
 endif
 ifdef CONFIG_TARGET_SOCFPGA_AGILEX
 obj-y	+= firewall.o
 obj-y	+= spl_agilex.o
+obj-y	+= spl_soc64.o
 endif
 else
 obj-$(CONFIG_SPL_ATF) += secure_reg_helper.o
diff --git a/arch/arm/mach-socfpga/spl_agilex.c b/arch/arm/mach-socfpga/spl_agilex.c
index 71b17ce..ee5a9dc 100644
--- a/arch/arm/mach-socfpga/spl_agilex.c
+++ b/arch/arm/mach-socfpga/spl_agilex.c
@@ -25,22 +25,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-u32 spl_boot_device(void)
-{
-	return BOOT_DEVICE_MMC1;
-}
-
-#ifdef CONFIG_SPL_MMC_SUPPORT
-u32 spl_mmc_boot_mode(const u32 boot_device)
-{
-#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
-	return MMCSD_MODE_FS;
-#else
-	return MMCSD_MODE_RAW;
-#endif
-}
-#endif
-
 void board_init_f(ulong dummy)
 {
 	int ret;
diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-socfpga/spl_s10.c
index 955a116..c20e87c 100644
--- a/arch/arm/mach-socfpga/spl_s10.c
+++ b/arch/arm/mach-socfpga/spl_s10.c
@@ -26,23 +26,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-u32 spl_boot_device(void)
-{
-	/* TODO: Get from SDM or handoff */
-	return BOOT_DEVICE_MMC1;
-}
-
-#ifdef CONFIG_SPL_MMC_SUPPORT
-u32 spl_mmc_boot_mode(const u32 boot_device)
-{
-#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
-	return MMCSD_MODE_FS;
-#else
-	return MMCSD_MODE_RAW;
-#endif
-}
-#endif
-
 void board_init_f(ulong dummy)
 {
 	const struct cm_config *cm_default_cfg = cm_get_default_config();
diff --git a/arch/arm/mach-socfpga/spl_soc64.c b/arch/arm/mach-socfpga/spl_soc64.c
new file mode 100644
index 0000000..cb98ab3
--- /dev/null
+++ b/arch/arm/mach-socfpga/spl_soc64.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ *  Copyright (C) 2020 Intel Corporation. All rights reserved
+ *
+ */
+
+#include <common.h>
+#include <spl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 spl_boot_device(void)
+{
+	return BOOT_DEVICE_MMC1;
+}
+
+#if IS_ENABLED(CONFIG_SPL_MMC_SUPPORT)
+u32 spl_boot_mode(const u32 boot_device)
+{
+	if (IS_ENABLED(CONFIG_SPL_FS_FAT) || IS_ENABLED(CONFIG_SPL_FS_EXT4))
+		return MMCSD_MODE_FS;
+	else
+		return MMCSD_MODE_RAW;
+}
+#endif