From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 roms/u-boot/arch/arm/mach-exynos/soc.c | 36 ++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 roms/u-boot/arch/arm/mach-exynos/soc.c

(limited to 'roms/u-boot/arch/arm/mach-exynos/soc.c')

diff --git a/roms/u-boot/arch/arm/mach-exynos/soc.c b/roms/u-boot/arch/arm/mach-exynos/soc.c
new file mode 100644
index 000000000..a07c87a2c
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-exynos/soc.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2010 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <asm/cache.h>
+#include <asm/io.h>
+#include <asm/system.h>
+
+#ifdef CONFIG_TARGET_ESPRESSO7420
+/*
+ * Exynos7420 uses CPU0 of Cluster-1 as boot CPU. Due to this, branch_if_master
+ * fails to identify as the boot CPU as the master CPU. As temporary workaround,
+ * setup the slave CPU boot address as "_main".
+ */
+extern void _main(void);
+void *secondary_boot_addr = (void *)_main;
+#endif /* CONFIG_TARGET_ESPRESSO7420 */
+
+void reset_cpu(void)
+{
+#ifdef CONFIG_CPU_V7A
+	writel(0x1, samsung_get_base_swreset());
+#endif
+}
+
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
+void enable_caches(void)
+{
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+}
+#endif
-- 
cgit 1.2.3-korg