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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-exynos/soc.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-exynos/soc.c')
-rw-r--r--roms/u-boot/arch/arm/mach-exynos/soc.c36
1 files changed, 36 insertions, 0 deletions
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