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From 3ce7d0062c9797b19935b780390036f995bc876a Mon Sep 17 00:00:00 2001
From: Tomasz Figa <t.figa@samsung.com>
Date: Thu, 21 Feb 2013 16:25:00 +0100
Subject: [PATCH 0093/1302] ARM: EXYNOS: Add sec_debug module stub
This patch adds simple stub for sec_debug module to allow unmodified
Tizen images to be booted.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
---
arch/arm/mach-exynos/Kconfig | 5 +++++
arch/arm/mach-exynos/Makefile | 1 +
arch/arm/mach-exynos/sec_debug.c | 33 +++++++++++++++++++++++++++++++++
3 files changed, 39 insertions(+)
create mode 100644 arch/arm/mach-exynos/sec_debug.c
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 3ea8c7d..549cb32 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -183,6 +183,11 @@ config EXYNOS_SETUP_SPI
help
Common setup code for SPI GPIO configurations.
+config SEC_DEBUG
+ bool "Enable sec_debug stub"
+ help
+ Stub module for sec_debug functionality required in Tizen.
+
# machine support
if ARCH_EXYNOS4
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index b09b027..9e63a19 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_ARCH_EXYNOS) += exynos-smc.o
obj-$(CONFIG_ARCH_EXYNOS) += firmware.o
+obj-$(CONFIG_SEC_DEBUG) += sec_debug.o
plus_sec := $(call as-instr,.arch_extension sec,+sec)
AFLAGS_exynos-smc.o :=-Wa,-march=armv7-a$(plus_sec)
diff --git a/arch/arm/mach-exynos/sec_debug.c b/arch/arm/mach-exynos/sec_debug.c
new file mode 100644
index 0000000..3973858
--- /dev/null
+++ b/arch/arm/mach-exynos/sec_debug.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * sec_debug module stub for Tizen compatibility
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+union sec_debug_level_t {
+ struct {
+ u16 kernel_fault;
+ u16 user_fault;
+ } en;
+ u32 uint_val;
+};
+
+/* enable/disable sec_debug feature
+ * level = 0 when enable = 0 && enable_user = 0
+ * level = 1 when enable = 1 && enable_user = 0
+ * level = 0x10001 when enable = 1 && enable_user = 1
+ * The other cases are not considered
+ */
+union sec_debug_level_t sec_debug_level = { .en.kernel_fault = 1, };
+
+module_param_named(enable, sec_debug_level.en.kernel_fault, ushort, 0644);
+module_param_named(enable_user, sec_debug_level.en.user_fault, ushort, 0644);
+module_param_named(level, sec_debug_level.uint_val, uint, 0644);
--
1.8.3.2
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