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authorMarek Szyprowski <m.szyprowski@samsung.com>2019-02-18 15:34:10 +0100
committerKrzysztof Kozlowski <krzk@kernel.org>2019-03-19 21:07:47 +0100
commit47efaf6ba6971e669f198e8e60fe6e674b5020ac (patch)
tree917fa547ffff570fb095d3a5e034480e5b9ec84f /arch/arm/mach-exynos
parente74673120b6b9497f1e044b3cf75d2fb5ed61fc3 (diff)
downloadlinux-47efaf6ba6971e669f198e8e60fe6e674b5020ac.tar.bz2
ARM: exynos: Add Exynos SMC values for secure memory write
Add defines for the (secure)-memory write for Exynos Secure Monitor Call. The values comes from the vendor kernel. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch/arm/mach-exynos')
-rw-r--r--arch/arm/mach-exynos/smc.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/smc.h b/arch/arm/mach-exynos/smc.h
index f355185d4239..98832e50852d 100644
--- a/arch/arm/mach-exynos/smc.h
+++ b/arch/arm/mach-exynos/smc.h
@@ -25,6 +25,13 @@
#define SMC_CMD_L2X0INVALL (-24)
#define SMC_CMD_L2X0DEBUG (-25)
+/* For Accessing CP15/SFR (General) */
+#define SMC_CMD_REG (-101)
+
+/* defines for SMC_CMD_REG */
+#define SMC_REG_CLASS_SFR_W (0x1 << 30)
+#define SMC_REG_ID_SFR_W(addr) (SMC_REG_CLASS_SFR_W | ((addr) >> 2))
+
#ifndef __ASSEMBLY__
extern void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3);