[PATCH v2 02/25] tegra: lowlevel: add function to fetch chipid

[Lucas Stach]

This is needed as a safe way to flush the ABP bus.

Signed-off-by: Lucas Stach <dev at lynxeye.de>
---
 arch/arm/mach-tegra/include/mach/lowlevel.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-tegra/include/mach/lowlevel.h b/arch/arm/mach-tegra/include/mach/lowlevel.h
index 52b405d5f859..10265183c10c 100644
--- a/arch/arm/mach-tegra/include/mach/lowlevel.h
+++ b/arch/arm/mach-tegra/include/mach/lowlevel.h
@@ -70,6 +70,12 @@ enum tegra_chiptype {
 };
 
 static __always_inline
+u32 tegra_read_chipid(void)
+{
+	return readl(TEGRA_APB_MISC_BASE + APB_MISC_HIDREV);
+}
+
+static __always_inline
 enum tegra_chiptype tegra_get_chiptype(void)
 {
 	u32 hidrev;
-- 
1.9.0