[ARM] pxa: add base support for PXA930 (aka Tavor-P)

[linux-2.6-omap-h63xx.git] / include / asm-arm / arch-ixp4xx / cpu.h

diff --git a/include/asm-arm/arch-ixp4xx/cpu.h b/include/asm-arm/arch-ixp4xx/cpu.h
index d2523b326c6c2d1595dd1980fa7c4e9db09fc135..2fa3d6b8dbb8de9074b642e4593c7ee479b21fab 100644 (file)
--- a/include/asm-arm/arch-ixp4xx/cpu.h
+++ b/include/asm-arm/arch-ixp4xx/cpu.h
@@ -28,4 +28,19 @@ extern unsigned int processor_id;
 #define cpu_is_ixp46x()        ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
                          IXP465_PROCESSOR_ID_VALUE)
 
+static inline u32 ixp4xx_read_feature_bits(void)
+{
+       unsigned int val = ~*IXP4XX_EXP_CFG2;
+       val &= ~IXP4XX_FEATURE_RESERVED;
+       if (!cpu_is_ixp46x())
+               val &= ~IXP4XX_FEATURE_IXP46X_ONLY;
+
+       return val;
+}
+
+static inline void ixp4xx_write_feature_bits(u32 value)
+{
+       *IXP4XX_EXP_CFG2 = ~value;
+}
+
 #endif  /* _ASM_ARCH_CPU_H */