[ARM] 4311/1: ixp4xx: add KIXRP435 platform

[~andy/linux] / include / asm-arm / arch-ixp4xx / ixp4xx-regs.h

diff --git a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
index ed35e5c94f401796579018148417f8c7a180fadd..deb989950c52d6bef5c682680257b164386283dc 100644 (file)
--- a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
+++ b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
@@ -607,15 +607,43 @@
 
 #define DCMD_LENGTH    0x01fff         /* length mask (max = 8K - 1) */
 
+/* Processor id value in CP15 Register 0 */
+#define IXP425_PROCESSOR_ID_VALUE      0x690541c0
+#define IXP435_PROCESSOR_ID_VALUE      0x69054040
+#define IXP465_PROCESSOR_ID_VALUE      0x69054200
+#define IXP4XX_PROCESSOR_ID_MASK       0xfffffff0
+
 #ifndef __ASSEMBLY__
+static inline int cpu_is_ixp42x(void)
+{
+       extern unsigned int processor_id;
+
+       if ((processor_id & IXP4XX_PROCESSOR_ID_MASK) ==
+            IXP425_PROCESSOR_ID_VALUE )
+               return 1;
+
+       return 0;
+}
+
+static inline int cpu_is_ixp43x(void)
+{
+#ifdef CONFIG_CPU_IXP43X
+       extern unsigned int processor_id;
+
+       if ((processor_id & IXP4XX_PROCESSOR_ID_MASK) ==
+            IXP435_PROCESSOR_ID_VALUE )
+               return 1;
+#endif
+       return 0;
+}
+
 static inline int cpu_is_ixp46x(void)
 {
 #ifdef CONFIG_CPU_IXP46X
-       unsigned int processor_id;
-
-       asm("mrc p15, 0, %0, cr0, cr0, 0;" : "=r"(processor_id) :);
+       extern unsigned int processor_id;
 
-       if ((processor_id & 0xffffff00) == 0x69054200)
+       if ((processor_id & IXP4XX_PROCESSOR_ID_MASK) ==
+            IXP465_PROCESSOR_ID_VALUE )
                return 1;
 #endif
        return 0;