Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB
  [ARM] 5166/1: magician: add MAINTAINERS entry
  [ARM] fix pnx4008 build errors
  [ARM] Fix SMP booting with non-zero PHYS_OFFSET
  [ARM] 5185/1: Fix spi num_chipselect for lubbock
  [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
  [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include
  [ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead
  [ARM] Eliminate useless includes of asm/mach-types.h
  [ARM] Fix circular include dependency with IRQ headers
  avr32: Use <mach/foo.h> instead of <asm/arch/foo.h>
  avr32: Introduce arch/avr32/mach-*/include/mach
  avr32: Move include/asm-avr32 to arch/avr32/include/asm
  [ARM] sa1100_wdt: use reset_status to remember watchdog reset status
  [ARM] pxa: introduce reset_status and clear_reset_status for driver's usage
  [ARM] pxa: introduce reset.h for reset specific header information

1 files changed, 46 insertions, 0 deletions

diff --git a/arch/arm/mach-ixp4xx/include/mach/cpu.h b/arch/arm/mach-ixp4xx/include/mach/cpu.h
new file mode 100644
index 0000000..ff8aa23
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/include/mach/cpu.h
@@ -0,0 +1,46 @@
+/*
+ * arch/arm/mach-ixp4xx/include/mach/cpu.h
+ *
+ * IXP4XX cpu type detection
+ *
+ * Copyright (C) 2007 MontaVista Software, Inc.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __ASM_ARCH_CPU_H__
+#define __ASM_ARCH_CPU_H__
+
+extern unsigned int processor_id;
+/* 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
+
+#define cpu_is_ixp42x()	((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
+			  IXP425_PROCESSOR_ID_VALUE)
+#define cpu_is_ixp43x()	((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
+			  IXP435_PROCESSOR_ID_VALUE)
+#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 */