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authorWim Van Sebroeck <wim@iguana.be>2007-05-11 19:03:13 +0000
committerWim Van Sebroeck <wim@iguana.be>2007-05-11 19:03:13 +0000
commit5c34202b8bf942da411b6599668a76b07449bbfd (patch)
tree5719c361321eaddc8e4f1b0c8a7994f0e9a6fdd3 /include/asm-arm/arch-ixp4xx/cpu.h
parent0d4804b31f91cfbcff6d62af0bc09a893a1c8ae0 (diff)
parent1f8a6b658a943b4f04a1fc7b3a420360202c86cd (diff)
downloadblackbird-op-linux-5c34202b8bf942da411b6599668a76b07449bbfd.tar.gz
blackbird-op-linux-5c34202b8bf942da411b6599668a76b07449bbfd.zip
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-arm/arch-ixp4xx/cpu.h')
-rw-r--r--include/asm-arm/arch-ixp4xx/cpu.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ixp4xx/cpu.h b/include/asm-arm/arch-ixp4xx/cpu.h
new file mode 100644
index 000000000000..d2523b326c6c
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+++ b/include/asm-arm/arch-ixp4xx/cpu.h
@@ -0,0 +1,31 @@
+/*
+ * include/asm-arm/arch-ixp4xx/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)
+
+#endif /* _ASM_ARCH_CPU_H */
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