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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-sa1100/include/mach/hardware.h
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/hardware.h')
-rw-r--r--arch/arm/mach-sa1100/include/mach/hardware.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h
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@@ -0,0 +1,79 @@
+/*
+ * arch/arm/mach-sa1100/include/mach/hardware.h
+ *
+ * Copyright (C) 1998 Nicolas Pitre <nico@fluxnic.net>
+ *
+ * This file contains the hardware definitions for SA1100 architecture
+ *
+ * 2000/05/23 John Dorsey <john+@cs.cmu.edu>
+ * Definitions for SA1111 added.
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+
+#define UNCACHEABLE_ADDR 0xfa050000
+
+
+/*
+ * SA1100 internal I/O mappings
+ *
+ * We have the following mapping:
+ * phys virt
+ * 80000000 f8000000
+ * 90000000 fa000000
+ * a0000000 fc000000
+ * b0000000 fe000000
+ */
+
+#define VIO_BASE 0xf8000000 /* virtual start of IO space */
+#define VIO_SHIFT 3 /* x = IO space shrink power */
+#define PIO_START 0x80000000 /* physical start of IO space */
+
+#define io_p2v( x ) \
+ ( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
+#define io_v2p( x ) \
+ ( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
+
+#define CPU_SA1110_A0 (0)
+#define CPU_SA1110_B0 (4)
+#define CPU_SA1110_B1 (5)
+#define CPU_SA1110_B2 (6)
+#define CPU_SA1110_B4 (8)
+
+#define CPU_SA1100_ID (0x4401a110)
+#define CPU_SA1100_MASK (0xfffffff0)
+#define CPU_SA1110_ID (0x6901b110)
+#define CPU_SA1110_MASK (0xfffffff0)
+
+#ifndef __ASSEMBLY__
+
+#include <asm/cputype.h>
+
+#define CPU_REVISION (read_cpuid_id() & 15)
+
+#define cpu_is_sa1100() ((read_cpuid_id() & CPU_SA1100_MASK) == CPU_SA1100_ID)
+#define cpu_is_sa1110() ((read_cpuid_id() & CPU_SA1110_MASK) == CPU_SA1110_ID)
+
+# define __REG(x) (*((volatile unsigned long *)io_p2v(x)))
+# define __PREG(x) (io_v2p((unsigned long)&(x)))
+
+static inline unsigned long get_clock_tick_rate(void)
+{
+ return 3686400;
+}
+#else
+
+# define __REG(x) io_p2v(x)
+# define __PREG(x) io_v2p(x)
+
+#endif
+
+#include "SA-1100.h"
+
+#ifdef CONFIG_SA1101
+#include "SA-1101.h"
+#endif
+
+#endif /* _ASM_ARCH_HARDWARE_H */