1 files changed, 83 insertions, 0 deletions

diff --git a/include/asm-arm/arch-sa1100/hardware.h b/include/asm-arm/arch-sa1100/hardware.h
new file mode 100644
index 000000000000..10c62db34362
--- /dev/null
+++ b/include/asm-arm/arch-sa1100/hardware.h
@@ -0,0 +1,83 @@
+/*
+ * linux/include/asm-arm/arch-sa1100/hardware.h
+ *
+ * Copyright (C) 1998 Nicolas Pitre <nico@cam.org>
+ *
+ * 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
+
+#include <linux/config.h>
+
+/* Flushing areas */
+#define FLUSH_BASE_PHYS         0xe0000000      /* SA1100 zero bank */
+#define FLUSH_BASE              0xf5000000
+#define FLUSH_BASE_MINICACHE    0xf5800000
+#define UNCACHEABLE_ADDR        0xfa050000
+
+
+/*
+ * We requires absolute addresses i.e. (PCMCIA_IO_0_BASE + 0x3f8) for 
+ * in*()/out*() macros to be usable for all cases.
+ */
+#define PCIO_BASE               0
+
+
+/*
+ * 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 )
+
+#ifndef __ASSEMBLY__
+#include <asm/types.h>
+
+#if 0
+# define __REG(x)       (*((volatile u32 *)io_p2v(x)))
+#else
+/*
+ * This __REG() version gives the same results as the one above,  except
+ * that we are fooling gcc somehow so it generates far better and smaller
+ * assembly code for access to contigous registers.  It's a shame that gcc
+ * doesn't guess this by itself.
+ */
+typedef struct { volatile u32 offset[4096]; } __regbase;
+# define __REGP(x)      ((__regbase *)((x)&~4095))->offset[((x)&4095)>>2]
+# define __REG(x)       __REGP(io_p2v(x))
+#endif
+
+# define __PREG(x)      (io_v2p((u32)&(x)))
+
+#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 */