Patch by Kyle Harris, 20 May 2003:

In preparation for an ixp port, rename cpu/xscale and arch-xscale
into cpu/pxa and arch-pxa.

1 files changed, 153 insertions, 0 deletions

diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h
new file mode 100644
index 0000000..b84ea48
--- /dev/null
+++ b/include/asm-arm/arch-pxa/hardware.h
@@ -0,0 +1,153 @@
+/*
+ *  linux/include/asm-arm/arch-pxa/hardware.h
+ *
+ *  Author:	Nicolas Pitre
+ *  Created:	Jun 15, 2001
+ *  Copyright:	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.
+ *
+ * Note: This file was taken from linux-2.4.19-rmk4-pxa1
+ *
+ * - 2003/01/20 implementation specifics activated
+ *   Robert Schwebel <r.schwebel@pengutronix.de>
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <linux/config.h>
+#include <asm/mach-types.h>
+
+
+/*
+ * These are statically mapped PCMCIA IO space for designs using it as a
+ * generic IO bus, typically with ISA parts, hardwired IDE interfaces, etc.
+ * The actual PCMCIA code is mapping required IO region at run time.
+ */
+#define PCMCIA_IO_0_BASE	0xf6000000
+#define PCMCIA_IO_1_BASE	0xf7000000
+
+
+/*
+ * We requires absolute addresses.
+ */
+#define PCIO_BASE		0
+
+/*
+ * Workarounds for at least 2 errata so far require this.
+ * The mapping is set in mach-pxa/generic.c.
+ */
+#define UNCACHED_PHYS_0		0xff000000
+#define UNCACHED_ADDR		UNCACHED_PHYS_0
+
+/*
+ * Intel PXA internal I/O mappings:
+ *
+ * 0x40000000 - 0x41ffffff <--> 0xf8000000 - 0xf9ffffff
+ * 0x44000000 - 0x45ffffff <--> 0xfa000000 - 0xfbffffff
+ * 0x48000000 - 0x49ffffff <--> 0xfc000000 - 0xfdffffff
+ */
+
+/* FIXME: Only this does work for u-boot... find out why... [RS] */
+#define UBOOT_REG_FIX 1
+
+#ifndef UBOOT_REG_FIX
+#ifndef __ASSEMBLY__
+
+#define io_p2v(x)	( ((x) | 0xbe000000) ^ (~((x) >> 1) & 0x06000000) )
+#define io_v2p( x )	( ((x) & 0x41ffffff) ^ ( ((x) & 0x06000000) << 1) )
+
+/*
+ * 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.
+ */
+#include <asm/types.h>
+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
+
+/* Let's kick gcc's ass again... */
+# define __REG2(x,y)	\
+	( __builtin_constant_p(y) ? (__REG((x) + (y))) \
+				  : (*(volatile u32 *)((u32)&__REG(x) + (y))) )
+
+# define __PREG(x)	(io_v2p((u32)&(x)))
+
+#else
+
+# define __REG(x)	io_p2v(x)
+# define __PREG(x)	io_v2p(x)
+
+#endif
+#endif /* UBOOT_REG_FIX */
+	
+#ifdef UBOOT_REG_FIX
+# undef	io_p2v
+# undef __REG
+# ifndef __ASSEMBLY__
+#  define io_p2v(PhAdd)    (PhAdd)
+#  define __REG(x)	(*((volatile u32 *)io_p2v(x)))
+#  define __REG2(x,y)	(*(volatile u32 *)((u32)&__REG(x) + (y)))	
+# else
+#  define __REG(x) (x)	
+#endif /* UBOOT_REG_FIX */
+
+#include "pxa-regs.h"
+
+#ifndef __ASSEMBLY__
+
+/*
+ * GPIO edge detection for IRQs:
+ * IRQs are generated on Falling-Edge, Rising-Edge, or both.
+ * This must be called *before* the corresponding IRQ is registered.
+ * Use this instead of directly setting GRER/GFER.
+ */
+#define GPIO_FALLING_EDGE       1
+#define GPIO_RISING_EDGE        2
+#define GPIO_BOTH_EDGES         3
+extern void set_GPIO_IRQ_edge( int gpio_nr, int edge_mask );
+
+/*
+ * Handy routine to set GPIO alternate functions
+ */
+extern void set_GPIO_mode( int gpio_mode );
+
+/*
+ * return current lclk frequency in units of 10kHz
+ */
+extern unsigned int get_lclk_frequency_10khz(void);
+
+#endif
+
+
+/*
+ * Implementation specifics
+ */
+
+#ifdef CONFIG_ARCH_LUBBOCK
+#include "lubbock.h"
+#endif
+
+#ifdef CONFIG_ARCH_PXA_IDP
+#include "idp.h"
+#endif
+
+#ifdef CONFIG_ARCH_PXA_CERF
+#include "cerf.h"
+#endif
+
+#ifdef CONFIG_ARCH_CSB226
+#include "csb226.h"
+#endif
+
+#ifdef CONFIG_ARCH_INNOKOM
+#include "innokom.h"
+#endif
+
+#endif  /* _ASM_ARCH_HARDWARE_H */