- /*
- * 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.
- */
- #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
- */
- #define io_p2v(x) ( ((x) | 0xbe000000) ^ (~((x) >> 1) & 0x06000000) )
- #define io_v2p( x ) ( ((x) & 0x41ffffff) ^ ( ((x) & 0x06000000) << 1) )
- #ifndef __ASSEMBLY__
- #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.
- */
- #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
- #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
- #endif /* _ASM_ARCH_HARDWARE_H */