/* * 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) # 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) # ifdef CONFIG_CPU_MONAHANS /* Hack to make this work with mona's pxa-regs.h */ # define __REG_2(x) (x) # define __REG_3(x) (x) # endif # endif #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 #ifdef CONFIG_ARCH_PLEB #include "pleb.h" #endif #endif /* _ASM_ARCH_HARDWARE_H */