diff options
Diffstat (limited to 'include/asm-arm/arch-pxa/hardware.h')
| -rw-r--r-- | include/asm-arm/arch-pxa/hardware.h | 155 |
1 files changed, 95 insertions, 60 deletions
diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h index 3ff1d2614..a12aea14c 100644 --- a/include/asm-arm/arch-pxa/hardware.h +++ b/include/asm-arm/arch-pxa/hardware.h @@ -8,11 +8,6 @@ * 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 @@ -21,16 +16,6 @@ #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. */ @@ -44,22 +29,63 @@ #define UNCACHED_ADDR UNCACHED_PHYS_0 /* - * Intel PXA internal I/O mappings: + * Intel PXA2xx internal register mapping: * - * 0x40000000 - 0x41ffffff <--> 0xf8000000 - 0xf9ffffff - * 0x44000000 - 0x45ffffff <--> 0xfa000000 - 0xfbffffff - * 0x48000000 - 0x49ffffff <--> 0xfc000000 - 0xfdffffff + * 0x40000000 - 0x41ffffff <--> 0xf2000000 - 0xf3ffffff + * 0x44000000 - 0x45ffffff <--> 0xf4000000 - 0xf5ffffff + * 0x48000000 - 0x49ffffff <--> 0xf6000000 - 0xf7ffffff + * 0x4c000000 - 0x4dffffff <--> 0xf8000000 - 0xf9ffffff + * 0x50000000 - 0x51ffffff <--> 0xfa000000 - 0xfbffffff + * 0x54000000 - 0x55ffffff <--> 0xfc000000 - 0xfdffffff + * 0x58000000 - 0x59ffffff <--> 0xfe000000 - 0xffffffff + * + * Note that not all PXA2xx chips implement all those addresses, and the + * kernel only maps the minimum needed range of this mapping. + */ +#ifndef CONFIG_CPU_MONAHANS +#define io_p2v(x) (0xf2000000 + ((x) & 0x01ffffff) + (((x) & 0x1c000000) >> 1)) +#define io_v2p(x) (0x3c000000 + ((x) & 0x01ffffff) + (((x) & 0x0e000000) << 1)) +#else + +/* There are too many IO area needed to map, so I divide them into 3 areas + * 0x40000000 - 0x41ffffff <--> 0xf6000000 - 0xf7ffffff Devs */ +#define io_p2v(x) ((((x) & 0xfc000000)>>4) + 0xf2000000 + ((x)&0x01ffffff)) +#define io_v2p(x) (((((x) - 0xf2000000)&0xfc000000)<<4) + ((x)&0x01ffffff)) -/* FIXME: Only this does work for u-boot... find out why... [RS] */ -#define UBOOT_REG_FIX 1 +/* + * 0x42000000 - 0x421fffff <--> 0xf8000000 - 0xf81fffff MMC2 & USIM2 + * 0x43000000 - 0x430fffff <--> 0xf8200000 - 0xf82fffff Caddo + * 0x43100000 - 0x431fffff <--> 0xf8300000 - 0xf83fffff NAND + * 0x44000000 - 0x440fffff <--> 0xf8400000 - 0xf84fffff LCD + * 0x46000000 - 0x460fffff <--> 0xf8800000 - 0xf88fffff Mini LCD + * 0x48100000 - 0x481fffff <--> 0xf8d00000 - 0xf8dfffff Dynamic Mem Ctl + * 0x4a000000 - 0x4a0fffff <--> 0xf9000000 - 0xf90fffff Static Mem Ctl + * 0x4c000000 - 0x4c0fffff <--> 0xf9400000 - 0xf94fffff USB Host + */ -#ifndef UBOOT_REG_FIX -#ifndef __ASSEMBLY__ +#define io_p2v_2(x) (((((x) - 0x42000000) & 0xff000000) >> 3) + 0xf8000000\ + + ((x) & 0x001fffff)) +#define io_v2p_2(x) (((((x) & 0xffe00000) - 0xf8000000) << 3) + 0x42000000\ + + (x & 0x001fffff)) +/* + * 0x50000000 - 0x500fffff <--> 0xfa000000 - 0xfa0fffff Camera Interface + * 0x54000000 - 0x540fffff <--> 0xfa400000 - 0xfa4fffff 2D Graphics Ctrl + * 0x54100000 - 0x541fffff <--> 0xfa500000 - 0xfa5fffff USB Device 2.0 Ctrl + * 0x58000000 - 0x580fffff <--> 0xfa800000 - 0xfa8fffff Internal SRAM Ctrl + */ + +#define io_p2v_3(x) ((((x) & 0xfc000000) >> 4) + 0xf5000000 + \ + ((x) & 0x001fffff)) +#define io_v2p_3(x) (((((x) - 0xf5000000) & 0x0fc00000) << 4) + \ + ((x) & 0x001fffff)) +#endif /* CONFIG_CPU_MONAHANS */ -#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 @@ -70,62 +96,56 @@ 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))) ) +/* __REG_2 is for NAND, LCD etc. + * __REG_3 is for Camera Interface, 2D Graphics, U2D etc.*/ +#ifdef CONFIG_CPU_MONAHANS +#define __REG_2(x) __REGP(io_p2v_2(x)) +#define __REG_3(x) __REGP(io_p2v_3(x)) + +#endif /* CONFIG_CPU_MONAHANS */ +#endif /* if 0 */ + +/* With indexed regs we don't want to feed the index through io_p2v() + especially if it is a variable, otherwise horrible code will result. */ +# define __REG2(x,y) (*(volatile u32 *)((u32)&__REG(x) + (y))) # define __PREG(x) (io_v2p((u32)&(x))) -#else +#else /* ifndef __ASSEMBLY__ */ # 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) -# endif -#endif /* UBOOT_REG_FIX */ +#ifdef CONFIG_CPU_MONAHANS +# define __REG_2(x) io_p2v(x) +# define __REG_3(x) io_p2v(x) +#endif /* CONFIG_CPU_MONAHANS */ -#include "pxa-regs.h" +#endif /* ifndef __ASSEMBLY__ */ #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 ); +#ifdef CONFIG_MACH_ZYLONITE +#include "zylonite.h" +#endif /* * Handy routine to set GPIO alternate functions */ -extern void set_GPIO_mode( int gpio_mode ); +extern void pxa_gpio_mode( int gpio_mode ); /* - * return current lclk frequency in units of 10kHz + * Routine to enable or disable CKEN */ -extern unsigned int get_lclk_frequency_10khz(void); - -#endif - +extern void pxa_set_cken(int clock, int enable); /* - * Implementation specifics + * return current memory and LCD clock frequency in units of 10kHz */ +extern unsigned int get_memclk_frequency_10khz(void); +extern unsigned int get_lcdclk_frequency_10khz(void); +#endif /* __ASSEMBLY__ */ #ifdef CONFIG_ARCH_LUBBOCK #include "lubbock.h" @@ -139,6 +159,15 @@ extern unsigned int get_lclk_frequency_10khz(void); #include "cerf.h" #endif +#if CONFIG_CPU_MONAHANS_L2CACHE +#define __cpuc_flush_l2cache_all xscale_flush_l2cache_all +extern void __cpuc_flush_l2cache_all(void); +#define flush_l2cache_all __cpuc_flush_l2cache_all +#else +#define __cpuc_flush_l2cache_all() do {} while (0) +#define flush_l2cache_all() do {} while (0) +#endif + #ifdef CONFIG_ARCH_CSB226 #include "csb226.h" #endif @@ -151,4 +180,10 @@ extern unsigned int get_lclk_frequency_10khz(void); #include "pleb.h" #endif -#endif /* _ASM_ARCH_HARDWARE_H */ +#ifdef CONFIG_MACH_MAINSTONE +#include "mainstone.h" +#endif + +#include "pxa-regs.h" + +#endif /* _ASM_ARCH_HARDWARE_H */ |