@ -8,6 +8,11 @@
* 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
@ -16,6 +21,16 @@
# 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 .
*/
@ -29,63 +44,22 @@
# define UNCACHED_ADDR UNCACHED_PHYS_0
/*
* Intel PXA2xx internal register mapping :
* Intel PXA internal I / O mappings :
*
* 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
* 0x40000000 - 0x41ffffff < - - > 0xf8000000 - 0xf9ffffff
* 0x44000000 - 0x45ffffff < - - > 0xfa000000 - 0xfbffffff
* 0x48000000 - 0x49ffffff < - - > 0xfc000000 - 0xfdffffff
*/
# define io_p2v(x) ((((x) & 0xfc000000)>>4) + 0xf2000000 + ((x)&0x01ffffff))
# define io_v2p(x) (((((x) - 0xf2000000)&0xfc000000)<<4) + ((x)&0x01ffffff))
/*
* 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
*/
# 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 2 D 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 */
/* FIXME: Only this does work for u-boot... find out why... [RS] */
# define UBOOT_REG_FIX 1
# ifndef UBOOT_REG_FIX
# ifndef __ASSEMBLY__
#if 0
# define __REG(x) (*((volatile u32 *)io_p2v(x)) )
# else
# 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
@ -96,56 +70,66 @@
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
/* __REG_2 is for NAND, LCD etc.
* __REG_3 is for Camera Interface , 2 D 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)))
/* 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 /* ifndef __ASSEMBLY__ */
# else
# define __REG(x) io_p2v(x)
# define __PREG(x) io_v2p(x)
# ifdef CONFIG_CPU_MONAHANS
# define __REG_2(x) io_p2v(x)
# define __REG_3(x) io_p2v(x)
# endif /* CONFIG_CPU_MONAHANS */
# 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 */
# endif /* ifndef __ASSEMBLY__ */
# include "pxa-regs.h"
# ifndef __ASSEMBLY__
# ifdef CONFIG_MACH_ZYLONITE
# include "zylonite.h"
# endif
/*
* 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 pxa_gpio_mode ( int gpio_mode ) ;
extern void set_GPIO _mode( int gpio_mode ) ;
/*
* Routine to enable or disable CKEN
* return current lclk frequency in units of 10 kHz
*/
extern void pxa_set_cken ( int clock , int enable ) ;
extern unsigned int get_lclk_frequency_10khz ( void ) ;
# endif
/*
* return current memory and LCD clock frequency in units of 10 kHz
* Implementation specifics
*/
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"
@ -159,15 +143,6 @@ extern unsigned int get_lcdclk_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
@ -180,10 +155,4 @@ extern void __cpuc_flush_l2cache_all(void);
# include "pleb.h"
# endif
# ifdef CONFIG_MACH_MAINSTONE
# include "mainstone.h"
# endif
# include "pxa-regs.h"
# endif /* _ASM_ARCH_HARDWARE_H */
# endif /* _ASM_ARCH_HARDWARE_H */
Markus Klotzbcher
19 years ago
committed by
Markus Klotzbcher