linux-sg2042/include/asm-arm/arch-imx/hardware.h

100 lines
2.7 KiB
C

/*
* linux/include/asm-arm/arch-imx/hardware.h
*
* Copyright (C) 1999 ARM Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <asm/sizes.h>
#include "imx-regs.h"
#ifndef __ASSEMBLY__
# define __REG(x) (*((volatile u32 *)IO_ADDRESS(x)))
# define __REG2(x,y) (*(volatile u32 *)((u32)&__REG(x) + (y)))
#endif
/*
* Memory map
*/
#define IMX_IO_PHYS 0x00200000
#define IMX_IO_SIZE 0x00100000
#define IMX_IO_BASE 0xe0000000
#define IMX_CS0_PHYS 0x10000000
#define IMX_CS0_SIZE 0x02000000
#define IMX_CS0_VIRT 0xe8000000
#define IMX_CS1_PHYS 0x12000000
#define IMX_CS1_SIZE 0x01000000
#define IMX_CS1_VIRT 0xea000000
#define IMX_CS2_PHYS 0x13000000
#define IMX_CS2_SIZE 0x01000000
#define IMX_CS2_VIRT 0xeb000000
#define IMX_CS3_PHYS 0x14000000
#define IMX_CS3_SIZE 0x01000000
#define IMX_CS3_VIRT 0xec000000
#define IMX_CS4_PHYS 0x15000000
#define IMX_CS4_SIZE 0x01000000
#define IMX_CS4_VIRT 0xed000000
#define IMX_CS5_PHYS 0x16000000
#define IMX_CS5_SIZE 0x01000000
#define IMX_CS5_VIRT 0xee000000
#define IMX_FB_VIRT 0xF1000000
#define IMX_FB_SIZE (256*1024)
/* macro to get at IO space when running virtually */
#define IO_ADDRESS(x) ((x) | IMX_IO_BASE)
#ifndef __ASSEMBLY__
/*
* Handy routine to set GPIO functions
*/
extern void imx_gpio_mode( int gpio_mode );
/* get frequencies in Hz */
extern unsigned int imx_get_system_clk(void);
extern unsigned int imx_get_mcu_clk(void);
extern unsigned int imx_get_perclk1(void); /* UART[12], Timer[12], PWM */
extern unsigned int imx_get_perclk2(void); /* LCD, SD, SPI[12] */
extern unsigned int imx_get_perclk3(void); /* SSI */
extern unsigned int imx_get_hclk(void); /* SDRAM, CSI, Memory Stick,*/
/* I2C, DMA */
#endif
#define MAXIRQNUM 62
#define MAXFIQNUM 62
#define MAXSWINUM 62
/*
* Use SDRAM for memory
*/
#define MEM_SIZE 0x01000000
#ifdef CONFIG_ARCH_MX1ADS
#include "mx1ads.h"
#endif
#endif