include/asm-arm/arch-omap/io.h - maze/linux - Git at Google

 /*
  * linux/include/asm-arm/arch-omap/io.h
  *
  * IO definitions for TI OMAP processors and boards
  *
  * Copied from linux/include/asm-arm/arch-sa1100/io.h
  * Copyright (C) 1997-1999 Russell King
  *
  * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * 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.,
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  * Modifications:
  *  06-12-1997	RMK	Created.
  *  07-04-1999	RMK	Major cleanup
  */

 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H

 #include <asm/arch/hardware.h>

 #define IO_SPACE_LIMIT 0xffffffff

 /*
  * We don't actually have real ISA nor PCI buses, but there is so many
  * drivers out there that might just work if we fake them...
  */
 #define __io(a)			((void __iomem *)(PCIO_BASE + (a)))
 #define __mem_pci(a)		(a)

 /*
  * ----------------------------------------------------------------------------
  * I/O mapping
  * ----------------------------------------------------------------------------
  */

 #define PCIO_BASE	0

 #if defined(CONFIG_ARCH_OMAP1)

 #define IO_PHYS		0xFFFB0000
 #define IO_OFFSET	0x01000000	/* Virtual IO = 0xfefb0000 */
 #define IO_SIZE		0x40000
 #define IO_VIRT		(IO_PHYS - IO_OFFSET)
 #define IO_ADDRESS(pa)	((pa) - IO_OFFSET)
 #define OMAP1_IO_ADDRESS(pa)	((pa) - IO_OFFSET)
 #define io_p2v(pa)	((pa) - IO_OFFSET)
 #define io_v2p(va)	((va) + IO_OFFSET)

 #elif defined(CONFIG_ARCH_OMAP2)

 /* We map both L3 and L4 on OMAP2 */
 #define L3_24XX_PHYS	L3_24XX_BASE	/* 0x68000000 */
 #define L3_24XX_VIRT	0xf8000000
 #define L3_24XX_SIZE	SZ_1M		/* 44kB of 128MB used, want 1MB sect */
 #define L4_24XX_PHYS	L4_24XX_BASE	/* 0x48000000 */
 #define L4_24XX_VIRT	0xd8000000
 #define L4_24XX_SIZE	SZ_1M		/* 1MB of 128MB used, want 1MB sect */

 #ifdef CONFIG_ARCH_OMAP2430
 #define L4_WK_243X_PHYS		L4_WK_243X_BASE		/* 0x49000000 */
 #define L4_WK_243X_VIRT		0xd9000000
 #define L4_WK_243X_SIZE		SZ_1M
 #define OMAP243X_GPMC_PHYS	OMAP243X_GPMC_BASE	/* 0x49000000 */
 #define OMAP243X_GPMC_VIRT	0xFE000000
 #define OMAP243X_GPMC_SIZE	SZ_1M
 #define OMAP243X_SDRC_PHYS	OMAP243X_SDRC_BASE
 #define OMAP243X_SDRC_VIRT	0xFD000000
 #define OMAP243X_SDRC_SIZE	SZ_1M
 #define OMAP243X_SMS_PHYS	OMAP243X_SMS_BASE
 #define OMAP243X_SMS_VIRT	0xFC000000
 #define OMAP243X_SMS_SIZE	SZ_1M

 #endif

 #define IO_OFFSET	0x90000000
 #define IO_ADDRESS(pa)	((pa) + IO_OFFSET)	/* Works for L3 and L4 */
 #define OMAP2_IO_ADDRESS(pa)	((pa) + IO_OFFSET)	/* Works for L3 and L4 */
 #define io_p2v(pa)	((pa) + IO_OFFSET)	/* Works for L3 and L4 */
 #define io_v2p(va)	((va) - IO_OFFSET)	/* Works for L3 and L4 */

 /* DSP */
 #define DSP_MEM_24XX_PHYS	OMAP2420_DSP_MEM_BASE	/* 0x58000000 */
 #define DSP_MEM_24XX_VIRT	0xe0000000
 #define DSP_MEM_24XX_SIZE	0x28000
 #define DSP_IPI_24XX_PHYS	OMAP2420_DSP_IPI_BASE	/* 0x59000000 */
 #define DSP_IPI_24XX_VIRT	0xe1000000
 #define DSP_IPI_24XX_SIZE	SZ_4K
 #define DSP_MMU_24XX_PHYS	OMAP2420_DSP_MMU_BASE	/* 0x5a000000 */
 #define DSP_MMU_24XX_VIRT	0xe2000000
 #define DSP_MMU_24XX_SIZE	SZ_4K

 #elif defined(CONFIG_ARCH_OMAP3)

 /* We map both L3 and L4 on OMAP3 */
 #define L3_34XX_PHYS		L3_34XX_BASE	/* 0x68000000 */
 #define L3_34XX_VIRT		0xf8000000
 #define L3_34XX_SIZE		SZ_1M   /* 44kB of 128MB used, want 1MB sect */

 #define L4_34XX_PHYS		L4_34XX_BASE	/* 0x48000000 */
 #define L4_34XX_VIRT		0xd8000000
 #define L4_34XX_SIZE		SZ_4M   /* 1MB of 128MB used, want 1MB sect */

 /*
  * Need to look at the Size 4M for L4.
  * VPOM3430 was not working for Int controller
  */

 #define L4_WK_34XX_PHYS		L4_WK_34XX_BASE /* 0x48300000 */
 #define L4_WK_34XX_VIRT		0xd8300000
 #define L4_WK_34XX_SIZE		SZ_1M

 #define L4_PER_34XX_PHYS	L4_PER_34XX_BASE /* 0x49000000 */
 #define L4_PER_34XX_VIRT	0xd9000000
 #define L4_PER_34XX_SIZE	SZ_1M

 #define L4_EMU_34XX_PHYS	L4_EMU_34XX_BASE /* 0x54000000 */
 #define L4_EMU_34XX_VIRT	0xe4000000
 #define L4_EMU_34XX_SIZE	SZ_64M

 #define OMAP34XX_GPMC_PHYS	OMAP34XX_GPMC_BASE /* 0x6E000000 */
 #define OMAP34XX_GPMC_VIRT	0xFE000000
 #define OMAP34XX_GPMC_SIZE	SZ_1M

 #define OMAP343X_SMS_PHYS	OMAP343X_SMS_BASE /* 0x6C000000 */
 #define OMAP343X_SMS_VIRT	0xFC000000
 #define OMAP343X_SMS_SIZE	SZ_1M

 #define OMAP343X_SDRC_PHYS	OMAP343X_SDRC_BASE /* 0x6D000000 */
 #define OMAP343X_SDRC_VIRT	0xFD000000
 #define OMAP343X_SDRC_SIZE	SZ_1M


 #define IO_OFFSET		0x90000000
 #define IO_ADDRESS(pa)		((pa) + IO_OFFSET)/* Works for L3 and L4 */
 #define OMAP2_IO_ADDRESS(pa)	((pa) + IO_OFFSET)/* Works for L3 and L4 */
 #define io_p2v(pa)		((pa) + IO_OFFSET)/* Works for L3 and L4 */
 #define io_v2p(va)		((va) - IO_OFFSET)/* Works for L3 and L4 */

 /* DSP */
 #define DSP_MEM_34XX_PHYS	OMAP34XX_DSP_MEM_BASE	/* 0x58000000 */
 #define DSP_MEM_34XX_VIRT	0xe0000000
 #define DSP_MEM_34XX_SIZE	0x28000
 #define DSP_IPI_34XX_PHYS	OMAP34XX_DSP_IPI_BASE	/* 0x59000000 */
 #define DSP_IPI_34XX_VIRT	0xe1000000
 #define DSP_IPI_34XX_SIZE	SZ_4K
 #define DSP_MMU_34XX_PHYS	OMAP34XX_DSP_MMU_BASE	/* 0x5a000000 */
 #define DSP_MMU_34XX_VIRT	0xe2000000
 #define DSP_MMU_34XX_SIZE	SZ_4K

 #endif

 #ifndef __ASSEMBLER__

 /*
  * Functions to access the OMAP IO region
  *
  * NOTE: - Use omap_read/write[bwl] for physical register addresses
  *	 - Use __raw_read/write[bwl]() for virtual register addresses
  *	 - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses
  *	 - DO NOT use hardcoded virtual addresses to allow changing the
  *	   IO address space again if needed
  */
 #define omap_readb(a)		(*(volatile unsigned char  *)IO_ADDRESS(a))
 #define omap_readw(a)		(*(volatile unsigned short *)IO_ADDRESS(a))
 #define omap_readl(a)		(*(volatile unsigned int   *)IO_ADDRESS(a))

 #define omap_writeb(v,a)	(*(volatile unsigned char  *)IO_ADDRESS(a) = (v))
 #define omap_writew(v,a)	(*(volatile unsigned short *)IO_ADDRESS(a) = (v))
 #define omap_writel(v,a)	(*(volatile unsigned int   *)IO_ADDRESS(a) = (v))

 extern void omap1_map_common_io(void);
 extern void omap1_init_common_hw(void);

 extern void omap2_map_common_io(void);
 extern void omap2_init_common_hw(void);

 #endif

 #endif
	/*
	* linux/include/asm-arm/arch-omap/io.h
	*
	* IO definitions for TI OMAP processors and boards
	*
	* Copied from linux/include/asm-arm/arch-sa1100/io.h
	* Copyright (C) 1997-1999 Russell King
	*
	* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
	* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*
	* 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.,
	* 675 Mass Ave, Cambridge, MA 02139, USA.
	*
	* Modifications:
	* 06-12-1997 RMK Created.
	* 07-04-1999 RMK Major cleanup
	*/

	#ifndef __ASM_ARM_ARCH_IO_H
	#define __ASM_ARM_ARCH_IO_H

	#include <asm/arch/hardware.h>

	#define IO_SPACE_LIMIT 0xffffffff

	/*
	* We don't actually have real ISA nor PCI buses, but there is so many
	* drivers out there that might just work if we fake them...
	*/
	#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
	#define __mem_pci(a) (a)

	/*
	* ----------------------------------------------------------------------------
	* I/O mapping
	* ----------------------------------------------------------------------------
	*/

	#define PCIO_BASE 0

	#if defined(CONFIG_ARCH_OMAP1)

	#define IO_PHYS 0xFFFB0000
	#define IO_OFFSET 0x01000000 /* Virtual IO = 0xfefb0000 */
	#define IO_SIZE 0x40000
	#define IO_VIRT (IO_PHYS - IO_OFFSET)
	#define IO_ADDRESS(pa) ((pa) - IO_OFFSET)
	#define OMAP1_IO_ADDRESS(pa) ((pa) - IO_OFFSET)
	#define io_p2v(pa) ((pa) - IO_OFFSET)
	#define io_v2p(va) ((va) + IO_OFFSET)

	#elif defined(CONFIG_ARCH_OMAP2)

	/* We map both L3 and L4 on OMAP2 */
	#define L3_24XX_PHYS L3_24XX_BASE /* 0x68000000 */
	#define L3_24XX_VIRT 0xf8000000
	#define L3_24XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */
	#define L4_24XX_PHYS L4_24XX_BASE /* 0x48000000 */
	#define L4_24XX_VIRT 0xd8000000
	#define L4_24XX_SIZE SZ_1M /* 1MB of 128MB used, want 1MB sect */

	#ifdef CONFIG_ARCH_OMAP2430
	#define L4_WK_243X_PHYS L4_WK_243X_BASE /* 0x49000000 */
	#define L4_WK_243X_VIRT 0xd9000000
	#define L4_WK_243X_SIZE SZ_1M
	#define OMAP243X_GPMC_PHYS OMAP243X_GPMC_BASE /* 0x49000000 */
	#define OMAP243X_GPMC_VIRT 0xFE000000
	#define OMAP243X_GPMC_SIZE SZ_1M
	#define OMAP243X_SDRC_PHYS OMAP243X_SDRC_BASE
	#define OMAP243X_SDRC_VIRT 0xFD000000
	#define OMAP243X_SDRC_SIZE SZ_1M
	#define OMAP243X_SMS_PHYS OMAP243X_SMS_BASE
	#define OMAP243X_SMS_VIRT 0xFC000000
	#define OMAP243X_SMS_SIZE SZ_1M

	#endif

	#define IO_OFFSET 0x90000000
	#define IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
	#define OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
	#define io_p2v(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
	#define io_v2p(va) ((va) - IO_OFFSET) /* Works for L3 and L4 */

	/* DSP */
	#define DSP_MEM_24XX_PHYS OMAP2420_DSP_MEM_BASE /* 0x58000000 */
	#define DSP_MEM_24XX_VIRT 0xe0000000
	#define DSP_MEM_24XX_SIZE 0x28000
	#define DSP_IPI_24XX_PHYS OMAP2420_DSP_IPI_BASE /* 0x59000000 */
	#define DSP_IPI_24XX_VIRT 0xe1000000
	#define DSP_IPI_24XX_SIZE SZ_4K
	#define DSP_MMU_24XX_PHYS OMAP2420_DSP_MMU_BASE /* 0x5a000000 */
	#define DSP_MMU_24XX_VIRT 0xe2000000
	#define DSP_MMU_24XX_SIZE SZ_4K

	#elif defined(CONFIG_ARCH_OMAP3)

	/* We map both L3 and L4 on OMAP3 */
	#define L3_34XX_PHYS L3_34XX_BASE /* 0x68000000 */
	#define L3_34XX_VIRT 0xf8000000
	#define L3_34XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */

	#define L4_34XX_PHYS L4_34XX_BASE /* 0x48000000 */
	#define L4_34XX_VIRT 0xd8000000
	#define L4_34XX_SIZE SZ_4M /* 1MB of 128MB used, want 1MB sect */

	/*
	* Need to look at the Size 4M for L4.
	* VPOM3430 was not working for Int controller
	*/

	#define L4_WK_34XX_PHYS L4_WK_34XX_BASE /* 0x48300000 */
	#define L4_WK_34XX_VIRT 0xd8300000
	#define L4_WK_34XX_SIZE SZ_1M

	#define L4_PER_34XX_PHYS L4_PER_34XX_BASE /* 0x49000000 */
	#define L4_PER_34XX_VIRT 0xd9000000
	#define L4_PER_34XX_SIZE SZ_1M

	#define L4_EMU_34XX_PHYS L4_EMU_34XX_BASE /* 0x54000000 */
	#define L4_EMU_34XX_VIRT 0xe4000000
	#define L4_EMU_34XX_SIZE SZ_64M

	#define OMAP34XX_GPMC_PHYS OMAP34XX_GPMC_BASE /* 0x6E000000 */
	#define OMAP34XX_GPMC_VIRT 0xFE000000
	#define OMAP34XX_GPMC_SIZE SZ_1M

	#define OMAP343X_SMS_PHYS OMAP343X_SMS_BASE /* 0x6C000000 */
	#define OMAP343X_SMS_VIRT 0xFC000000
	#define OMAP343X_SMS_SIZE SZ_1M

	#define OMAP343X_SDRC_PHYS OMAP343X_SDRC_BASE /* 0x6D000000 */
	#define OMAP343X_SDRC_VIRT 0xFD000000
	#define OMAP343X_SDRC_SIZE SZ_1M


	#define IO_OFFSET 0x90000000
	#define IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
	#define OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
	#define io_p2v(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
	#define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */

	/* DSP */
	#define DSP_MEM_34XX_PHYS OMAP34XX_DSP_MEM_BASE /* 0x58000000 */
	#define DSP_MEM_34XX_VIRT 0xe0000000
	#define DSP_MEM_34XX_SIZE 0x28000
	#define DSP_IPI_34XX_PHYS OMAP34XX_DSP_IPI_BASE /* 0x59000000 */
	#define DSP_IPI_34XX_VIRT 0xe1000000
	#define DSP_IPI_34XX_SIZE SZ_4K
	#define DSP_MMU_34XX_PHYS OMAP34XX_DSP_MMU_BASE /* 0x5a000000 */
	#define DSP_MMU_34XX_VIRT 0xe2000000
	#define DSP_MMU_34XX_SIZE SZ_4K

	#endif

	#ifndef __ASSEMBLER__

	/*
	* Functions to access the OMAP IO region
	*
	* NOTE: - Use omap_read/write[bwl] for physical register addresses
	* - Use __raw_read/write[bwl]() for virtual register addresses
	* - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses
	* - DO NOT use hardcoded virtual addresses to allow changing the
	* IO address space again if needed
	*/
	#define omap_readb(a) ((volatile unsigned char )IO_ADDRESS(a))
	#define omap_readw(a) ((volatile unsigned short )IO_ADDRESS(a))
	#define omap_readl(a) ((volatile unsigned int )IO_ADDRESS(a))

	#define omap_writeb(v,a) ((volatile unsigned char )IO_ADDRESS(a) = (v))
	#define omap_writew(v,a) ((volatile unsigned short )IO_ADDRESS(a) = (v))
	#define omap_writel(v,a) ((volatile unsigned int )IO_ADDRESS(a) = (v))

	extern void omap1_map_common_io(void);
	extern void omap1_init_common_hw(void);

	extern void omap2_map_common_io(void);
	extern void omap2_init_common_hw(void);

	#endif

	#endif