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io.h

/*
 * arch/arm/plat-omap/include/mach/io.h
 *
 * IO definitions for TI OMAP processors and boards
 *
 * Copied from arch/arm/mach-sa1100/include/mach/io.h
 * Copyright (C) 1997-1999 Russell King
 *
 * Copyright (C) 2009 Texas Instruments
 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
 *
 * 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 <mach/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)         __typesafe_io(a)
#define __mem_pci(a)    (a)

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

#ifdef __ASSEMBLER__
#define IOMEM(x)        (x)
#else
#define IOMEM(x)        ((void __force __iomem *)(x))
#endif

#define OMAP1_IO_OFFSET       0x01000000  /* Virtual IO = 0xfefb0000 */
#define OMAP1_IO_ADDRESS(pa)  IOMEM((pa) - OMAP1_IO_OFFSET)

#define OMAP2_L3_IO_OFFSET    0x90000000
#define OMAP2_L3_IO_ADDRESS(pa)     IOMEM((pa) + OMAP2_L3_IO_OFFSET) /* L3 */


#define OMAP2_L4_IO_OFFSET    0xb2000000
#define OMAP2_L4_IO_ADDRESS(pa)     IOMEM((pa) + OMAP2_L4_IO_OFFSET) /* L4 */

#define OMAP4_L3_IO_OFFSET    0xb4000000
#define OMAP4_L3_IO_ADDRESS(pa)     IOMEM((pa) + OMAP4_L3_IO_OFFSET) /* L3 */

#define OMAP4_L3_PER_IO_OFFSET      0xb1100000
#define OMAP4_L3_PER_IO_ADDRESS(pa) IOMEM((pa) + OMAP4_L3_PER_IO_OFFSET)

#define OMAP4_GPMC_IO_OFFSET        0xa9000000
#define OMAP4_GPMC_IO_ADDRESS(pa)   IOMEM((pa) + OMAP4_GPMC_IO_OFFSET)

#define OMAP2_EMU_IO_OFFSET         0xaa800000  /* Emulation */
#define OMAP2_EMU_IO_ADDRESS(pa)    IOMEM((pa) + OMAP2_EMU_IO_OFFSET)

/*
 * ----------------------------------------------------------------------------
 * Omap1 specific IO mapping
 * ----------------------------------------------------------------------------
 */

#define OMAP1_IO_PHYS         0xFFFB0000
#define OMAP1_IO_SIZE         0x40000
#define OMAP1_IO_VIRT         (OMAP1_IO_PHYS - OMAP1_IO_OFFSET)

/*
 * ----------------------------------------------------------------------------
 * Omap2 specific IO mapping
 * ----------------------------------------------------------------------------
 */

/* We map both L3 and L4 on OMAP2 */
#define L3_24XX_PHYS    L3_24XX_BASE      /* 0x68000000 --> 0xf8000000*/
#define L3_24XX_VIRT    (L3_24XX_PHYS + OMAP2_L3_IO_OFFSET)
#define L3_24XX_SIZE    SZ_1M       /* 44kB of 128MB used, want 1MB sect */
#define L4_24XX_PHYS    L4_24XX_BASE      /* 0x48000000 --> 0xfa000000 */
#define L4_24XX_VIRT    (L4_24XX_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_24XX_SIZE    SZ_1M       /* 1MB of 128MB used, want 1MB sect */

#define L4_WK_243X_PHYS       L4_WK_243X_BASE   /* 0x49000000 --> 0xfb000000 */
#define L4_WK_243X_VIRT       (L4_WK_243X_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_WK_243X_SIZE       SZ_1M
#define OMAP243X_GPMC_PHYS    OMAP243X_GPMC_BASE
#define OMAP243X_GPMC_VIRT    (OMAP243X_GPMC_PHYS + OMAP2_L3_IO_OFFSET)
                                    /* 0x6e000000 --> 0xfe000000 */
#define OMAP243X_GPMC_SIZE    SZ_1M
#define OMAP243X_SDRC_PHYS    OMAP243X_SDRC_BASE
                                    /* 0x6D000000 --> 0xfd000000 */
#define OMAP243X_SDRC_VIRT    (OMAP243X_SDRC_PHYS + OMAP2_L3_IO_OFFSET)
#define OMAP243X_SDRC_SIZE    SZ_1M
#define OMAP243X_SMS_PHYS     OMAP243X_SMS_BASE
                                    /* 0x6c000000 --> 0xfc000000 */
#define OMAP243X_SMS_VIRT     (OMAP243X_SMS_PHYS + OMAP2_L3_IO_OFFSET)
#define OMAP243X_SMS_SIZE     SZ_1M

/* 2420 IVA */
#define DSP_MEM_2420_PHYS     OMAP2420_DSP_MEM_BASE
                                    /* 0x58000000 --> 0xfc100000 */
#define DSP_MEM_2420_VIRT     0xfc100000
#define DSP_MEM_2420_SIZE     0x28000
#define DSP_IPI_2420_PHYS     OMAP2420_DSP_IPI_BASE
                                    /* 0x59000000 --> 0xfc128000 */
#define DSP_IPI_2420_VIRT     0xfc128000
#define DSP_IPI_2420_SIZE     SZ_4K
#define DSP_MMU_2420_PHYS     OMAP2420_DSP_MMU_BASE
                                    /* 0x5a000000 --> 0xfc129000 */
#define DSP_MMU_2420_VIRT     0xfc129000
#define DSP_MMU_2420_SIZE     SZ_4K

/* 2430 IVA2.1 - currently unmapped */

/*
 * ----------------------------------------------------------------------------
 * Omap3 specific IO mapping
 * ----------------------------------------------------------------------------
 */

/* We map both L3 and L4 on OMAP3 */
#define L3_34XX_PHYS          L3_34XX_BASE      /* 0x68000000 --> 0xf8000000 */
#define L3_34XX_VIRT          (L3_34XX_PHYS + OMAP2_L3_IO_OFFSET)
#define L3_34XX_SIZE          SZ_1M   /* 44kB of 128MB used, want 1MB sect */

#define L4_34XX_PHYS          L4_34XX_BASE      /* 0x48000000 --> 0xfa000000 */
#define L4_34XX_VIRT          (L4_34XX_PHYS + OMAP2_L4_IO_OFFSET)
#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_PER_34XX_PHYS      L4_PER_34XX_BASE
                                    /* 0x49000000 --> 0xfb000000 */
#define L4_PER_34XX_VIRT      (L4_PER_34XX_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_PER_34XX_SIZE      SZ_1M

#define L4_EMU_34XX_PHYS      L4_EMU_34XX_BASE
                                    /* 0x54000000 --> 0xfe800000 */
#define L4_EMU_34XX_VIRT      (L4_EMU_34XX_PHYS + OMAP2_EMU_IO_OFFSET)
#define L4_EMU_34XX_SIZE      SZ_8M

#define OMAP34XX_GPMC_PHYS    OMAP34XX_GPMC_BASE
                                    /* 0x6e000000 --> 0xfe000000 */
#define OMAP34XX_GPMC_VIRT    (OMAP34XX_GPMC_PHYS + OMAP2_L3_IO_OFFSET)
#define OMAP34XX_GPMC_SIZE    SZ_1M

#define OMAP343X_SMS_PHYS     OMAP343X_SMS_BASE
                                    /* 0x6c000000 --> 0xfc000000 */
#define OMAP343X_SMS_VIRT     (OMAP343X_SMS_PHYS + OMAP2_L3_IO_OFFSET)
#define OMAP343X_SMS_SIZE     SZ_1M

#define OMAP343X_SDRC_PHYS    OMAP343X_SDRC_BASE
                                    /* 0x6D000000 --> 0xfd000000 */
#define OMAP343X_SDRC_VIRT    (OMAP343X_SDRC_PHYS + OMAP2_L3_IO_OFFSET)
#define OMAP343X_SDRC_SIZE    SZ_1M

/* 3430 IVA - currently unmapped */

/*
 * ----------------------------------------------------------------------------
 * Omap4 specific IO mapping
 * ----------------------------------------------------------------------------
 */

/* We map both L3 and L4 on OMAP4 */
#define L3_44XX_PHYS          L3_44XX_BASE      /* 0x44000000 --> 0xf8000000 */
#define L3_44XX_VIRT          (L3_44XX_PHYS + OMAP4_L3_IO_OFFSET)
#define L3_44XX_SIZE          SZ_1M

#define L4_44XX_PHYS          L4_44XX_BASE      /* 0x4a000000 --> 0xfc000000 */
#define L4_44XX_VIRT          (L4_44XX_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_44XX_SIZE          SZ_4M

#define L4_PER_44XX_PHYS      L4_PER_44XX_BASE
                                    /* 0x48000000 --> 0xfa000000 */
#define L4_PER_44XX_VIRT      (L4_PER_44XX_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_PER_44XX_SIZE      SZ_4M

#define L4_ABE_44XX_PHYS      L4_ABE_44XX_BASE
                                    /* 0x49000000 --> 0xfb000000 */
#define L4_ABE_44XX_VIRT      (L4_ABE_44XX_PHYS + OMAP2_L4_IO_OFFSET)
#define L4_ABE_44XX_SIZE      SZ_1M

#define L4_EMU_44XX_PHYS      L4_EMU_44XX_BASE
                                    /* 0x54000000 --> 0xfe800000 */
#define L4_EMU_44XX_VIRT      (L4_EMU_44XX_PHYS + OMAP2_EMU_IO_OFFSET)
#define L4_EMU_44XX_SIZE      SZ_8M

#define OMAP44XX_GPMC_PHYS    OMAP44XX_GPMC_BASE
                                    /* 0x50000000 --> 0xf9000000 */
#define OMAP44XX_GPMC_VIRT    (OMAP44XX_GPMC_PHYS + OMAP4_GPMC_IO_OFFSET)
#define OMAP44XX_GPMC_SIZE    SZ_1M


#define OMAP44XX_EMIF1_PHYS   OMAP44XX_EMIF1_BASE
                                    /* 0x4c000000 --> 0xfd100000 */
#define OMAP44XX_EMIF1_VIRT   (OMAP44XX_EMIF1_PHYS + OMAP4_L3_PER_IO_OFFSET)
#define OMAP44XX_EMIF1_SIZE   SZ_1M

#define OMAP44XX_EMIF2_PHYS   OMAP44XX_EMIF2_BASE
                                    /* 0x4d000000 --> 0xfd200000 */
#define OMAP44XX_EMIF2_VIRT   (OMAP44XX_EMIF2_PHYS + OMAP4_L3_PER_IO_OFFSET)
#define OMAP44XX_EMIF2_SIZE   SZ_1M

#define OMAP44XX_DMM_PHYS     OMAP44XX_DMM_BASE
                                    /* 0x4e000000 --> 0xfd300000 */
#define OMAP44XX_DMM_VIRT     (OMAP44XX_DMM_PHYS + OMAP4_L3_PER_IO_OFFSET)
#define OMAP44XX_DMM_SIZE     SZ_1M
/*
 * ----------------------------------------------------------------------------
 * Omap specific register access
 * ----------------------------------------------------------------------------
 */

#ifndef __ASSEMBLER__

/*
 * NOTE: Please use ioremap + __raw_read/write where possible instead of these
 */

extern u8 omap_readb(u32 pa);
extern u16 omap_readw(u32 pa);
extern u32 omap_readl(u32 pa);
extern void omap_writeb(u8 v, u32 pa);
extern void omap_writew(u16 v, u32 pa);
extern void omap_writel(u32 v, u32 pa);

struct omap_sdrc_params;

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

#ifdef CONFIG_ARCH_OMAP2420
extern void omap242x_map_common_io(void);
#else
static inline void omap242x_map_common_io(void)
{
}
#endif

#ifdef CONFIG_ARCH_OMAP2430
extern void omap243x_map_common_io(void);
#else
static inline void omap243x_map_common_io(void)
{
}
#endif

#ifdef CONFIG_ARCH_OMAP3
extern void omap34xx_map_common_io(void);
#else
static inline void omap34xx_map_common_io(void)
{
}
#endif

#ifdef CONFIG_ARCH_OMAP4
extern void omap44xx_map_common_io(void);
#else
static inline void omap44xx_map_common_io(void)
{
}
#endif

extern void omap2_init_common_infrastructure(void);
extern void omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0,
                              struct omap_sdrc_params *sdrc_cs1);

#define __arch_ioremap  omap_ioremap
#define __arch_iounmap  omap_iounmap

void __iomem *omap_ioremap(unsigned long phys, size_t size, unsigned int type);
void omap_iounmap(volatile void __iomem *addr);

#endif

#endif

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