205 lines
6.9 KiB
C
205 lines
6.9 KiB
C
/*
|
|
* 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
|
|
*
|
|
* 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) ((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_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 */
|
|
|
|
#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
|
|
|
|
#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_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_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
|
|
|
|
#define IO_ADDRESS(pa) IOMEM(__IO_ADDRESS(pa))
|
|
#define OMAP1_IO_ADDRESS(pa) IOMEM(__OMAP1_IO_ADDRESS(pa))
|
|
#define OMAP2_IO_ADDRESS(pa) IOMEM(__OMAP2_IO_ADDRESS(pa))
|
|
|
|
#ifdef __ASSEMBLER__
|
|
#define IOMEM(x) x
|
|
#else
|
|
#define IOMEM(x) ((void __force __iomem *)(x))
|
|
|
|
/*
|
|
* 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) __raw_readb(IO_ADDRESS(a))
|
|
#define omap_readw(a) __raw_readw(IO_ADDRESS(a))
|
|
#define omap_readl(a) __raw_readl(IO_ADDRESS(a))
|
|
|
|
#define omap_writeb(v,a) __raw_writeb(v, IO_ADDRESS(a))
|
|
#define omap_writew(v,a) __raw_writew(v, IO_ADDRESS(a))
|
|
#define omap_writel(v,a) __raw_writel(v, IO_ADDRESS(a))
|
|
|
|
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);
|
|
|
|
#define __arch_ioremap(p,s,t) omap_ioremap(p,s,t)
|
|
#define __arch_iounmap(v) omap_iounmap(v)
|
|
|
|
void __iomem *omap_ioremap(unsigned long phys, size_t size, unsigned int type);
|
|
void omap_iounmap(volatile void __iomem *addr);
|
|
|
|
#endif
|
|
|
|
#endif
|