/* * 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 #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