/* * 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 * * 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) __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_SIZE SZ_1M #define OMAP44XX_EMIF2_VIRT (OMAP44XX_EMIF1_VIRT + OMAP44XX_EMIF1_SIZE) #define OMAP44XX_DMM_PHYS OMAP44XX_DMM_BASE /* 0x4e000000 --> 0xfd300000 */ #define OMAP44XX_DMM_SIZE SZ_1M #define OMAP44XX_DMM_VIRT (OMAP44XX_EMIF2_VIRT + OMAP44XX_EMIF2_SIZE) /* * ---------------------------------------------------------------------------- * 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_SOC_OMAP2420 extern void omap242x_map_common_io(void); #else static inline void omap242x_map_common_io(void) { } #endif #ifdef CONFIG_SOC_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_SOC_OMAPTI816X extern void omapti816x_map_common_io(void); #else static inline void omapti816x_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 omap_sdrc_init(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