diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/io.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/io.h | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h new file mode 100644 index 0000000..7e5319f --- /dev/null +++ b/arch/arm/plat-omap/include/plat/io.h @@ -0,0 +1,287 @@ +/* + * 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 + +/* 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 + +/* + * ---------------------------------------------------------------------------- + * 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_WK_34XX_PHYS L4_WK_34XX_BASE /* 0x48300000 --> 0xfa300000 */ +#define L4_WK_34XX_VIRT (L4_WK_34XX_PHYS + OMAP2_L4_IO_OFFSET) +#define L4_WK_34XX_SIZE SZ_1M + +#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 + +/* 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 + +/* + * ---------------------------------------------------------------------------- + * 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_WK_44XX_PHYS L4_WK_44XX_BASE /* 0x4a300000 --> 0xfc300000 */ +#define L4_WK_44XX_VIRT (L4_WK_44XX_PHYS + OMAP2_L4_IO_OFFSET) +#define L4_WK_44XX_SIZE SZ_1M + +#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); + +extern void omap2_map_common_io(void); +extern void omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0, + struct omap_sdrc_params *sdrc_cs1); + +#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 |