Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-omap/io.h |
| 3 | * |
| 4 | * IO definitions for TI OMAP processors and boards |
| 5 | * |
| 6 | * Copied from linux/include/asm-arm/arch-sa1100/io.h |
| 7 | * Copyright (C) 1997-1999 Russell King |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License as published by the |
| 11 | * Free Software Foundation; either version 2 of the License, or (at your |
| 12 | * option) any later version. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 15 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 16 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 17 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 20 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 21 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | * |
| 25 | * You should have received a copy of the GNU General Public License along |
| 26 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 27 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 28 | * |
| 29 | * Modifications: |
| 30 | * 06-12-1997 RMK Created. |
| 31 | * 07-04-1999 RMK Major cleanup |
| 32 | */ |
| 33 | |
| 34 | #ifndef __ASM_ARM_ARCH_IO_H |
| 35 | #define __ASM_ARM_ARCH_IO_H |
| 36 | |
Russell King | be50972 | 2008-08-04 10:41:28 +0100 | [diff] [blame] | 37 | #include <asm/arch/hardware.h> |
Russell King | 7fca0aa | 2005-10-28 10:20:25 +0100 | [diff] [blame] | 38 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #define IO_SPACE_LIMIT 0xffffffff |
| 40 | |
| 41 | /* |
| 42 | * We don't actually have real ISA nor PCI buses, but there is so many |
| 43 | * drivers out there that might just work if we fake them... |
| 44 | */ |
| 45 | #define __io(a) ((void __iomem *)(PCIO_BASE + (a))) |
| 46 | #define __mem_pci(a) (a) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
| 48 | /* |
| 49 | * ---------------------------------------------------------------------------- |
| 50 | * I/O mapping |
| 51 | * ---------------------------------------------------------------------------- |
| 52 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 54 | #define PCIO_BASE 0 |
| 55 | |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 56 | #if defined(CONFIG_ARCH_OMAP1) |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 57 | |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 58 | #define IO_PHYS 0xFFFB0000 |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 59 | #define IO_OFFSET 0x01000000 /* Virtual IO = 0xfefb0000 */ |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 60 | #define IO_SIZE 0x40000 |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 61 | #define IO_VIRT (IO_PHYS - IO_OFFSET) |
| 62 | #define IO_ADDRESS(pa) ((pa) - IO_OFFSET) |
Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 63 | #define OMAP1_IO_ADDRESS(pa) ((pa) - IO_OFFSET) |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 64 | #define io_p2v(pa) ((pa) - IO_OFFSET) |
| 65 | #define io_v2p(va) ((va) + IO_OFFSET) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 67 | #elif defined(CONFIG_ARCH_OMAP2) |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 68 | |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 69 | /* We map both L3 and L4 on OMAP2 */ |
| 70 | #define L3_24XX_PHYS L3_24XX_BASE /* 0x68000000 */ |
| 71 | #define L3_24XX_VIRT 0xf8000000 |
| 72 | #define L3_24XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */ |
| 73 | #define L4_24XX_PHYS L4_24XX_BASE /* 0x48000000 */ |
| 74 | #define L4_24XX_VIRT 0xd8000000 |
| 75 | #define L4_24XX_SIZE SZ_1M /* 1MB of 128MB used, want 1MB sect */ |
Syed Mohammed Khasim | 72d0f1c | 2006-12-06 17:14:05 -0800 | [diff] [blame] | 76 | |
| 77 | #ifdef CONFIG_ARCH_OMAP2430 |
| 78 | #define L4_WK_243X_PHYS L4_WK_243X_BASE /* 0x49000000 */ |
| 79 | #define L4_WK_243X_VIRT 0xd9000000 |
| 80 | #define L4_WK_243X_SIZE SZ_1M |
| 81 | #define OMAP243X_GPMC_PHYS OMAP243X_GPMC_BASE /* 0x49000000 */ |
| 82 | #define OMAP243X_GPMC_VIRT 0xFE000000 |
| 83 | #define OMAP243X_GPMC_SIZE SZ_1M |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 84 | #define OMAP243X_SDRC_PHYS OMAP243X_SDRC_BASE |
| 85 | #define OMAP243X_SDRC_VIRT 0xFD000000 |
| 86 | #define OMAP243X_SDRC_SIZE SZ_1M |
| 87 | #define OMAP243X_SMS_PHYS OMAP243X_SMS_BASE |
| 88 | #define OMAP243X_SMS_VIRT 0xFC000000 |
| 89 | #define OMAP243X_SMS_SIZE SZ_1M |
| 90 | |
Syed Mohammed Khasim | 72d0f1c | 2006-12-06 17:14:05 -0800 | [diff] [blame] | 91 | #endif |
| 92 | |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 93 | #define IO_OFFSET 0x90000000 |
| 94 | #define IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ |
Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 95 | #define OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 96 | #define io_p2v(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ |
| 97 | #define io_v2p(va) ((va) - IO_OFFSET) /* Works for L3 and L4 */ |
| 98 | |
Tony Lindgren | f4e4c32 | 2006-12-07 13:57:38 -0800 | [diff] [blame] | 99 | /* DSP */ |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 100 | #define DSP_MEM_24XX_PHYS OMAP2420_DSP_MEM_BASE /* 0x58000000 */ |
Tony Lindgren | f4e4c32 | 2006-12-07 13:57:38 -0800 | [diff] [blame] | 101 | #define DSP_MEM_24XX_VIRT 0xe0000000 |
| 102 | #define DSP_MEM_24XX_SIZE 0x28000 |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 103 | #define DSP_IPI_24XX_PHYS OMAP2420_DSP_IPI_BASE /* 0x59000000 */ |
Tony Lindgren | f4e4c32 | 2006-12-07 13:57:38 -0800 | [diff] [blame] | 104 | #define DSP_IPI_24XX_VIRT 0xe1000000 |
| 105 | #define DSP_IPI_24XX_SIZE SZ_4K |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 106 | #define DSP_MMU_24XX_PHYS OMAP2420_DSP_MMU_BASE /* 0x5a000000 */ |
Tony Lindgren | f4e4c32 | 2006-12-07 13:57:38 -0800 | [diff] [blame] | 107 | #define DSP_MMU_24XX_VIRT 0xe2000000 |
| 108 | #define DSP_MMU_24XX_SIZE SZ_4K |
| 109 | |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 110 | #elif defined(CONFIG_ARCH_OMAP3) |
| 111 | |
| 112 | /* We map both L3 and L4 on OMAP3 */ |
| 113 | #define L3_34XX_PHYS L3_34XX_BASE /* 0x68000000 */ |
| 114 | #define L3_34XX_VIRT 0xf8000000 |
| 115 | #define L3_34XX_SIZE SZ_1M /* 44kB of 128MB used, want 1MB sect */ |
| 116 | |
| 117 | #define L4_34XX_PHYS L4_34XX_BASE /* 0x48000000 */ |
| 118 | #define L4_34XX_VIRT 0xd8000000 |
| 119 | #define L4_34XX_SIZE SZ_4M /* 1MB of 128MB used, want 1MB sect */ |
| 120 | |
| 121 | /* |
| 122 | * Need to look at the Size 4M for L4. |
| 123 | * VPOM3430 was not working for Int controller |
| 124 | */ |
| 125 | |
| 126 | #define L4_WK_34XX_PHYS L4_WK_34XX_BASE /* 0x48300000 */ |
| 127 | #define L4_WK_34XX_VIRT 0xd8300000 |
| 128 | #define L4_WK_34XX_SIZE SZ_1M |
| 129 | |
| 130 | #define L4_PER_34XX_PHYS L4_PER_34XX_BASE /* 0x49000000 */ |
| 131 | #define L4_PER_34XX_VIRT 0xd9000000 |
| 132 | #define L4_PER_34XX_SIZE SZ_1M |
| 133 | |
| 134 | #define L4_EMU_34XX_PHYS L4_EMU_34XX_BASE /* 0x54000000 */ |
| 135 | #define L4_EMU_34XX_VIRT 0xe4000000 |
| 136 | #define L4_EMU_34XX_SIZE SZ_64M |
| 137 | |
| 138 | #define OMAP34XX_GPMC_PHYS OMAP34XX_GPMC_BASE /* 0x6E000000 */ |
| 139 | #define OMAP34XX_GPMC_VIRT 0xFE000000 |
| 140 | #define OMAP34XX_GPMC_SIZE SZ_1M |
| 141 | |
| 142 | #define OMAP343X_SMS_PHYS OMAP343X_SMS_BASE /* 0x6C000000 */ |
| 143 | #define OMAP343X_SMS_VIRT 0xFC000000 |
| 144 | #define OMAP343X_SMS_SIZE SZ_1M |
| 145 | |
| 146 | #define OMAP343X_SDRC_PHYS OMAP343X_SDRC_BASE /* 0x6D000000 */ |
| 147 | #define OMAP343X_SDRC_VIRT 0xFD000000 |
| 148 | #define OMAP343X_SDRC_SIZE SZ_1M |
| 149 | |
| 150 | |
| 151 | #define IO_OFFSET 0x90000000 |
| 152 | #define IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */ |
Tony Lindgren | a58caad | 2008-07-03 12:24:44 +0300 | [diff] [blame] | 153 | #define OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */ |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 154 | #define io_p2v(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */ |
| 155 | #define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */ |
| 156 | |
| 157 | /* DSP */ |
| 158 | #define DSP_MEM_34XX_PHYS OMAP34XX_DSP_MEM_BASE /* 0x58000000 */ |
| 159 | #define DSP_MEM_34XX_VIRT 0xe0000000 |
| 160 | #define DSP_MEM_34XX_SIZE 0x28000 |
| 161 | #define DSP_IPI_34XX_PHYS OMAP34XX_DSP_IPI_BASE /* 0x59000000 */ |
| 162 | #define DSP_IPI_34XX_VIRT 0xe1000000 |
| 163 | #define DSP_IPI_34XX_SIZE SZ_4K |
| 164 | #define DSP_MMU_34XX_PHYS OMAP34XX_DSP_MMU_BASE /* 0x5a000000 */ |
| 165 | #define DSP_MMU_34XX_VIRT 0xe2000000 |
| 166 | #define DSP_MMU_34XX_SIZE SZ_4K |
| 167 | |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 168 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | |
| 170 | #ifndef __ASSEMBLER__ |
| 171 | |
| 172 | /* |
| 173 | * Functions to access the OMAP IO region |
| 174 | * |
| 175 | * NOTE: - Use omap_read/write[bwl] for physical register addresses |
| 176 | * - Use __raw_read/write[bwl]() for virtual register addresses |
| 177 | * - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses |
| 178 | * - DO NOT use hardcoded virtual addresses to allow changing the |
| 179 | * IO address space again if needed |
| 180 | */ |
| 181 | #define omap_readb(a) (*(volatile unsigned char *)IO_ADDRESS(a)) |
| 182 | #define omap_readw(a) (*(volatile unsigned short *)IO_ADDRESS(a)) |
| 183 | #define omap_readl(a) (*(volatile unsigned int *)IO_ADDRESS(a)) |
| 184 | |
| 185 | #define omap_writeb(v,a) (*(volatile unsigned char *)IO_ADDRESS(a) = (v)) |
| 186 | #define omap_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v)) |
| 187 | #define omap_writel(v,a) (*(volatile unsigned int *)IO_ADDRESS(a) = (v)) |
| 188 | |
Tony Lindgren | 53d9cc7 | 2006-02-08 22:06:45 +0000 | [diff] [blame] | 189 | extern void omap1_map_common_io(void); |
| 190 | extern void omap1_init_common_hw(void); |
| 191 | |
| 192 | extern void omap2_map_common_io(void); |
| 193 | extern void omap2_init_common_hw(void); |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 194 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | #endif |
| 196 | |
| 197 | #endif |