| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-epxa10db/mm.c |
| 3 | * |
| 4 | * MM routines for Altera'a Epxa10db board |
| 5 | * |
| 6 | * Copyright (C) 2001 Altera Corporation |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | */ |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/init.h> |
| 24 | |
| 25 | #include <asm/hardware.h> |
| 26 | #include <asm/io.h> |
| 27 | #include <asm/sizes.h> |
| Tim Schmielau | 8c65b4a | 2005-11-07 00:59:43 -0800 | [diff] [blame] | 28 | #include <asm/page.h> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | |
| 30 | #include <asm/mach/map.h> |
| 31 | |
| 32 | /* Page table mapping for I/O region */ |
| 33 | |
| 34 | static struct map_desc epxa10db_io_desc[] __initdata = { |
| Deepak Saxena | 7a557e2 | 2005-10-28 15:19:07 +0100 | [diff] [blame] | 35 | { |
| 36 | .virtual = IO_ADDRESS(EXC_REGISTERS_BASE), |
| 37 | .pfn = __phys_to_pfn(EXC_REGISTERS_BASE), |
| 38 | .length = SZ_16K, |
| 39 | .type = MT_DEVICE |
| 40 | }, { |
| 41 | .virtual = IO_ADDRESS(EXC_PLD_BLOCK0_BASE), |
| 42 | .pfn = __phys_to_pfn(EXC_PLD_BLOCK0_BASE), |
| 43 | .length = SZ_16K, |
| 44 | .type = MT_DEVICE |
| 45 | }, { |
| 46 | .virtual = IO_ADDRESS(EXC_PLD_BLOCK1_BASE), |
| 47 | .pfn =__phys_to_pfn(EXC_PLD_BLOCK1_BASE), |
| 48 | .length = SZ_16K, |
| 49 | .type = MT_DEVICE |
| 50 | }, { |
| 51 | .virtual = IO_ADDRESS(EXC_PLD_BLOCK2_BASE), |
| 52 | .physical = __phys_to_pfn(EXC_PLD_BLOCK2_BASE), |
| 53 | .length = SZ_16K, |
| 54 | .type = MT_DEVICE |
| 55 | }, { |
| 56 | .virtual = IO_ADDRESS(EXC_PLD_BLOCK3_BASE), |
| 57 | .pfn = __phys_to_pfn(EXC_PLD_BLOCK3_BASE), |
| 58 | .length = SZ_16K, |
| 59 | .type = MT_DEVICE |
| 60 | }, { |
| 61 | .virtual = FLASH_VADDR(EXC_EBI_BLOCK0_BASE), |
| 62 | .pfn = __phys_to_pfn(EXC_EBI_BLOCK0_BASE), |
| 63 | .length = SZ_16M, |
| 64 | .type = MT_DEVICE |
| 65 | } |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | }; |
| 67 | |
| 68 | void __init epxa10db_map_io(void) |
| 69 | { |
| 70 | iotable_init(epxa10db_io_desc, ARRAY_SIZE(epxa10db_io_desc)); |
| 71 | } |