| Quinn Jensen | 52c543f | 2007-07-09 22:06:53 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 1999,2000 Arm Limited |
| 3 | * Copyright (C) 2000 Deep Blue Solutions Ltd |
| 4 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) |
| 5 | * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. |
| 6 | * - add MX31 specific definitions |
| 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 | |
| 23 | #include <linux/mm.h> |
| 24 | #include <linux/init.h> |
| 25 | #include <asm/hardware.h> |
| 26 | #include <asm/pgtable.h> |
| 27 | #include <asm/mach/map.h> |
| 28 | #include <asm/arch/common.h> |
| 29 | |
| 30 | /*! |
| 31 | * @file mm.c |
| 32 | * |
| 33 | * @brief This file creates static virtual to physical mappings, common to all MX3 boards. |
| 34 | * |
| 35 | * @ingroup Memory |
| 36 | */ |
| 37 | |
| 38 | /*! |
| 39 | * This table defines static virtual address mappings for I/O regions. |
| 40 | * These are the mappings common across all MX3 boards. |
| 41 | */ |
| 42 | static struct map_desc mxc_io_desc[] __initdata = { |
| 43 | { |
| 44 | .virtual = X_MEMC_BASE_ADDR_VIRT, |
| 45 | .pfn = __phys_to_pfn(X_MEMC_BASE_ADDR), |
| 46 | .length = X_MEMC_SIZE, |
| 47 | .type = MT_DEVICE |
| 48 | }, { |
| 49 | .virtual = AVIC_BASE_ADDR_VIRT, |
| 50 | .pfn = __phys_to_pfn(AVIC_BASE_ADDR), |
| 51 | .length = AVIC_SIZE, |
| 52 | .type = MT_NONSHARED_DEVICE |
| 53 | }, |
| 54 | }; |
| 55 | |
| 56 | /*! |
| 57 | * This function initializes the memory map. It is called during the |
| 58 | * system startup to create static physical to virtual memory mappings |
| 59 | * for the IO modules. |
| 60 | */ |
| 61 | void __init mxc_map_io(void) |
| 62 | { |
| 63 | iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); |
| 64 | } |