| Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [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 <linux/err.h> |
| 26 | |
| 27 | #include <asm/pgtable.h> |
| 28 | #include <asm/mach/map.h> |
| 29 | |
| 30 | #include <mach/common.h> |
| 31 | #include <mach/hardware.h> |
| 32 | #include <mach/mx25.h> |
| 33 | #include <mach/iomux-v3.h> |
| 34 | |
| 35 | /* |
| 36 | * This table defines static virtual address mappings for I/O regions. |
| 37 | * These are the mappings common across all MX3 boards. |
| 38 | */ |
| 39 | static struct map_desc mxc_io_desc[] __initdata = { |
| 40 | { |
| 41 | .virtual = MX25_AVIC_BASE_ADDR_VIRT, |
| 42 | .pfn = __phys_to_pfn(MX25_AVIC_BASE_ADDR), |
| 43 | .length = MX25_AVIC_SIZE, |
| 44 | .type = MT_DEVICE_NONSHARED |
| 45 | }, { |
| 46 | .virtual = MX25_AIPS1_BASE_ADDR_VIRT, |
| 47 | .pfn = __phys_to_pfn(MX25_AIPS1_BASE_ADDR), |
| 48 | .length = MX25_AIPS1_SIZE, |
| 49 | .type = MT_DEVICE_NONSHARED |
| 50 | }, { |
| 51 | .virtual = MX25_AIPS2_BASE_ADDR_VIRT, |
| 52 | .pfn = __phys_to_pfn(MX25_AIPS2_BASE_ADDR), |
| 53 | .length = MX25_AIPS2_SIZE, |
| 54 | .type = MT_DEVICE_NONSHARED |
| 55 | }, |
| 56 | }; |
| 57 | |
| 58 | /* |
| 59 | * This function initializes the memory map. It is called during the |
| 60 | * system startup to create static physical to virtual memory mappings |
| 61 | * for the IO modules. |
| 62 | */ |
| 63 | void __init mx25_map_io(void) |
| 64 | { |
| 65 | mxc_set_cpu_type(MXC_CPU_MX25); |
| 66 | mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR)); |
| 67 | mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); |
| 68 | |
| 69 | iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); |
| 70 | } |
| 71 | |
| 72 | void __init mx25_init_irq(void) |
| 73 | { |
| 74 | mxc_init_irq((void __iomem *)MX25_AVIC_BASE_ADDR_VIRT); |
| 75 | } |
| 76 | |