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. |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 17 | */ |
| 18 | |
| 19 | #include <linux/mm.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/err.h> |
| 22 | |
| 23 | #include <asm/pgtable.h> |
| 24 | #include <asm/mach/map.h> |
| 25 | |
| 26 | #include <mach/common.h> |
| 27 | #include <mach/hardware.h> |
| 28 | #include <mach/mx25.h> |
| 29 | #include <mach/iomux-v3.h> |
Sascha Hauer | 5ae30b4 | 2011-02-17 14:43:48 +0100 | [diff] [blame] | 30 | #include <mach/irqs.h> |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 31 | |
| 32 | /* |
| 33 | * This table defines static virtual address mappings for I/O regions. |
Uwe Kleine-König | 08ff97b | 2010-10-25 15:38:09 +0200 | [diff] [blame] | 34 | * These are the mappings common across all MX25 boards. |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 35 | */ |
Uwe Kleine-König | 08ff97b | 2010-10-25 15:38:09 +0200 | [diff] [blame] | 36 | static struct map_desc mx25_io_desc[] __initdata = { |
| 37 | imx_map_entry(MX25, AVIC, MT_DEVICE_NONSHARED), |
| 38 | imx_map_entry(MX25, AIPS1, MT_DEVICE_NONSHARED), |
| 39 | imx_map_entry(MX25, AIPS2, MT_DEVICE_NONSHARED), |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 40 | }; |
| 41 | |
| 42 | /* |
| 43 | * This function initializes the memory map. It is called during the |
| 44 | * system startup to create static physical to virtual memory mappings |
| 45 | * for the IO modules. |
| 46 | */ |
| 47 | void __init mx25_map_io(void) |
| 48 | { |
Uwe Kleine-König | 3dac219 | 2011-02-07 16:35:19 +0100 | [diff] [blame] | 49 | iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc)); |
| 50 | } |
| 51 | |
| 52 | void __init imx25_init_early(void) |
| 53 | { |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 54 | mxc_set_cpu_type(MXC_CPU_MX25); |
| 55 | mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR)); |
| 56 | mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | void __init mx25_init_irq(void) |
| 60 | { |
Uwe Kleine-König | cf3a6ab | 2010-10-25 15:54:58 +0200 | [diff] [blame] | 61 | mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR)); |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 62 | } |
| 63 | |
Shawn Guo | b78d8e5 | 2011-06-06 00:07:55 +0800 | [diff] [blame^] | 64 | void __init imx25_soc_init(void) |
| 65 | { |
| 66 | mxc_register_gpio(0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0); |
| 67 | mxc_register_gpio(1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0); |
| 68 | mxc_register_gpio(2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0); |
| 69 | mxc_register_gpio(3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0); |
| 70 | } |