ARM i.MX: Move gpio initialization to SoC specific files
[deliverable/linux.git] / arch / arm / mach-imx / mm-imx27.c
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eea643f7 1/*
d109167b 2 * arch/arm/mach-imx/mm-imx27.c
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3 *
4 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
18 * MA 02110-1301, USA.
19 */
20
21#include <linux/mm.h>
22#include <linux/init.h>
a09e64fb 23#include <mach/hardware.h>
058b7a6f 24#include <mach/common.h>
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25#include <asm/pgtable.h>
26#include <asm/mach/map.h>
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27#include <mach/gpio.h>
28#include <mach/irqs.h>
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29
30/* MX27 memory map definition */
4a50d00c 31static struct map_desc imx27_io_desc[] __initdata = {
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32 /*
33 * this fixed mapping covers:
34 * - AIPI1
35 * - AIPI2
36 * - AITC
37 * - ROM Patch
38 * - and some reserved space
39 */
08ff97b5 40 imx_map_entry(MX27, AIPI, MT_DEVICE),
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41 /*
42 * this fixed mapping covers:
43 * - CSI
44 * - ATA
45 */
08ff97b5 46 imx_map_entry(MX27, SAHB1, MT_DEVICE),
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47 /*
48 * this fixed mapping covers:
49 * - EMI
50 */
08ff97b5 51 imx_map_entry(MX27, X_MEMC, MT_DEVICE),
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52};
53
54/*
55 * Initialize the memory map. It is called during the
56 * system startup to create static physical to virtual
57 * memory map for the IO modules.
58 */
cd4a05f9 59void __init mx27_map_io(void)
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60{
61 iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
62}
63
64void __init imx27_init_early(void)
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65{
66 mxc_set_cpu_type(MXC_CPU_MX27);
4a50d00c 67 mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR));
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68}
69
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70static struct mxc_gpio_port imx27_gpio_ports[] = {
71 DEFINE_IMX_GPIO_PORT_IRQ(MX27, 0, 1, MX27_INT_GPIO),
72 DEFINE_IMX_GPIO_PORT(MX27, 1, 2),
73 DEFINE_IMX_GPIO_PORT(MX27, 2, 3),
74 DEFINE_IMX_GPIO_PORT(MX27, 3, 4),
75 DEFINE_IMX_GPIO_PORT(MX27, 4, 5),
76 DEFINE_IMX_GPIO_PORT(MX27, 5, 6),
77};
9a763bfb 78
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79void __init mx27_init_irq(void)
80{
4a50d00c 81 mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR));
5ae30b47 82 mxc_gpio_init(imx27_gpio_ports, ARRAY_SIZE(imx27_gpio_ports));
c5aa0ad0 83}
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