1 /*
2 * author: Sascha Hauer
3 * Created: april 20th, 2004
4 * Copyright: Synertronixx GmbH
5 *
6 * Common code for i.MX1 machines
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 #include <linux/kernel.h>
19 #include <linux/init.h>
20 #include <linux/io.h>
21
22 #include <asm/mach/map.h>
23
24 #include <mach/common.h>
25 #include <mach/hardware.h>
26 #include <mach/irqs.h>
27 #include <mach/iomux-v1.h>
28
29 static struct map_desc imx_io_desc[] __initdata = {
30 imx_map_entry(MX1, IO, MT_DEVICE),
31 };
32
mx1_map_io(void)33 void __init mx1_map_io(void)
34 {
35 iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc));
36 }
37
imx1_init_early(void)38 void __init imx1_init_early(void)
39 {
40 mxc_set_cpu_type(MXC_CPU_MX1);
41 mxc_arch_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR));
42 imx_iomuxv1_init(MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR),
43 MX1_NUM_GPIO_PORT);
44 }
45
mx1_init_irq(void)46 void __init mx1_init_irq(void)
47 {
48 mxc_init_irq(MX1_IO_ADDRESS(MX1_AVIC_BASE_ADDR));
49 }
50
imx1_soc_init(void)51 void __init imx1_soc_init(void)
52 {
53 mxc_register_gpio("imx1-gpio", 0, MX1_GPIO1_BASE_ADDR, SZ_256,
54 MX1_GPIO_INT_PORTA, 0);
55 mxc_register_gpio("imx1-gpio", 1, MX1_GPIO2_BASE_ADDR, SZ_256,
56 MX1_GPIO_INT_PORTB, 0);
57 mxc_register_gpio("imx1-gpio", 2, MX1_GPIO3_BASE_ADDR, SZ_256,
58 MX1_GPIO_INT_PORTC, 0);
59 mxc_register_gpio("imx1-gpio", 3, MX1_GPIO4_BASE_ADDR, SZ_256,
60 MX1_GPIO_INT_PORTD, 0);
61 }
62