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 #include <linux/pinctrl/machine.h>
22
23 #include <asm/mach/map.h>
24
25 #include "common.h"
26 #include "devices/devices-common.h"
27 #include "hardware.h"
28 #include "iomux-v1.h"
29
30 static struct map_desc imx_io_desc[] __initdata = {
31 imx_map_entry(MX1, IO, MT_DEVICE),
32 };
33
mx1_map_io(void)34 void __init mx1_map_io(void)
35 {
36 iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc));
37 }
38
imx1_init_early(void)39 void __init imx1_init_early(void)
40 {
41 mxc_set_cpu_type(MXC_CPU_MX1);
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_arch_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR));
54 mxc_device_init();
55
56 mxc_register_gpio("imx1-gpio", 0, MX1_GPIO1_BASE_ADDR, SZ_256,
57 MX1_GPIO_INT_PORTA, 0);
58 mxc_register_gpio("imx1-gpio", 1, MX1_GPIO2_BASE_ADDR, SZ_256,
59 MX1_GPIO_INT_PORTB, 0);
60 mxc_register_gpio("imx1-gpio", 2, MX1_GPIO3_BASE_ADDR, SZ_256,
61 MX1_GPIO_INT_PORTC, 0);
62 mxc_register_gpio("imx1-gpio", 3, MX1_GPIO4_BASE_ADDR, SZ_256,
63 MX1_GPIO_INT_PORTD, 0);
64 imx_add_imx_dma("imx1-dma", MX1_DMA_BASE_ADDR,
65 MX1_DMA_INT, MX1_DMA_ERR);
66 pinctrl_provide_dummies();
67 }
68