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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