1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* arch/arm/mach-imx/mm-imx21.c
*
* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/pinctrl/machine.h>
#include <mach/hardware.h>
#include <asm/pgtable.h>
#include <asm/mach/map.h>
#include "common.h"
#include "devices/devices-common.h"
#include "iomux-v1.h"
/* MX21 memory map definition */
static struct map_desc imx21_io_desc[] __initdata = {
/*
* this fixed mapping covers:
* - AIPI1
* - AIPI2
* - AITC
* - ROM Patch
* - and some reserved space
*/
imx_map_entry(MX21, AIPI, MT_DEVICE),
/*
* this fixed mapping covers:
* - CSI
* - ATA
*/
imx_map_entry(MX21, SAHB1, MT_DEVICE),
/*
* this fixed mapping covers:
* - EMI
*/
imx_map_entry(MX21, X_MEMC, MT_DEVICE),
};
/*
* Initialize the memory map. It is called during the
* system startup to create static physical to virtual
* memory map for the IO modules.
*/
void __init mx21_map_io(void)
{
iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc));
}
void __init imx21_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX21);
mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR));
imx_iomuxv1_init(MX21_IO_ADDRESS(MX21_GPIO_BASE_ADDR),
MX21_NUM_GPIO_PORT);
}
void __init mx21_init_irq(void)
{
mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR));
}
static const struct resource imx21_audmux_res[] __initconst = {
DEFINE_RES_MEM(MX21_AUDMUX_BASE_ADDR, SZ_4K),
};
void __init imx21_soc_init(void)
{
mxc_register_gpio("imx21-gpio", 0, MX21_GPIO1_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0);
mxc_register_gpio("imx21-gpio", 1, MX21_GPIO2_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0);
mxc_register_gpio("imx21-gpio", 2, MX21_GPIO3_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0);
mxc_register_gpio("imx21-gpio", 3, MX21_GPIO4_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0);
mxc_register_gpio("imx21-gpio", 4, MX21_GPIO5_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0);
mxc_register_gpio("imx21-gpio", 5, MX21_GPIO6_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0);
pinctrl_provide_dummies();
imx_add_imx_dma(MX21_DMA_BASE_ADDR, MX21_INT_DMACH0, 0); /* No ERR irq */
platform_device_register_simple("imx21-audmux", 0, imx21_audmux_res,
ARRAY_SIZE(imx21_audmux_res));
}
|
