Commit | Line | Data |
---|---|---|
eea643f7 | 1 | /* |
d109167b | 2 | * arch/arm/mach-imx/mm-imx21.c |
eea643f7 JB |
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> | |
a2aa65a3 | 23 | #include <linux/pinctrl/machine.h> |
eea643f7 JB |
24 | #include <asm/pgtable.h> |
25 | #include <asm/mach/map.h> | |
267dd34c | 26 | |
e3372474 | 27 | #include "common.h" |
e0557c0d | 28 | #include "devices/devices-common.h" |
50f2de61 | 29 | #include "hardware.h" |
267dd34c | 30 | #include "iomux-v1.h" |
eea643f7 | 31 | |
4a50d00c UKK |
32 | /* MX21 memory map definition */ |
33 | static struct map_desc imx21_io_desc[] __initdata = { | |
eea643f7 JB |
34 | /* |
35 | * this fixed mapping covers: | |
36 | * - AIPI1 | |
37 | * - AIPI2 | |
38 | * - AITC | |
39 | * - ROM Patch | |
40 | * - and some reserved space | |
41 | */ | |
08ff97b5 | 42 | imx_map_entry(MX21, AIPI, MT_DEVICE), |
eea643f7 JB |
43 | /* |
44 | * this fixed mapping covers: | |
45 | * - CSI | |
46 | * - ATA | |
47 | */ | |
08ff97b5 | 48 | imx_map_entry(MX21, SAHB1, MT_DEVICE), |
eea643f7 JB |
49 | /* |
50 | * this fixed mapping covers: | |
51 | * - EMI | |
52 | */ | |
08ff97b5 | 53 | imx_map_entry(MX21, X_MEMC, MT_DEVICE), |
eea643f7 JB |
54 | }; |
55 | ||
56 | /* | |
57 | * Initialize the memory map. It is called during the | |
58 | * system startup to create static physical to virtual | |
59 | * memory map for the IO modules. | |
60 | */ | |
cd4a05f9 | 61 | void __init mx21_map_io(void) |
3dac2196 UKK |
62 | { |
63 | iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc)); | |
64 | } | |
65 | ||
66 | void __init imx21_init_early(void) | |
eea643f7 | 67 | { |
cd4a05f9 | 68 | mxc_set_cpu_type(MXC_CPU_MX21); |
ff255feb SH |
69 | imx_iomuxv1_init(MX21_IO_ADDRESS(MX21_GPIO_BASE_ADDR), |
70 | MX21_NUM_GPIO_PORT); | |
c5aa0ad0 SH |
71 | } |
72 | ||
73 | void __init mx21_init_irq(void) | |
74 | { | |
4a50d00c | 75 | mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR)); |
b78d8e59 SG |
76 | } |
77 | ||
3bc34a61 RZ |
78 | static const struct resource imx21_audmux_res[] __initconst = { |
79 | DEFINE_RES_MEM(MX21_AUDMUX_BASE_ADDR, SZ_4K), | |
80 | }; | |
81 | ||
b78d8e59 SG |
82 | void __init imx21_soc_init(void) |
83 | { | |
18cb680f | 84 | mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR)); |
69ac71d3 SG |
85 | mxc_device_init(); |
86 | ||
e7fc6ae7 SG |
87 | mxc_register_gpio("imx21-gpio", 0, MX21_GPIO1_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); |
88 | mxc_register_gpio("imx21-gpio", 1, MX21_GPIO2_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); | |
89 | mxc_register_gpio("imx21-gpio", 2, MX21_GPIO3_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); | |
90 | mxc_register_gpio("imx21-gpio", 3, MX21_GPIO4_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); | |
91 | mxc_register_gpio("imx21-gpio", 4, MX21_GPIO5_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); | |
92 | mxc_register_gpio("imx21-gpio", 5, MX21_GPIO6_BASE_ADDR, SZ_256, MX21_INT_GPIO, 0); | |
36223604 | 93 | |
a2aa65a3 | 94 | pinctrl_provide_dummies(); |
e51d0f0a SG |
95 | imx_add_imx_dma("imx21-dma", MX21_DMA_BASE_ADDR, |
96 | MX21_INT_DMACH0, 0); /* No ERR irq */ | |
3bc34a61 RZ |
97 | platform_device_register_simple("imx21-audmux", 0, imx21_audmux_res, |
98 | ARRAY_SIZE(imx21_audmux_res)); | |
c5aa0ad0 | 99 | } |