Commit | Line | Data |
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eea643f7 | 1 | /* |
d109167b | 2 | * arch/arm/mach-imx/mm-imx27.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> | |
a09e64fb | 23 | #include <mach/hardware.h> |
058b7a6f | 24 | #include <mach/common.h> |
36223604 | 25 | #include <mach/devices-common.h> |
eea643f7 JB |
26 | #include <asm/pgtable.h> |
27 | #include <asm/mach/map.h> | |
5ae30b47 | 28 | #include <mach/irqs.h> |
ff255feb | 29 | #include <mach/iomux-v1.h> |
eea643f7 JB |
30 | |
31 | /* MX27 memory map definition */ | |
4a50d00c | 32 | static struct map_desc imx27_io_desc[] __initdata = { |
eea643f7 JB |
33 | /* |
34 | * this fixed mapping covers: | |
35 | * - AIPI1 | |
36 | * - AIPI2 | |
37 | * - AITC | |
38 | * - ROM Patch | |
39 | * - and some reserved space | |
40 | */ | |
08ff97b5 | 41 | imx_map_entry(MX27, AIPI, MT_DEVICE), |
eea643f7 JB |
42 | /* |
43 | * this fixed mapping covers: | |
44 | * - CSI | |
45 | * - ATA | |
46 | */ | |
08ff97b5 | 47 | imx_map_entry(MX27, SAHB1, MT_DEVICE), |
eea643f7 JB |
48 | /* |
49 | * this fixed mapping covers: | |
50 | * - EMI | |
51 | */ | |
08ff97b5 | 52 | imx_map_entry(MX27, X_MEMC, MT_DEVICE), |
eea643f7 JB |
53 | }; |
54 | ||
55 | /* | |
56 | * Initialize the memory map. It is called during the | |
57 | * system startup to create static physical to virtual | |
58 | * memory map for the IO modules. | |
59 | */ | |
cd4a05f9 | 60 | void __init mx27_map_io(void) |
3dac2196 UKK |
61 | { |
62 | iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc)); | |
63 | } | |
64 | ||
65 | void __init imx27_init_early(void) | |
cd4a05f9 SH |
66 | { |
67 | mxc_set_cpu_type(MXC_CPU_MX27); | |
4a50d00c | 68 | mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR)); |
ff255feb SH |
69 | imx_iomuxv1_init(MX27_IO_ADDRESS(MX27_GPIO_BASE_ADDR), |
70 | MX27_NUM_GPIO_PORT); | |
cd4a05f9 SH |
71 | } |
72 | ||
c5aa0ad0 SH |
73 | void __init mx27_init_irq(void) |
74 | { | |
4a50d00c | 75 | mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR)); |
b78d8e59 SG |
76 | } |
77 | ||
78 | void __init imx27_soc_init(void) | |
79 | { | |
e7fc6ae7 SG |
80 | /* i.mx27 has the i.mx21 type gpio */ |
81 | mxc_register_gpio("imx21-gpio", 0, MX27_GPIO1_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); | |
82 | mxc_register_gpio("imx21-gpio", 1, MX27_GPIO2_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); | |
83 | mxc_register_gpio("imx21-gpio", 2, MX27_GPIO3_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); | |
84 | mxc_register_gpio("imx21-gpio", 3, MX27_GPIO4_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); | |
85 | mxc_register_gpio("imx21-gpio", 4, MX27_GPIO5_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); | |
86 | mxc_register_gpio("imx21-gpio", 5, MX27_GPIO6_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); | |
36223604 SG |
87 | |
88 | imx_add_imx_dma(); | |
c5aa0ad0 | 89 | } |