projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> |
| eea643f7 JB |
25 | #include <asm/pgtable.h> |
| 26 | #include <asm/mach/map.h> | |
| 5ae30b47 SH |
27 | #include <mach/gpio.h> |
| 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 | ||
| 5ae30b47 SH |
73 | static struct mxc_gpio_port imx27_gpio_ports[] = { |
| 74 | DEFINE_IMX_GPIO_PORT_IRQ(MX27, 0, 1, MX27_INT_GPIO), | |
| 75 | DEFINE_IMX_GPIO_PORT(MX27, 1, 2), | |
| 76 | DEFINE_IMX_GPIO_PORT(MX27, 2, 3), | |
| 77 | DEFINE_IMX_GPIO_PORT(MX27, 3, 4), | |
| 78 | DEFINE_IMX_GPIO_PORT(MX27, 4, 5), | |
| 79 | DEFINE_IMX_GPIO_PORT(MX27, 5, 6), | |
| 80 | }; | |
| 9a763bfb | 81 | |
| c5aa0ad0 SH |
82 | void __init mx27_init_irq(void) |
| 83 | { | |
| 4a50d00c | 84 | mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR)); |
| 5ae30b47 | 85 | mxc_gpio_init(imx27_gpio_ports, ARRAY_SIZE(imx27_gpio_ports)); |
| c5aa0ad0 | 86 | } |