projects / deliverable / linux.git / blame
| 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> | |
| 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 | 27 | #include <mach/irqs.h> |
| ff255feb | 28 | #include <mach/iomux-v1.h> |
| eea643f7 | 29 | |
| 4a50d00c UKK |
30 | /* MX21 memory map definition */ |
| 31 | static struct map_desc imx21_io_desc[] __initdata = { | |
| eea643f7 JB |
32 | /* |
| 33 | * this fixed mapping covers: | |
| 34 | * - AIPI1 | |
| 35 | * - AIPI2 | |
| 36 | * - AITC | |
| 37 | * - ROM Patch | |
| 38 | * - and some reserved space | |
| 39 | */ | |
| 08ff97b5 | 40 | imx_map_entry(MX21, AIPI, MT_DEVICE), |
| eea643f7 JB |
41 | /* |
| 42 | * this fixed mapping covers: | |
| 43 | * - CSI | |
| 44 | * - ATA | |
| 45 | */ | |
| 08ff97b5 | 46 | imx_map_entry(MX21, SAHB1, MT_DEVICE), |
| eea643f7 JB |
47 | /* |
| 48 | * this fixed mapping covers: | |
| 49 | * - EMI | |
| 50 | */ | |
| 08ff97b5 | 51 | imx_map_entry(MX21, X_MEMC, MT_DEVICE), |
| eea643f7 JB |
52 | }; |
| 53 | ||
| 54 | /* | |
| 55 | * Initialize the memory map. It is called during the | |
| 56 | * system startup to create static physical to virtual | |
| 57 | * memory map for the IO modules. | |
| 58 | */ | |
| cd4a05f9 | 59 | void __init mx21_map_io(void) |
| 3dac2196 UKK |
60 | { |
| 61 | iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc)); | |
| 62 | } | |
| 63 | ||
| 64 | void __init imx21_init_early(void) | |
| eea643f7 | 65 | { |
| cd4a05f9 | 66 | mxc_set_cpu_type(MXC_CPU_MX21); |
| 4a50d00c | 67 | mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR)); |
| ff255feb SH |
68 | imx_iomuxv1_init(MX21_IO_ADDRESS(MX21_GPIO_BASE_ADDR), |
| 69 | MX21_NUM_GPIO_PORT); | |
| c5aa0ad0 SH |
70 | } |
| 71 | ||
| 72 | void __init mx21_init_irq(void) | |
| 73 | { | |
| 4a50d00c | 74 | mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR)); |
| b78d8e59 SG |
75 | } |
| 76 | ||
| 77 | void __init imx21_soc_init(void) | |
| 78 | { | |
| 79 | mxc_register_gpio(0, MX21_GPIO1_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); | |
| 80 | mxc_register_gpio(1, MX21_GPIO2_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); | |
| 81 | mxc_register_gpio(2, MX21_GPIO3_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); | |
| 82 | mxc_register_gpio(3, MX21_GPIO4_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); | |
| 83 | mxc_register_gpio(4, MX21_GPIO5_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); | |
| 84 | mxc_register_gpio(5, MX21_GPIO6_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); | |
| c5aa0ad0 | 85 | } |