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> | |
| 27 | ||
| 4a50d00c UKK |
28 | /* MX21 memory map definition */ |
| 29 | static struct map_desc imx21_io_desc[] __initdata = { | |
| eea643f7 JB |
30 | /* |
| 31 | * this fixed mapping covers: | |
| 32 | * - AIPI1 | |
| 33 | * - AIPI2 | |
| 34 | * - AITC | |
| 35 | * - ROM Patch | |
| 36 | * - and some reserved space | |
| 37 | */ | |
| 38 | { | |
| 4a50d00c UKK |
39 | .virtual = MX21_AIPI_BASE_ADDR_VIRT, |
| 40 | .pfn = __phys_to_pfn(MX21_AIPI_BASE_ADDR), | |
| 41 | .length = MX21_AIPI_SIZE, | |
| eea643f7 JB |
42 | .type = MT_DEVICE |
| 43 | }, | |
| 44 | /* | |
| 45 | * this fixed mapping covers: | |
| 46 | * - CSI | |
| 47 | * - ATA | |
| 48 | */ | |
| 49 | { | |
| 4a50d00c UKK |
50 | .virtual = MX21_SAHB1_BASE_ADDR_VIRT, |
| 51 | .pfn = __phys_to_pfn(MX21_SAHB1_BASE_ADDR), | |
| 52 | .length = MX21_SAHB1_SIZE, | |
| eea643f7 JB |
53 | .type = MT_DEVICE |
| 54 | }, | |
| 55 | /* | |
| 56 | * this fixed mapping covers: | |
| 57 | * - EMI | |
| 58 | */ | |
| 59 | { | |
| 4a50d00c UKK |
60 | .virtual = MX21_X_MEMC_BASE_ADDR_VIRT, |
| 61 | .pfn = __phys_to_pfn(MX21_X_MEMC_BASE_ADDR), | |
| 62 | .length = MX21_X_MEMC_SIZE, | |
| eea643f7 | 63 | .type = MT_DEVICE |
| 4a50d00c | 64 | }, |
| eea643f7 JB |
65 | }; |
| 66 | ||
| 67 | /* | |
| 68 | * Initialize the memory map. It is called during the | |
| 69 | * system startup to create static physical to virtual | |
| 70 | * memory map for the IO modules. | |
| 71 | */ | |
| cd4a05f9 | 72 | void __init mx21_map_io(void) |
| eea643f7 | 73 | { |
| cd4a05f9 | 74 | mxc_set_cpu_type(MXC_CPU_MX21); |
| 4a50d00c | 75 | mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR)); |
| cd4a05f9 | 76 | |
| 4a50d00c | 77 | iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc)); |
| c5aa0ad0 SH |
78 | } |
| 79 | ||
| 9a763bfb UKK |
80 | int imx21_register_gpios(void); |
| 81 | ||
| c5aa0ad0 SH |
82 | void __init mx21_init_irq(void) |
| 83 | { | |
| 9a763bfb | 84 | imx21_register_gpios(); |
| 4a50d00c | 85 | mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR)); |
| c5aa0ad0 | 86 | } |