| /* |
| * arch/arm/mach-imx/mm-imx21.c |
| * |
| * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| * MA 02110-1301, USA. |
| */ |
| |
| #include <linux/mm.h> |
| #include <linux/init.h> |
| #include <mach/hardware.h> |
| #include <mach/common.h> |
| #include <asm/pgtable.h> |
| #include <asm/mach/map.h> |
| |
| /* MX21 memory map definition */ |
| static struct map_desc imx21_io_desc[] __initdata = { |
| /* |
| * this fixed mapping covers: |
| * - AIPI1 |
| * - AIPI2 |
| * - AITC |
| * - ROM Patch |
| * - and some reserved space |
| */ |
| imx_map_entry(MX21, AIPI, MT_DEVICE), |
| /* |
| * this fixed mapping covers: |
| * - CSI |
| * - ATA |
| */ |
| imx_map_entry(MX21, SAHB1, MT_DEVICE), |
| /* |
| * this fixed mapping covers: |
| * - EMI |
| */ |
| imx_map_entry(MX21, X_MEMC, MT_DEVICE), |
| }; |
| |
| /* |
| * Initialize the memory map. It is called during the |
| * system startup to create static physical to virtual |
| * memory map for the IO modules. |
| */ |
| void __init mx21_map_io(void) |
| { |
| iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc)); |
| } |
| |
| void __init imx21_init_early(void) |
| { |
| mxc_set_cpu_type(MXC_CPU_MX21); |
| mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR)); |
| } |
| |
| int imx21_register_gpios(void); |
| |
| void __init mx21_init_irq(void) |
| { |
| mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR)); |
| imx21_register_gpios(); |
| } |