forked from Minki/linux
116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
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/*
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* Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/irq.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/memory.h>
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#include <asm/mach/map.h>
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#include <mach/common.h>
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#include <mach/board-mx31pdk.h>
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#include <mach/imx-uart.h>
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#include <mach/iomux-mx3.h>
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#include "devices.h"
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/*!
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* @file mx31pdk.c
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*
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* @brief This file contains the board-specific initialization routines.
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*
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* @ingroup System
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*/
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static struct imxuart_platform_data uart_pdata = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static inline void mxc_init_imx_uart(void)
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{
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mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
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mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
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mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
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mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
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mxc_register_device(&mxc_uart_device0, &uart_pdata);
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}
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/*!
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* This structure defines static mappings for the i.MX31PDK board.
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*/
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static struct map_desc mx31pdk_io_desc[] __initdata = {
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{
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.virtual = AIPS1_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
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.length = AIPS1_SIZE,
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.type = MT_DEVICE_NONSHARED
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}, {
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.virtual = AIPS2_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
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.length = AIPS2_SIZE,
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.type = MT_DEVICE_NONSHARED
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},
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};
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/*!
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* Set up static virtual mappings.
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*/
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static void __init mx31pdk_map_io(void)
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{
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mxc_map_io();
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iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc));
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}
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/*!
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* Board specific initialization.
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*/
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static void __init mxc_board_init(void)
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{
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mxc_init_imx_uart();
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}
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static void __init mx31pdk_timer_init(void)
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{
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mxc_clocks_init(26000000);
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mxc_timer_init("ipg_clk.0");
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}
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static struct sys_timer mx31pdk_timer = {
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.init = mx31pdk_timer_init,
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};
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/*
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* The following uses standard kernel macros defined in arch.h in order to
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* initialize __mach_desc_MX31PDK data structure.
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*/
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MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
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/* Maintainer: Freescale Semiconductor, Inc. */
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.phys_io = AIPS1_BASE_ADDR,
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.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
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.boot_params = PHYS_OFFSET + 0x100,
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.map_io = mx31pdk_map_io,
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.init_irq = mxc_init_irq,
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.init_machine = mxc_board_init,
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.timer = &mx31pdk_timer,
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MACHINE_END
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