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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-mx5/mm-mx50.c
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/*

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 * Copyright (C) 2010 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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 * 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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 * You should have received a copy of the GNU General Public License along

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 * with this program; if not, write to the Free Software Foundation, Inc.,

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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

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 *

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 * Create static mapping between physical to virtual memory.

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 */

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#include <linux/mm.h>

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#include <linux/init.h>

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#include <asm/mach/map.h>

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#include <mach/hardware.h>

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#include <mach/common.h>

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#include <mach/iomux-v3.h>

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#include <mach/gpio.h>

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#include <mach/irqs.h>

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/*

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 * Define the MX50 memory map.

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 */

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static struct map_desc mx50_io_desc[] __initdata = {

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	imx_map_entry(MX50, TZIC, MT_DEVICE),

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	imx_map_entry(MX50, SPBA0, MT_DEVICE),

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	imx_map_entry(MX50, AIPS1, MT_DEVICE),

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	imx_map_entry(MX50, AIPS2, MT_DEVICE),

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};

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/*

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 * This function initializes the memory map. It is called during the

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 * system startup to create static physical to virtual memory mappings

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 * for the IO modules.

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 */

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void __init mx50_map_io(void)

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{

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	iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc));

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}

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void __init imx50_init_early(void)

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{

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	mxc_set_cpu_type(MXC_CPU_MX50);

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	mxc_iomux_v3_init(MX50_IO_ADDRESS(MX50_IOMUXC_BASE_ADDR));

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	mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR));

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}

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static struct mxc_gpio_port imx50_gpio_ports[] = {

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	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 0, 1, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH),

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	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 1, 2, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH),

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	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 2, 3, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),

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	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 3, 4, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),

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	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 4, 5, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),

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	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 5, 6, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),

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};

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void __init mx50_init_irq(void)

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{

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	tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR));

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	mxc_gpio_init(imx50_gpio_ports,	ARRAY_SIZE(imx50_gpio_ports));

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}

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