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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/arm/mach-imx/mach-imx27.c
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// SPDX-License-Identifier: GPL-2.0-or-later

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/*

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 * Copyright 2012 Sascha Hauer, Pengutronix

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 */

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#include <linux/init.h>

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#include <asm/mach/arch.h>

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#include <asm/mach/map.h>

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#include "common.h"

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#include "hardware.h"

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#include "mx27.h"

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/* MX27 memory map definition */

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static struct map_desc imx27_io_desc[] __initdata = {

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	/*

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	 * this fixed mapping covers:

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	 * - AIPI1

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	 * - AIPI2

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	 * - AITC

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	 * - ROM Patch

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	 * - and some reserved space

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	 */

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	imx_map_entry(MX27, AIPI, MT_DEVICE),

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	/*

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	 * this fixed mapping covers:

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	 * - CSI

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	 * - ATA

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	 */

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	imx_map_entry(MX27, SAHB1, MT_DEVICE),

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	/*

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	 * this fixed mapping covers:

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	 * - EMI

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	 */

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	imx_map_entry(MX27, X_MEMC, MT_DEVICE),

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};

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/*

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 * Initialize the memory map. It is called during the

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 * system startup to create static physical to virtual

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 * memory map for the IO modules.

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 */

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static void __init mx27_map_io(void)

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{

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	iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));

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}

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static void __init imx27_init_early(void)

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{

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	mxc_set_cpu_type(MXC_CPU_MX27);

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}

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static const char * const imx27_dt_board_compat[] __initconst = {

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	"fsl,imx27",

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	NULL

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};

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DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")

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	.map_io		= mx27_map_io,

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	.init_early	= imx27_init_early,

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	.init_late	= imx27_pm_init,

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	.dt_compat	= imx27_dt_board_compat,

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MACHINE_END

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