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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2012 Sascha Hauer, Pengutronix
*/
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/mm.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include "common.h"
#include "hardware.h"
#include "mx27.h"
/* MX27 memory map definition */
static struct map_desc imx27_io_desc[] __initdata = {
/*
* this fixed mapping covers:
* - AIPI1
* - AIPI2
* - AITC
* - ROM Patch
* - and some reserved space
*/
imx_map_entry(MX27, AIPI, MT_DEVICE),
/*
* this fixed mapping covers:
* - CSI
* - ATA
*/
imx_map_entry(MX27, SAHB1, MT_DEVICE),
/*
* this fixed mapping covers:
* - EMI
*/
imx_map_entry(MX27, 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.
*/
static void __init mx27_map_io(void)
{
iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
}
static void __init imx27_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX27);
}
static void __init mx27_init_irq(void)
{
void __iomem *avic_base;
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "fsl,avic");
avic_base = of_iomap(np, 0);
BUG_ON(!avic_base);
mxc_init_irq(avic_base);
}
static const char * const imx27_dt_board_compat[] __initconst = {
"fsl,imx27",
NULL
};
DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
.map_io = mx27_map_io,
.init_early = imx27_init_early,
.init_irq = mx27_init_irq,
.init_late = imx27_pm_init,
.dt_compat = imx27_dt_board_compat,
MACHINE_END
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