arch/arm/mach-imx/mach-imx6ul.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-imx/mach-imx6ul.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-imx/mach-imx6ul.c
Extension
.c
Size
1144 bytes
Lines
52
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2015 Freescale Semiconductor, Inc.
 */
#include <linux/irqchip.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>

#include "common.h"
#include "cpuidle.h"
#include "hardware.h"

static void __init imx6ul_init_machine(void)
{
	imx_print_silicon_rev(cpu_is_imx6ull() ? "i.MX6ULL" : "i.MX6UL",
		imx_get_soc_revision());

	of_platform_default_populate(NULL, NULL, NULL);
	imx_anatop_init();
	imx6ul_pm_init();
}

static void __init imx6ul_init_irq(void)
{
	imx_init_revision_from_anatop();
	imx_src_init();
	irqchip_init();
	imx6_pm_ccm_init("fsl,imx6ul-ccm");
}

static void __init imx6ul_init_late(void)
{
	imx6sx_cpuidle_init();

	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
}

static const char * const imx6ul_dt_compat[] __initconst = {
	"fsl,imx6ul",
	"fsl,imx6ull",
	"fsl,imx6ulz",
	NULL,
};

DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
	.init_irq	= imx6ul_init_irq,
	.init_machine	= imx6ul_init_machine,
	.init_late	= imx6ul_init_late,
	.dt_compat	= imx6ul_dt_compat,
MACHINE_END

Annotation

Implementation Notes