arch/sh/boards/board-magicpanelr2.c

Source file repositories/reference/linux-study-clean/arch/sh/boards/board-magicpanelr2.c

File Facts

System: Linux kernel
Corpus path: arch/sh/boards/board-magicpanelr2.c
Extension: .c
Size: 11119 bytes
Lines: 392
Domain: Architecture Layer
Bucket: arch/sh
Inferred role: Architecture Layer: exported/initcall integration point
Status: integration 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.

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

linux/init.h
linux/irq.h
linux/platform_device.h
linux/delay.h
linux/gpio.h
linux/regulator/fixed.h
linux/regulator/machine.h
linux/smsc911x.h
linux/mtd/mtd.h
linux/mtd/partitions.h
linux/mtd/physmap.h
linux/mtd/map.h
linux/sh_intc.h
mach/magicpanelr2.h
asm/heartbeat.h
cpu/gpio.h
cpu/sh7720.h

Detected Declarations

function ethernet_reset_finished
function reset_ethernet
function setup_chip_select
function setup_port_multiplexing
function mpr2_setup
function mpr2_devices_setup
function init_mpr2_IRQ
module init mpr2_devices_setup

Annotated Snippet

device_initcall(mpr2_devices_setup);

/*
 * Initialize IRQ setting
 */
static void __init init_mpr2_IRQ(void)
{
	plat_irq_setup_pins(IRQ_MODE_IRQ); /* install handlers for IRQ0-5 */

	irq_set_irq_type(evt2irq(0x600), IRQ_TYPE_LEVEL_LOW);    /* IRQ0 CAN1 */
	irq_set_irq_type(evt2irq(0x620), IRQ_TYPE_LEVEL_LOW);    /* IRQ1 CAN2 */
	irq_set_irq_type(evt2irq(0x640), IRQ_TYPE_LEVEL_LOW);    /* IRQ2 CAN3 */
	irq_set_irq_type(evt2irq(0x660), IRQ_TYPE_LEVEL_LOW);    /* IRQ3 SMSC9115 */
	irq_set_irq_type(evt2irq(0x680), IRQ_TYPE_EDGE_RISING);  /* IRQ4 touchscreen */
	irq_set_irq_type(evt2irq(0x6a0), IRQ_TYPE_EDGE_FALLING); /* IRQ5 touchscreen */

	intc_set_priority(evt2irq(0x600), 13);		/* IRQ0 CAN1 */
	intc_set_priority(evt2irq(0x620), 13);		/* IRQ0 CAN2 */
	intc_set_priority(evt2irq(0x640), 13);		/* IRQ0 CAN3 */
	intc_set_priority(evt2irq(0x660), 6);		/* IRQ3 SMSC9115 */
}

/*
 * The Machine Vector
 */

static struct sh_machine_vector mv_mpr2 __initmv = {
	.mv_name		= "mpr2",
	.mv_setup		= mpr2_setup,
	.mv_init_irq		= init_mpr2_IRQ,
};

Annotation

Immediate include surface: `linux/init.h`, `linux/irq.h`, `linux/platform_device.h`, `linux/delay.h`, `linux/gpio.h`, `linux/regulator/fixed.h`, `linux/regulator/machine.h`, `linux/smsc911x.h`.
Detected declarations: `function ethernet_reset_finished`, `function reset_ethernet`, `function setup_chip_select`, `function setup_port_multiplexing`, `function mpr2_setup`, `function mpr2_devices_setup`, `function init_mpr2_IRQ`, `module init mpr2_devices_setup`.
Atlas domain: Architecture Layer / arch/sh.
Implementation status: integration implementation candidate.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.