arch/arm/mach-s3c/devs.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-s3c/devs.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-s3c/devs.c
Extension
.c
Size
9679 bytes
Lines
400
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
//
// Copyright (c) 2011 Samsung Electronics Co., Ltd.
//		http://www.samsung.com
//
// Base Samsung platform device definitions

#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/dma-mapping.h>
#include <linux/gfp.h>
#include <linux/mmc/host.h>
#include <linux/ioport.h>
#include <linux/sizes.h>
#include <linux/platform_data/s3c-hsotg.h>

#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include "irqs.h"
#include "map.h"
#include "gpio-samsung.h"
#include "gpio-cfg.h"

#include "cpu.h"
#include "devs.h"
#include "fb.h"
#include <linux/platform_data/i2c-s3c2410.h>
#include "keypad.h"
#include "pwm-core.h"
#include "sdhci.h"
#include "usb-phy.h"
#include <linux/platform_data/asoc-s3c.h>
#include <linux/platform_data/spi-s3c64xx.h>

#define samsung_device_dma_mask (*((u64[]) { DMA_BIT_MASK(32) }))

/* FB */

#ifdef CONFIG_S3C_DEV_FB
static struct resource s3c_fb_resource[] = {
	[0] = DEFINE_RES_MEM(S3C_PA_FB, SZ_16K),
	[1] = DEFINE_RES_IRQ(IRQ_LCD_VSYNC),
	[2] = DEFINE_RES_IRQ(IRQ_LCD_FIFO),
	[3] = DEFINE_RES_IRQ(IRQ_LCD_SYSTEM),
};

struct platform_device s3c_device_fb = {
	.name		= "s3c-fb",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(s3c_fb_resource),
	.resource	= s3c_fb_resource,
	.dev		= {
		.dma_mask		= &samsung_device_dma_mask,
		.coherent_dma_mask	= DMA_BIT_MASK(32),
	},
};

void __init s3c_fb_set_platdata(struct s3c_fb_platdata *pd)
{
	s3c_set_platdata(pd, sizeof(struct s3c_fb_platdata),
			 &s3c_device_fb);
}
#endif /* CONFIG_S3C_DEV_FB */

/* HSMMC */

#ifdef CONFIG_S3C_DEV_HSMMC
static struct resource s3c_hsmmc_resource[] = {
	[0] = DEFINE_RES_MEM(S3C_PA_HSMMC0, SZ_4K),
	[1] = DEFINE_RES_IRQ(IRQ_HSMMC0),
};

struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = {
	.max_width	= 4,
	.host_caps	= (MMC_CAP_4_BIT_DATA |
			   MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),

Annotation

Implementation Notes