arch/arm/mach-omap1/board-osk.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap1/board-osk.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap1/board-osk.c
Extension
.c
Size
12694 bytes
Lines
455
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

#include <linux/gpio/consumer.h>
#include <linux/gpio/driver.h>
#include <linux/gpio/machine.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/smc91x.h>
#include <linux/omapfb.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mfd/tps65010.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/platform_data/omap1_bl.h>
#include <linux/soc/ti/omap1-io.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include "tc.h"
#include "flash.h"
#include "mux.h"
#include "hardware.h"
#include "usb.h"
#include "common.h"

/* Name of the GPIO chip used by the OMAP for GPIOs 0..15 */
#define OMAP_GPIO_LABEL		"gpio-0-15"

/* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
#define OMAP_OSK_ETHR_START		0x04800300

/* TPS65010 has four GPIOs.  nPG and LED2 can be treated like GPIOs with
 * alternate pin configurations for hardware-controlled blinking.
 */
#define OSK_TPS_GPIO_USB_PWR_EN	0
#define OSK_TPS_GPIO_LED_D3	1
#define OSK_TPS_GPIO_LAN_RESET	2
#define OSK_TPS_GPIO_DSP_PWR_EN	3
#define OSK_TPS_GPIO_LED_D9	4
#define OSK_TPS_GPIO_LED_D2	5

static struct mtd_partition osk_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
	      .name		= "bootloader",
	      .offset		= 0,
	      .size		= SZ_128K,
	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
	},
	/* bootloader params in the next sector */
	{
	      .name		= "params",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_128K,
	      .mask_flags	= 0,
	}, {
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	}, {
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

static struct physmap_flash_data osk_flash_data = {
	.width		= 2,
	.set_vpp	= omap1_set_vpp,
	.parts		= osk_partitions,
	.nr_parts	= ARRAY_SIZE(osk_partitions),
};

static struct resource osk_flash_resource = {
	/* this is on CS3, wherever it's mapped */
	.flags		= IORESOURCE_MEM,
};

static struct platform_device osk5912_flash_device = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {

Annotation

Implementation Notes