cregit-Linux how code gets into the kernel

Release 4.11 arch/m68k/coldfire/firebee.c

/***************************************************************************/

/*
 *      firebee.c -- extra startup code support for the FireBee boards
 *
 *      Copyright (C) 2011, Greg Ungerer (gerg@snapgear.com)
 */

/***************************************************************************/

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>

/***************************************************************************/

/*
 *      8MB of NOR flash fitted to the FireBee board.
 */

#define	FLASH_PHYS_ADDR		0xe0000000	
/* Physical address of flash */

#define	FLASH_PHYS_SIZE		0x00800000	
/* Size of flash */


#define	PART_BOOT_START		0x00000000	
/* Start at bottom of flash */

#define	PART_BOOT_SIZE		0x00040000	
/* 256k in size */

#define	PART_IMAGE_START	0x00040000	
/* Start after boot loader */

#define	PART_IMAGE_SIZE		0x006c0000	
/* Most of flash */

#define	PART_FPGA_START		0x00700000	
/* Start at offset 7MB */

#define	PART_FPGA_SIZE		0x00100000	
/* 1MB in size */


static struct mtd_partition firebee_flash_parts[] = {
	{
		.name	= "dBUG",
		.offset	= PART_BOOT_START,
		.size	= PART_BOOT_SIZE,
        },
	{
		.name	= "FPGA",
		.offset	= PART_FPGA_START,
		.size	= PART_FPGA_SIZE,
        },
	{
		.name	= "image",
		.offset	= PART_IMAGE_START,
		.size	= PART_IMAGE_SIZE,
        },
};


static struct physmap_flash_data firebee_flash_data = {
	.width		= 2,
	.nr_parts	= ARRAY_SIZE(firebee_flash_parts),
	.parts		= firebee_flash_parts,
};


static struct resource firebee_flash_resource = {
	.start		= FLASH_PHYS_ADDR,
	.end		= FLASH_PHYS_ADDR + FLASH_PHYS_SIZE,
	.flags		= IORESOURCE_MEM,
};


static struct platform_device firebee_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data = &firebee_flash_data,
        },
	.num_resources	= 1,
	.resource	= &firebee_flash_resource,
};

/***************************************************************************/


static int __init init_firebee(void) { platform_device_register(&firebee_flash); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Ungerer18100.00%1100.00%
Total18100.00%1100.00%

arch_initcall(init_firebee); /***************************************************************************/

Overall Contributors

PersonTokensPropCommitsCommitProp
Greg Ungerer244100.00%1100.00%
Total244100.00%1100.00%
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