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kernel/linux-imx6_3.14.28/arch/arm/mach-ks8695/board-sg.c 2.61 KB
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  /*
   * board-sg.c -- support for the SnapGear KS8695 based boards
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #include <linux/kernel.h>
  #include <linux/types.h>
  #include <linux/init.h>
  #include <linux/platform_device.h>
  #include <linux/mtd/mtd.h>
  #include <linux/mtd/map.h>
  #include <linux/mtd/physmap.h>
  #include <linux/mtd/partitions.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <mach/devices.h>
  #include "generic.h"
  
  /*
   * The SG310 machine type is fitted with a conventional 8MB Strataflash
   * device. Define its partitioning.
   */
  #define	FL_BASE		0x02000000
  #define	FL_SIZE		SZ_8M
  
  static struct mtd_partition sg_mtd_partitions[] = {
  	[0] = {
  		.name	= "SnapGear Boot Loader",
  		.size	= SZ_128K,
  	},
  	[1] = {
  		.name	= "SnapGear non-volatile configuration",
  		.size	= SZ_512K,
  		.offset	= SZ_256K,
  	},
  	[2] = {
  		.name	= "SnapGear image",
  		.offset	= SZ_512K + SZ_256K,
  	},
  	[3] = {
  		.name	= "SnapGear StrataFlash",
  	},
  	[4] = {
  		.name	= "SnapGear Boot Tags",
  		.size	= SZ_128K,
  		.offset	= SZ_128K,
  	},
  };
  
  static struct physmap_flash_data sg_mtd_pdata = {
  	.width		= 1,
  	.nr_parts	= ARRAY_SIZE(sg_mtd_partitions),
  	.parts		= sg_mtd_partitions,
  };
  
  
  static struct resource sg_mtd_resource[] = {
  	[0] = {
  		.start = FL_BASE,
  		.end   = FL_BASE + FL_SIZE - 1,
  		.flags = IORESOURCE_MEM,
  	},
  };
  
  static struct platform_device sg_mtd_device = {
  	.name		= "physmap-flash",
  	.id		= 0,
  	.num_resources	= ARRAY_SIZE(sg_mtd_resource),
  	.resource	= sg_mtd_resource,
  	.dev		= {
  		.platform_data = &sg_mtd_pdata,
  	},
  };
  
  static void __init sg_init(void)
  {
  	ks8695_add_device_lan();
  	ks8695_add_device_wan();
  
  	if (machine_is_sg310())
  		platform_device_register(&sg_mtd_device);
  }
  
  #ifdef CONFIG_MACH_LITE300
  MACHINE_START(LITE300, "SecureComputing/SG300")
  	/* SnapGear */
  	.atag_offset	= 0x100,
  	.map_io		= ks8695_map_io,
  	.init_irq	= ks8695_init_irq,
  	.init_machine	= sg_init,
  	.init_time	= ks8695_timer_init,
  	.restart	= ks8695_restart,
  MACHINE_END
  #endif
  
  #ifdef CONFIG_MACH_SG310
  MACHINE_START(SG310, "McAfee/SG310")
  	/* SnapGear */
  	.atag_offset	= 0x100,
  	.map_io		= ks8695_map_io,
  	.init_irq	= ks8695_init_irq,
  	.init_machine	= sg_init,
  	.init_time	= ks8695_timer_init,
  	.restart	= ks8695_restart,
  MACHINE_END
  #endif
  
  #ifdef CONFIG_MACH_SE4200
  MACHINE_START(SE4200, "SecureComputing/SE4200")
  	/* SnapGear */
  	.atag_offset	= 0x100,
  	.map_io		= ks8695_map_io,
  	.init_irq	= ks8695_init_irq,
  	.init_machine	= sg_init,
  	.init_time	= ks8695_timer_init,
  	.restart	= ks8695_restart,
  MACHINE_END
  #endif