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kernel/linux-imx6_3.14.28/arch/arm/mach-s3c24xx/mach-vstms.c 3.55 KB
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  /* linux/arch/arm/mach-s3c2412/mach-vstms.c
   *
   * (C) 2006 Thomas Gleixner <tglx@linutronix.de>
   *
   * Derived from mach-smdk2413.c - (C) 2006 Simtec Electronics
   *
   * 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/interrupt.h>
  #include <linux/list.h>
  #include <linux/timer.h>
  #include <linux/init.h>
  #include <linux/serial_core.h>
  #include <linux/platform_device.h>
  #include <linux/io.h>
  #include <linux/mtd/mtd.h>
  #include <linux/mtd/nand.h>
  #include <linux/mtd/nand_ecc.h>
  #include <linux/mtd/partitions.h>
  
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/irq.h>
  
  #include <mach/hardware.h>
  #include <asm/setup.h>
  #include <asm/irq.h>
  #include <asm/mach-types.h>
  
  #include <plat/regs-serial.h>
  #include <mach/regs-gpio.h>
  #include <mach/regs-lcd.h>
  
  #include <mach/fb.h>
  
  #include <linux/platform_data/i2c-s3c2410.h>
  #include <linux/platform_data/mtd-nand-s3c2410.h>
  
  #include <plat/clock.h>
  #include <plat/devs.h>
  #include <plat/cpu.h>
  #include <plat/samsung-time.h>
  
  #include "common.h"
  
  static struct map_desc vstms_iodesc[] __initdata = {
  };
  
  static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = {
  	[0] = {
  		.hwport	     = 0,
  		.flags	     = 0,
  		.ucon	     = 0x3c5,
  		.ulcon	     = 0x03,
  		.ufcon	     = 0x51,
  	},
  	[1] = {
  		.hwport	     = 1,
  		.flags	     = 0,
  		.ucon	     = 0x3c5,
  		.ulcon	     = 0x03,
  		.ufcon	     = 0x51,
  	},
  	[2] = {
  		.hwport	     = 2,
  		.flags	     = 0,
  		.ucon	     = 0x3c5,
  		.ulcon	     = 0x03,
  		.ufcon	     = 0x51,
  	}
  };
  
  static struct mtd_partition __initdata vstms_nand_part[] = {
  	[0] = {
  		.name	= "Boot Agent",
  		.size	= 0x7C000,
  		.offset	= 0,
  	},
  	[1] = {
  		.name	= "UBoot Config",
  		.offset = 0x7C000,
  		.size	= 0x4000,
  	},
  	[2] = {
  		.name	= "Kernel",
  		.offset = 0x80000,
  		.size	= 0x200000,
  	},
  	[3] = {
  		.name	= "RFS",
  		.offset	= 0x280000,
  		.size	= 0x3d80000,
  	},
  };
  
  static struct s3c2410_nand_set __initdata vstms_nand_sets[] = {
  	[0] = {
  		.name		= "NAND",
  		.nr_chips	= 1,
  		.nr_partitions	= ARRAY_SIZE(vstms_nand_part),
  		.partitions	= vstms_nand_part,
  	},
  };
  
  /* choose a set of timings which should suit most 512Mbit
   * chips and beyond.
  */
  
  static struct s3c2410_platform_nand __initdata vstms_nand_info = {
  	.tacls		= 20,
  	.twrph0		= 60,
  	.twrph1		= 20,
  	.nr_sets	= ARRAY_SIZE(vstms_nand_sets),
  	.sets		= vstms_nand_sets,
  };
  
  static struct platform_device *vstms_devices[] __initdata = {
  	&s3c_device_ohci,
  	&s3c_device_wdt,
  	&s3c_device_i2c0,
  	&s3c_device_iis,
  	&s3c_device_rtc,
  	&s3c_device_nand,
  	&s3c2412_device_dma,
  };
  
  static void __init vstms_fixup(struct tag *tags, char **cmdline,
  			       struct meminfo *mi)
  {
  	if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  		mi->nr_banks=1;
  		mi->bank[0].start = 0x30000000;
  		mi->bank[0].size = SZ_64M;
  	}
  }
  
  static void __init vstms_map_io(void)
  {
  	s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
  	s3c24xx_init_clocks(12000000);
  	s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
  	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
  }
  
  static void __init vstms_init(void)
  {
  	s3c_i2c0_set_platdata(NULL);
  	s3c_nand_set_platdata(&vstms_nand_info);
  
  	platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
  }
  
  MACHINE_START(VSTMS, "VSTMS")
  	.atag_offset	= 0x100,
  
  	.fixup		= vstms_fixup,
  	.init_irq	= s3c2412_init_irq,
  	.init_machine	= vstms_init,
  	.map_io		= vstms_map_io,
  	.init_time	= samsung_timer_init,
  	.restart	= s3c2412_restart,
  MACHINE_END