Eric Lee / smarc-fsl-linux-kernel

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arch/arm/mach-sa1100/lart.c 1.65 KB
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1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  /*
   * linux/arch/arm/mach-sa1100/lart.c
   */
  
  #include <linux/init.h>
  #include <linux/kernel.h>
  #include <linux/tty.h>
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  #include <mach/hardware.h>
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  #include <asm/setup.h>
  #include <asm/mach-types.h>
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  #include <asm/page.h>
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  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/serial_sa1100.h>
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  #include <mach/mcp.h>
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  #include "generic.h"
  
  
  #warning "include/asm/arch-sa1100/ide.h needs fixing for lart"
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  static struct mcp_plat_data lart_mcp_data = {
  	.mccr0		= MCCR0_ADM,
  	.sclk_rate	= 11981000,
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  	.codec		= "ucb1x00",
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  };
  
  static void __init lart_init(void)
  {
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  	/*
  	 * Setup the PPC unit correctly.
  	 */
  	PPDR &= ~PPC_RXD4;
  	PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
  	PSDR |= PPC_RXD4;
  	PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
  	PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
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  	sa11x0_register_mcp(&lart_mcp_data);
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  }
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  static struct map_desc lart_io_desc[] __initdata = {
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  	{	/* main flash memory */
  		.virtual	=  0xe8000000,
  		.pfn		= __phys_to_pfn(0x00000000),
  		.length		= 0x00400000,
  		.type		= MT_DEVICE
  	}, {	/* main flash, alternative location */
  		.virtual	=  0xec000000,
  		.pfn		= __phys_to_pfn(0x08000000),
  		.length		= 0x00400000,
  		.type		= MT_DEVICE
  	}
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  };
  
  static void __init lart_map_io(void)
  {
  	sa1100_map_io();
  	iotable_init(lart_io_desc, ARRAY_SIZE(lart_io_desc));
  
  	sa1100_register_uart(0, 3);
  	sa1100_register_uart(1, 1);
  	sa1100_register_uart(2, 2);
  
  	GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
  	GPDR |= GPIO_UART_TXD;
  	GPDR &= ~GPIO_UART_RXD;
  	PPAR |= PPAR_UPR;
  }
  
  MACHINE_START(LART, "LART")
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  	.atag_offset	= 0x100,
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  	.map_io		= lart_map_io,
  	.init_irq	= sa1100_init_irq,
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  	.init_machine	= lart_init,
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  	.timer		= &sa1100_timer,
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  	.restart	= sa11x0_restart,
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  MACHINE_END