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kernel/linux-imx6_3.14.28/arch/arm/mach-iop33x/uart.c 2.24 KB
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  /*
   * arch/arm/mach-iop33x/uart.c
   *
   * Author: Dave Jiang (dave.jiang@intel.com)
   * Copyright (C) 2004 Intel Corporation.
   *
   * 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/mm.h>
  #include <linux/init.h>
  #include <linux/major.h>
  #include <linux/fs.h>
  #include <linux/platform_device.h>
  #include <linux/serial.h>
  #include <linux/tty.h>
  #include <linux/serial_8250.h>
  #include <linux/io.h>
  #include <asm/pgtable.h>
  #include <asm/page.h>
  #include <asm/mach/map.h>
  #include <asm/setup.h>
  #include <asm/memory.h>
  #include <mach/hardware.h>
  #include <asm/hardware/iop3xx.h>
  #include <asm/mach/arch.h>
  
  #define IOP33X_UART_XTAL 33334000
  
  static struct plat_serial8250_port iop33x_uart0_data[] = {
  	{
  		.membase	= (char *)IOP33X_UART0_VIRT,
  		.mapbase	= IOP33X_UART0_PHYS,
  		.irq		= IRQ_IOP33X_UART0,
  		.uartclk	= IOP33X_UART_XTAL,
  		.regshift	= 2,
  		.iotype		= UPIO_MEM,
  		.flags		= UPF_SKIP_TEST,
  	},
  	{ },
  };
  
  static struct resource iop33x_uart0_resources[] = {
  	[0] = {
  		.start	= IOP33X_UART0_PHYS,
  		.end	= IOP33X_UART0_PHYS + 0x3f,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= IRQ_IOP33X_UART0,
  		.end	= IRQ_IOP33X_UART0,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  struct platform_device iop33x_uart0_device = {
  	.name		= "serial8250",
  	.id		= PLAT8250_DEV_PLATFORM,
  	.dev		= {
  		.platform_data		= iop33x_uart0_data,
  	},
  	.num_resources	= 2,
  	.resource	= iop33x_uart0_resources,
  };
  
  
  static struct resource iop33x_uart1_resources[] = {
  	[0] = {
  		.start	= IOP33X_UART1_PHYS,
  		.end	= IOP33X_UART1_PHYS + 0x3f,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= IRQ_IOP33X_UART1,
  		.end	= IRQ_IOP33X_UART1,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct plat_serial8250_port iop33x_uart1_data[] = {
  	{
  		.membase	= (char *)IOP33X_UART1_VIRT,
  		.mapbase	= IOP33X_UART1_PHYS,
  		.irq		= IRQ_IOP33X_UART1,
  		.uartclk	= IOP33X_UART_XTAL,
  		.regshift	= 2,
  		.iotype		= UPIO_MEM,
  		.flags		= UPF_SKIP_TEST,
  	},
  	{ },
  };
  
  struct platform_device iop33x_uart1_device = {
  	.name		= "serial8250",
  	.id		= PLAT8250_DEV_PLATFORM1,
  	.dev		= {
  		.platform_data		= iop33x_uart1_data,
  	},
  	.num_resources	= 2,
  	.resource	= iop33x_uart1_resources,
  };