Logo Search packages:      
Sourcecode: linux version File versions  Download package

uart.c

/*
 * 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/system.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,
};

Generated by  Doxygen 1.6.0   Back to index