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/arch/arm/mach-iop33x/uart.c

https://github.com/AICP/kernel_google_msm
C | 103 lines | 84 code | 9 blank | 10 comment | 0 complexity | 98d98874a32dd5100d9e400695ac72be MD5 | raw file
  1/*
  2 * arch/arm/mach-iop33x/uart.c
  3 *
  4 * Author: Dave Jiang (dave.jiang@intel.com)
  5 * Copyright (C) 2004 Intel Corporation.
  6 *
  7 * This program is free software; you can redistribute it and/or modify
  8 * it under the terms of the GNU General Public License version 2 as
  9 * published by the Free Software Foundation.
 10 */
 11
 12#include <linux/mm.h>
 13#include <linux/init.h>
 14#include <linux/major.h>
 15#include <linux/fs.h>
 16#include <linux/platform_device.h>
 17#include <linux/serial.h>
 18#include <linux/tty.h>
 19#include <linux/serial_8250.h>
 20#include <linux/io.h>
 21#include <asm/pgtable.h>
 22#include <asm/page.h>
 23#include <asm/mach/map.h>
 24#include <asm/setup.h>
 25#include <asm/memory.h>
 26#include <mach/hardware.h>
 27#include <asm/hardware/iop3xx.h>
 28#include <asm/mach/arch.h>
 29
 30#define IOP33X_UART_XTAL 33334000
 31
 32static struct plat_serial8250_port iop33x_uart0_data[] = {
 33	{
 34		.membase	= (char *)IOP33X_UART0_VIRT,
 35		.mapbase	= IOP33X_UART0_PHYS,
 36		.irq		= IRQ_IOP33X_UART0,
 37		.uartclk	= IOP33X_UART_XTAL,
 38		.regshift	= 2,
 39		.iotype		= UPIO_MEM,
 40		.flags		= UPF_SKIP_TEST,
 41	},
 42	{ },
 43};
 44
 45static struct resource iop33x_uart0_resources[] = {
 46	[0] = {
 47		.start	= IOP33X_UART0_PHYS,
 48		.end	= IOP33X_UART0_PHYS + 0x3f,
 49		.flags	= IORESOURCE_MEM,
 50	},
 51	[1] = {
 52		.start	= IRQ_IOP33X_UART0,
 53		.end	= IRQ_IOP33X_UART0,
 54		.flags	= IORESOURCE_IRQ,
 55	},
 56};
 57
 58struct platform_device iop33x_uart0_device = {
 59	.name		= "serial8250",
 60	.id		= PLAT8250_DEV_PLATFORM,
 61	.dev		= {
 62		.platform_data		= iop33x_uart0_data,
 63	},
 64	.num_resources	= 2,
 65	.resource	= iop33x_uart0_resources,
 66};
 67
 68
 69static struct resource iop33x_uart1_resources[] = {
 70	[0] = {
 71		.start	= IOP33X_UART1_PHYS,
 72		.end	= IOP33X_UART1_PHYS + 0x3f,
 73		.flags	= IORESOURCE_MEM,
 74	},
 75	[1] = {
 76		.start	= IRQ_IOP33X_UART1,
 77		.end	= IRQ_IOP33X_UART1,
 78		.flags	= IORESOURCE_IRQ,
 79	},
 80};
 81
 82static struct plat_serial8250_port iop33x_uart1_data[] = {
 83	{
 84		.membase	= (char *)IOP33X_UART1_VIRT,
 85		.mapbase	= IOP33X_UART1_PHYS,
 86		.irq		= IRQ_IOP33X_UART1,
 87		.uartclk	= IOP33X_UART_XTAL,
 88		.regshift	= 2,
 89		.iotype		= UPIO_MEM,
 90		.flags		= UPF_SKIP_TEST,
 91	},
 92	{ },
 93};
 94
 95struct platform_device iop33x_uart1_device = {
 96	.name		= "serial8250",
 97	.id		= PLAT8250_DEV_PLATFORM1,
 98	.dev		= {
 99		.platform_data		= iop33x_uart1_data,
100	},
101	.num_resources	= 2,
102	.resource	= iop33x_uart1_resources,
103};