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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/mips/ath79/dev-common.c
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/*

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 *  Atheros AR71XX/AR724X/AR913X common devices

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 *

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 *  Copyright (C) 2008-2011 Gabor Juhos <[email protected]>

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 *  Copyright (C) 2008 Imre Kaloz <[email protected]>

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 *

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 *  Parts of this file are based on Atheros' 2.6.15 BSP

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 *

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 *  This program is free software; you can redistribute it and/or modify it

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 *  under the terms of the GNU General Public License version 2 as published

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 *  by the Free Software Foundation.

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 */

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#include <linux/kernel.h>

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#include <linux/init.h>

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#include <linux/platform_device.h>

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#include <linux/serial_8250.h>

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#include <linux/clk.h>

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#include <linux/err.h>

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#include <asm/mach-ath79/ath79.h>

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#include <asm/mach-ath79/ar71xx_regs.h>

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#include "common.h"

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#include "dev-common.h"

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static struct resource ath79_uart_resources[] = {

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	{

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		.start	= AR71XX_UART_BASE,

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		.end	= AR71XX_UART_BASE + AR71XX_UART_SIZE - 1,

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		.flags	= IORESOURCE_MEM,

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	},

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};

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#define AR71XX_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)

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static struct plat_serial8250_port ath79_uart_data[] = {

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	{

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		.mapbase	= AR71XX_UART_BASE,

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		.irq		= ATH79_MISC_IRQ_UART,

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		.flags		= AR71XX_UART_FLAGS,

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		.iotype		= UPIO_MEM32,

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		.regshift	= 2,

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	}, {

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		/* terminating entry */

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	}

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};

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static struct platform_device ath79_uart_device = {

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	.name		= "serial8250",

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	.id		= PLAT8250_DEV_PLATFORM,

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	.resource	= ath79_uart_resources,

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	.num_resources	= ARRAY_SIZE(ath79_uart_resources),

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	.dev = {

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		.platform_data	= ath79_uart_data

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	},

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};

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void __init ath79_register_uart(void)

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{

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	struct clk *clk;

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	clk = clk_get(NULL, "uart");

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	if (IS_ERR(clk))

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		panic("unable to get UART clock, err=%ld", PTR_ERR(clk));

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	ath79_uart_data[0].uartclk = clk_get_rate(clk);

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	platform_device_register(&ath79_uart_device);

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}

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static struct platform_device ath79_wdt_device = {

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	.name		= "ath79-wdt",

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	.id		= -1,

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};

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void __init ath79_register_wdt(void)

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{

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	platform_device_register(&ath79_wdt_device);

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}

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