Commit 3211705f authored by Magnus Lilja's avatar Magnus Lilja Committed by Sascha Hauer
Browse files

i.MX31: Add ethernet support to i.MX31 Litekit board. 



This patch adds the SMSC platform device to the Litekit board.

Signed-off-by: default avatarMagnus Lilja <lilja.magnus@gmail.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent c1332616

arch/arm/mach-mx3/mx31lite.c

+39 −0
Original line number Diff line number Diff line
@@ -22,6 +22,9 @@ 
#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/memory.h>

#include <linux/platform_device.h>

#include <linux/gpio.h>

#include <linux/smsc911x.h>



#include <mach/hardware.h>

#include <asm/mach-types.h>
@@ -34,6 +37,7 @@ 
#include <mach/board-mx31lite.h>

#include <mach/imx-uart.h>

#include <mach/iomux-mx3.h>

#include <mach/irqs.h>

#include "devices.h"



/*
@@ -46,12 +50,43 @@ static unsigned int mx31lite_pins[] = { 
	MX31_PIN_RTS1__RTS1,

	MX31_PIN_TXD1__TXD1,

	MX31_PIN_RXD1__RXD1,

	/* LAN9117 IRQ pin */

	IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),

};



static struct imxuart_platform_data uart_pdata = {

	.flags = IMXUART_HAVE_RTSCTS,

};



static struct smsc911x_platform_config smsc911x_config = {

	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,

	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,

	.flags		= SMSC911X_USE_16BIT,

};



static struct resource smsc911x_resources[] = {

	[0] = {

		.start		= CS4_BASE_ADDR,

		.end		= CS4_BASE_ADDR + 0x100,

		.flags		= IORESOURCE_MEM,

	},

	[1] = {

		.start		= IOMUX_TO_IRQ(MX31_PIN_SFS6),

		.end		= IOMUX_TO_IRQ(MX31_PIN_SFS6),

		.flags		= IORESOURCE_IRQ,

	},

};



static struct platform_device smsc911x_device = {

	.name		= "smsc911x",

	.id		= -1,

	.num_resources	= ARRAY_SIZE(smsc911x_resources),

	.resource	= smsc911x_resources,

	.dev		= {

		.platform_data = &smsc911x_config,

	},

};



/*

 * This structure defines the MX31 memory map.

 */
@@ -87,6 +122,10 @@ static void __init mxc_board_init(void) 
				      "mx31lite");



	mxc_register_device(&mxc_uart_device0, &uart_pdata);



	/* SMSC9117 IRQ pin */

	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));

	platform_device_register(&smsc911x_device);

}



static void __init mx31lite_timer_init(void)