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Commit 63904767 authored by Yong Shen's avatar Yong Shen Committed by Sascha Hauer
Browse files

ARM i.MX53: enable fec driver on EVK board 



1. Adjust FEC base address name to fit macro definition
2. Add platform data and reset function for FEC

Signed-off-by: default avatarYong Shen <yong.shen@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 14c6500e

arch/arm/mach-mx5/board-mx53_evk.c

+27 −0
Original line number Diff line number Diff line
@@ -21,6 +21,9 @@ 


#include <linux/init.h>

#include <linux/clk.h>

#include <linux/fec.h>

#include <linux/delay.h>

#include <linux/gpio.h>

#include <mach/common.h>

#include <mach/hardware.h>

#include <asm/mach-types.h>
@@ -29,6 +32,8 @@ 
#include <mach/imx-uart.h>

#include <mach/iomux-mx53.h>



#define SMD_FEC_PHY_RST		IMX_GPIO_NR(7, 6)



#include "crm_regs.h"

#include "devices-imx53.h"
@@ -60,11 +65,33 @@ static inline void mx53_evk_init_uart(void) 
	imx53_add_imx_uart(2, &mx53_evk_uart_pdata);

}



static inline void mx53_evk_fec_reset(void)

{

	int ret;



	/* reset FEC PHY */

	ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset");

	if (ret) {

		printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);

		return;

	}

	gpio_direction_output(SMD_FEC_PHY_RST, 0);

	gpio_set_value(SMD_FEC_PHY_RST, 0);

	msleep(1);

	gpio_set_value(SMD_FEC_PHY_RST, 1);

}



static struct fec_platform_data mx53_evk_fec_pdata = {

	.phy = PHY_INTERFACE_MODE_RMII,

};



static void __init mx53_evk_board_init(void)

{

	mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,

					ARRAY_SIZE(mx53_evk_pads));

	mx53_evk_init_uart();

	mx53_evk_fec_reset();

	imx53_add_fec(&mx53_evk_fec_pdata);

}



static void __init mx53_evk_timer_init(void)

arch/arm/mach-mx5/devices-imx53.h

+4 −0
Original line number Diff line number Diff line
@@ -8,6 +8,10 @@ 
#include <mach/mx53.h>

#include <mach/devices-common.h>



extern const struct imx_fec_data imx53_fec_data __initconst;

#define imx53_add_fec(pdata)   \

	imx_add_fec(&imx53_fec_data, pdata)



extern const struct imx_imx_uart_1irq_data imx53_imx_uart_data[] __initconst;

#define imx53_add_imx_uart(id, pdata)	\

	imx_add_imx_uart_1irq(&imx53_imx_uart_data[id], pdata)

arch/arm/plat-mxc/devices/Kconfig

+1 −1
Original line number Diff line number Diff line 
config IMX_HAVE_PLATFORM_FEC

	bool

	default y if ARCH_MX25 || SOC_IMX27 || SOC_IMX35 || SOC_IMX51

	default y if ARCH_MX25 || SOC_IMX27 || SOC_IMX35 || SOC_IMX51 || SOC_IMX53



config IMX_HAVE_PLATFORM_FLEXCAN

	select HAVE_CAN_FLEXCAN if CAN

arch/arm/plat-mxc/devices/platform-fec.c

+5 −0
Original line number Diff line number Diff line
@@ -36,6 +36,11 @@ const struct imx_fec_data imx51_fec_data __initconst = 
	imx_fec_data_entry_single(MX51);

#endif



#ifdef CONFIG_SOC_IMX53

const struct imx_fec_data imx53_fec_data __initconst =

	imx_fec_data_entry_single(MX53);

#endif



struct platform_device *__init imx_add_fec(

		const struct imx_fec_data *data,

		const struct fec_platform_data *pdata)

arch/arm/plat-mxc/include/mach/mx53.h

+1 −1
Original line number Diff line number Diff line
@@ -136,7 +136,7 @@ 
#define MX53_MIPI_HSC_BASE_ADDR	(MX53_AIPS2_BASE_ADDR + 0x000DC000)

#define MX53_MLB_BASE_ADDR	(MX53_AIPS2_BASE_ADDR + 0x000E4000)

#define MX53_SSI3_BASE_ADDR	(MX53_AIPS2_BASE_ADDR + 0x000E8000)

#define MX53_MXC_FEC_BASE_ADDR	(MX53_AIPS2_BASE_ADDR + 0x000EC000)

#define MX53_FEC_BASE_ADDR	(MX53_AIPS2_BASE_ADDR + 0x000EC000)

#define MX53_TVE_BASE_ADDR	(MX53_AIPS2_BASE_ADDR + 0x000F0000)

#define MX53_VPU_BASE_ADDR	(MX53_AIPS2_BASE_ADDR + 0x000F4000)

#define MX53_SAHARA_BASE_ADDR	(MX53_AIPS2_BASE_ADDR + 0x000F8000)