Commit 3b18c349 authored by Yong Shen's avatar Yong Shen Committed by Sascha Hauer
Browse files

ARM i.MX53 enable LOCO board bootup 



1. Add Kconfig and Makefile entries
2. Add board definition
3. enable uart and fec for LOCO board

Signed-off-by: default avatarYong Shen <yong.shen@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 6f12ea4e

arch/arm/mach-mx5/Kconfig

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Original line number Diff line number Diff line
@@ -141,6 +141,14 @@ config MACH_MX53_SMD 
	  Include support for MX53 SMD platform. This includes specific

	  configurations for the board and its peripherals.



config MACH_MX53_LOCO

	bool "Support MX53 LOCO platforms"

	select SOC_IMX53

	select IMX_HAVE_PLATFORM_IMX_UART

	help

	  Include support for MX53 LOCO platform. This includes specific

	  configurations for the board and its peripherals.



config MACH_MX50_RDP

	bool "Support MX50 reference design platform"

	depends on BROKEN

arch/arm/mach-mx5/Makefile

+1 −0
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@@ -11,6 +11,7 @@ obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o 
obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o

obj-$(CONFIG_MACH_MX53_EVK) += board-mx53_evk.o

obj-$(CONFIG_MACH_MX53_SMD) += board-mx53_smd.o

obj-$(CONFIG_MACH_MX53_LOCO) += board-mx53_loco.o

obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o

obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o

obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o

arch/arm/mach-mx5/board-mx53_loco.c

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/*

 * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.

 */



/*

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

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.



 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.



 * You should have received a copy of the GNU General Public License along

 * with this program; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */



#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 <mach/imx-uart.h>

#include <mach/iomux-mx53.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/time.h>



#include "crm_regs.h"

#include "devices-imx53.h"



#define LOCO_FEC_PHY_RST		IMX_GPIO_NR(7, 6)



static iomux_v3_cfg_t mx53_loco_pads[] = {

	MX53_PAD_CSI0_D10__UART1_TXD,

	MX53_PAD_CSI0_D11__UART1_RXD,

	MX53_PAD_ATA_DIOW__UART1_TXD,

	MX53_PAD_ATA_DMACK__UART1_RXD,



	MX53_PAD_ATA_BUFFER_EN__UART2_RXD,

	MX53_PAD_ATA_DMARQ__UART2_TXD,

	MX53_PAD_ATA_DIOR__UART2_RTS,

	MX53_PAD_ATA_INTRQ__UART2_CTS,



	MX53_PAD_ATA_CS_0__UART3_TXD,

	MX53_PAD_ATA_CS_1__UART3_RXD,

	MX53_PAD_ATA_DA_1__UART3_CTS,

	MX53_PAD_ATA_DA_2__UART3_RTS,

};



static const struct imxuart_platform_data mx53_loco_uart_data __initconst = {

	.flags = IMXUART_HAVE_RTSCTS,

};



static inline void mx53_loco_init_uart(void)

{

	imx53_add_imx_uart(0, &mx53_loco_uart_data);

	imx53_add_imx_uart(1, &mx53_loco_uart_data);

	imx53_add_imx_uart(2, &mx53_loco_uart_data);

}



static inline void mx53_loco_fec_reset(void)

{

	int ret;



	/* reset FEC PHY */

	ret = gpio_request(LOCO_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(LOCO_FEC_PHY_RST, 0);

	msleep(1);

	gpio_set_value(LOCO_FEC_PHY_RST, 1);

}



static struct fec_platform_data mx53_loco_fec_data = {

	.phy = PHY_INTERFACE_MODE_RMII,

};



static void __init mx53_loco_board_init(void)

{

	mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,

					ARRAY_SIZE(mx53_loco_pads));

	mx53_loco_init_uart();

	mx53_loco_fec_reset();

	imx53_add_fec(&mx53_loco_fec_data);

}



static void __init mx53_loco_timer_init(void)

{

	mx53_clocks_init(32768, 24000000, 0, 0);

}



static struct sys_timer mx53_loco_timer = {

	.init	= mx53_loco_timer_init,

};



MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")

	.map_io = mx53_map_io,

	.init_irq = mx53_init_irq,

	.init_machine = mx53_loco_board_init,

	.timer = &mx53_loco_timer,

MACHINE_END