ARM i.MX53 enable SMD board bootup (6f12ea4e) · Commits · 戴 / test

arch/arm/mach-mx5/Kconfig

+7 −0

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		@@ -133,6 +133,13 @@ config MACH_MX53_EVK
		Include support for MX53 EVK platform. This includes specific
		configurations for the board and its peripherals.

		config MACH_MX53_SMD
		bool "Support MX53 SMD platforms"
		select SOC_IMX53
		select IMX_HAVE_PLATFORM_IMX_UART
		help
		Include support for MX53 SMD platform. This includes specific
		configurations for the board and its peripherals.

		config MACH_MX50_RDP
		bool "Support MX50 reference design platform"

arch/arm/mach-mx5/Makefile

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		@@ -10,6 +10,7 @@ obj-$(CONFIG_CPU_FREQ_IMX) += cpu_op-mx51.o
		obj-$(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_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_smd.c

0 → 100644

+111 −0

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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 SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6)

		static iomux_v3_cfg_t mx53_smd_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_smd_uart_data __initconst = {
		.flags = IMXUART_HAVE_RTSCTS,
		};

		static inline void mx53_smd_init_uart(void)
		{
		imx53_add_imx_uart(0, &mx53_smd_uart_data);
		imx53_add_imx_uart(1, &mx53_smd_uart_data);
		imx53_add_imx_uart(2, &mx53_smd_uart_data);
		}

		static inline void mx53_smd_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);
		msleep(1);
		gpio_set_value(SMD_FEC_PHY_RST, 1);
		}

		static struct fec_platform_data mx53_smd_fec_data = {
		.phy = PHY_INTERFACE_MODE_RMII,
		};

		static void __init mx53_smd_board_init(void)
		{
		mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads,
		ARRAY_SIZE(mx53_smd_pads));
		mx53_smd_init_uart();
		mx53_smd_fec_reset();
		imx53_add_fec(&mx53_smd_fec_data);
		}

		static void __init mx53_smd_timer_init(void)
		{
		mx53_clocks_init(32768, 24000000, 22579200, 0);
		}

		static struct sys_timer mx53_smd_timer = {
		.init = mx53_smd_timer_init,
		};

		MACHINE_START(MX53_SMD, "Freescale MX53 SMD Board")
		.map_io = mx53_map_io,
		.init_irq = mx53_init_irq,
		.init_machine = mx53_smd_board_init,
		.timer = &mx53_smd_timer,
		MACHINE_END

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