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ARM i.MX53 enable LOCO board bootup
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1. Add Kconfig and Makefile entries
2. Add board definition
3. enable uart and fec for LOCO board

Signed-off-by: Yong Shen <yong.shen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Yong Shen authored and Sascha Hauer committed Jan 13, 2011
1 parent 6f12ea4 commit 3b18c34
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8 changes: 8 additions & 0 deletions arch/arm/mach-mx5/Kconfig
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Expand Up @@ -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
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1 change: 1 addition & 0 deletions arch/arm/mach-mx5/Makefile
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Expand Up @@ -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
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111 changes: 111 additions & 0 deletions arch/arm/mach-mx5/board-mx53_loco.c
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@@ -0,0 +1,111 @@
/*
* 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

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