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/*
* Copyright (C) 2000 Deep Blue Solutions Ltd
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
* Copyright 2005-2007 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/memory.h>
#include <linux/gpio.h>
#include <linux/smc911x.h>
#include <linux/interrupt.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <asm/page.h>
#include <asm/setup.h>
#include <mach/board-mx31lite.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include "devices.h"
/*
* This file contains the board-specific initialization routines.
*/
#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
static inline void mxc_init_imx_uart(void)
{
mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
mxc_register_device(&mxc_uart_device0, &uart_pdata);
}
#else /* !SERIAL_IMX */
static inline void mxc_init_imx_uart(void)
{
}
#endif /* !SERIAL_IMX */
#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
static inline void mxc_init_imx_spi(void)
{
/* CSPI1 - AT93C66A EEPROM attached to CS2 */
mxc_iomux_mode(MX31_PIN_CSPI1_MOSI__MOSI);
mxc_iomux_mode(MX31_PIN_CSPI1_MISO__MISO);
mxc_iomux_mode(MX31_PIN_CSPI1_SCLK__SCLK);
mxc_iomux_mode(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY);
mxc_iomux_mode(MX31_PIN_CSPI1_SS0__SS0);
mxc_iomux_mode(MX31_PIN_CSPI1_SS1__SS1);
mxc_iomux_mode(MX31_PIN_CSPI1_SS2__SS2);
/* CSPI2 - PMIC attached to CS0 */
mxc_iomux_mode(MX31_PIN_CSPI2_MOSI__MOSI);
mxc_iomux_mode(MX31_PIN_CSPI2_MISO__MISO);
mxc_iomux_mode(MX31_PIN_CSPI2_SCLK__SCLK);
mxc_iomux_mode(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY);
mxc_iomux_mode(MX31_PIN_CSPI2_SS0__SS0);
mxc_iomux_mode(MX31_PIN_CSPI2_SS1__SS1);
mxc_iomux_mode(MX31_PIN_CSPI2_SS2__SS2);
/* register the spi masters */
platform_device_register(&mxc_spi_device0);
platform_device_register(&mxc_spi_device1);
}
#else /* !SPI_IMX */
static inline void mxc_init_imx_spi(void)
{
}
#endif /* !SPI_IMX */
static struct resource smc911x_resources[] = {
[0] = {
.start = CS4_BASE_ADDR,
.end = (CS4_BASE_ADDR + 0xfffff),
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IOMUX_TO_IRQ(MX31_PIN_SFS6),
.end = IOMUX_TO_IRQ(MX31_PIN_SFS6),
.flags = IORESOURCE_IRQ,
},
};
static struct smc911x_platdata smc911x_info = {
.flags = SMC911X_USE_32BIT,
.irq_flags = IRQF_SHARED | IRQF_TRIGGER_LOW,
};
static struct platform_device mx31lite_eth = {
.name = "smc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smc911x_resources),
.resource = smc911x_resources,
.dev = {
.platform_data = &smc911x_info,
},
};
/*
* This structure defines the MX31 memory map.
*/
static struct map_desc mx31lite_io_desc[] __initdata = {
{
.virtual = AIPS1_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
.length = AIPS1_SIZE,
.type = MT_DEVICE_NONSHARED
}, {
.virtual = SPBA0_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
.length = SPBA0_SIZE,
.type = MT_DEVICE_NONSHARED
}, {
.virtual = AIPS2_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
.length = AIPS2_SIZE,
.type = MT_DEVICE_NONSHARED
}, {
.virtual = CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(CS4_BASE_ADDR),
.length = CS4_SIZE,
.type = MT_DEVICE
}
};
/*
* Set up static virtual mappings.
*/
void __init mx31lite_map_io(void)
{
mxc_map_io();
iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
}
static struct platform_device *devices[] __initdata = {
&mx31lite_eth,
};
/*
* Board specific initialization.
*/
static void __init mxc_board_init(void)
{
/* init eth */
mxc_iomux_mode(IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO));
if (!gpio_request(MX31_PIN_GPIO3_1, "mx31lite-eth"))
gpio_direction_input(MX31_PIN_SFS6);
platform_add_devices(devices, ARRAY_SIZE(devices));
mxc_init_imx_uart();
mxc_init_imx_spi();
}
static void __init mx31lite_timer_init(void)
{
mxc_clocks_init(26000000);
mxc_timer_init("ipg_clk.0");
}
struct sys_timer mx31lite_timer = {
.init = mx31lite_timer_init,
};
/*
* The following uses standard kernel macros defined in arch.h in order to
* initialize __mach_desc_MX31LITE data structure.
*/
MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")
/* Maintainer: Freescale Semiconductor, Inc. */
.phys_io = AIPS1_BASE_ADDR,
.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = mx31lite_map_io,
.init_irq = mxc_init_irq,
.init_machine = mxc_board_init,
.timer = &mx31lite_timer,
MACHINE_END
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