mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 16:54:20 +08:00
168 lines
4.3 KiB
C
168 lines
4.3 KiB
C
/*
|
|
* 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/kernel.h>
|
|
#include <linux/memory.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/smsc911x.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 <mach/irqs.h>
|
|
#include <mach/mxc_nand.h>
|
|
#include "devices.h"
|
|
|
|
/*
|
|
* This file contains the board-specific initialization routines.
|
|
*/
|
|
|
|
static unsigned int mx31lite_pins[] = {
|
|
/* UART1 */
|
|
MX31_PIN_CTS1__CTS1,
|
|
MX31_PIN_RTS1__RTS1,
|
|
MX31_PIN_TXD1__TXD1,
|
|
MX31_PIN_RXD1__RXD1,
|
|
/* LAN9117 IRQ pin */
|
|
IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
|
|
};
|
|
|
|
static struct imxuart_platform_data uart_pdata = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static struct mxc_nand_platform_data mx31lite_nand_board_info = {
|
|
.width = 1,
|
|
.hw_ecc = 1,
|
|
};
|
|
|
|
static struct smsc911x_platform_config smsc911x_config = {
|
|
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
|
|
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
|
|
.flags = SMSC911X_USE_16BIT,
|
|
};
|
|
|
|
static struct resource smsc911x_resources[] = {
|
|
{
|
|
.start = CS4_BASE_ADDR,
|
|
.end = CS4_BASE_ADDR + 0x100,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = IOMUX_TO_IRQ(MX31_PIN_SFS6),
|
|
.end = IOMUX_TO_IRQ(MX31_PIN_SFS6),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device smsc911x_device = {
|
|
.name = "smsc911x",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(smsc911x_resources),
|
|
.resource = smsc911x_resources,
|
|
.dev = {
|
|
.platform_data = &smsc911x_config,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* This structure defines the MX31 memory map.
|
|
*/
|
|
static struct map_desc mx31lite_io_desc[] __initdata = {
|
|
{
|
|
.virtual = SPBA0_BASE_ADDR_VIRT,
|
|
.pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
|
|
.length = SPBA0_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)
|
|
{
|
|
mx31_map_io();
|
|
iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
|
|
}
|
|
|
|
/*
|
|
* Board specific initialization.
|
|
*/
|
|
static void __init mxc_board_init(void)
|
|
{
|
|
int ret;
|
|
|
|
mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins),
|
|
"mx31lite");
|
|
|
|
mxc_register_device(&mxc_uart_device0, &uart_pdata);
|
|
mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info);
|
|
|
|
/* SMSC9117 IRQ pin */
|
|
ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");
|
|
if (ret)
|
|
pr_warning("could not get LAN irq gpio\n");
|
|
else {
|
|
gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));
|
|
platform_device_register(&smsc911x_device);
|
|
}
|
|
}
|
|
|
|
static void __init mx31lite_timer_init(void)
|
|
{
|
|
mx31_clocks_init(26000000);
|
|
}
|
|
|
|
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 = mx31_init_irq,
|
|
.init_machine = mxc_board_init,
|
|
.timer = &mx31lite_timer,
|
|
MACHINE_END
|