104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
|
/*
|
||
|
|
* Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
|
||
|
|
* Copyright (C) 2010 Jason Wang <jason77.wang@gmail.com>
|
||
|
|
*
|
||
|
|
* The code contained herein is licensed under the GNU General Public
|
||
|
|
* License. You may obtain a copy of the GNU General Public License
|
||
|
|
* Version 2 or later at the following locations:
|
||
|
|
*
|
||
|
|
* http://www.opensource.org/licenses/gpl-license.html
|
||
|
|
* http://www.gnu.org/copyleft/gpl.html
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/irq.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
|
||
|
|
#include <asm/mach-types.h>
|
||
|
|
#include <asm/mach/arch.h>
|
||
|
|
#include <asm/mach/time.h>
|
||
|
|
|
||
|
|
#include <mach/hardware.h>
|
||
|
|
#include <mach/common.h>
|
||
|
|
#include <mach/iomux-mx51.h>
|
||
|
|
#include <mach/imx-uart.h>
|
||
|
|
#include <mach/3ds_debugboard.h>
|
||
|
|
|
||
|
|
#include "devices.h"
|
||
|
|
|
||
|
|
#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 6)
|
||
|
|
|
||
|
|
static struct pad_desc mx51_3ds_pads[] = {
|
||
|
|
/* UART1 */
|
||
|
|
MX51_PAD_UART1_RXD__UART1_RXD,
|
||
|
|
MX51_PAD_UART1_TXD__UART1_TXD,
|
||
|
|
MX51_PAD_UART1_RTS__UART1_RTS,
|
||
|
|
MX51_PAD_UART1_CTS__UART1_CTS,
|
||
|
|
|
||
|
|
/* UART2 */
|
||
|
|
MX51_PAD_UART2_RXD__UART2_RXD,
|
||
|
|
MX51_PAD_UART2_TXD__UART2_TXD,
|
||
|
|
MX51_PAD_EIM_D25__UART2_CTS,
|
||
|
|
MX51_PAD_EIM_D26__UART2_RTS,
|
||
|
|
|
||
|
|
/* UART3 */
|
||
|
|
MX51_PAD_UART3_RXD__UART3_RXD,
|
||
|
|
MX51_PAD_UART3_TXD__UART3_TXD,
|
||
|
|
MX51_PAD_EIM_D24__UART3_CTS,
|
||
|
|
MX51_PAD_EIM_D27__UART3_RTS,
|
||
|
|
|
||
|
|
/* CPLD PARENT IRQ PIN */
|
||
|
|
MX51_PAD_GPIO_1_6__GPIO_1_6,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Serial ports */
|
||
|
|
#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_register_device(&mxc_uart_device0, &uart_pdata);
|
||
|
|
mxc_register_device(&mxc_uart_device1, &uart_pdata);
|
||
|
|
mxc_register_device(&mxc_uart_device2, &uart_pdata);
|
||
|
|
}
|
||
|
|
#else /* !SERIAL_IMX */
|
||
|
|
static inline void mxc_init_imx_uart(void)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
#endif /* SERIAL_IMX */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Board specific initialization.
|
||
|
|
*/
|
||
|
|
static void __init mxc_board_init(void)
|
||
|
|
{
|
||
|
|
mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads,
|
||
|
|
ARRAY_SIZE(mx51_3ds_pads));
|
||
|
|
mxc_init_imx_uart();
|
||
|
|
|
||
|
|
if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT))
|
||
|
|
printk(KERN_WARNING "Init of the debugboard failed, all "
|
||
|
|
"devices on the board are unusable.\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __init mx51_3ds_timer_init(void)
|
||
|
|
{
|
||
|
|
mx51_clocks_init(32768, 24000000, 22579200, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct sys_timer mxc_timer = {
|
||
|
|
.init = mx51_3ds_timer_init,
|
||
|
|
};
|
||
|
|
|
||
|
|
MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board")
|
||
|
|
/* Maintainer: Freescale Semiconductor, Inc. */
|
||
|
|
.phys_io = MX51_AIPS1_BASE_ADDR,
|
||
|
|
.io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
|
||
|
|
.boot_params = PHYS_OFFSET + 0x100,
|
||
|
|
.map_io = mx51_map_io,
|
||
|
|
.init_irq = mx51_init_irq,
|
||
|
|
.init_machine = mxc_board_init,
|
||
|
|
.timer = &mxc_timer,
|
||
|
|
MACHINE_END
|