mirror of https://gitee.com/openkylin/linux.git
180 lines
4.2 KiB
C
180 lines
4.2 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 <linux/spi/spi.h>
|
|
#include <linux/gpio.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/3ds_debugboard.h>
|
|
|
|
#include "devices-imx51.h"
|
|
|
|
#define MX51_3DS_ECSPI2_CS (GPIO_PORTC + 28)
|
|
|
|
static iomux_v3_cfg_t 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_GPIO1_6__GPIO1_6,
|
|
|
|
/* KPP */
|
|
MX51_PAD_KEY_ROW0__KEY_ROW0,
|
|
MX51_PAD_KEY_ROW1__KEY_ROW1,
|
|
MX51_PAD_KEY_ROW2__KEY_ROW2,
|
|
MX51_PAD_KEY_ROW3__KEY_ROW3,
|
|
MX51_PAD_KEY_COL0__KEY_COL0,
|
|
MX51_PAD_KEY_COL1__KEY_COL1,
|
|
MX51_PAD_KEY_COL2__KEY_COL2,
|
|
MX51_PAD_KEY_COL3__KEY_COL3,
|
|
MX51_PAD_KEY_COL4__KEY_COL4,
|
|
MX51_PAD_KEY_COL5__KEY_COL5,
|
|
|
|
/* eCSPI2 */
|
|
MX51_PAD_NANDF_RB2__ECSPI2_SCLK,
|
|
MX51_PAD_NANDF_RB3__ECSPI2_MISO,
|
|
MX51_PAD_NANDF_D15__ECSPI2_MOSI,
|
|
MX51_PAD_NANDF_D12__GPIO3_28,
|
|
};
|
|
|
|
/* Serial ports */
|
|
static const struct imxuart_platform_data uart_pdata __initconst = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static int mx51_3ds_board_keymap[] = {
|
|
KEY(0, 0, KEY_1),
|
|
KEY(0, 1, KEY_2),
|
|
KEY(0, 2, KEY_3),
|
|
KEY(0, 3, KEY_F1),
|
|
KEY(0, 4, KEY_UP),
|
|
KEY(0, 5, KEY_F2),
|
|
|
|
KEY(1, 0, KEY_4),
|
|
KEY(1, 1, KEY_5),
|
|
KEY(1, 2, KEY_6),
|
|
KEY(1, 3, KEY_LEFT),
|
|
KEY(1, 4, KEY_SELECT),
|
|
KEY(1, 5, KEY_RIGHT),
|
|
|
|
KEY(2, 0, KEY_7),
|
|
KEY(2, 1, KEY_8),
|
|
KEY(2, 2, KEY_9),
|
|
KEY(2, 3, KEY_F3),
|
|
KEY(2, 4, KEY_DOWN),
|
|
KEY(2, 5, KEY_F4),
|
|
|
|
KEY(3, 0, KEY_0),
|
|
KEY(3, 1, KEY_OK),
|
|
KEY(3, 2, KEY_ESC),
|
|
KEY(3, 3, KEY_ENTER),
|
|
KEY(3, 4, KEY_MENU),
|
|
KEY(3, 5, KEY_BACK)
|
|
};
|
|
|
|
static const struct matrix_keymap_data mx51_3ds_map_data __initconst = {
|
|
.keymap = mx51_3ds_board_keymap,
|
|
.keymap_size = ARRAY_SIZE(mx51_3ds_board_keymap),
|
|
};
|
|
|
|
static int mx51_3ds_spi2_cs[] = {
|
|
MXC_SPI_CS(0),
|
|
MX51_3DS_ECSPI2_CS,
|
|
};
|
|
|
|
static const struct spi_imx_master mx51_3ds_ecspi2_pdata __initconst = {
|
|
.chipselect = mx51_3ds_spi2_cs,
|
|
.num_chipselect = ARRAY_SIZE(mx51_3ds_spi2_cs),
|
|
};
|
|
|
|
static struct spi_board_info mx51_3ds_spi_nor_device[] = {
|
|
{
|
|
.modalias = "m25p80",
|
|
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
|
|
.bus_num = 1,
|
|
.chip_select = 1,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = NULL,},
|
|
};
|
|
|
|
/*
|
|
* Board specific initialization.
|
|
*/
|
|
static void __init mx51_3ds_init(void)
|
|
{
|
|
imx51_soc_init();
|
|
|
|
mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads,
|
|
ARRAY_SIZE(mx51_3ds_pads));
|
|
|
|
imx51_add_imx_uart(0, &uart_pdata);
|
|
imx51_add_imx_uart(1, &uart_pdata);
|
|
imx51_add_imx_uart(2, &uart_pdata);
|
|
|
|
imx51_add_ecspi(1, &mx51_3ds_ecspi2_pdata);
|
|
spi_register_board_info(mx51_3ds_spi_nor_device,
|
|
ARRAY_SIZE(mx51_3ds_spi_nor_device));
|
|
|
|
if (mxc_expio_init(MX51_CS5_BASE_ADDR, IMX_GPIO_NR(1, 6)))
|
|
printk(KERN_WARNING "Init of the debugboard failed, all "
|
|
"devices on the board are unusable.\n");
|
|
|
|
imx51_add_sdhci_esdhc_imx(0, NULL);
|
|
imx51_add_imx_keypad(&mx51_3ds_map_data);
|
|
imx51_add_imx2_wdt(0);
|
|
}
|
|
|
|
static void __init mx51_3ds_timer_init(void)
|
|
{
|
|
mx51_clocks_init(32768, 24000000, 22579200, 0);
|
|
}
|
|
|
|
static struct sys_timer mx51_3ds_timer = {
|
|
.init = mx51_3ds_timer_init,
|
|
};
|
|
|
|
MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board")
|
|
/* Maintainer: Freescale Semiconductor, Inc. */
|
|
.atag_offset = 0x100,
|
|
.map_io = mx51_map_io,
|
|
.init_early = imx51_init_early,
|
|
.init_irq = mx51_init_irq,
|
|
.handle_irq = imx51_handle_irq,
|
|
.timer = &mx51_3ds_timer,
|
|
.init_machine = mx51_3ds_init,
|
|
.init_late = imx51_init_late,
|
|
.restart = mxc_restart,
|
|
MACHINE_END
|