179 lines
4.5 KiB
C
179 lines
4.5 KiB
C
/*
|
|
* Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
* Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.org>
|
|
*/
|
|
|
|
/*
|
|
* 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/delay.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/spi/flash.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <mach/common.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <mach/iomux-mx53.h>
|
|
|
|
#define MX53_EVK_FEC_PHY_RST IMX_GPIO_NR(7, 6)
|
|
#define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30)
|
|
#define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19)
|
|
#define MX53EVK_LED IMX_GPIO_NR(7, 7)
|
|
|
|
#include "devices-imx53.h"
|
|
|
|
static iomux_v3_cfg_t mx53_evk_pads[] = {
|
|
MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
|
|
MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
|
|
|
|
MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX,
|
|
MX53_PAD_PATA_DMARQ__UART2_TXD_MUX,
|
|
MX53_PAD_PATA_DIOR__UART2_RTS,
|
|
MX53_PAD_PATA_INTRQ__UART2_CTS,
|
|
|
|
MX53_PAD_PATA_CS_0__UART3_TXD_MUX,
|
|
MX53_PAD_PATA_CS_1__UART3_RXD_MUX,
|
|
|
|
MX53_PAD_EIM_D16__ECSPI1_SCLK,
|
|
MX53_PAD_EIM_D17__ECSPI1_MISO,
|
|
MX53_PAD_EIM_D18__ECSPI1_MOSI,
|
|
|
|
/* ecspi chip select lines */
|
|
MX53_PAD_EIM_EB2__GPIO2_30,
|
|
MX53_PAD_EIM_D19__GPIO3_19,
|
|
/* LED */
|
|
MX53_PAD_PATA_DA_1__GPIO7_7,
|
|
};
|
|
|
|
static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static const struct gpio_led mx53evk_leds[] __initconst = {
|
|
{
|
|
.name = "green",
|
|
.default_trigger = "heartbeat",
|
|
.gpio = MX53EVK_LED,
|
|
},
|
|
};
|
|
|
|
static const struct gpio_led_platform_data mx53evk_leds_data __initconst = {
|
|
.leds = mx53evk_leds,
|
|
.num_leds = ARRAY_SIZE(mx53evk_leds),
|
|
};
|
|
|
|
static inline void mx53_evk_init_uart(void)
|
|
{
|
|
imx53_add_imx_uart(0, NULL);
|
|
imx53_add_imx_uart(1, &mx53_evk_uart_pdata);
|
|
imx53_add_imx_uart(2, NULL);
|
|
}
|
|
|
|
static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = {
|
|
.bitrate = 100000,
|
|
};
|
|
|
|
static inline void mx53_evk_fec_reset(void)
|
|
{
|
|
int ret;
|
|
|
|
/* reset FEC PHY */
|
|
ret = gpio_request_one(MX53_EVK_FEC_PHY_RST, GPIOF_OUT_INIT_LOW,
|
|
"fec-phy-reset");
|
|
if (ret) {
|
|
printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
|
|
return;
|
|
}
|
|
msleep(1);
|
|
gpio_set_value(MX53_EVK_FEC_PHY_RST, 1);
|
|
}
|
|
|
|
static const struct fec_platform_data mx53_evk_fec_pdata __initconst = {
|
|
.phy = PHY_INTERFACE_MODE_RMII,
|
|
};
|
|
|
|
static struct spi_board_info mx53_evk_spi_board_info[] __initdata = {
|
|
{
|
|
.modalias = "mtd_dataflash",
|
|
.max_speed_hz = 25000000,
|
|
.bus_num = 0,
|
|
.chip_select = 1,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = NULL,
|
|
},
|
|
};
|
|
|
|
static int mx53_evk_spi_cs[] = {
|
|
EVK_ECSPI1_CS0,
|
|
EVK_ECSPI1_CS1,
|
|
};
|
|
|
|
static const struct spi_imx_master mx53_evk_spi_data __initconst = {
|
|
.chipselect = mx53_evk_spi_cs,
|
|
.num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs),
|
|
};
|
|
|
|
void __init imx53_evk_common_init(void)
|
|
{
|
|
mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
|
|
ARRAY_SIZE(mx53_evk_pads));
|
|
}
|
|
|
|
static void __init mx53_evk_board_init(void)
|
|
{
|
|
imx53_soc_init();
|
|
imx53_evk_common_init();
|
|
|
|
mx53_evk_init_uart();
|
|
mx53_evk_fec_reset();
|
|
imx53_add_fec(&mx53_evk_fec_pdata);
|
|
|
|
imx53_add_imx_i2c(0, &mx53_evk_i2c_data);
|
|
imx53_add_imx_i2c(1, &mx53_evk_i2c_data);
|
|
|
|
imx53_add_sdhci_esdhc_imx(0, NULL);
|
|
imx53_add_sdhci_esdhc_imx(1, NULL);
|
|
|
|
spi_register_board_info(mx53_evk_spi_board_info,
|
|
ARRAY_SIZE(mx53_evk_spi_board_info));
|
|
imx53_add_ecspi(0, &mx53_evk_spi_data);
|
|
imx53_add_imx2_wdt(0, NULL);
|
|
gpio_led_register_device(-1, &mx53evk_leds_data);
|
|
}
|
|
|
|
static void __init mx53_evk_timer_init(void)
|
|
{
|
|
mx53_clocks_init(32768, 24000000, 22579200, 0);
|
|
}
|
|
|
|
static struct sys_timer mx53_evk_timer = {
|
|
.init = mx53_evk_timer_init,
|
|
};
|
|
|
|
MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board")
|
|
.map_io = mx53_map_io,
|
|
.init_early = imx53_init_early,
|
|
.init_irq = mx53_init_irq,
|
|
.handle_irq = imx53_handle_irq,
|
|
.timer = &mx53_evk_timer,
|
|
.init_machine = mx53_evk_board_init,
|
|
.restart = mxc_restart,
|
|
MACHINE_END
|