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/*
* Copyright (C) 2012 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/nodemask.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/fsl_devices.h>
#include <linux/smsc911x.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/i2c.h>
#include <linux/i2c/pca953x.h>
#include <linux/ata.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <linux/pmic_external.h>
#include <linux/pmic_status.h>
#include <linux/mxcfb.h>
#include <linux/pwm_backlight.h>
#include <linux/fec.h>
#include <linux/memblock.h>
#include <linux/gpio.h>
#include <linux/etherdevice.h>
#include <linux/regulator/anatop-regulator.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/mfd/max17135.h>
#include <sound/wm8962.h>
#include <sound/pcm.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/mxc_dvfs.h>
#include <mach/memory.h>
#include <mach/iomux-mx6sl.h>
#include <mach/imx-uart.h>
#include <mach/viv_gpu.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include "usb.h"
#include "devices-imx6q.h"
#include "crm_regs.h"
#include "cpu_op-mx6.h"
#include "board-mx6sl_arm2.h"
#define MX6_ARM2_USBOTG1_PWR IMX_GPIO_NR(4, 0) /* KEY_COL4 */
#define MX6_ARM2_USBOTG2_PWR IMX_GPIO_NR(4, 2) /* KEY_COL5 */
#define MX6_ARM2_SD1_WP IMX_GPIO_NR(4, 6) /* KEY_COL7 */
#define MX6_ARM2_SD1_CD IMX_GPIO_NR(4, 7) /* KEY_ROW7 */
#define MX6_ARM2_SD2_WP IMX_GPIO_NR(4, 29) /* SD2_DAT6 */
#define MX6_ARM2_SD2_CD IMX_GPIO_NR(5, 0) /* SD2_DAT7 */
#define MX6_ARM2_SD3_CD IMX_GPIO_NR(3, 22) /* REF_CLK_32K */
#define MX6_ARM2_FEC_PWR_EN IMX_GPIO_NR(4, 21) /* FEC_TX_CLK */
static const struct esdhc_platform_data mx6_arm2_sd1_data __initconst = {
.cd_gpio = MX6_ARM2_SD1_CD,
.wp_gpio = MX6_ARM2_SD1_WP,
.support_8bit = 1,
.keep_power_at_suspend = 1,
.delay_line = 0,
};
static const struct esdhc_platform_data mx6_arm2_sd2_data __initconst = {
.cd_gpio = MX6_ARM2_SD2_CD,
.wp_gpio = MX6_ARM2_SD2_WP,
.keep_power_at_suspend = 1,
.delay_line = 0,
};
static const struct esdhc_platform_data mx6_arm2_sd3_data __initconst = {
.cd_gpio = MX6_ARM2_SD3_CD,
.keep_power_at_suspend = 1,
.delay_line = 0,
};
void __init early_console_setup(unsigned long base, struct clk *clk);
static inline void mx6_arm2_init_uart(void)
{
imx6q_add_imx_uart(0, NULL); /* DEBUG UART1 */
imx6q_add_sdhci_usdhc_imx(0, &mx6_arm2_sd1_data);
imx6q_add_sdhci_usdhc_imx(1, &mx6_arm2_sd2_data);
imx6q_add_sdhci_usdhc_imx(2, &mx6_arm2_sd3_data);
}
static struct fec_platform_data fec_data __initdata = {
.phy = PHY_INTERFACE_MODE_RMII,
};
static void imx6_arm2_usbotg_vbus(bool on)
{
if (on)
gpio_set_value(MX6_ARM2_USBOTG1_PWR, 1);
else
gpio_set_value(MX6_ARM2_USBOTG1_PWR, 0);
}
static void __init mx6_arm2_init_usb(void)
{
int ret = 0;
imx_otg_base = MX6_IO_ADDRESS(MX6Q_USB_OTG_BASE_ADDR);
/* disable external charger detect,
* or it will affect signal quality at dp.
*/
ret = gpio_request(MX6_ARM2_USBOTG1_PWR, "usbotg-pwr");
if (ret) {
pr_err("failed to get GPIO MX6_ARM2_USBOTG1_PWR:%d\n", ret);
return;
}
gpio_direction_output(MX6_ARM2_USBOTG1_PWR, 0);
ret = gpio_request(MX6_ARM2_USBOTG2_PWR, "usbh1-pwr");
if (ret) {
pr_err("failed to get GPIO MX6_ARM2_USBOTG2_PWR:%d\n", ret);
return;
}
gpio_direction_output(MX6_ARM2_USBOTG2_PWR, 1);
mx6_set_otghost_vbus_func(imx6_arm2_usbotg_vbus);
mx6_usb_dr_init();
mx6_usb_h1_init();
#ifdef CONFIG_USB_EHCI_ARC_HSIC
mx6_usb_h2_init();
#endif
}
/*!
* Board specific initialization.
*/
static void __init mx6_arm2_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx6sl_arm2_pads, ARRAY_SIZE(mx6sl_arm2_pads));
mx6_arm2_init_uart();
/* get enet tx reference clk from FEC_REF_CLK pad.
* GPR1[14] = 0, GPR1[18:17] = 00
*/
mxc_iomux_set_gpr_register(1, 14, 1, 0);
mxc_iomux_set_gpr_register(1, 17, 2, 0);
/* power on FEC phy and reset phy */
gpio_request(MX6_ARM2_FEC_PWR_EN, "fec-pwr");
gpio_direction_output(MX6_ARM2_FEC_PWR_EN, 1);
/* wait RC ms for hw reset */
udelay(500);
imx6_init_fec(fec_data);
mx6_arm2_init_usb();
}
extern void __iomem *twd_base;
static void __init mx6_timer_init(void)
{
struct clk *uart_clk;
#ifdef CONFIG_LOCAL_TIMERS
twd_base = ioremap(LOCAL_TWD_ADDR, SZ_256);
BUG_ON(!twd_base);
#endif
mx6sl_clocks_init(32768, 24000000, 0, 0);
uart_clk = clk_get_sys("imx-uart.0", NULL);
early_console_setup(UART1_BASE_ADDR, uart_clk);
}
static struct sys_timer mxc_timer = {
.init = mx6_timer_init,
};
static void __init mx6_arm2_reserve(void)
{
}
MACHINE_START(MX6SL_ARM2, "Freescale i.MX 6SoloLite Armadillo2 Board")
.boot_params = MX6SL_PHYS_OFFSET + 0x100,
.map_io = mx6_map_io,
.init_irq = mx6_init_irq,
.init_machine = mx6_arm2_init,
.timer = &mxc_timer,
.reserve = mx6_arm2_reserve,
MACHINE_END
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