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/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mx7ulp-pins.h>
#include <asm/arch/iomux.h>
#include <asm/gpio.h>
#include <usb.h>
#include <dm.h>
#include <asm/imx-common/video.h>
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PUS_UP)
#define QSPI_PAD_CTRL1 (PAD_CTL_PUS_UP | PAD_CTL_DSE)
#define OTG_ID_GPIO_PAD_CTRL (PAD_CTL_IBE_ENABLE)
#define MIPI_GPIO_PAD_CTRL (PAD_CTL_OBE_ENABLE)
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_SIZE;
return 0;
}
static iomux_cfg_t const lpuart4_pads[] = {
MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
mx7ulp_iomux_setup_multiple_pads(lpuart4_pads,
ARRAY_SIZE(lpuart4_pads));
}
#ifdef CONFIG_FSL_QSPI
#ifndef CONFIG_DM_SPI
static iomux_cfg_t const quadspi_pads[] = {
MX7ULP_PAD_PTB8__QSPIA_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX7ULP_PAD_PTB15__QSPIA_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX7ULP_PAD_PTB16__QSPIA_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX7ULP_PAD_PTB17__QSPIA_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX7ULP_PAD_PTB18__QSPIA_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX7ULP_PAD_PTB19__QSPIA_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
};
#endif
int board_qspi_init(void)
{
u32 val;
#ifndef CONFIG_DM_SPI
mx7ulp_iomux_setup_multiple_pads(quadspi_pads, ARRAY_SIZE(quadspi_pads));
#endif
/* enable clock */
val = readl(PCC1_RBASE + 0x94);
if (!(val & 0x20000000)) {
writel(0x03000003, (PCC1_RBASE + 0x94));
writel(0x43000003, (PCC1_RBASE + 0x94));
}
return 0;
}
#endif
#ifdef CONFIG_DM_USB
static iomux_cfg_t const usb_otg1_pads[] = {
MX7ULP_PAD_PTC8__PTC8 | MUX_PAD_CTRL(OTG_ID_GPIO_PAD_CTRL), /* gpio for OTG ID*/
};
static void setup_usb(void)
{
mx7ulp_iomux_setup_multiple_pads(usb_otg1_pads,
ARRAY_SIZE(usb_otg1_pads));
gpio_request(IMX_GPIO_NR(3, 8), "otg_id");
gpio_direction_input(IMX_GPIO_NR(3, 8));
}
int board_ehci_usb_phy_mode(struct udevice *dev)
{
int ret = 0;
if (dev_get_addr(dev) == USBOTG0_RBASE) {
ret = gpio_get_value(IMX_GPIO_NR(3, 8));
if (ret)
return USB_INIT_DEVICE;
else
return USB_INIT_HOST;
}
return USB_INIT_HOST;
}
#endif
int board_early_init_f(void)
{
setup_iomux_uart();
return 0;
}
#ifdef CONFIG_VIDEO_MXS
#define MIPI_RESET_GPIO IMX_GPIO_NR(3, 19)
#define LED_PWM_EN_GPIO IMX_GPIO_NR(6, 2)
static iomux_cfg_t const mipi_reset_pad[] = {
MX7ULP_PAD_PTC19__PTC19 | MUX_PAD_CTRL(MIPI_GPIO_PAD_CTRL),
};
static iomux_cfg_t const led_pwm_en_pad[] = {
MX7ULP_PAD_PTF2__PTF2 | MUX_PAD_CTRL(MIPI_GPIO_PAD_CTRL),
};
int board_mipi_panel_reset(void)
{
gpio_direction_output(MIPI_RESET_GPIO, 0);
udelay(1000);
gpio_direction_output(MIPI_RESET_GPIO, 1);
return 0;
}
int board_mipi_panel_shutdown(void)
{
gpio_direction_output(MIPI_RESET_GPIO, 0);
gpio_direction_output(LED_PWM_EN_GPIO, 0);
return 0;
}
void setup_mipi_reset(void)
{
mx7ulp_iomux_setup_multiple_pads(mipi_reset_pad, ARRAY_SIZE(mipi_reset_pad));
gpio_request(MIPI_RESET_GPIO, "mipi_panel_reset");
}
void do_enable_mipi_dsi(struct display_info_t const *dev)
{
setup_mipi_reset();
/* Enable backlight */
mx7ulp_iomux_setup_multiple_pads(led_pwm_en_pad, ARRAY_SIZE(mipi_reset_pad));
gpio_request(LED_PWM_EN_GPIO, "led_pwm_en");
gpio_direction_output(LED_PWM_EN_GPIO, 1);
}
struct display_info_t const displays[] = {{
.bus = LCDIF_RBASE,
.addr = 0,
.pixfmt = 24,
.detect = NULL,
.enable = do_enable_mipi_dsi,
.mode = {
.name = "HX8363_WVGA",
.xres = 480,
.yres = 854,
.pixclock = 41042,
.left_margin = 40,
.right_margin = 60,
.upper_margin = 3,
.lower_margin = 3,
.hsync_len = 8,
.vsync_len = 4,
.sync = 0,
.vmode = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);
#endif
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_FSL_QSPI
board_qspi_init();
#endif
#ifdef CONFIG_DM_USB
setup_usb();
#endif
return 0;
}
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