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https://github.com/AsahiLinux/u-boot
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OPOS6UL is an i.MX6UL based SoM with 256MB RAM, 4GB eMMC and an ethernet phy. OPOS6ULDev is carrier board for the OPOS6UL. U-Boot SPL 2017.03-rc3-00002-g5085c26 (Mar 07 2017 - 09:48:09) Trying to boot from MMC1 U-Boot 2017.03-rc3-00002-g5085c26 (Mar 07 2017 - 09:48:09 +0100) CPU: Freescale i.MX6UL rev1.0 528 MHz (running at 396 MHz) CPU: Industrial temperature grade (-40C to 105C) at 40C Reset cause: POR Model: Armadeus Systems OPOS6UL SoM on OPOS6ULDev board DRAM: 256 MiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Video: 800x480x18 In: serial Out: serial Err: serial Net: FEC [PRIME] Hit any key to stop autoboot: 0 Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com> Reviewed-by: Simon Glass <sjg@chromium.org>
125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
/*
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* Copyright (C) 2017 Armadeus Systems
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <asm/arch/clock.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/opos6ul.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/imx-common/iomux-v3.h>
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#include <asm/io.h>
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#include <common.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_VIDEO_MXS
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#define LCD_PAD_CTRL ( \
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PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm \
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)
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static iomux_v3_cfg_t const lcd_pads[] = {
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MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL)
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};
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int setup_lcd(void)
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{
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struct gpio_desc backlight;
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int ret;
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enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
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imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
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/* Set Brightness to high */
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ret = dm_gpio_lookup_name("GPIO4_10", &backlight);
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if (ret) {
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printf("Cannot get GPIO4_10\n");
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return ret;
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}
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ret = dm_gpio_request(&backlight, "backlight");
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if (ret) {
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printf("Cannot request GPIO4_10\n");
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return ret;
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}
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dm_gpio_set_dir_flags(&backlight, GPIOD_IS_OUT);
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dm_gpio_set_value(&backlight, 1);
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return 0;
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}
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#endif
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#ifdef CONFIG_USB_EHCI_MX6
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#define USB_OTHERREGS_OFFSET 0x800
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#define UCTRL_PWR_POL (1 << 9)
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int board_ehci_hcd_init(int port)
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{
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u32 *usbnc_usb_ctrl;
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if (port > 1)
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return -EINVAL;
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usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
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port * 4);
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/* Set Power polarity */
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setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
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return 0;
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}
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#endif
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int opos6ul_board_late_init(void)
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{
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#ifdef CONFIG_VIDEO_MXS
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setup_lcd();
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#endif
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return 0;
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}
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#ifdef CONFIG_SPL_BUILD
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#define UART_PAD_CTRL ( \
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PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST \
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)
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static iomux_v3_cfg_t const uart1_pads[] = {
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MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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void opos6ul_setup_uart_debug(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
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}
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#endif /* CONFIG_SPL_BUILD */
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