GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/dfi/dfi-bt700/Kconfig

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+config SYS_BOARD
+	default "dfi-bt700"
+
+config SYS_VENDOR
+	default "dfi"
+
+config SYS_SOC
+	default "baytrail"
+
+config SYS_CONFIG_NAME
+	default "dfi-bt700" if TARGET_Q7X_151_DFI_BT700
+	default "theadorable-x86-dfi-bt700" if TARGET_THEADORABLE_X86_DFI_BT700
+
+config SYS_TEXT_BASE
+	default 0xfff00000
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+	select X86_RESET_VECTOR
+	select INTEL_BAYTRAIL
+	select BOARD_ROMSIZE_KB_8192
+	select BOARD_EARLY_INIT_F
+	select BOARD_LATE_INIT
+	select SPI_FLASH_STMICRO
+	imply SPI_FLASH_SPANSION
+	imply SPI_FLASH_WINBOND
+	select SERIAL_RX_BUFFER
+
+config PCIE_ECAM_BASE
+	default 0xe0000000

source/bootloader/u-boot-2020.01/board/dfi/dfi-bt700/MAINTAINERS

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+congatec DFI-BT700
+M:	Stefan Roese <sr@denx.de>
+S:	Maintained
+F:	board/dfi/dfi-bt700
+F:	include/configs/dfi-bt700.h
+F:	include/configs/theadorable-x86-dfi-bt700.h
+F:	configs/dfi-bt700-q7x-151_defconfig
+F:	configs/theadorable-x86-dfi-bt700_defconfig
+F:	arch/x86/dts/dfi-bt700.dtsi
+F:	arch/x86/dts/dfi-bt700-q7x-151.dts
+F:	arch/x86/dts/theadorable-x86-dfi-bt700.dts

source/bootloader/u-boot-2020.01/board/dfi/dfi-bt700/Makefile

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+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2015, Google, Inc
+
+obj-y	+= dfi-bt700.o start.o
+obj-$(CONFIG_GENERATE_ACPI_TABLE) += dsdt.o

source/bootloader/u-boot-2020.01/board/dfi/dfi-bt700/acpi/mainboard.asl

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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+/* Power Button */
+Device (PWRB)
+{
+	Name(_HID, EISAID("PNP0C0C"))
+}
+
+/* TODO: Need add Nuvoton SuperIO chipset NCT6102D ASL codes */

source/bootloader/u-boot-2020.01/board/dfi/dfi-bt700/dfi-bt700.c

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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Stefan Roese <sr@denx.de>
+ */
+
+#include <common.h>
+#include <init.h>
+#include <nuvoton_nct6102d.h>
+#include <asm/gpio.h>
+#include <asm/ibmpc.h>
+#include <asm/pnp_def.h>
+
+int board_early_init_f(void)
+{
+#ifdef CONFIG_INTERNAL_UART
+	/* Disable the legacy UART which is enabled per default */
+	nct6102d_uarta_disable();
+#else
+	/*
+	 * The FSP enables the BayTrail internal legacy UART (again).
+	 * Disable it again, so that the Nuvoton one can be used.
+	 */
+	setup_internal_uart(0);
+#endif
+
+	/* Disable the watchdog which is enabled per default */
+	nct6102d_wdt_disable();
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	struct gpio_desc desc;
+	int ret;
+
+	ret = dm_gpio_lookup_name("F10", &desc);
+	if (ret)
+		debug("gpio ret=%d\n", ret);
+	ret = dm_gpio_request(&desc, "xhci_hub_reset");
+	if (ret)
+		debug("gpio_request ret=%d\n", ret);
+	ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
+	if (ret)
+		debug("gpio dir ret=%d\n", ret);
+
+	/* Pull xHCI hub reset to low (active low) */
+	dm_gpio_set_value(&desc, 0);
+
+	/* Wait at least 5 ms, so lets choose 10 to be safe */
+	mdelay(10);
+
+	/* Pull xHCI hub reset to high (active low) */
+	dm_gpio_set_value(&desc, 1);
+
+	return 0;
+}

source/bootloader/u-boot-2020.01/board/dfi/dfi-bt700/dsdt.asl

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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+DefinitionBlock("dsdt.aml", "DSDT", 2, "U-BOOT", "U-BOOTBL", 0x00010000)
+{
+	/* platform specific */
+	#include <asm/arch/acpi/platform.asl>
+
+	/* board specific */
+	#include "acpi/mainboard.asl"
+}

source/bootloader/u-boot-2020.01/board/dfi/dfi-bt700/start.S

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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2015, Google, Inc
+ */
+
+.globl early_board_init
+early_board_init:
+	jmp	early_board_init_ret