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

source/bootloader/u-boot-2020.01/board/mscc/luton/Kconfig

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+if SOC_LUTON
+
+config SYS_VENDOR
+	default "mscc"
+
+config SYS_BOARD
+	default "luton"
+
+config SYS_CONFIG_NAME
+	default "luton"
+
+endif

source/bootloader/u-boot-2020.01/board/mscc/luton/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+obj-$(CONFIG_SOC_LUTON)	:= luton.o

source/bootloader/u-boot-2020.01/board/mscc/luton/luton.c

@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/io.h>
+#include <led.h>
+#include <miiphy.h>
+
+enum {
+	BOARD_TYPE_PCB090 = 0xAABBCD00,
+	BOARD_TYPE_PCB091,
+};
+
+void board_debug_uart_init(void)
+{
+	/* too early for the pinctrl driver, so configure the UART pins here */
+	mscc_gpio_set_alternate(30, 1);
+	mscc_gpio_set_alternate(31, 1);
+}
+
+int board_early_init_r(void)
+{
+	/* Prepare SPI controller to be used in master mode */
+	writel(0, BASE_CFG + ICPU_SW_MODE);
+
+	/* Address of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE;
+
+	/* LED setup */
+	if (IS_ENABLED(CONFIG_LED))
+		led_default_state();
+
+	return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	phy_write(phydev, 0, 31, 0x10);
+	phy_write(phydev, 0, 18, 0x80A0);
+	while (phy_read(phydev, 0, 18) & 0x8000)
+		;
+	phy_write(phydev, 0, 31, 0);
+	return 0;
+}
+
+static void do_board_detect(void)
+{
+	u32 chipid = (readl(BASE_DEVCPU_GCB + CHIP_ID) >> 12) & 0xFFFF;
+
+	if (chipid == 0x7428 || chipid == 0x7424)
+		gd->board_type = BOARD_TYPE_PCB091;    // Lu10
+	else
+		gd->board_type = BOARD_TYPE_PCB090;    // Lu26
+}
+
+#if defined(CONFIG_MULTI_DTB_FIT)
+int board_fit_config_name_match(const char *name)
+{
+	if (gd->board_type == BOARD_TYPE_PCB090 &&
+	    strcmp(name, "luton_pcb090") == 0)
+		return 0;
+
+	if (gd->board_type == BOARD_TYPE_PCB091 &&
+	    strcmp(name, "luton_pcb091") == 0)
+		return 0;
+
+	return -1;
+}
+#endif
+
+#if defined(CONFIG_DTB_RESELECT)
+int embedded_dtb_select(void)
+{
+	do_board_detect();
+	fdtdec_setup();
+
+	return 0;
+}
+#endif