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

source/bootloader/u-boot-2020.01/arch/arm/mach-uniphier/sbc/sbc-ld11.c

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016-2017 Socionext Inc.
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <linux/io.h>
+
+#include "../init.h"
+#include "sbc-regs.h"
+
+void uniphier_ld11_sbc_init(void)
+{
+	if (!uniphier_sbc_is_enabled())
+		return;
+
+	uniphier_sbc_init_savepin();
+
+	/* necessary for ROM boot ?? */
+	/* system bus output enable */
+	writel(0x17, PC0CTRL);
+
+	/* pins for NAND and System Bus are multiplexed */
+	if (spl_boot_device() != BOOT_DEVICE_NAND)
+		uniphier_pin_init("system-bus");
+}