[uboot] create uboot from github:

repo: https://github.com/u-boot/u-boot commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91 Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
2023-02-22 11:43:42 +08:00
parent 2e8190643f
commit f8fc109960
17772 changed files with 3741777 additions and 0 deletions
--- a/u-boot-2021.10/arch/riscv/lib/sifive_cache.c
+++ b/u-boot-2021.10/arch/riscv/lib/sifive_cache.c
@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 SiFive, Inc
+ */
+
+#include <common.h>
+#include <cache.h>
+#include <cpu_func.h>
+#include <dm.h>
+
+void enable_caches(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	/* Enable ways of ccache */
+	ret = uclass_get_device_by_driver(UCLASS_CACHE,
+					  DM_DRIVER_GET(sifive_ccache),
+					  &dev);
+	if (ret) {
+		log_debug("Cannot enable cache ways");
+	} else {
+		ret = cache_enable(dev);
+		if (ret)
+			log_debug("ccache enable failed");
+	}
+}