1 files changed, 64 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/arm64/sysinfo.c b/payloads/libpayload/arch/arm64/sysinfo.c
new file mode 100644
index 0000000000..6d204e2dc7
--- /dev/null
+++ b/payloads/libpayload/arch/arm64/sysinfo.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libpayload-config.h>
+#include <libpayload.h>
+#include <coreboot_tables.h>
+
+/**
+ * This is a global structure that is used through the library - we set it
+ * up initially with some dummy values - hopefully they will be overridden.
+ */
+struct sysinfo_t lib_sysinfo = {
+	.cpu_khz = 200,
+};
+
+int lib_get_sysinfo(void)
+{
+	int ret;
+
+	/* Get the CPU speed (for delays). */
+	lib_sysinfo.cpu_khz = get_cpu_speed();
+
+	/* Get information from the coreboot tables,
+	 * if they exist */
+
+	ret = get_coreboot_info(&lib_sysinfo);
+
+	if (!lib_sysinfo.n_memranges) {
+		/* If we can't get a good memory range, use the default. */
+		lib_sysinfo.n_memranges = 1;
+
+		lib_sysinfo.memrange[0].base = 0;
+		lib_sysinfo.memrange[0].size = 1024 * 1024;
+		lib_sysinfo.memrange[0].type = CB_MEM_RAM;
+	}
+
+	return ret;
+}