1 files changed, 74 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/cpu/coreboot/timestamp.c b/roms/u-boot/arch/x86/cpu/coreboot/timestamp.c
new file mode 100644
index 000000000..3ad611a53
--- /dev/null
+++ b/roms/u-boot/arch/x86/cpu/coreboot/timestamp.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * Modified from the coreboot version
+ */
+
+#include <common.h>
+#include <bootstage.h>
+#include <asm/arch/timestamp.h>
+#include <asm/cb_sysinfo.h>
+#include <linux/compiler.h>
+
+static struct timestamp_table *ts_table  __section(".data");
+
+void timestamp_init(void)
+{
+	timestamp_add_now(TS_U_BOOT_INITTED);
+}
+
+void timestamp_add(enum timestamp_id id, uint64_t ts_time)
+{
+	struct timestamp_entry *tse;
+
+	if (!ts_table || (ts_table->num_entries == ts_table->max_entries))
+		return;
+
+	tse = &ts_table->entries[ts_table->num_entries++];
+	tse->entry_id = id;
+	tse->entry_stamp = ts_time - ts_table->base_time;
+}
+
+void timestamp_add_now(enum timestamp_id id)
+{
+	timestamp_add(id, rdtsc());
+}
+
+int timestamp_add_to_bootstage(void)
+{
+	uint i;
+
+	if (!ts_table)
+		return -1;
+
+	for (i = 0; i < ts_table->num_entries; i++) {
+		struct timestamp_entry *tse = &ts_table->entries[i];
+		const char *name = NULL;
+
+		switch (tse->entry_id) {
+		case TS_START_ROMSTAGE:
+			name = "start-romstage";
+			break;
+		case TS_BEFORE_INITRAM:
+			name = "before-initram";
+			break;
+		case TS_DEVICE_INITIALIZE:
+			name = "device-initialize";
+			break;
+		case TS_DEVICE_DONE:
+			name = "device-done";
+			break;
+		case TS_SELFBOOT_JUMP:
+			name = "selfboot-jump";
+			break;
+		}
+		if (name) {
+			bootstage_add_record(0, name, BOOTSTAGEF_ALLOC,
+					     tse->entry_stamp /
+							get_tbclk_mhz());
+		}
+	}
+
+	return 0;
+}