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-rw-r--r--util/flashrom/udelay.c66
1 files changed, 0 insertions, 66 deletions
diff --git a/util/flashrom/udelay.c b/util/flashrom/udelay.c
deleted file mode 100644
index 516e20813c..0000000000
--- a/util/flashrom/udelay.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 2000 Silicon Integrated System Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <sys/time.h>
-#include <stdio.h>
-#include "flash.h"
-
-// count to a billion. Time it. If it's < 1 sec, count to 10B, etc.
-unsigned long micro = 1;
-
-void myusec_delay(int time)
-{
- volatile unsigned long i;
- for (i = 0; i < time * micro; i++) ;
-}
-
-void myusec_calibrate_delay(void)
-{
- int count = 1000;
- unsigned long timeusec;
- struct timeval start, end;
- int ok = 0;
-
- printf("Calibrating delay loop... ");
-
- while (!ok) {
- gettimeofday(&start, 0);
- myusec_delay(count);
- gettimeofday(&end, 0);
- timeusec = 1000000 * (end.tv_sec - start.tv_sec) +
- (end.tv_usec - start.tv_usec);
- count *= 2;
- if (timeusec < 1000000 / 4)
- continue;
- ok = 1;
- }
-
- // compute one microsecond. That will be count / time
- micro = count / timeusec;
-
- gettimeofday(&start, 0);
- myusec_delay(100);
- gettimeofday(&end, 0);
- timeusec = 1000000 * (end.tv_sec - start.tv_sec) +
- (end.tv_usec - start.tv_usec);
- printf_debug("%ldM loops per second, 100 myus = %ld us. ",
- (unsigned long)micro, timeusec);
- printf("OK.\n");
-}