X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib%2Ftime.c;h=9c55da6f1b3914adde3bf67107896a962bc29d44;hb=399a39e34af00e7342406405dc0300da0557277b;hp=3c49243e6a1ee0f3c7f95d73e9b081581e44be36;hpb=f253f2933b7373556329c0174dd5b101039a4056;p=oweals%2Fu-boot.git

diff --git a/lib/time.c b/lib/time.c
index 3c49243e6a..9c55da6f1b 100644
--- a/lib/time.c
+++ b/lib/time.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2000-2009
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -36,11 +35,28 @@ unsigned long notrace timer_read_counter(void)
 	return readl(CONFIG_SYS_TIMER_COUNTER);
 #endif
 }
+
+ulong timer_get_boot_us(void)
+{
+	ulong count = timer_read_counter();
+
+#if CONFIG_SYS_TIMER_RATE == 1000000
+	return count;
+#elif CONFIG_SYS_TIMER_RATE > 1000000
+	return lldiv(count, CONFIG_SYS_TIMER_RATE / 1000000);
+#elif defined(CONFIG_SYS_TIMER_RATE)
+	return (unsigned long long)count * 1000000 / CONFIG_SYS_TIMER_RATE;
+#else
+	/* Assume the counter is in microseconds */
+	return count;
+#endif
+}
+
 #else
 extern unsigned long __weak timer_read_counter(void);
 #endif
 
-#ifdef CONFIG_TIMER
+#if CONFIG_IS_ENABLED(TIMER)
 ulong notrace get_tbclk(void)
 {
 	if (!gd->timer) {