X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=inline;f=drivers%2Fbootcount%2Fbootcount_davinci.c;h=17829beaa237194d474906989cbb4017dac0f88d;hb=5bd1facf5ffc55fb46da9016341c5f8955233760;hp=f0acfad8056c13fbd765e7003b90f859914902b3;hpb=22ee39750431c0695497ffab412bb29564c68a80;p=u-boot

diff --git a/drivers/bootcount/bootcount_davinci.c b/drivers/bootcount/bootcount_davinci.c
index f0acfad805..17829beaa2 100644
--- a/drivers/bootcount/bootcount_davinci.c
+++ b/drivers/bootcount/bootcount_davinci.c
@@ -2,6 +2,10 @@
  * (C) Copyright 2011
  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  *
+ * A bootcount driver for the RTC IP block found on many TI platforms.
+ * This requires the RTC clocks, etc, to be enabled prior to use and
+ * not all boards with this IP block on it will have the RTC in use.
+ *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
@@ -14,9 +18,9 @@ void bootcount_store(ulong a)
 		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
 
 	/*
-	 * write RTC kick register to enable write
-	 * for RTC Scratch registers. Scratch0 and 1 are
-	 * used for bootcount values.
+	 * write RTC kick registers to enable write
+	 * for RTC Scratch registers. Scratch register 2 is
+	 * used for bootcount value.
 	 */
 	writel(RTC_KICK0R_WE, &reg->kick0r);
 	writel(RTC_KICK1R_WE, &reg->kick1r);