From 1da9e595ec1a7dbcd6a21cc8b52cf3f5fa166294 Mon Sep 17 00:00:00 2001
From: Thomas Schmid <thomas.schmid@gmail.com>
Date: Sat, 23 Mar 2013 13:13:46 -0600
Subject: [PATCH] at91sam3: Wrong PLLA frequency calculations
The command 'at91sam3 info' ignores PLLA DIV values >1. This patch fixes it.
Tested on a SAM3S4C chip.
Change-Id: I051f41bb3dcefe1ac785fbcb48477a807daa16a2
Signed-off-by: Thomas Schmid <thomas.schmid@gmail.com>
Reviewed-on: http://openocd.zylin.com/1307
Tested-by: jenkins
Reviewed-by: Peter Stuge <peter@stuge.se>
---
src/flash/nor/at91sam3.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/flash/nor/at91sam3.c b/src/flash/nor/at91sam3.c
index be3afb2fd..d6dedae32 100644
--- a/src/flash/nor/at91sam3.c
+++ b/src/flash/nor/at91sam3.c
@@ -2399,8 +2399,8 @@ static void sam3_explain_ckgr_plla(struct sam3_chip *pChip)
LOG_USER("\tPLLA Freq: (Disabled,mula = 0)");
else if (diva == 0)
LOG_USER("\tPLLA Freq: (Disabled,diva = 0)");
- else if (diva == 1) {
- pChip->cfg.plla_freq = (pChip->cfg.mainosc_freq * (mula + 1));
+ else if (diva >= 1) {
+ pChip->cfg.plla_freq = (pChip->cfg.mainosc_freq * (mula + 1) / diva);
LOG_USER("\tPLLA Freq: %3.03f MHz",
_tomhz(pChip->cfg.plla_freq));
}
--
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