[U-Boot] [PATCH 2/2] arm: rmobile: kzm9g: Adjust ETM trace clock
Tetsuyuki Kobayashi
koba at kmckk.co.jp
Wed Nov 21 03:29:17 CET 2012
Set ETM TRCLK down to 78MHz to get clear wave form.
This patch makes difference only when you use ETM trace connecting JTAG debugger.
Signed-off-by: Tetsuyuki Kobayashi <koba at kmckk.co.jp>
---
board/kmc/kzm9g/kzm9g.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/board/kmc/kzm9g/kzm9g.c b/board/kmc/kzm9g/kzm9g.c
index 1aeb5fe..0d895c2 100644
--- a/board/kmc/kzm9g/kzm9g.c
+++ b/board/kmc/kzm9g/kzm9g.c
@@ -195,7 +195,7 @@ void s_init(void)
/* FRQCR Init */
writel(0x0012453C, &cpg->frqcra);
- writel(0x80331350, &cpg->frqcrb);
+ writel(0x80431350, &cpg->frqcrb); /* ETM TRCLK 78MHz */
cmp_loop(&cpg->frqcrb, 0x80000000, 0x0);
writel(0x00000B0B, &cpg->frqcrd);
cmp_loop(&cpg->frqcrd, 0x80000000, 0x0);
--
1.7.9.5
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