arm: rmobile: kzm9g: Adjust ETM trace clock

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@kmckk.co.jp>
Acked-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>

diff --git a/board/kmc/kzm9g/kzm9g.c b/board/kmc/kzm9g/kzm9g.c
index 1aeb5fe0b7d4e4bf7ab71ff853337f063740227d..0d895c2b421bfbac20c847f17afe5801570d592b 100644 (file)
--- 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);