Re: [U-Boot] [PATCH 2/2] arm: rmobile: kzm9g: Adjust ETM trace clock

21 Nov 2012

On Wed, Nov 21, 2012 at 11:29 AM, Tetsuyuki Kobayashi koba@kmckk.co.jp wrote:
...
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
...

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

U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
-- 
Nobuhiro Iwamatsu

    