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>
After stress test, I found some of kzm9g board occures memory failure.
This patch adust SDRAM setting.
- Enlarge drivability on both SDRAM controller and SDRAM itself
- Raise core voltage
Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Acked-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Do soft power on reset in U-Boot reset command.
Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Problem:
Linux kernel hangs up when it write a file to NFS mounted directory.
Solution:
Modify bus controller setting for CS4, which connected smsc9221 ethernet
controller.
Detail:
Modify CS4BCR bit[29:28] (IWW[1:0]) from 00 to 01.
Modify CS4BCR bit[20:19] (IWRRD[1:0]) from 00 to 01.
Modify CS4BCR bit[17:16] (IWRRS[1:0]) from 00 to 01.
Modify CS4WCR bit[27:26] (WSW[1:0]) from 10 to 11
Modify CS4WCR bit[25:24] (WHW[1:0]) from 01 to 10
Modify CS4WCR bit[18:16] (WW[2:0]) from 101 to 111
Modify CS4WCR bit[13:11] (SW[2:0]) from 010 to 011
Modify CS4WCR bit[10:7] (WR[3:0]) from 1000 to 1011
Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
The KZM-A9-GT board has Renesas R-Mobile SH73A0, 512MB DDR2-SDRAM,
USB, Ethernet, and more.
This patch supports the following functions:
- 512MB DDR2-SDRAM
- 16MB NOR Flash memory
- Serial console (SCIF)
- Ethernet (SMSC)
- I2C
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
