On 10/11/2018 09:09 AM, Ludwig Zenz wrote:
Hello Marek,
Hello Ludwig,
From: Ludwig Zenz lzenz@dh-electronics.de
Support 1GIB + 2GIB DDR3 with 64bit bus width and 512MIB + 1GIB with 32bit bus width
Signed-off-by: Ludwig Zenz lzenz@dh-electronics.de
board/dhelectronics/dh_imx6/dh_imx6_spl.c | 191 +++++++++++++++++++++++++++--- 1 file changed, 173 insertions(+), 18 deletions(-)
diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
[...]
This patch causes memory instability on 1GiB MX6Q part.
Can you check that and fix it ? Thanks.
Can you tell me more about the error? How do you test this? Did you run a git bisect?
We did tests in a climate chamber with this configuration (with the MX6Q and all others).
I think there is only one change that could make a difference:
static const struct mx6_ddr3_cfg dhcom_mem_ddr_2g = { ...
.trcd = 1312,
.trcd = 1375,....
In this particular case, the board exhibited random instability. Try running memtester in linux for a few days, maybe some board that you have will start exhibiting this too.