On 03/26/2014 05:40 PM, Jens Kuske wrote:
Cubietruck has four 4Gb x8 DDR3 chips, not two 8Gb x16. This doesn't
change anything for users, but reports correct values for timing
parameters depending on density.

Your math is logical and it makes sense.

The why is quickly answered, either it was outputed by a10-meminfo that way, or I didn't pay close enough attention when I committed it.

For now, it is speculated, that the drive strength may changed based on the the io_width. less io_width is more chips or something.

But from your other commit message, while it all makes perfect sense you understand this all much better then me :)

Olliver

Signed-off-by: Jens Kuske <jensku...@gmail.com>
---
  board/sunxi/dram_cubietruck.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/board/sunxi/dram_cubietruck.c b/board/sunxi/dram_cubietruck.c
index 1e7c94a..fbcd687 100644
--- a/board/sunxi/dram_cubietruck.c
+++ b/board/sunxi/dram_cubietruck.c
@@ -7,8 +7,8 @@ static struct dram_para dram_para = {
        .clock = 432,
        .type = 3,
        .rank_num = 1,
-       .density = 8192,
-       .io_width = 16,
+       .density = 4096,
+       .io_width = 8,
        .bus_width = 32,
        .cas = 9,
        .zq = 0x7f,


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