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peppy: Add 2GB DRAM configuration. 

Currently, all Peppy boards w/ '000' SPD GPIOs have 2GB DRAM. Disable
the second DRAM channel based upon the GPIOs.

Need to change / confirm this for upcoming builds.

Change-Id: I7085ddecb80626cc0bed99ba7b174c6b80350696
Reviewed-on: https://gerrit.chromium.org/gerrit/58620
Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/4238
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Shawn Nematbakhsh 2013-06-13 19:47:47 -07:00 committed by Alexandru Gagniuc
parent d9e298961f
commit 9a6ca071e0
1 changed files with 6 additions and 0 deletions
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6
src/mainboard/google/peppy/romstage.c
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@ -92,6 +92,12 @@ static void copy_spd(struct pei_data *peid)
if (spd_file->len < sizeof(peid->spd_data[0]))
die("Missing SPD data.");
/* Index 0 is 2GB config with CH0 only. This is suject to change.
* TODO(shawnn): Check the decoding before next build.
*/
if (spd_index == 0)
peid->dimm_channel1_disabled = 3;
memcpy(peid->spd_data[0],
((char*)CBFS_SUBHEADER(spd_file)) +
spd_index * sizeof(peid->spd_data[0]),