diff options
| author | Jamie Chen <jamie.chen@intel.com> | 2021-08-04 22:17:56 +0800 |
|---|---|---|
| committer | Nick Vaccaro <nvaccaro@google.com> | 2021-08-12 18:01:42 +0000 |
| commit | d5d25558bcf8c1e11c44526e6ac990384cfc0eb8 (patch) | |
| tree | e34e8d3afdfc7b5788673db22482e3e4292cc044 /src/soc/intel/apollolake | |
| parent | adda399234603c38b983331a8deeebc070fb82aa (diff) | |
soc/intel/apollolake: add 4Gb and 6Gb dram density
This patch adds 4gb and 6gb dram density support to APL and GLK.
BUG=b:178665760
BRANCH=NONE
TEST=build fw and flash to the dut, the dut can boot up successfully.
Change-Id: Ic0d5d14f26a30da7a9caf4ef43d7fac88a4d2bf1
Signed-off-by: Jamie Chen <jamie.chen@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55153
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/apollolake')
| -rw-r--r-- | src/soc/intel/apollolake/include/soc/meminit.h | 2 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/meminit.c | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/include/soc/meminit.h b/src/soc/intel/apollolake/include/soc/meminit.h index b08427026f..06da347078 100644 --- a/src/soc/intel/apollolake/include/soc/meminit.h +++ b/src/soc/intel/apollolake/include/soc/meminit.h @@ -51,6 +51,8 @@ enum { /* LPDDR4 module density in bits. */ enum { + LP4_4Gb_DENSITY = 4, + LP4_6Gb_DENSITY = 6, LP4_8Gb_DENSITY = 8, LP4_12Gb_DENSITY = 12, LP4_16Gb_DENSITY = 16, diff --git a/src/soc/intel/apollolake/meminit.c b/src/soc/intel/apollolake/meminit.c index d744ac6a87..0a8a26d478 100644 --- a/src/soc/intel/apollolake/meminit.c +++ b/src/soc/intel/apollolake/meminit.c @@ -278,6 +278,12 @@ void meminit_lpddr4_enable_channel(FSP_M_CONFIG *cfg, int logical_chan, int fsp_rank_density; switch (rank_density_gb) { + case LP4_4Gb_DENSITY: + fsp_rank_density = 0; + break; + case LP4_6Gb_DENSITY: + fsp_rank_density = 1; + break; case LP4_8Gb_DENSITY: fsp_rank_density = 2; break; |