diff options
| author | pchandri <preetham.chandrian@intel.com> | 2015-09-14 14:11:38 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-10-27 15:15:30 +0100 |
| commit | e57e72681fa218bb747f658576c64111c20363e3 (patch) | |
| tree | 380bf4a6c7488c2c5f3b0818289d7e152c2a7e69 /src/mainboard/intel/kunimitsu/pei_data.c | |
| parent | b45dde0b78cbe646e12316408ac67cdc72ed9a9d (diff) | |
intel/kunimitsu Fab3: Strengthening Rcomp target CTRL value
This patch strengthens the Rcomp Target CTRL by 10% for
8GB memory part K4E6E304EE-EGCF as with the current values
the MRC training is failing due to more load on CS#
BRANCH=None
BUG=chrome-os-partner:44647
TEST=BUilds and boots on Kunimitsu.
Change-Id: I478002bbebabaac418356d4b5b4755bb56009268
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: b208659e690d8cb5b8dcaf30eed53c01b9f77f6d
Original-Change-Id: Ia0a0c1358649af77a3a0d301cb791f26f1e039bf
Original-Signed-off-by: pchandri <preetham.chandrian@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/304103
Original-Commit-Ready: Preetham Chandrian <preetham.chandrian@intel.com>
Original-Tested-by: Preetham Chandrian <preetham.chandrian@intel.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Preetham Chandrian <preetham.chandrian@intel.com>
Reviewed-on: http://review.coreboot.org/12143
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/mainboard/intel/kunimitsu/pei_data.c')
| -rw-r--r-- | src/mainboard/intel/kunimitsu/pei_data.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/mainboard/intel/kunimitsu/pei_data.c b/src/mainboard/intel/kunimitsu/pei_data.c index f7525daf2e..4bfc2f3bea 100644 --- a/src/mainboard/intel/kunimitsu/pei_data.c +++ b/src/mainboard/intel/kunimitsu/pei_data.c @@ -22,6 +22,11 @@ #include <string.h> #include <soc/pei_data.h> #include <soc/pei_wrapper.h> +#include "boardid.h" + +/* PCH_MEM_CFG[3:0] */ +#define MAX_MEMORY_CONFIG 0x10 +#define RCOMP_TARGET_PARAMS 0x5 void mainboard_fill_pei_data(struct pei_data *pei_data) { @@ -40,12 +45,19 @@ void mainboard_fill_pei_data(struct pei_data *pei_data) const u16 RcompResistor[3] = { 200, 81, 162 }; /* Rcomp target */ - const u16 RcompTarget[5] = { 100, 40, 40, 23, 40 }; + static const u16 RcompTarget[MAX_MEMORY_CONFIG][RCOMP_TARGET_PARAMS] = { + { 100, 40, 40, 23, 40 }, + { 100, 40, 40, 23, 40 }, + { 100, 40, 40, 23, 40 }, + /*Strengthen the Rcomp Target Ctrl for 8GB K4E6E304EE -EGCF*/ + { 100, 40, 40, 21, 40 }, }; + memcpy(pei_data->dq_map, dq_map, sizeof(dq_map)); memcpy(pei_data->dqs_map, dqs_map, sizeof(dqs_map)); memcpy(pei_data->RcompResistor, RcompResistor, sizeof(RcompResistor)); - memcpy(pei_data->RcompTarget, RcompTarget, - sizeof(RcompTarget)); + memcpy(pei_data->RcompTarget, &RcompTarget[pei_data->mem_cfg_id][0], + sizeof(RcompTarget[pei_data->mem_cfg_id])); + } |