diff options
| author | Tim Chu <Tim.Chu@quantatw.com> | 2021-03-31 02:14:41 -0700 |
|---|---|---|
| committer | Werner Zeh <werner.zeh@siemens.com> | 2021-06-09 04:02:18 +0000 |
| commit | 96088bf08913b80a2293c9ab184bb1b6ac8143ac (patch) | |
| tree | 4188ec117ef7209141d15b49d56be05c62eb932e /src/mainboard/ocp | |
| parent | 736c94f3618468d56f763398295e7a2bc90170b8 (diff) | |
mb/ocp/deltalake: Add VPD option to force memory training
Add function to force memory training and add VPD variable to operate
this function.
Tested=On OCP Delta Lake, memory training can be forced via VPD.
Signed-off-by: Tim Chu <Tim.Chu@quantatw.com>
Change-Id: I53a923b51b36f9f5db491ef142109f58f9a4611d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51972
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
Diffstat (limited to 'src/mainboard/ocp')
| -rw-r--r-- | src/mainboard/ocp/deltalake/romstage.c | 10 | ||||
| -rw-r--r-- | src/mainboard/ocp/deltalake/vpd.h | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/src/mainboard/ocp/deltalake/romstage.c b/src/mainboard/ocp/deltalake/romstage.c index 9227508771..75e9ec9e2f 100644 --- a/src/mainboard/ocp/deltalake/romstage.c +++ b/src/mainboard/ocp/deltalake/romstage.c @@ -183,6 +183,8 @@ static void mainboard_config_iio(FSPM_UPD *mupd) void mainboard_memory_init_params(FSPM_UPD *mupd) { + uint8_t val; + /* Since it's the first IPMI command, it's better to run get BMC selftest result first */ if (ipmi_kcs_premem_init(CONFIG_BMC_KCS_BASE, 0) == CB_SUCCESS) { @@ -190,6 +192,14 @@ void mainboard_memory_init_params(FSPM_UPD *mupd) init_frb2_wdt(); } + /* Enable force memory training */ + if (vpd_get_bool(MEM_TRAIN_FORCE, VPD_RW_THEN_RO, &val)) { + if (mupd->FspmArchUpd.NvsBufferPtr && val) { + mupd->FspmArchUpd.NvsBufferPtr = 0; + printk(BIOS_DEBUG, "Force Memory Training...Start\n"); + } + } + mainboard_config_gpios(mupd); mainboard_config_iio(mupd); mainboard_config_upd(mupd); diff --git a/src/mainboard/ocp/deltalake/vpd.h b/src/mainboard/ocp/deltalake/vpd.h index e50f5701be..fb33ef26f5 100644 --- a/src/mainboard/ocp/deltalake/vpd.h +++ b/src/mainboard/ocp/deltalake/vpd.h @@ -50,4 +50,7 @@ #define SKIP_INTEL_TXT_LOCKDOWN "skip_intel_txt_lockdown" #define SKIP_INTEL_TXT_LOCKDOWN_DEFAULT 0 +/* Force memory training: 0 = Disable, 1 = Enable, Default setting is 0 */ +#define MEM_TRAIN_FORCE "mem_train_force_enable" + #endif |