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| author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2020-07-08 08:18:16 -0600 |
|---|---|---|
| committer | Marshall Dawson <marshalldawson3rd@gmail.com> | 2020-07-28 20:21:07 +0000 |
| commit | 8079c5c1c2b76ebd01cfcddcef4b5398ee860403 (patch) | |
| tree | e469d48be2612eb1f0a25596aae94db571ce81bf /src | |
| parent | 553a22e316e00d81e0a70afe3272c7b33a0bc571 (diff) | |
| download | coreboot-8079c5c1c2b76ebd01cfcddcef4b5398ee860403.tar.xz | |
soc/amd/picasso: Add controls for SMT and downcoring
BUG=b:159198385
TEST=confirm both using Mandolin
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Change-Id: I91654817608ab62e4104959b8876333911b90175
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43299
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/picasso/chip.h | 8 | ||||
| -rw-r--r-- | src/soc/amd/picasso/romstage.c | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/chip.h b/src/soc/amd/picasso/chip.h index 62272c0927..b641379605 100644 --- a/src/soc/amd/picasso/chip.h +++ b/src/soc/amd/picasso/chip.h @@ -93,6 +93,14 @@ struct soc_amd_picasso_config { /* PROCHOT_L de-assertion Ramp Time */ uint32_t prochot_l_deassertion_ramp_time; + enum { + DOWNCORE_AUTO = 0, + DOWNCORE_1 = 1, /* Run with single core */ + DOWNCORE_2 = 3, /* Run with two cores */ + DOWNCORE_3 = 4, /* Run with three cores */ + } downcore_mode; + uint8_t smt_disable; /* 1=disable SMT, 0=enable SMT */ + /* Lower die temperature limit */ uint32_t thermctl_limit; diff --git a/src/soc/amd/picasso/romstage.c b/src/soc/amd/picasso/romstage.c index 372c6b5b18..e7b4b3de99 100644 --- a/src/soc/amd/picasso/romstage.c +++ b/src/soc/amd/picasso/romstage.c @@ -43,6 +43,9 @@ void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version) mcfg->stapm_time_constant = config->stapm_time_constant; } + mcfg->ccx_down_core_mode = config->downcore_mode; + mcfg->ccx_disable_smt = config->smt_disable; + mcfg->sustained_power_limit = config->sustained_power_limit; mcfg->prochot_l_deassertion_ramp_time = config->prochot_l_deassertion_ramp_time; mcfg->thermctl_limit = config->thermctl_limit; |