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soc/intel/meteorlake: Add PsysPmax configuration

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psys_pmax_watts is configured in SoC node of devicetree.
Value represents Watts the PSU provides.
Zero means automatic/default configuration (not optimal).

BUG=b:289853442
TEST=Build google/rex/ovis4es target board

Change-Id: I69afa06110254f6384352c062891c0c9c0b23070
Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76796
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Jakub Czapiga
2023-07-28 14:28:50 +00:00
committed by Felix Held
parent 731e28a938
commit bfadc78bd7
2 changed files with 8 additions and 0 deletions
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3
src/soc/intel/meteorlake/chip.h
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@@ -448,6 +448,9 @@ struct soc_intel_meteorlake_config {
* Set this to 1 in order to reduce BasicMemoryTest size
*/
bool lower_basic_mem_test_size;
/* Platform Power Pmax in Watts. Zero means automatic. */
uint16_t psys_pmax_watts;
};
typedef struct soc_intel_meteorlake_config config_t;

5
src/soc/intel/meteorlake/romstage/fsp_params.c
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@@ -257,6 +257,11 @@ static void fill_fspm_misc_params(FSP_M_CONFIG *m_cfg,
m_cfg->SkipMbpHob = !CONFIG(FSP_PUBLISH_MBP_HOB);
m_cfg->SkipExtGfxScan = config->skip_ext_gfx_scan;
/* Set PsysPmax if it is available in DT.
PsysPmax is in unit of 1/8 Watt */
if (config->psys_pmax_watts)
m_cfg->PsysPmax = config->psys_pmax_watts * 8;
}
static void fill_fspm_audio_params(FSP_M_CONFIG *m_cfg,