diff options
| -rw-r--r-- | src/mainboard/google/rex/variants/deku/Makefile.mk | 1 | ||||
| -rw-r--r-- | src/mainboard/google/rex/variants/deku/overridetree.cb | 1 | ||||
| -rw-r--r-- | src/mainboard/google/rex/variants/deku/ramstage.c | 50 |
3 files changed, 52 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/deku/Makefile.mk b/src/mainboard/google/rex/variants/deku/Makefile.mk index 91f031e7a4..090dd5be73 100644 --- a/src/mainboard/google/rex/variants/deku/Makefile.mk +++ b/src/mainboard/google/rex/variants/deku/Makefile.mk @@ -3,3 +3,4 @@ bootblock-y += gpio.c romstage-y += gpio.c ramstage-y += gpio.c +ramstage-y += ramstage.c diff --git a/src/mainboard/google/rex/variants/deku/overridetree.cb b/src/mainboard/google/rex/variants/deku/overridetree.cb index 496af459e3..fcacbead86 100644 --- a/src/mainboard/google/rex/variants/deku/overridetree.cb +++ b/src/mainboard/google/rex/variants/deku/overridetree.cb @@ -64,6 +64,7 @@ chip soc/intel/meteorlake }" register "psys_pmax_watts" = "180" + register "psys_pl2_watts" = "178" # As per doc 640982, Intel MTL-U 28W CPU supports FVM on GT and SA # The ICC Limit is represented in 1/4 A increments, i.e., a value of 400 = 100A diff --git a/src/mainboard/google/rex/variants/deku/ramstage.c b/src/mainboard/google/rex/variants/deku/ramstage.c new file mode 100644 index 0000000000..7cb324dd67 --- /dev/null +++ b/src/mainboard/google/rex/variants/deku/ramstage.c @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <baseboard/variants.h> +#include <chip.h> +#include <intelblocks/power_limit.h> + +/* + * SKU_ID, TDP (Watts), pl1_min (milliWatts), pl1_max (milliWatts), + * pl2_min (milliWatts), pl2_max (milliWatts), pl4 (milliWatts) + * Following values are for performance config as per document #640982 + */ +const struct cpu_tdp_power_limits variant_limits[] = { + { + .mch_id = PCI_DID_INTEL_MTL_P_ID_1, + .cpu_tdp = 28, + .pl1_min_power = 19000, + .pl1_max_power = 28000, + .pl2_min_power = 64000, + .pl2_max_power = 64000, + .pl4_power = 120000 + }, + { + .mch_id = PCI_DID_INTEL_MTL_P_ID_3, + .cpu_tdp = 28, + .pl1_min_power = 19000, + .pl1_max_power = 28000, + .pl2_min_power = 64000, + .pl2_max_power = 64000, + .pl4_power = 120000 + }, +}; + +void variant_devtree_update(void) +{ + struct soc_power_limits_config *soc_config; + struct soc_intel_meteorlake_config *config = config_of_soc(); + + soc_config = variant_get_soc_power_limit_config(); + if (soc_config == NULL) + return; + + if (config->psys_pl2_watts) { + soc_config->tdp_psyspl2 = config->psys_pl2_watts; + printk(BIOS_INFO, "Overriding PsysPL2 (%u)\n", soc_config->tdp_psyspl2); + } + + const struct cpu_tdp_power_limits *limits = variant_limits; + size_t total_entries = ARRAY_SIZE(variant_limits); + variant_update_cpu_power_limits(limits, total_entries); +} |