/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include /* PL2 limit in watts for AML and KBL */ #define PL2_AML 18 #define PL2_KBL 15 static uint32_t get_pl2(void) { struct device *igd_dev = pcidev_path_on_root(SA_DEVFN_IGD); uint16_t id; id = pci_read_config16(igd_dev, PCI_DEVICE_ID); /* Assume we only have KLB-Y and AML-Y SKUs */ if (id == PCI_DID_INTEL_KBL_GT2_SULXM) return PL2_KBL; return PL2_AML; } /* Override dev tree settings per board */ void variant_devtree_update(void) { struct soc_power_limits_config *soc_conf; config_t *cfg = config_of_soc(); soc_conf = &cfg->power_limits_config; /* Update PL2 based on CPU */ soc_conf->tdp_pl2_override = get_pl2(); }