| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <baseboard/variants.h> |
| #include <chip.h> |
| #include <device/device.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| |
| /* 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_DEVICE_ID_INTEL_KBL_GT2_SULXM) |
| return PL2_KBL; |
| |
| return PL2_AML; |
| } |
| |
| /* Override dev tree settings per board */ |
| void variant_devtree_update(void) |
| { |
| config_t *cfg = config_of_soc(); |
| |
| /* Update PL2 based on CPU */ |
| cfg->tdp_pl2_override = get_pl2(); |
| } |