/* * This file is part of the coreboot project. * * Copyright (C) 2015 Intel Corp. * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.) * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <cpu/cpu.h> #include <console/console.h> #include <device/device.h> #include <fsp/util.h> #include <intelblocks/systemagent.h> #include <soc/iomap.h> #include <soc/systemagent.h> /* * SoC implementation * * Add all known fixed memory ranges for Host Controller/Memory * controller. */ void soc_add_fixed_mmio_resources(struct device *dev, int *index) { static const struct sa_mmio_descriptor soc_fixed_resources[] = { { PCIEXBAR, CONFIG_MMCONF_BASE_ADDRESS, CONFIG_SA_PCIEX_LENGTH, "PCIEXBAR" }, { MCHBAR, MCH_BASE_ADDRESS, MCH_BASE_SIZE, "MCHBAR" }, }; sa_add_fixed_mmio_resources(dev, index, soc_fixed_resources, ARRAY_SIZE(soc_fixed_resources)); } int soc_get_uncore_prmmr_base_and_mask(uint64_t *prmrr_base, uint64_t *prmrr_mask) { const void *hob; size_t hob_size, prmrr_size; uint64_t phys_address_mask; const uint8_t prmrr_phys_base_guid[16] = { 0x38, 0x3a, 0x81, 0x9f, 0xb0, 0x6f, 0xa7, 0x4f, 0xaf, 0x79, 0x8a, 0x4e, 0x74, 0xdd, 0x48, 0x33 }; const uint8_t prmrr_size_guid[16] = { 0x44, 0xed, 0x0b, 0x99, 0x4e, 0x9b, 0x26, 0x42, 0xa5, 0x97, 0x28, 0x36, 0x76, 0x6b, 0x5c, 0x41 }; hob = fsp_find_extension_hob_by_guid(prmrr_phys_base_guid, &hob_size); if (!hob) { printk(BIOS_ERR, "Failed to locate PRMRR base hob\n"); return -1; } if (hob_size != sizeof(uint64_t)) { printk(BIOS_ERR, "Incorrect PRMRR base hob size\n"); return -1; } *prmrr_base = *(uint64_t *) hob; hob = fsp_find_extension_hob_by_guid(prmrr_size_guid, &hob_size); if (!hob) { printk(BIOS_ERR, "Failed to locate PRMRR size hob\n"); return -1; } if (hob_size != sizeof(uint64_t)) { printk(BIOS_ERR, "Incorrect PRMRR base hob size\n"); return -1; } prmrr_size = *(uint64_t *) hob; phys_address_mask = (1ULL << cpu_phys_address_size()) - 1; *prmrr_mask = phys_address_mask & ~(uint64_t)(prmrr_size - 1); return 0; }