diff options
Diffstat (limited to 'src/soc/intel/icelake/systemagent.c')
-rw-r--r-- | src/soc/intel/icelake/systemagent.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/soc/intel/icelake/systemagent.c b/src/soc/intel/icelake/systemagent.c new file mode 100644 index 0000000000..7903667e9e --- /dev/null +++ b/src/soc/intel/icelake/systemagent.c @@ -0,0 +1,68 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 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; version 2 of the License. + * + * 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 <console/console.h> +#include <device/device.h> +#include <device/pci.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" }, + { DMIBAR, DMI_BASE_ADDRESS, DMI_BASE_SIZE, "DMIBAR" }, + { EPBAR, EP_BASE_ADDRESS, EP_BASE_SIZE, "EPBAR" }, + { REGBAR, REG_BASE_ADDRESS, REG_BASE_SIZE, "REGBAR" }, + { EDRAMBAR, EDRAM_BASE_ADDRESS, EDRAM_BASE_SIZE, "EDRAMBAR" }, + /* + * PMC pci device gets hidden from PCI bus due to Silicon + * policy hence binding PMCBAR aka PWRMBASE (offset 0x10) with + * SA resources to ensure that PMCBAR falls under PCI reserved + * memory range. + * + * Note: Don't add any more resource with same offset 0x10 + * under this device space. + */ + { PCI_BASE_ADDRESS_0, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE, + "PMCBAR" }, + }; + + sa_add_fixed_mmio_resources(dev, index, soc_fixed_resources, + ARRAY_SIZE(soc_fixed_resources)); +} + +/* + * SoC implementation + * + * Perform System Agent Initialization during Ramstage phase. + */ +void soc_systemagent_init(struct device *dev) +{ + /* Enable Power Aware Interrupt Routing */ + enable_power_aware_intr(); + + /* Enable BIOS Reset CPL */ + enable_bios_reset_cpl(); +} |