/* SPDX-License-Identifier: GPL-2.0-only */ | |
#include <amdblocks/amd_pci_mmconf.h> | |
#include <cpu/amd/msr.h> | |
#include <cpu/x86/msr.h> | |
#include <cpu/x86/mtrr.h> | |
void enable_pci_mmconf(void) | |
{ | |
msr_t mmconf; | |
mmconf.hi = 0; | |
mmconf.lo = CONFIG_MMCONF_BASE_ADDRESS | MMIO_RANGE_EN | |
| fms(CONFIG_MMCONF_BUS_NUMBER) << MMIO_BUS_RANGE_SHIFT; | |
wrmsr(MMIO_CONF_BASE, mmconf); | |
} |