diff options
Diffstat (limited to 'src/northbridge/intel/fsp_sandybridge/acpi.c')
-rw-r--r-- | src/northbridge/intel/fsp_sandybridge/acpi.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/northbridge/intel/fsp_sandybridge/acpi.c b/src/northbridge/intel/fsp_sandybridge/acpi.c deleted file mode 100644 index 842277117f..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/acpi.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * Copyright (C) 2012 The Chromium OS Authors - * - * 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 <types.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include "northbridge.h" - -unsigned long acpi_fill_mcfg(unsigned long current) -{ - struct device *dev; - u32 pciexbar = 0; - u32 pciexbar_reg; - int max_buses; - - dev = dev_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_SB, 0); - if (!dev) - dev = dev_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_IB, 0); - if (!dev) - return current; - - pciexbar_reg = pci_read_config32(dev, PCIEXBAR); - - // MMCFG not supported or not enabled. - if (!(pciexbar_reg & (1 << 0))) - return current; - - switch ((pciexbar_reg >> 1) & 3) { - case 0: // 256MB - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)); - max_buses = 256; - break; - case 1: // 128M - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)); - max_buses = 128; - break; - case 2: // 64M - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)); - max_buses = 64; - break; - default: // RSVD - return current; - } - - if (!pciexbar) - return current; - - current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current, - pciexbar, 0x0, 0x0, max_buses - 1); - - return current; -} |