diff options
Diffstat (limited to 'src/soc/intel/sch/acpi.c')
-rw-r--r-- | src/soc/intel/sch/acpi.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/src/soc/intel/sch/acpi.c b/src/soc/intel/sch/acpi.c deleted file mode 100644 index 2c941d868e..0000000000 --- a/src/soc/intel/sch/acpi.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * - * 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 <string.h> -#include <console/console.h> -#include <arch/acpi.h> -#include <arch/acpigen.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <cbmem.h> -#include <arch/acpigen.h> -#include <cpu/cpu.h> -#include "sch.h" - -unsigned long acpi_fill_mcfg(unsigned long current) -{ - device_t dev; - u32 pciexbar = 0; - u32 pciexbar_reg; - int max_buses; - - dev = dev_find_device(0x8086, 0x27a0, 0); - if (!dev) - return current; - - pciexbar_reg = pci_read_config32(dev, 0x48); - - /* 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; -} |