79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
|
/*
|
||
|
|
* This file is part of the coreboot project.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007-2009 coresystems GmbH
|
||
|
|
* Copyright (C) 2014 Google Inc.
|
||
|
|
* Copyright (C) 2015 Intel Corporation.
|
||
|
|
*
|
||
|
|
* 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 <cbmem.h>
|
||
|
|
#include <console/console.h>
|
||
|
|
#include <device/pci.h>
|
||
|
|
#include <device/pci_ids.h>
|
||
|
|
#include <soc/iomap.h>
|
||
|
|
#include <soc/ramstage.h>
|
||
|
|
|
||
|
|
#define RES_IN_KIB(r) ((r) >> 10)
|
||
|
|
|
||
|
|
static void nc_read_resources(device_t dev)
|
||
|
|
{
|
||
|
|
unsigned long base_k;
|
||
|
|
int index = 0;
|
||
|
|
unsigned long size_k;
|
||
|
|
|
||
|
|
/* Read standard PCI resources. */
|
||
|
|
pci_dev_read_resources(dev);
|
||
|
|
|
||
|
|
/* 0 -> 0xa0000 */
|
||
|
|
base_k = 0;
|
||
|
|
size_k = 0xa0000 - base_k;
|
||
|
|
ram_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Reserve everything between A segment and 1MB:
|
||
|
|
*
|
||
|
|
* 0xa0000 - 0xbffff: legacy VGA
|
||
|
|
* 0xc0000 - 0xdffff: RAM
|
||
|
|
* 0xe0000 - 0xfffff: ROM shadow
|
||
|
|
*/
|
||
|
|
base_k += size_k;
|
||
|
|
size_k = 0xc0000 - base_k;
|
||
|
|
mmio_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
|
||
|
|
|
||
|
|
base_k += size_k;
|
||
|
|
size_k = 0x100000 - base_k;
|
||
|
|
reserved_ram_resource(dev, index++, RES_IN_KIB(base_k),
|
||
|
|
RES_IN_KIB(size_k));
|
||
|
|
|
||
|
|
/* 0x100000 -> cbmem_top - cacheable and usable */
|
||
|
|
base_k += size_k;
|
||
|
|
size_k = (unsigned long)cbmem_top() - base_k;
|
||
|
|
ram_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
|
||
|
|
|
||
|
|
/* cbmem_top -> 4GiB is mmio. */
|
||
|
|
base_k += size_k;
|
||
|
|
size_k = 0x100000000ull - base_k;
|
||
|
|
mmio_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct device_operations nc_ops = {
|
||
|
|
.read_resources = &nc_read_resources,
|
||
|
|
.set_resources = &pci_dev_set_resources,
|
||
|
|
.enable_resources = &pci_dev_enable_resources,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct pci_driver systemagent_driver __pci_driver = {
|
||
|
|
.ops = &nc_ops,
|
||
|
|
.vendor = PCI_VENDOR_ID_INTEL,
|
||
|
|
.device = QUARK_MC_DEVICE_ID
|
||
|
|
};
|