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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 Advanced Micro Devices, Inc.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <arch/io.h>
#include <boot/tables.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include <device/pci_def.h>
#include <NbPlatform.h>
//#define SMBUS_IO_BASE 0x6000
void set_pcie_reset(void *nbconfig);
void set_pcie_dereset(void *nbconfig);
/**
* TODO
* SB CIMx callback
*/
void set_pcie_reset(void *nbconfig)
{
}
/**
* Mainboard specific RD890 CIMx callback
* Release Resets to PCIe Links
* SR5690 PCIE_RESET_GPIO1,2,3,4 to reset pcie
*/
void set_pcie_dereset(void *nbconfig)
{
//u32 nb_dev = MAKE_SBDFO(0, 0x0, 0x0, 0x0, 0x0);
u32 i;
u32 val;
u32 nb_addr;
val = 0x00000007UL;
AMD_NB_CONFIG_BLOCK *pConfig = (AMD_NB_CONFIG_BLOCK*)nbconfig;
for (i = 0; i < MAX_NB_COUNT; i ++) {
nb_addr = pConfig->Northbridges[i].NbPciAddress.AddressValue | NB_HTIU_INDEX;
LibNbPciIndexRMW(nb_addr,
NB_HTIU_REGA8,
AccessS3SaveWidth32,
~val,
val,
&(pConfig->Northbridges[i]));
}
}
/*************************************************
* enable the dedicated function in dinar board.
*************************************************/
static void dinar_enable(device_t dev)
{
printk(BIOS_INFO, "Mainboard Dinar Enable. dev=0x%p\n", dev);
}
int add_mainboard_resources(struct lb_memory *mem)
{
return 0;
}
struct chip_operations mainboard_ops = {
CHIP_NAME("AMD DINAR Mainboard")
.enable_dev = dinar_enable,
};
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