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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 - 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.
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <arch/io.h>
#include <boot/tables.h>
#include <device/pci_def.h>
#include <NbPlatform.h>
#include "chip.h"
void set_pcie_dereset(void *nbconfig);
void set_pcie_reset(void *nbconfig);
/**
*
*/
void set_pcie_reset(void *nbconfig)
{
}
/**
* Mainboard specific RD890 CIMx callback
* Release Resets to PCIe Links
* For Both SR56X0 chips, PCIE_RESET_GPIO1 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 s8226 board.
*************************************************/
static void mainboard_enable(device_t dev)
{
printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
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