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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 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 <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include <device/pci_def.h>
//#include <southbridge/amd/sb800/sb800.h>
#include "SBPLATFORM.h" /* Platfrom Specific Definitions */
void set_pcie_reset(void);
void set_pcie_dereset(void);
/**
* TODO
* SB CIMx callback
*/
void set_pcie_reset(void)
{
}
/**
* mainboard specific SB CIMx callback
*/
void set_pcie_dereset(void)
{
/**
* GPIO32 Pcie Device DeAssert for APU
* GPIO25 Pcie LAN, APU GPP2
* GPIO02 MINIPCIE SLOT1, APU GPP3
* GPIO50 Pcie Device DeAssert for Hudson Southbridge
* GPIO05 Express Card, SB GPP0
* GPIO26 NEC USB3.0GPPUSB, SB GPP1
* GPIO00 MINIPCIE SLOT2, SB GPP2
* GPIO05 Pcie X1 Slot, SB GPP3
*/
/* Multi-function pins switch to GPIO0-35, these pins are shared with
* PCI pins, make sure Husson PCI device is disabled.
*/
RWMEM(ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGEA, AccWidthUint8, ~BIT0, 1);
/* select IOMux to function1/2, corresponds to GPIO */
RWMEM(ACPI_MMIO_BASE + IOMUX_BASE + SB_GPIO_REG32, AccWidthUint8, ~(BIT0 | BIT1), 1);
RWMEM(ACPI_MMIO_BASE + IOMUX_BASE + SB_GPIO_REG50, AccWidthUint8, ~(BIT0 | BIT1), 2);
/* output low */
RWMEM(ACPI_MMIO_BASE + GPIO_BASE + SB_GPIO_REG32, AccWidthUint8, ~(0xFF), 0x48);
RWMEM(ACPI_MMIO_BASE + GPIO_BASE + SB_GPIO_REG50, AccWidthUint8, ~(0xFF), 0x48);
}
/*************************************************
* enable the dedicated function in INAGUA board.
*************************************************/
static void mainboard_enable(device_t dev)
{
printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
/* Inagua mainboard specific setting */
set_pcie_dereset();
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
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