/* BEGIN_ICS_COPYRIGHT6 ****************************************

Copyright (c) 2015, Intel Corporation

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** END_ICS_COPYRIGHT6   ****************************************/

#include "ipci.h"

uint64 PciGetMemoryPciPhysAddr(IN PCI_DEVICE *pDev, IN uint8 barNumber)
{
	uint32 addr_l;
	uint32 addr_h = 0;

	if (! PciReadConfig(pDev, 
			offsetof(IBA_PCI_COMMON_CONFIG,u.type0.BaseAddresses[barNumber]),
			4, &addr_l))
	{
		return 0;
	}
	if ((addr_l & IBA_PCI_BAR_CNTL_TYPE_MASK) == IBA_PCI_BAR_CNTL_TYPE_64BIT)
	{
		// 64 bit BAR, get high bits
		if (! PciReadConfig(pDev, 
				offsetof(IBA_PCI_COMMON_CONFIG,u.type0.BaseAddresses[barNumber+1]),
				4, &addr_h))
		{
			return 0;
		}
	}
	return (addr_l & ~IBA_PCI_BAR_CNTL_MASK) | ((uint64)addr_h << 32);
}
