/** @file
|
Pch information library.
|
|
All function in this library is available for PEI, DXE, and SMM,
|
But do not support UEFI RUNTIME environment call.
|
|
Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
**/
|
|
#include <Uefi/UefiBaseType.h>
|
#include <Library/BaseLib.h>
|
#include <Library/PchInfoLib.h>
|
#include <Register/PchRegsLpcCnl.h>
|
#include "PchInfoLibPrivate.h"
|
#include <Private/Library/PmcPrivateLib.h>
|
#include <Register/PchRegsLpc.h>
|
|
/**
|
Determine Pch Series based on Device Id
|
|
@param[in] LpcDeviceId Lpc Device Id
|
|
@retval PCH_SERIES Pch Series
|
**/
|
PCH_SERIES
|
PchSeriesFromLpcDid (
|
IN UINT16 LpcDeviceId
|
)
|
{
|
switch (LpcDeviceId & B_LPC_CFG_DID) {
|
|
case V_LPC_CFG_DID_CNL_H:
|
return PCH_H;
|
|
case V_LPC_CFG_DID_CNL_LP:
|
return PCH_LP;
|
|
case V_LPC_CFG_DID_CML_LP:
|
return PCH_LP;
|
|
default:
|
return PCH_UNKNOWN_SERIES;
|
}
|
}
|
|
/**
|
Return Pch Generation
|
|
@retval PCH_GENERATION Pch Generation
|
**/
|
PCH_GENERATION
|
PchGeneration (
|
VOID
|
)
|
{
|
return CNL_PCH;
|
}
|
|
/**
|
Check if this is Server PCH
|
|
@retval TRUE It's a Server PCH
|
@retval FALSE It's not a Server PCH
|
**/
|
BOOLEAN
|
IsPchServer (
|
VOID
|
)
|
{
|
return FALSE;
|
}
|
|
/**
|
Get RST mode supported by the silicon
|
|
@retval RST_MODE RST mode supported by silicon
|
**/
|
RST_MODE
|
PchGetSupportedRstMode (
|
VOID
|
)
|
{
|
switch (PchGetLpcDid ()) {
|
|
case V_CNL_PCH_LP_LPC_CFG_DEVICE_ID_MB_4:
|
case V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A303_SKU:
|
return RstUnsupported;
|
break;
|
|
default:
|
return RstPremium;
|
break;
|
}
|
}
|
|
/**
|
Check if this is Server SKU
|
|
@retval TRUE It's PCH Server SKU
|
@retval FALSE It's not PCH Server SKU
|
**/
|
BOOLEAN
|
IsPchServerSku (
|
VOID
|
)
|
{
|
UINT16 LpcDid;
|
|
LpcDid = PchGetLpcDid ();
|
|
if (LpcDid == V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A309_SKU) {
|
return TRUE;
|
} else {
|
return FALSE;
|
}
|
}
|
|
/**
|
Get PCH series ASCII string.
|
|
@retval PCH Series string
|
**/
|
CHAR8*
|
PchGetSeriesStr (
|
VOID
|
)
|
{
|
switch (PchSeries ()) {
|
|
case PCH_LP:
|
return "CNL PCH-LP";
|
|
case PCH_H:
|
return "CNL PCH-H";
|
|
default:
|
return NULL;
|
}
|
}
|
|
GLOBAL_REMOVE_IF_UNREFERENCED
|
struct PCH_SKU_STRING mSkuStrs[] = {
|
//
|
// PCH LP Mobile LPC Device IDs
|
//
|
{V_CNL_PCH_LP_LPC_CFG_DEVICE_ID_MB_SUPER_SKU, "Super SKU"},
|
{V_CNL_PCH_LP_LPC_CFG_DEVICE_ID_MB_0, "(U) Super SKU"},
|
{V_CNL_PCH_LP_LPC_CFG_DEVICE_ID_MB_1, "Super SKU (locked)"},
|
{V_CNL_PCH_LP_LPC_CFG_DEVICE_ID_MB_2, "(Y) Premium SKU"},
|
{V_CNL_PCH_LP_LPC_CFG_DEVICE_ID_MB_3, "(U) Premium SKU"},
|
{V_CNL_PCH_LP_LPC_CFG_DEVICE_ID_MB_4, "(U) Base/Mainstream SKU"},
|
{V_CNL_PCH_LP_LPC_CFG_DEVICE_ID_MB_5, "(Y) Super SKU"},
|
//
|
// PCH H LPC Device IDs
|
//
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A300_SKU, "CNL PCH-H SKU A300"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A303_SKU, "H310"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A304_SKU, "H370"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A305_SKU, "Z390"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A306_SKU, "Q370"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A309_SKU, "C246"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A30A_SKU, "C242"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A30B_SKU, "X399"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A30C_SKU, "QM370"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A30D_SKU, "HM370"},
|
{V_CNL_PCH_H_LPC_CFG_DEVICE_ID_A30E_SKU, "CM246"},
|
{0xFFFF, NULL}
|
};
|
|
/**
|
Check whether integrated LAN controller is supported by PCH Series.
|
|
@retval TRUE GbE is supported in current PCH
|
@retval FALSE GbE is not supported on current PCH
|
**/
|
BOOLEAN
|
PchIsGbeSupported (
|
VOID
|
)
|
{
|
return TRUE;
|
}
|
|
/**
|
Get Pch Maximum Pcie Root Port Number
|
|
@retval Pch Maximum Pcie Root Port Number
|
**/
|
UINT8
|
GetPchMaxPciePortNum (
|
VOID
|
)
|
{
|
if (IsPchLp ()) {
|
return 16;
|
} else {
|
return 24;
|
}
|
}
|
|
/**
|
Get Pch Usb2 Maximum Physical Port Number
|
|
@retval Pch Usb2 Maximum Physical Port Number
|
**/
|
UINT8
|
GetPchUsb2MaxPhysicalPortNum (
|
VOID
|
)
|
{
|
if (IsPchLp ()) {
|
return 10;
|
} else {
|
return 14;
|
}
|
}
|
|
/**
|
Get Pch Maximum Usb2 Port Number of XHCI Controller
|
|
@retval Pch Maximum Usb2 Port Number of XHCI Controller
|
**/
|
UINT8
|
GetPchXhciMaxUsb2PortNum (
|
VOID
|
)
|
{
|
if (IsPchLp ()) {
|
return 12;
|
} else {
|
return 16;
|
}
|
}
|
|
/**
|
Get Pch Maximum Usb3 Port Number of XHCI Controller
|
|
@retval Pch Maximum Usb3 Port Number of XHCI Controller
|
**/
|
UINT8
|
GetPchXhciMaxUsb3PortNum (
|
VOID
|
)
|
{
|
if (IsPchLp ()) {
|
return 6;
|
} else {
|
return 10;
|
}
|
}
|
|
/**
|
Check if given Display Audio Link T-Mode is supported
|
|
@param[in] Tmode T-mode support to be checked
|
|
@retval TRUE T-mode supported
|
@retval FALSE T-mode not supported
|
**/
|
BOOLEAN
|
IsAudioIDispTmodeSupported (
|
IN PCH_HDAUDIO_IDISP_TMODE Tmode
|
)
|
{
|
//
|
// iDisplay Audio Link T-mode support per PCH Generation/Series:
|
// 1. 1T - CNP-LP
|
// 2. 2T - CNP-LP/H (default)
|
//
|
switch (Tmode) {
|
case PchHdaIDispMode1T:
|
return IsPchLp ();
|
case PchHdaIDispMode2T:
|
return TRUE;
|
case PchHdaIDispMode4T:
|
case PchHdaIDispMode8T:
|
case PchHdaIDispMode16T:
|
default:
|
return FALSE;
|
}
|
}
|
|
/**
|
Gets the maximum number of UFS controller supported by this chipset.
|
|
@return Number of supported UFS controllers
|
**/
|
UINT8
|
PchGetMaxUfsNum (
|
VOID
|
)
|
{
|
if (IsPchLp ()) {
|
return 1;
|
} else {
|
return 0;
|
}
|
}
|
|
/**
|
Check if this chipset supports eMMC controller
|
|
@retval BOOLEAN TRUE if supported, FALSE otherwise
|
**/
|
BOOLEAN
|
IsPchEmmcSupported (
|
VOID
|
)
|
{
|
if (IsPchLp ()) {
|
return TRUE;
|
}
|
|
return FALSE;
|
}
|
|
/**
|
Check if this chipset supports SD controller
|
|
@retval BOOLEAN TRUE if supported, FALSE otherwise
|
**/
|
BOOLEAN
|
IsPchSdCardSupported (
|
VOID
|
)
|
{
|
return TRUE;
|
}
|
|
/**
|
Check if this chipset supports UFS controller
|
|
@retval BOOLEAN TRUE if supported, FALSE otherwise
|
**/
|
BOOLEAN
|
IsPchUfsSupported (
|
VOID
|
)
|
{
|
if (IsPchLp ()) {
|
return TRUE;
|
}
|
|
return FALSE;
|
}
|
|
/**
|
Check if link between PCH and CPU is an P-DMI
|
|
@retval TRUE P-DMI link
|
@retval FALSE Not an P-DMI link
|
**/
|
BOOLEAN
|
IsPchWithPdmi (
|
VOID
|
)
|
{
|
return IsPchH ();
|
}
|
|
/**
|
Check if link between PCH and CPU is an OP-DMI
|
|
@retval TRUE OP-DMI link
|
@retval FALSE Not an OP-DMI link
|
**/
|
BOOLEAN
|
IsPchWithOpdmi (
|
VOID
|
)
|
{
|
return !IsPchH ();
|
}
|
|
/**
|
Check if link between PCH and CPU is an F-DMI
|
|
@retval TRUE F-DMI link
|
@retval FALSE Not an F-DMI link
|
**/
|
BOOLEAN
|
IsPchWithFdmi (
|
VOID
|
)
|
{
|
return FALSE;
|
}
|
