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/** @file
Chassis specific functions common to all SOCs based on a specific Chessis
Copyright 2020 NXP
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Chassis.h>
#include <Uefi.h>
#include <Library/IoAccessLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
#include <Library/SerialPortLib.h>
/**
Or Scfg register
@param Address The MMIO register to read.
@return The value read.
**/
UINT32
EFIAPI
ScfgOr32 (
IN UINTN Address,
IN UINT32 Value
)
{
MMIO_OPERATIONS *ScfgOps;
ScfgOps = GetMmioOperations (FeaturePcdGet (PcdScfgBigEndian));
return ScfgOps->Or32 (Address, Value);
}
/**
Read Scfg register
@param Address The MMIO register to read.
@return The value read.
**/
UINT32
EFIAPI
ScfgRead32 (
IN UINTN Address
)
{
MMIO_OPERATIONS *ScfgOps;
ScfgOps = GetMmioOperations (FeaturePcdGet (PcdScfgBigEndian));
return ScfgOps->Read32 (Address);
}
/**
Write Scfg register
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@return Value.
**/
UINT32
EFIAPI
ScfgWrite32 (
IN UINTN Address,
IN UINT32 Value
)
{
MMIO_OPERATIONS *ScfgOps;
ScfgOps = GetMmioOperations (FeaturePcdGet (PcdScfgBigEndian));
return ScfgOps->Write32 (Address, Value);
}
/**
Read Dcfg register
@param Address The MMIO register to read.
@return The value read.
**/
UINT32
EFIAPI
DcfgRead32 (
IN UINTN Address
)
{
MMIO_OPERATIONS *DcfgOps;
DcfgOps = GetMmioOperations (FeaturePcdGet (PcdDcfgBigEndian));
return DcfgOps->Read32 (Address);
}
/**
Write Dcfg register
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@return Value.
**/
UINT32
EFIAPI
DcfgWrite32 (
IN UINTN Address,
IN UINT32 Value
)
{
MMIO_OPERATIONS *DcfgOps;
DcfgOps = GetMmioOperations (FeaturePcdGet (PcdDcfgBigEndian));
return DcfgOps->Write32 (Address, Value);
}
/*
* Setup SMMU in bypass mode
* and also set its pagesize
*/
STATIC
VOID
SmmuInit (
VOID
)
{
UINT32 Value;
/* set pagesize as 64K and ssmu-500 in bypass mode */
Value = (MmioRead32 ((UINTN)SMMU_REG_SACR) | SACR_PAGESIZE_MASK);
MmioWrite32 ((UINTN)SMMU_REG_SACR, Value);
Value = (MmioRead32 ((UINTN)SMMU_REG_SCR0) | SCR0_CLIENTPD_MASK);
Value &= ~SCR0_USFCFG_MASK;
MmioWrite32 ((UINTN)SMMU_REG_SCR0, Value);
Value = (MmioRead32 ((UINTN)SMMU_REG_NSCR0) | SCR0_CLIENTPD_MASK);
Value &= ~SCR0_USFCFG_MASK;
MmioWrite32 ((UINTN)SMMU_REG_NSCR0, Value);
}
/**
Function to initialize Chassis Specific functions
**/
VOID
ChassisInit (
VOID
)
{
//
// Early init serial Port to get board information.
//
SerialPortInitialize ();
SmmuInit ();
}
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