ArmPkg: Move ARM Platform drivers from ArmPkg/Drivers/ to ArmPlatformPkg/Drivers/ (2)

... svn did not like my way to move folder from one directory to another one :-/




git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11957 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2011-07-01 15:40:16 +00:00
parent 5cc45b70c3
commit 633724f462
14 changed files with 1685 additions and 0 deletions

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/** @file
This file implement the MMC Host Protocol for the ARM PrimeCell PL180.
Copyright (c) 2011, ARM Limited. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "PL180Mci.h"
#include <Library/DevicePathLib.h>
#include <Library/BaseMemoryLib.h>
EFI_MMC_HOST_PROTOCOL *gpMmcHost;
// Untested ...
//#define USE_STREAM
#define MMCI0_BLOCKLEN 512
#define MMCI0_POW2_BLOCKLEN 9
#define MMCI0_TIMEOUT 1000
BOOLEAN
MciIsPowerOn (
VOID
)
{
return ((MmioRead32(MCI_POWER_CONTROL_REG) & 0x3) == MCI_POWER_ON);
}
EFI_STATUS
MciInitialize (
VOID
)
{
MCI_TRACE("MciInitialize()");
return EFI_SUCCESS;
}
BOOLEAN
MciIsCardPresent (
VOID
)
{
return (MmioRead32(FixedPcdGet32(PcdPL180SysMciRegAddress)) & 1);
}
BOOLEAN
MciIsReadOnly (
VOID
)
{
return (MmioRead32(FixedPcdGet32(PcdPL180SysMciRegAddress)) & 2);
}
#if 0
//Note: This function has been commented out because it is not used yet.
// This function could be used to remove the hardcoded BlockLen used
// in MciPrepareDataPath
// Convert block size to 2^n
STATIC
UINT32
GetPow2BlockLen (
IN UINT32 BlockLen
)
{
UINTN Loop;
UINTN Pow2BlockLen;
Loop = 0x8000;
Pow2BlockLen = 15;
do {
Loop = (Loop >> 1) & 0xFFFF;
Pow2BlockLen--;
} while (Pow2BlockLen && (!(Loop & BlockLen)));
return Pow2BlockLen;
}
#endif
VOID
MciPrepareDataPath (
IN UINTN TransferDirection
)
{
// Set Data Length & Data Timer
MmioWrite32(MCI_DATA_TIMER_REG,0xFFFFFFF);
MmioWrite32(MCI_DATA_LENGTH_REG,MMCI0_BLOCKLEN);
#ifndef USE_STREAM
//Note: we are using a hardcoded BlockLen (=512). If we decide to use a variable size, we could
// compute the pow2 of BlockLen with the above function GetPow2BlockLen()
MmioWrite32(MCI_DATA_CTL_REG, MCI_DATACTL_ENABLE | MCI_DATACTL_DMA_ENABLE | TransferDirection | (MMCI0_POW2_BLOCKLEN << 4));
#else
MmioWrite32(MCI_DATA_CTL_REG, MCI_DATACTL_ENABLE | MCI_DATACTL_DMA_ENABLE | TransferDirection | MCI_DATACTL_STREAM_TRANS);
#endif
}
EFI_STATUS
MciSendCommand (
IN MMC_CMD MmcCmd,
IN UINT32 Argument
)
{
UINT32 Status;
UINT32 Cmd;
UINTN RetVal;
UINTN CmdCtrlReg;
RetVal = EFI_SUCCESS;
if ((MmcCmd == MMC_CMD17) || (MmcCmd == MMC_CMD11)) {
MciPrepareDataPath(MCI_DATACTL_CARD_TO_CONT);
} else if ((MmcCmd == MMC_CMD24) || (MmcCmd == MMC_CMD20)) {
MciPrepareDataPath(MCI_DATACTL_CONT_TO_CARD);
}
// Create Command for PL180
Cmd = (MMC_GET_INDX(MmcCmd) & INDX_MASK) | MCI_CPSM_ENABLED;
if (MmcCmd & MMC_CMD_WAIT_RESPONSE) {
Cmd |= MCI_CPSM_WAIT_RESPONSE;
}
if (MmcCmd & MMC_CMD_LONG_RESPONSE) {
Cmd |= MCI_CPSM_LONG_RESPONSE;
}
// Clear Status register static flags
MmioWrite32(MCI_CLEAR_STATUS_REG,0x7FF);
//Write to command argument register
MmioWrite32(MCI_ARGUMENT_REG,Argument);
//Write to command register
MmioWrite32(MCI_COMMAND_REG,Cmd);
if (Cmd & MCI_CPSM_WAIT_RESPONSE) {
Status = MmioRead32(MCI_STATUS_REG);
while (!(Status & (MCI_STATUS_CMD_RESPEND | MCI_STATUS_CMD_CMDCRCFAIL | MCI_STATUS_CMD_CMDTIMEOUT | MCI_STATUS_CMD_START_BIT_ERROR))) {
Status = MmioRead32(MCI_STATUS_REG);
}
if ((Status & MCI_STATUS_CMD_START_BIT_ERROR)) {
DEBUG ((EFI_D_ERROR, "MciSendCommand(CmdIndex:%d) Start bit Error! Response:0x%X Status:0x%x\n",(Cmd & 0x3F),MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_NO_RESPONSE;
goto Exit;
} else if ((Status & MCI_STATUS_CMD_CMDTIMEOUT)) {
//DEBUG ((EFI_D_ERROR, "MciSendCommand(CmdIndex:%d) TIMEOUT! Response:0x%X Status:0x%x\n",(Cmd & 0x3F),MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_TIMEOUT;
goto Exit;
} else if ((!(MmcCmd & MMC_CMD_NO_CRC_RESPONSE)) && (Status & MCI_STATUS_CMD_CMDCRCFAIL)) {
// The CMD1 and response type R3 do not contain CRC. We should ignore the CRC failed Status.
RetVal = EFI_CRC_ERROR;
goto Exit;
} else {
RetVal = EFI_SUCCESS;
goto Exit;
}
} else {
Status = MmioRead32(MCI_STATUS_REG);
while (!(Status & (MCI_STATUS_CMD_SENT | MCI_STATUS_CMD_CMDCRCFAIL | MCI_STATUS_CMD_CMDTIMEOUT| MCI_STATUS_CMD_START_BIT_ERROR))) {
Status = MmioRead32(MCI_STATUS_REG);
}
if ((Status & MCI_STATUS_CMD_START_BIT_ERROR)) {
DEBUG ((EFI_D_ERROR, "MciSendCommand(CmdIndex:%d) Start bit Error! Response:0x%X Status:0x%x\n",(Cmd & 0x3F),MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_NO_RESPONSE;
goto Exit;
} else if ((Status & MCI_STATUS_CMD_CMDTIMEOUT)) {
//DEBUG ((EFI_D_ERROR, "MciSendCommand(CmdIndex:%d) TIMEOUT! Response:0x%X Status:0x%x\n",(Cmd & 0x3F),MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_TIMEOUT;
goto Exit;
} else
if ((!(MmcCmd & MMC_CMD_NO_CRC_RESPONSE)) && (Status & MCI_STATUS_CMD_CMDCRCFAIL)) {
// The CMD1 does not contain CRC. We should ignore the CRC failed Status.
RetVal = EFI_CRC_ERROR;
goto Exit;
} else {
RetVal = EFI_SUCCESS;
goto Exit;
}
}
Exit:
//Disable Command Path
CmdCtrlReg = MmioRead32(MCI_COMMAND_REG);
MmioWrite32(MCI_COMMAND_REG, (CmdCtrlReg & ~MCI_CPSM_ENABLED));
return RetVal;
}
EFI_STATUS
MciReceiveResponse (
IN MMC_RESPONSE_TYPE Type,
IN UINT32* Buffer
)
{
if (Buffer == NULL) {
return EFI_INVALID_PARAMETER;
}
if ((Type == MMC_RESPONSE_TYPE_R1) || (Type == MMC_RESPONSE_TYPE_R1b) ||
(Type == MMC_RESPONSE_TYPE_R3) || (Type == MMC_RESPONSE_TYPE_R6) ||
(Type == MMC_RESPONSE_TYPE_R7))
{
Buffer[0] = MmioRead32(MCI_RESPONSE0_REG);
Buffer[1] = MmioRead32(MCI_RESPONSE1_REG);
} else if (Type == MMC_RESPONSE_TYPE_R2) {
Buffer[0] = MmioRead32(MCI_RESPONSE0_REG);
Buffer[1] = MmioRead32(MCI_RESPONSE1_REG);
Buffer[2] = MmioRead32(MCI_RESPONSE2_REG);
Buffer[3] = MmioRead32(MCI_RESPONSE3_REG);
}
return EFI_SUCCESS;
}
EFI_STATUS
MciReadBlockData (
IN EFI_LBA Lba,
IN UINTN Length,
IN UINT32* Buffer
)
{
UINTN Loop;
UINTN Finish;
UINTN Status;
EFI_STATUS RetVal;
UINTN DataCtrlReg;
RetVal = EFI_SUCCESS;
// Read data from the RX FIFO
Loop = 0;
Finish = MMCI0_BLOCKLEN / 4;
do {
// Read the Status flags
Status = MmioRead32(MCI_STATUS_REG);
// Do eight reads if possible else a single read
if (Status & MCI_STATUS_CMD_RXFIFOHALFFULL) {
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
} else if (Status & MCI_STATUS_CMD_RXDATAAVAILBL) {
Buffer[Loop] = MmioRead32(MCI_FIFO_REG);
Loop++;
} else {
//Check for error conditions and timeouts
if(Status & MCI_STATUS_CMD_DATATIMEOUT) {
DEBUG ((EFI_D_ERROR, "MciReadBlockData(): TIMEOUT! Response:0x%X Status:0x%x\n",MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_TIMEOUT;
break;
} else if(Status & MCI_STATUS_CMD_DATACRCFAIL) {
DEBUG ((EFI_D_ERROR, "MciReadBlockData(): CRC Error! Response:0x%X Status:0x%x\n",MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_CRC_ERROR;
break;
} else if(Status & MCI_STATUS_CMD_START_BIT_ERROR) {
DEBUG ((EFI_D_ERROR, "MciReadBlockData(): Start-bit Error! Response:0x%X Status:0x%x\n",MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_NO_RESPONSE;
break;
}
}
//clear RX over run flag
if(Status & MCI_STATUS_CMD_RXOVERRUN) {
MmioWrite32(MCI_CLEAR_STATUS_REG, MCI_STATUS_CMD_RXOVERRUN);
}
} while ((Loop < Finish));
//Clear Status flags
MmioWrite32(MCI_CLEAR_STATUS_REG, 0x7FF);
//Disable Data path
DataCtrlReg = MmioRead32(MCI_DATA_CTL_REG);
MmioWrite32(MCI_DATA_CTL_REG, (DataCtrlReg & 0xFE));
return RetVal;
}
EFI_STATUS
MciWriteBlockData (
IN EFI_LBA Lba,
IN UINTN Length,
IN UINT32* Buffer
)
{
UINTN Loop;
UINTN Finish;
UINTN Timer;
UINTN Status;
EFI_STATUS RetVal;
UINTN DataCtrlReg;
RetVal = EFI_SUCCESS;
// Write the data to the TX FIFO
Loop = 0;
Finish = MMCI0_BLOCKLEN / 4;
Timer = MMCI0_TIMEOUT * 100;
do {
// Read the Status flags
Status = MmioRead32(MCI_STATUS_REG);
// Do eight writes if possible else a single write
if (Status & MCI_STATUS_CMD_TXFIFOHALFEMPTY) {
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
} else if ((Status & MCI_STATUS_CMD_TXFIFOEMPTY)) {
MmioWrite32(MCI_FIFO_REG, Buffer[Loop]);
Loop++;
} else {
//Check for error conditions and timeouts
if(Status & MCI_STATUS_CMD_DATATIMEOUT) {
DEBUG ((EFI_D_ERROR, "MciWriteBlockData(): TIMEOUT! Response:0x%X Status:0x%x\n",MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_TIMEOUT;
goto Exit;
} else if(Status & MCI_STATUS_CMD_DATACRCFAIL) {
DEBUG ((EFI_D_ERROR, "MciWriteBlockData(): CRC Error! Response:0x%X Status:0x%x\n",MmioRead32(MCI_RESPONSE0_REG),Status));
RetVal = EFI_CRC_ERROR;
goto Exit;
} else if(Status & MCI_STATUS_CMD_TX_UNDERRUN) {
DEBUG ((EFI_D_ERROR, "MciWriteBlockData(): TX buffer Underrun! Response:0x%X Status:0x%x, Number of bytes written 0x%x\n",MmioRead32(MCI_RESPONSE0_REG),Status, Loop));
RetVal = EFI_BUFFER_TOO_SMALL;
ASSERT(0);
goto Exit;
}
}
} while (Loop < Finish);
// Wait for FIFO to drain
Timer = MMCI0_TIMEOUT * 60;
Status = MmioRead32(MCI_STATUS_REG);
#ifndef USE_STREAM
// Single block
while (((Status & MCI_STATUS_CMD_TXDONE) != MCI_STATUS_CMD_TXDONE) && Timer) {
#else
// Stream
while (((Status & MCI_STATUS_CMD_DATAEND) != MCI_STATUS_CMD_DATAEND) && Timer) {
#endif
NanoSecondDelay(10);
Status = MmioRead32(MCI_STATUS_REG);
Timer--;
}
if(Timer == 0) {
DEBUG ((EFI_D_ERROR, "MciWriteBlockData(): Data End timeout Number of bytes written 0x%x\n",Loop));
ASSERT(Timer > 0);
return EFI_TIMEOUT;
}
//Clear Status flags
MmioWrite32(MCI_CLEAR_STATUS_REG, 0x7FF);
if (Timer == 0) {
RetVal = EFI_TIMEOUT;
}
Exit:
//Disable Data path
DataCtrlReg = MmioRead32(MCI_DATA_CTL_REG);
MmioWrite32(MCI_DATA_CTL_REG, (DataCtrlReg & 0xFE));
return RetVal;
}
EFI_STATUS
MciNotifyState (
IN MMC_STATE State
)
{
UINT32 Data32;
switch(State) {
case MmcInvalidState:
ASSERT(0);
break;
case MmcHwInitializationState:
// If device already turn on then restart it
Data32 = MmioRead32(MCI_POWER_CONTROL_REG);
if ((Data32 & 0x2) == MCI_POWER_UP) {
MCI_TRACE("MciNotifyState(MmcHwInitializationState): TurnOff MCI");
// Turn off
MmioWrite32(MCI_CLOCK_CONTROL_REG, 0);
MmioWrite32(MCI_POWER_CONTROL_REG, 0);
MicroSecondDelay(100);
}
MCI_TRACE("MciNotifyState(MmcHwInitializationState): TurnOn MCI");
// Setup clock
// - 0x1D = 29 => should be the clock divider to be less than 400kHz at MCLK = 24Mhz
MmioWrite32(MCI_CLOCK_CONTROL_REG,0x1D | MCI_CLOCK_ENABLE | MCI_CLOCK_POWERSAVE);
//MmioWrite32(MCI_CLOCK_CONTROL_REG,0x1D | MCI_CLOCK_ENABLE);
// Set the voltage
MmioWrite32(MCI_POWER_CONTROL_REG,MCI_POWER_OPENDRAIN | (15<<2));
MmioWrite32(MCI_POWER_CONTROL_REG,MCI_POWER_ROD | MCI_POWER_OPENDRAIN | (15<<2) | MCI_POWER_UP);
MicroSecondDelay(10);
MmioWrite32(MCI_POWER_CONTROL_REG,MCI_POWER_ROD | MCI_POWER_OPENDRAIN | (15<<2) | MCI_POWER_ON);
MicroSecondDelay(100);
// Set Data Length & Data Timer
MmioWrite32(MCI_DATA_TIMER_REG,0xFFFFF);
MmioWrite32(MCI_DATA_LENGTH_REG,8);
ASSERT((MmioRead32(MCI_POWER_CONTROL_REG) & 0x3) == MCI_POWER_ON);
break;
case MmcIdleState:
MCI_TRACE("MciNotifyState(MmcIdleState)");
break;
case MmcReadyState:
MCI_TRACE("MciNotifyState(MmcReadyState)");
break;
case MmcIdentificationState:
MCI_TRACE("MciNotifyState(MmcIdentificationState)");
break;
case MmcStandByState:{
volatile UINT32 PwrCtrlReg;
MCI_TRACE("MciNotifyState(MmcStandByState)");
// Enable MCICMD push-pull drive
PwrCtrlReg = MmioRead32(MCI_POWER_CONTROL_REG);
//Disable Open Drain output
PwrCtrlReg &=~(MCI_POWER_OPENDRAIN);
MmioWrite32(MCI_POWER_CONTROL_REG,PwrCtrlReg);
// Set MMCI0 clock to 4MHz (24MHz may be possible with cache enabled)
//
// Note: Increasing clock speed causes TX FIFO under-run errors.
// So careful when optimising this driver for higher performance.
//
MmioWrite32(MCI_CLOCK_CONTROL_REG,0x02 | MCI_CLOCK_ENABLE | MCI_CLOCK_POWERSAVE);
// Set MMCI0 clock to 24MHz (by bypassing the divider)
//MmioWrite32(MCI_CLOCK_CONTROL_REG,MCI_CLOCK_BYPASS | MCI_CLOCK_ENABLE);
break;
}
case MmcTransferState:
//MCI_TRACE("MciNotifyState(MmcTransferState)");
break;
case MmcSendingDataState:
MCI_TRACE("MciNotifyState(MmcSendingDataState)");
break;
case MmcReceiveDataState:
MCI_TRACE("MciNotifyState(MmcReceiveDataState)");
break;
case MmcProgrammingState:
MCI_TRACE("MciNotifyState(MmcProgrammingState)");
break;
case MmcDisconnectState:
MCI_TRACE("MciNotifyState(MmcDisconnectState)");
break;
default:
ASSERT(0);
}
return EFI_SUCCESS;
}
EFI_GUID mPL180MciDevicePathGuid = EFI_CALLER_ID_GUID;
EFI_STATUS
MciBuildDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL **DevicePath
)
{
EFI_DEVICE_PATH_PROTOCOL *NewDevicePathNode;
NewDevicePathNode = CreateDeviceNode(HARDWARE_DEVICE_PATH,HW_VENDOR_DP,sizeof(VENDOR_DEVICE_PATH));
CopyGuid(&((VENDOR_DEVICE_PATH*)NewDevicePathNode)->Guid,&mPL180MciDevicePathGuid);
*DevicePath = NewDevicePathNode;
return EFI_SUCCESS;
}
EFI_MMC_HOST_PROTOCOL gMciHost = {
MciIsCardPresent,
MciIsReadOnly,
MciBuildDevicePath,
MciNotifyState,
MciSendCommand,
MciReceiveResponse,
MciReadBlockData,
MciWriteBlockData
};
EFI_STATUS
PL180MciDxeInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_HANDLE Handle = NULL;
MCI_TRACE("PL180MciDxeInitialize()");
//Publish Component Name, BlockIO protocol interfaces
Status = gBS->InstallMultipleProtocolInterfaces (
&Handle,
&gEfiMmcHostProtocolGuid, &gMciHost,
NULL
);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}

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/** @file
Header for the MMC Host Protocol implementation for the ARM PrimeCell PL180.
Copyright (c) 2011, ARM Limited. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __PL180_MCI_H
#define __PL180_MCI_H
#include <Uefi.h>
#include <Protocol/MmcHost.h>
#include <Library/UefiLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/IoLib.h>
#include <Library/TimerLib.h>
#include <Library/PcdLib.h>
#define PL180_MCI_DXE_VERSION 0x10
#define MCI_SYSCTL FixedPcdGet32(PcdPL180MciBaseAddress)
#define MCI_POWER_CONTROL_REG (MCI_SYSCTL+0x000)
#define MCI_CLOCK_CONTROL_REG (MCI_SYSCTL+0x004)
#define MCI_ARGUMENT_REG (MCI_SYSCTL+0x008)
#define MCI_COMMAND_REG (MCI_SYSCTL+0x00C)
#define MCI_RESPCMD_REG (MCI_SYSCTL+0x010)
#define MCI_RESPONSE0_REG (MCI_SYSCTL+0x014)
#define MCI_RESPONSE1_REG (MCI_SYSCTL+0x018)
#define MCI_RESPONSE2_REG (MCI_SYSCTL+0x01C)
#define MCI_RESPONSE3_REG (MCI_SYSCTL+0x020)
#define MCI_DATA_TIMER_REG (MCI_SYSCTL+0x024)
#define MCI_DATA_LENGTH_REG (MCI_SYSCTL+0x028)
#define MCI_DATA_CTL_REG (MCI_SYSCTL+0x02C)
#define MCI_DATA_COUNTER (MCI_SYSCTL+0x030)
#define MCI_STATUS_REG (MCI_SYSCTL+0x034)
#define MCI_CLEAR_STATUS_REG (MCI_SYSCTL+0x038)
#define MCI_INT0_MASK_REG (MCI_SYSCTL+0x03C)
#define MCI_INT1_MASK_REG (MCI_SYSCTL+0x040)
#define MCI_FIFOCOUNT_REG (MCI_SYSCTL+0x048)
#define MCI_FIFO_REG (MCI_SYSCTL+0x080)
#define MCI_POWER_UP 0x2
#define MCI_POWER_ON 0x3
#define MCI_POWER_OPENDRAIN (1 << 6)
#define MCI_POWER_ROD (1 << 7)
#define MCI_CLOCK_ENABLE 0x100
#define MCI_CLOCK_POWERSAVE 0x200
#define MCI_CLOCK_BYPASS 0x400
#define MCI_STATUS_CMD_CMDCRCFAIL 0x1
#define MCI_STATUS_CMD_DATACRCFAIL 0x2
#define MCI_STATUS_CMD_CMDTIMEOUT 0x4
#define MCI_STATUS_CMD_DATATIMEOUT 0x8
#define MCI_STATUS_CMD_TX_UNDERRUN 0x10
#define MCI_STATUS_CMD_RXOVERRUN 0x20
#define MCI_STATUS_CMD_RESPEND 0x40
#define MCI_STATUS_CMD_SENT 0x80
#define MCI_STATUS_CMD_TXDONE (MCI_STATUS_CMD_DATAEND | MCI_STATUS_CMD_DATABLOCKEND)
#define MCI_STATUS_CMD_DATAEND 0x000100 // Command Status - Data end
#define MCI_STATUS_CMD_START_BIT_ERROR 0x000200
#define MCI_STATUS_CMD_DATABLOCKEND 0x000400 // Command Status - Data end
#define MCI_STATUS_CMD_ACTIVE 0x800
#define MCI_STATUS_CMD_RXACTIVE (1 << 13)
#define MCI_STATUS_CMD_RXFIFOHALFFULL 0x008000
#define MCI_STATUS_CMD_RXFIFOEMPTY 0x080000
#define MCI_STATUS_CMD_RXDATAAVAILBL (1 << 21)
#define MCI_STATUS_CMD_TXACTIVE (1 << 12)
#define MCI_STATUS_CMD_TXFIFOFULL (1 << 16)
#define MCI_STATUS_CMD_TXFIFOHALFEMPTY (1 << 14)
#define MCI_STATUS_CMD_TXFIFOEMPTY (1 << 18)
#define MCI_STATUS_CMD_TXDATAAVAILBL (1 << 20)
#define MCI_DATACTL_ENABLE 1
#define MCI_DATACTL_CONT_TO_CARD 0
#define MCI_DATACTL_CARD_TO_CONT 2
#define MCI_DATACTL_BLOCK_TRANS 0
#define MCI_DATACTL_STREAM_TRANS 4
#define MCI_DATACTL_DMA_ENABLE (1 << 3)
#define INDX_MASK 0x3F
#define MCI_CPSM_ENABLED (1 << 10)
#define MCI_CPSM_WAIT_RESPONSE (1 << 6)
#define MCI_CPSM_LONG_RESPONSE (1 << 7)
#define MCI_TRACE(txt) DEBUG((EFI_D_BLKIO, "ARM_MCI: " txt "\n"))
EFI_STATUS
EFIAPI
MciGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
EFI_STATUS
EFIAPI
MciGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
#endif

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#/** @file
# INF file for the MMC Host Protocol implementation for the ARM PrimeCell PL180.
#
# Copyright (c) 2011, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PL180MciDxe
FILE_GUID = 09831032-6fa3-4484-af4f-0a000a8d3a82
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = PL180MciDxeInitialize
[Sources.common]
PL180Mci.c
[Packages]
ArmPlatformPkg/ArmPlatformPkg.dec
EmbeddedPkg/EmbeddedPkg.dec
MdePkg/MdePkg.dec
[LibraryClasses]
BaseLib
UefiLib
UefiDriverEntryPoint
BaseMemoryLib
ArmLib
IoLib
TimerLib
[Protocols]
gEfiCpuArchProtocolGuid
gEfiDevicePathProtocolGuid
gEfiMmcHostProtocolGuid
[Pcd]
gArmPlatformTokenSpaceGuid.PcdPL180SysMciRegAddress
gArmPlatformTokenSpaceGuid.PcdPL180MciBaseAddress
[Depex]
TRUE

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/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include <Library/IoLib.h>
#include <Library/DebugLib.h>
#define PL301_QOS_TIDEMARK_MI_0 0x400
#define PL301_QOS_ACCESSCONTROL_MI_0 0x404
#define PL301_QOS_TIDEMARK_MI_1 0x420
#define PL301_QOS_ACCESSCONTROL_MI_1 0x424
#define PL301_QOS_TIDEMARK_MI_2 0x440
#define PL301_QOS_ACCESSCONTROL_MI_2 0x444
#define PL301_AR_ARB_MI_0 0x408
#define PL301_AW_ARB_MI_0 0x40C
#define PL301_AR_ARB_MI_1 0x428
#define PL301_AW_ARB_MI_1 0x42C
#define PL301_AR_ARB_MI_2 0x448
#define PL301_AW_ARB_MI_2 0x44C
#define PL301_MI_1_OFFSET 0x20
#define PL301_MI_2_OFFSET 0x40
#define PL301_MI_3_OFFSET 0x60
#define PL301_MI_4_OFFSET 0x80
#define PL301_MI_5_OFFSET 0xa0
#define V2P_CA9_FAXI_MI0_TIDEMARK_VAL 0x6
#define V2P_CA9_FAXI_MI0_ACCESSCNTRL_VAL 0x1
#define V2P_CA9_FAXI_MI1_TIDEMARK_VAL 0x6
#define V2P_CA9_FAXI_MI1_ACCESSCNTRL_VAL 0x1
#define V2P_CA9_FAXI_MI2_TIDEMARK_VAL 0x6
#define V2P_CA9_FAXI_MI2_ACCESSCNTRL_VAL 0x1
#define FAxiWriteReg(reg,val) MmioWrite32(FAxiBase + reg, val)
#define FAxiReadReg(reg) MmioRead32(FAxiBase + reg)
// IN FAxiBase
// Initialize PL301 Dynamic Memory Controller
VOID PL301AxiInit(UINTN FAxiBase) {
// Configure Tidemark Register for Master Port 0 (MI 0)
FAxiWriteReg(PL301_QOS_TIDEMARK_MI_0, V2P_CA9_FAXI_MI0_TIDEMARK_VAL);
// Configure the Access Control Register (MI 0)
FAxiWriteReg(PL301_QOS_ACCESSCONTROL_MI_0, V2P_CA9_FAXI_MI0_ACCESSCNTRL_VAL);
// MP0
// Set priority for Read
FAxiWriteReg(PL301_AR_ARB_MI_0, 0x00000100);
FAxiWriteReg(PL301_AR_ARB_MI_0, 0x01000200);
FAxiWriteReg(PL301_AR_ARB_MI_0, 0x02000200);
FAxiWriteReg(PL301_AR_ARB_MI_0, 0x03000200);
FAxiWriteReg(PL301_AR_ARB_MI_0, 0x04000200);
// Set priority for Write
FAxiWriteReg(PL301_AW_ARB_MI_0, 0x00000100);
FAxiWriteReg(PL301_AW_ARB_MI_0, 0x01000200);
FAxiWriteReg(PL301_AW_ARB_MI_0, 0x02000200);
FAxiWriteReg(PL301_AW_ARB_MI_0, 0x03000200);
FAxiWriteReg(PL301_AW_ARB_MI_0, 0x04000200);
// MP1
// Set priority for Read
FAxiWriteReg(PL301_AR_ARB_MI_1, 0x00000100);
FAxiWriteReg(PL301_AR_ARB_MI_1, 0x01000200);
FAxiWriteReg(PL301_AR_ARB_MI_1, 0x02000200);
FAxiWriteReg(PL301_AR_ARB_MI_1, 0x03000200);
FAxiWriteReg(PL301_AR_ARB_MI_1, 0x04000200);
// Set priority for Write
FAxiWriteReg(PL301_AW_ARB_MI_1, 0x00000100);
FAxiWriteReg(PL301_AW_ARB_MI_1, 0x01000200);
FAxiWriteReg(PL301_AW_ARB_MI_1, 0x02000200);
FAxiWriteReg(PL301_AW_ARB_MI_1, 0x03000200);
FAxiWriteReg(PL301_AW_ARB_MI_1, 0x04000200);
// MP2
// Set priority for Read
FAxiWriteReg(PL301_AR_ARB_MI_2, 0x00000100);
FAxiWriteReg(PL301_AR_ARB_MI_2, 0x01000100);
FAxiWriteReg(PL301_AR_ARB_MI_2, 0x02000100);
FAxiWriteReg(PL301_AR_ARB_MI_2, 0x03000100);
FAxiWriteReg(PL301_AR_ARB_MI_2, 0x04000100);
// Set priority for Write
FAxiWriteReg(PL301_AW_ARB_MI_2, 0x00000100);
FAxiWriteReg(PL301_AW_ARB_MI_2, 0x01000200);
FAxiWriteReg(PL301_AW_ARB_MI_2, 0x02000200);
FAxiWriteReg(PL301_AW_ARB_MI_2, 0x03000200);
FAxiWriteReg(PL301_AW_ARB_MI_2, 0x04000200);
}

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#/* @file
# Copyright (c) 2011, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#*/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PL301Axi
FILE_GUID = 2ea84160-aba0-11df-9896-0002a5d5c51b
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = PL301AxiLib
[Sources]
PL301Axi.c
[Packages]
ArmPlatformPkg/ArmPlatformPkg.dec
MdePkg/MdePkg.dec

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/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include <Library/IoLib.h>
#include <Library/DebugLib.h>
#include <Library/ArmLib.h>
#include <Drivers/PL310L2Cache.h>
#include <Library/PcdLib.h>
#define L2x0WriteReg(reg,val) MmioWrite32(PcdGet32(PcdL2x0ControllerBase) + reg, val)
#define L2x0ReadReg(reg) MmioRead32(PcdGet32(PcdL2x0ControllerBase) + reg)
// Initialize PL320 L2 Cache Controller
VOID
L2x0CacheInit (
IN UINTN L2x0Base,
IN UINT32 L2x0TagLatencies,
IN UINT32 L2x0DataLatencies,
IN UINT32 L2x0AuxValue,
IN UINT32 L2x0AuxMask,
IN BOOLEAN CacheEnabled
)
{
UINT32 Data;
UINT32 Revision;
UINT32 Aux;
UINT32 PfCtl;
UINT32 PwrCtl;
// Check if L2x0 is present and is an ARM implementation
Data = L2x0ReadReg(L2X0_CACHEID);
if ((Data >> 24) != L2X0_CACHEID_IMPLEMENTER_ARM) {
ASSERT(0);
return;
}
// Check if L2x0 is PL310
if (((Data >> 6) & 0xF) != L2X0_CACHEID_PARTNUM_PL310) {
ASSERT(0);
return;
}
// RTL release
Revision = Data & 0x3F;
// Check if L2x0 is already enabled then we disable it
Data = L2x0ReadReg(L2X0_CTRL);
if (Data & L2X0_CTRL_ENABLED) {
L2x0WriteReg(L2X0_CTRL, L2X0_CTRL_DISABLED);
}
//
// Set up global configurations
//
// Auxiliary register: Non-secure interrupt access Control + Event monitor bus enable + SBO
Aux = L2X0_AUXCTRL_NSAC | L2X0_AUXCTRL_EM | L2X0_AUXCTRL_SBO;
// Use AWCACHE attributes for WA
Aux |= L2x0_AUXCTRL_AW_AWCACHE;
// Use default Size
Data = L2x0ReadReg(L2X0_AUXCTRL);
Aux |= Data & L2X0_AUXCTRL_WAYSIZE_MASK;
// Use default associativity
Aux |= Data & L2X0_AUXCTRL_ASSOCIATIVITY;
// Enabled I & D Prefetch
Aux |= L2x0_AUXCTRL_IPREFETCH | L2x0_AUXCTRL_DPREFETCH;
if (Revision >= 5) {
// Prefetch Offset Register
PfCtl = L2x0ReadReg(L2X0_PFCTRL);
// - Prefetch increment set to 0
// - Prefetch dropping off
// - Double linefills off
L2x0WriteReg(L2X0_PFCTRL, PfCtl);
// Power Control Register - L2X0_PWRCTRL
PwrCtl = L2x0ReadReg(L2X0_PWRCTRL);
// - Standby when idle off
// - Dynamic clock gating off
// - Nc,NC-shared dropping off
L2x0WriteReg(L2X0_PWRCTRL, PwrCtl);
}
if (Revision >= 2) {
L2x0WriteReg(L230_TAG_LATENCY, L2x0TagLatencies);
L2x0WriteReg(L230_DATA_LATENCY, L2x0DataLatencies);
} else {
// PL310 old style latency is not supported yet
ASSERT(0);
}
// Set the platform specific values
Aux = (Aux & L2x0AuxMask) | L2x0AuxValue;
// Write Auxiliary value
L2x0WriteReg(L2X0_AUXCTRL, Aux);
//
// Invalidate all entries in cache
//
L2x0WriteReg(L2X0_INVWAY, 0xffff);
// Poll cache maintenance register until invalidate operation is complete
while(L2x0ReadReg(L2X0_INVWAY) & 0xffff);
// Write to the Lockdown D and Lockdown I Register 9 if required
// - Not required
// Clear any residual raw interrupts
L2x0WriteReg(L2X0_INTCLEAR, 0x1FF);
// Enable the cache
if (CacheEnabled) {
L2x0WriteReg(L2X0_CTRL, L2X0_CTRL_ENABLED);
}
}

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#/* @file
# Copyright (c) 2011, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#*/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PL310L2Cache
FILE_GUID = 16ad4fe0-b5b1-11df-8cbf-0002a5d5c51b
MODULE_TYPE = SEC
VERSION_STRING = 1.0
LIBRARY_CLASS = L2X0CacheLib
[Sources]
PL310L2Cache.c
[Packages]
ArmPkg/ArmPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
MdePkg/MdePkg.dec
[FixedPcd]
gArmTokenSpaceGuid.PcdL2x0ControllerBase

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/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include <Library/IoLib.h>
#include <Library/DebugLib.h>
#include <Drivers/PL341Dmc.h>
// Macros for writing to DDR2 controller.
#define DmcWriteReg(reg,val) MmioWrite32(DmcBase + reg, val)
#define DmcReadReg(reg) MmioRead32(DmcBase + reg)
// Macros for writing/reading to DDR2 PHY controller
#define DmcPhyWriteReg(reg,val) MmioWrite32(DmcPhyBase + reg, val)
#define DmcPhyReadReg(reg) MmioRead32(DmcPhyBase + reg)
// Initialise PL341 Dynamic Memory Controller
VOID
PL341DmcInit (
IN PL341_DMC_CONFIG *DmcConfig
)
{
UINTN DmcBase;
UINTN Index;
UINT32 Chip;
DmcBase = DmcConfig->base;
// Set config mode
DmcWriteReg(DMC_COMMAND_REG, DMC_COMMAND_CONFIGURE);
//
// Setup the QoS AXI ID bits
//
if (DmcConfig->HasQos) {
// CLCD AXIID = 000
DmcWriteReg(DMC_ID_0_CFG_REG, DMC_ID_CFG_QOS_ENABLE | DMC_ID_CFG_QOS_MIN);
// Default disable QoS
DmcWriteReg(DMC_ID_1_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_2_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_3_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_4_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_5_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_6_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_7_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_8_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_9_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_10_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_11_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_12_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_13_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_14_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
DmcWriteReg(DMC_ID_15_CFG_REG, DMC_ID_CFG_QOS_DISABLE);
}
//
// Initialise memory controlller
//
DmcWriteReg(DMC_REFRESH_PRD_REG, DmcConfig->refresh_prd);
DmcWriteReg(DMC_CAS_LATENCY_REG, DmcConfig->cas_latency);
DmcWriteReg(DMC_WRITE_LATENCY_REG, DmcConfig->write_latency);
DmcWriteReg(DMC_T_MRD_REG, DmcConfig->t_mrd);
DmcWriteReg(DMC_T_RAS_REG, DmcConfig->t_ras);
DmcWriteReg(DMC_T_RC_REG, DmcConfig->t_rc);
DmcWriteReg(DMC_T_RCD_REG, DmcConfig->t_rcd);
DmcWriteReg(DMC_T_RFC_REG, DmcConfig->t_rfc);
DmcWriteReg(DMC_T_RP_REG, DmcConfig->t_rp);
DmcWriteReg(DMC_T_RRD_REG, DmcConfig->t_rrd);
DmcWriteReg(DMC_T_WR_REG, DmcConfig->t_wr);
DmcWriteReg(DMC_T_WTR_REG, DmcConfig->t_wtr);
DmcWriteReg(DMC_T_XP_REG, DmcConfig->t_xp);
DmcWriteReg(DMC_T_XSR_REG, DmcConfig->t_xsr);
DmcWriteReg(DMC_T_ESR_REG, DmcConfig->t_esr);
DmcWriteReg(DMC_T_FAW_REG, DmcConfig->t_faw);
DmcWriteReg(DMC_T_WRLAT_DIFF, DmcConfig->t_wdata_en);
DmcWriteReg(DMC_T_RDATA_EN, DmcConfig->t_data_en);
//
// Initialise PL341 Mem Config Registers
//
// Set PL341 Memory Config
DmcWriteReg(DMC_MEMORY_CONFIG_REG, DmcConfig->MemoryCfg);
// Set PL341 Memory Config 2
DmcWriteReg(DMC_MEMORY_CFG2_REG, DmcConfig->MemoryCfg2);
// Set PL341 Chip Select <n>
DmcWriteReg(DMC_CHIP_0_CFG_REG, DmcConfig->ChipCfg0);
DmcWriteReg(DMC_CHIP_1_CFG_REG, DmcConfig->ChipCfg1);
DmcWriteReg(DMC_CHIP_2_CFG_REG, DmcConfig->ChipCfg2);
DmcWriteReg(DMC_CHIP_3_CFG_REG, DmcConfig->ChipCfg3);
// Delay
for (Index = 0; Index < 10; Index++) {
DmcReadReg(DMC_STATUS_REG);
}
// Set PL341 Memory Config 3
DmcWriteReg(DMC_MEMORY_CFG3_REG, DmcConfig->MemoryCfg3);
if (DmcConfig->IsUserCfg) {
//
// Set Test Chip PHY Registers via PL341 User Config Reg
// Note that user_cfgX registers are Write Only
//
// DLL Freq set = 250MHz - 266MHz
//
DmcWriteReg(DMC_USER_0_CFG_REG, DmcConfig->User0Cfg);
// user_config2
// ------------
// Set defaults before calibrating the DDR2 buffer impendence
// - Disable ODT
// - Default drive strengths
DmcWriteReg(DMC_USER_2_CFG_REG, 0x40000198);
//
// Auto calibrate the DDR2 buffers impendence
//
while (!(DmcReadReg(DMC_USER_STATUS_REG) & 0x100));
// Set the output driven strength
DmcWriteReg(DMC_USER_2_CFG_REG, 0x40800000 | DmcConfig->User2Cfg);
//
// Set PL341 Feature Control Register
//
// Disable early BRESP - use to optimise CLCD performance
DmcWriteReg(DMC_FEATURE_CRTL_REG, 0x00000001);
}
//
// Config memories
//
for (Chip = 0; Chip < DmcConfig->MaxChip; Chip++) {
// Send nop
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_NOP);
// Pre-charge all
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_PRECHARGEALL);
// Delay
for (Index = 0; Index < 10; Index++) {
DmcReadReg(DMC_STATUS_REG);
}
// Set (EMR2) extended mode register 2
DmcWriteReg(DMC_DIRECT_CMD_REG,
DMC_DIRECT_CMD_CHIP_ADDR(Chip) |
DMC_DIRECT_CMD_BANKADDR(2) |
DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);
// Set (EMR3) extended mode register 3
DmcWriteReg(DMC_DIRECT_CMD_REG,
DMC_DIRECT_CMD_CHIP_ADDR(Chip) |
DMC_DIRECT_CMD_BANKADDR(3) |
DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);
//
// Set (EMR) Extended Mode Register
//
// Put into OCD default state
DmcWriteReg(DMC_DIRECT_CMD_REG,DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_BANKADDR(1) | DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);
//
// Set (MR) mode register - With DLL reset
//
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_EXTMODEREG | DmcConfig->ModeReg | DDR2_MR_DLL_RESET);
// Pre-charge all
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_PRECHARGEALL);
// Auto-refresh
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_AUTOREFRESH);
// Auto-refresh
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_AUTOREFRESH);
//
// Set (MR) mode register - Without DLL reset
//
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_EXTMODEREG | DmcConfig->ModeReg);
// Delay
for (Index = 0; Index < 10; Index++) {
DmcReadReg(DMC_STATUS_REG);
}
//
// Set (EMR) extended mode register - Enable OCD defaults
//
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | (0x00090000) |
(1 << DDR_MODESET_SHFT) | (DDR_EMR_OCD_DEFAULT << DDR_EMR_OCD_SHIFT) | DmcConfig->ExtModeReg);
// Delay
for (Index = 0; Index < 10; Index++) {
DmcReadReg(DMC_STATUS_REG);
}
// Set (EMR) extended mode register - OCD Exit
DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | (0x00090000) |
(1 << DDR_MODESET_SHFT) | (DDR_EMR_OCD_NS << DDR_EMR_OCD_SHIFT) | DmcConfig->ExtModeReg);
}
// Move DDR2 Controller to Ready state by issueing GO command
DmcWriteReg(DMC_COMMAND_REG, DMC_COMMAND_GO);
// wait for ready
while (!(DmcReadReg(DMC_STATUS_REG) & DMC_STATUS_READY));
}

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#/* @file
# Copyright (c) 2011, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#*/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PL341Dmc
FILE_GUID = edf8da40-aad1-11df-a1f4-0002a5d5c51b
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = PL341DmcLib
[Sources]
PL341Dmc.c
[Packages]
ArmPlatformPkg/ArmPlatformPkg.dec
MdePkg/MdePkg.dec
[FixedPcd]

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#
# Copyright (c) 2011, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http:#opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#
#include <AsmMacroIoLib.h>
#include <Library/PcdLib.h>
#include <AutoGen.h>
#include <Drivers/PL35xSmc.h>
.text
#Maintain 8 byte alignment
.align 3
GCC_ASM_EXPORT(SMCInitializeNOR)
GCC_ASM_EXPORT(SMCInitializeSRAM)
GCC_ASM_EXPORT(SMCInitializePeripherals)
GCC_ASM_EXPORT(SMCInitializeVRAM)
# CS0 CS0-Interf0 NOR1 flash on the motherboard
# CS1 CS1-Interf0 Reserved for the motherboard
# CS2 CS2-Interf0 SRAM on the motherboard
# CS3 CS3-Interf0 memory-mapped Ethernet and USB controllers on the motherboard
# CS4 CS0-Interf1 NOR2 flash on the motherboard
# CS5 CS1-Interf1 memory-mapped peripherals
# CS6 CS2-Interf1 memory-mapped peripherals
# CS7 CS3-Interf1 system memory-mapped peripherals on the motherboard.
// IN r1 SmcBase
// IN r2 ChipSelect
// NOTE: This code is been called before any stack has been setup. It means some registers
// could be overwritten (case of 'r0')
ASM_PFX(SMCInitializeNOR):
#
# Setup NOR1 (CS0-Interface0)
#
# Write to set_cycle register(holding register for NOR 1 cycle register or NAND cycle register)
#Read cycle timeout = 0xA (0:3)
#Write cycle timeout = 0x3(7:4)
#OE Assertion Delay = 0x9(11:8)
#WE Assertion delay = 0x3(15:12)
#Page cycle timeout = 0x2(19:16)
LoadConstantToReg (0x0002393A,r0) @ldr r0, = 0x0002393A
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
# Write to set_opmode register(holding register for NOR 1 opomode register or NAND opmode register)
# 0x00000002 = MemoryWidth: 32bit
# 0x00000028 = ReadMemoryBurstLength:continuous
# 0x00000280 = WriteMemoryBurstLength:continuous
# 0x00000800 = Set Address Valid
LoadConstantToReg (0x00000AAA,r0) @ldr r0, = 0x00000AAA
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
# Write to direct_cmd register so that the NOR 1 registers(set-cycles and opmode) are updated with holding registers
# 0x00000000 = ChipSelect0-Interface 0
# 0x00400000 = CmdTypes: UpdateRegs
LoadConstantToReg (0x00400000,r0) @ldr r0, = 0x00400000
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
bx lr
ASM_PFX(SMCInitializeSRAM):
#
# Setup SRAM (CS2-Interface0)
#
LoadConstantToReg (0x00027158,r0) @ldr r0, = 0x00027158
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
# 0x00000002 = MemoryWidth: 32bit
# 0x00000800 = Set Address Valid
LoadConstantToReg (0x00000802,r0) @ldr r0, = 0x00000802
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
# 0x01000000 = ChipSelect2-Interface 0
# 0x00400000 = CmdTypes: UpdateRegs
LoadConstantToReg (0x01400000,r0) @ldr r0, = 0x01400000
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
bx lr
ASM_PFX(SMCInitializePeripherals):
#
# USB/Eth/VRAM (CS3-Interface0)
#
LoadConstantToReg (0x000CD2AA,r0) @ldr r0, = 0x000CD2AA
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
# 0x00000002 = MemoryWidth: 32bit
# 0x00000004 = Memory reads are synchronous
# 0x00000040 = Memory writes are synchronous
LoadConstantToReg (0x00000046,r0) @ldr r0, = 0x00000046
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
# 0x01800000 = ChipSelect3-Interface 0
# 0x00400000 = CmdTypes: UpdateRegs
LoadConstantToReg (0x01C00000,r0) @ldr r0, = 0x01C00000
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
#
# Setup NOR3 (CS0-Interface1)
#
LoadConstantToReg (0x0002393A,r0) @ldr r0, = 0x0002393A
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
# 0x00000002 = MemoryWidth: 32bit
# 0x00000028 = ReadMemoryBurstLength:continuous
# 0x00000280 = WriteMemoryBurstLength:continuous
# 0x00000800 = Set Address Valid
LoadConstantToReg (0x00000AAA,r0) @ldr r0, = 0x00000AAA
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
# 0x02000000 = ChipSelect0-Interface 1
# 0x00400000 = CmdTypes: UpdateRegs
LoadConstantToReg (0x02400000,r0) @ldr r0, = 0x02400000
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
#
# Setup Peripherals (CS3-Interface1)
#
LoadConstantToReg (0x00025156,r0) @ldr r0, = 0x00025156
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
# 0x00000002 = MemoryWidth: 32bit
# 0x00000004 = Memory reads are synchronous
# 0x00000040 = Memory writes are synchronous
LoadConstantToReg (0x00000046,r0) @ldr r0, = 0x00000046
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
# 0x03800000 = ChipSelect3-Interface 1
# 0x00400000 = CmdTypes: UpdateRegs
LoadConstantToReg (0x03C00000,r0) @ldr r0, = 0x03C00000
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
bx lr
// IN r1 SmcBase
// IN r2 VideoSRamBase
// NOTE: This code is been called before any stack has been setup. It means some registers
// could be overwritten (case of 'r0')
ASM_PFX(SMCInitializeVRAM):
#
# Setup VRAM (CS1-Interface0)
#
LoadConstantToReg (0x00049249,r0) @ldr r0, = 0x00049249
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
# 0x00000002 = MemoryWidth: 32bit
# 0x00000004 = Memory reads are synchronous
# 0x00000040 = Memory writes are synchronous
LoadConstantToReg (0x00000046,r0) @ldr r0, = 0x00000046
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
# 0x00800000 = ChipSelect1-Interface 0
# 0x00400000 = CmdTypes: UpdateRegs
LoadConstantToReg (0x00C00000,r0) @ldr r0, = 0x00C00000
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
#
# Page mode setup for VRAM
#
#read current state
ldr r0, [r2, #0]
ldr r0, [r2, #0]
LoadConstantToReg (0x00000000,r0) @ldr r0, = 0x00000000
str r0, [r2, #0]
ldr r0, [r2, #0]
#enable page mode
ldr r0, [r2, #0]
ldr r0, [r2, #0]
LoadConstantToReg (0x00000000,r0) @ldr r0, = 0x00000000
str r0, [r2, #0]
LoadConstantToReg (0x00900090,r0) @ldr r0, = 0x00900090
str r0, [r2, #0]
#confirm page mode enabled
ldr r0, [r2, #0]
ldr r0, [r2, #0]
LoadConstantToReg (0x00000000,r0) @ldr r0, = 0x00000000
str r0, [r2, #0]
ldr r0, [r2, #0]
bx lr
ASM_FUNCTION_REMOVE_IF_UNREFERENCED

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//
// Copyright (c) 2011, ARM Limited. All rights reserved.
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
//
#include <AsmMacroIoLib.h>
#include <Library/PcdLib.h>
#include <Drivers/PL35xSmc.h>
#include <AutoGen.h>
INCLUDE AsmMacroIoLib.inc
EXPORT SMCInitializeNOR
EXPORT SMCInitializeSRAM
EXPORT SMCInitializePeripherals
EXPORT SMCInitializeVRAM
PRESERVE8
AREA ModuleInitializeSMC, CODE, READONLY
// CS0 CS0-Interf0 NOR1 flash on the motherboard
// CS1 CS1-Interf0 Reserved for the motherboard
// CS2 CS2-Interf0 SRAM on the motherboard
// CS3 CS3-Interf0 memory-mapped Ethernet and USB controllers on the motherboard
// CS4 CS0-Interf1 NOR2 flash on the motherboard
// CS5 CS1-Interf1 memory-mapped peripherals
// CS6 CS2-Interf1 memory-mapped peripherals
// CS7 CS3-Interf1 system memory-mapped peripherals on the motherboard.
// IN r1 SmcBase
// IN r2 ChipSelect
// NOTE: This code is been called before any stack has been setup. It means some registers
// could be overwritten (case of 'r0')
SMCInitializeNOR
// Write to set_cycle register(holding register for NOR 1 cycle register or NAND cycle register)
// - Read cycle timeout = 0xA (0:3)
// - Write cycle timeout = 0x3(7:4)
// - OE Assertion Delay = 0x9(11:8)
// - WE Assertion delay = 0x3(15:12)
// - Page cycle timeout = 0x2(19:16)
ldr r0, = 0x0002393A
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
// Write to set_opmode register(holding register for NOR 1 opomode register or NAND opmode register)
ldr r0, = (PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_RD_BURST_LENGTH_CONT :OR: PL354_SMC_SET_OPMODE_SET_WR_BURST_LENGTH_CONT :OR: PL354_SMC_SET_OPMODE_SET_ADV)
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
// Write to direct_cmd register so that the NOR 1 registers(set-cycles and opmode) are updated with holding registers
ldr r0, =PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE
orr r0, r0, r2
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
bx lr
//
// Setup SRAM (CS2-Interface0)
//
SMCInitializeSRAM
ldr r0, = 0x00027158
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
ldr r0, =(PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_ADV)
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
ldr r0, =(PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE :OR: PL354_SMC_DIRECT_CMD_ADDR_CS(0,2))
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
bx lr
SMCInitializePeripherals
//
// USB/Eth/VRAM (CS3-Interface0)
//
ldr r0, = 0x000CD2AA
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
ldr r0, =(PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL354_SMC_SET_OPMODE_SET_WR_SYNC)
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
ldr r0, =(PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE :OR: PL354_SMC_DIRECT_CMD_ADDR_CS(0,3))
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
//
// Setup Peripherals (CS3-Interface1)
//
ldr r0, = 0x00025156
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
ldr r0, =(PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL354_SMC_SET_OPMODE_SET_WR_SYNC)
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
ldr r0, =(PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE :OR: PL354_SMC_DIRECT_CMD_ADDR_CS(1,3))
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
bx lr
// IN r1 SmcBase
// IN r2 VideoSRamBase
// NOTE: This code is been called before any stack has been setup. It means some registers
// could be overwritten (case of 'r0')
SMCInitializeVRAM
//
// Setup VRAM (CS1-Interface0)
//
ldr r0, = 0x00049249
str r0, [r1, #PL354_SMC_SET_CYCLES_OFFSET]
ldr r0, = (PL354_SMC_SET_OPMODE_MEM_WIDTH_32 :OR: PL354_SMC_SET_OPMODE_SET_RD_SYNC :OR: PL354_SMC_SET_OPMODE_SET_WR_SYNC)
str r0, [r1, #PL354_SMC_SET_OPMODE_OFFSET]
ldr r0, = (PL354_SMC_DIRECT_CMD_ADDR_CMD_UPDATE :OR: PL354_SMC_DIRECT_CMD_ADDR_CS(0,1))
str r0, [r1, #PL354_SMC_DIRECT_CMD_OFFSET]
//
// Page mode setup for VRAM
//
// Read current state
ldr r0, [r2, #0]
ldr r0, [r2, #0]
ldr r0, = 0x00000000
str r0, [r2, #0]
ldr r0, [r2, #0]
// Enable page mode
ldr r0, [r2, #0]
ldr r0, [r2, #0]
ldr r0, = 0x00000000
str r0, [r2, #0]
ldr r0, = 0x00900090
str r0, [r2, #0]
// Confirm page mode enabled
ldr r0, [r2, #0]
ldr r0, [r2, #0]
ldr r0, = 0x00000000
str r0, [r2, #0]
ldr r0, [r2, #0]
bx lr
END

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#/* @file
# Copyright (c) 2011, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#*/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PL35xSmc
FILE_GUID = 10952220-aa32-11df-a438-0002a5d5c51b
MODULE_TYPE = SEC
VERSION_STRING = 1.0
LIBRARY_CLASS = PL35xSmcLib
[Sources.common]
InitializeSMC.asm | RVCT
InitializeSMC.S | GCC
[Packages]
ArmPkg/ArmPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
MdePkg/MdePkg.dec

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/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include <Uefi.h>
#include <Drivers/PL310L2Cache.h>
// Initialize L2X0 Cache Controller
VOID
L2x0CacheInit (
IN UINTN L2x0Base,
IN UINT32 L2x0TagLatencies,
IN UINT32 L2x0DataLatencies,
IN UINT32 L2x0AuxValue,
IN UINT32 L2x0AuxMask,
IN BOOLEAN CacheEnabled
)
{
//No implementation
}

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#/* @file
# Copyright (c) 2011, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#*/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = L2X0CacheLibNull
FILE_GUID = 9c76c900-1e8c-11e0-8766-0002a5d5c51b
MODULE_TYPE = SEC
VERSION_STRING = 1.0
LIBRARY_CLASS = L2X0CacheLib
[Sources]
L2X0Cache.c
[Packages]
MdePkg/MdePkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec