add Qualcomm GENI SerialPortLib
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47
sdm845Pkg/Library/QcomGeniSerialPortLib/GeniSerial.h
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47
sdm845Pkg/Library/QcomGeniSerialPortLib/GeniSerial.h
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@ -0,0 +1,47 @@
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#ifndef UARTQUPV3_H
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#define UARTQUPV3_H
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#define UART_DEBUG_PORT_BASE 0xA84000
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#define UART_BASE_ADDR UART_DEBUG_PORT_BASE
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#define RING_SIZE 256
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#define MemWrite(off1,off2,val) (*((volatile UINT32*)(UINTN)(UART_BASE_ADDR+(off1)+(off2)))=((UINT32)(val)))
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#define MemRead(off1,off2,v) ((*((volatile UINT32*)(UINTN)(UART_BASE_ADDR+(off1)+(off2))))&(v))
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#define MemReadMask(off1,k) MemRead(off1,k##_ADDR,k##_MASK)
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#define GENI4_CFG 0x0
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#define GENI4_IMAGE_REGS 0x100
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#define GENI4_DATA 0x600
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#define QUPV3_SE_DMA 0xC00
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#define GENI4_IMAGE 0x1000
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#define GENI_STATUS_ADDR 0x00000040
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#define GENI_S_IRQ_STATUS_ADDR 0x00000040
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#define GENI_RX_FIFO_ADDR 0x00000180
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#define GENI_TX_FIFO_STATUS_ADDR 0x00000200
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#define GENI_RX_FIFO_STATUS_ADDR 0x00000204
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#define SE_HW_PARAM_0_ADDR 0x00000224
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#define GENI_STATUS_MASK 0x1fffff
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#define GENI_S_IRQ_STATUS_MASK 0xfc07f3f
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#define GENI_RX_FIFO_MASK 0xffffffff
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#define GENI_TX_FIFO_STATUS_MASK 0xffffffff
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#define GENI_RX_FIFO_STATUS_MASK 0xffffffff
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#define SE_HW_PARAM_0_MASK 0x3f3f79ff
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#define GENI_M_CMD0_ADDR 0x00000000
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#define GENI_M_IRQ_EN_SET_ADDR 0x0000001c
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#define GENI_M_IRQ_EN_CLEAR_ADDR 0x00000020
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#define GENI_S_IRQ_CLEAR_ADDR 0x00000048
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#define GENI_S_IRQ_EN_SET_ADDR 0x0000004c
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#define GENI_S_IRQ_EN_CLEAR_ADDR 0x00000050
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#define GENI_TX_FIFO_ADDR 0x00000100
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#define UART_TX_TRANS_CFG_ADDR 0x0000015c
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#define GENI_TX_PACKING_CFG0_ADDR 0x00000160
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#define GENI_TX_PACKING_CFG1_ADDR 0x00000164
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#define UART_TX_TRANS_LEN_ADDR 0x00000170
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#define TX_FIFO_WC 0xfffffff
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#define RX_FIFO_WC 0x1ffffff
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#define RX_LAST_IRQ 0x8000000
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#define TX_FIFO_DEPTH_MASK 0x3f0000
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#define TX_FIFO_DEPTH_SHIFT 0x10
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#define TX_FIFO_WATERMARK_IRQ 0x40000000
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#define RX_FIFO_WATERMARK_IRQ 0x4000000
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#define RX_LAST_VALID_BYTES_MASK 0x70000000
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#define RX_LAST_VALID_BYTES_SHIFT 0x1c
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#define M_GENI_CMD_ACTIVE 0x1
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#endif
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111
sdm845Pkg/Library/QcomGeniSerialPortLib/QcomGeniSerialPortLib.c
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111
sdm845Pkg/Library/QcomGeniSerialPortLib/QcomGeniSerialPortLib.c
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#include <Base.h>
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#include <PiDxe.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseLib.h>
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#include <Library/SerialPortLib.h>
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#include "GeniSerial.h"
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STATIC UINT32 ReadIndex=0,WriteIndex=0,TxFIFOSize=0;
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UINTN EFIAPI SerialPortRead(OUT UINT8*Buffer,IN UINTN Bytes){
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CHAR8*ReadBuffer;
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BOOLEAN Status;
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STATIC UINT8 RxBuffer[255];
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UINT8*Buff=Buffer;
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UINT32 Room=Bytes,Copied=0,Avail=0,Num,WriteOffset,BytesRead,WordsRead,Index,FIFOStatus,Word,IRQStatus,AvailBytes;
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while(1){
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if(ReadIndex==WriteIndex)ReadIndex=WriteIndex=0;
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if(sizeof(RxBuffer)-WriteIndex>4){
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ReadBuffer=(CHAR8*)(RxBuffer+WriteIndex);
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WriteOffset=0,BytesRead=0,WordsRead=0;
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MemWrite(GENI4_DATA,GENI_S_IRQ_EN_SET_ADDR,RX_LAST_IRQ|RX_FIFO_WATERMARK_IRQ);
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IRQStatus=MemReadMask(GENI4_DATA,GENI_S_IRQ_STATUS);
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FIFOStatus=MemReadMask(GENI4_DATA,GENI_RX_FIFO_STATUS);
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if(IRQStatus&(RX_LAST_IRQ|RX_FIFO_WATERMARK_IRQ)){
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BytesRead=(FIFOStatus&RX_LAST_VALID_BYTES_MASK)>>RX_LAST_VALID_BYTES_SHIFT;
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WordsRead=FIFOStatus&RX_FIFO_WC;
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if(BytesRead!=0&&BytesRead!=4)WordsRead-=1;
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else BytesRead=0;
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}
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AvailBytes=WordsRead*4+BytesRead;
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if(WriteOffset+AvailBytes>sizeof(RxBuffer)-WriteIndex){
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if(sizeof(RxBuffer)-WriteIndex-WriteOffset<4){
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MemWrite(GENI4_DATA,GENI_S_IRQ_CLEAR_ADDR,IRQStatus);
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MemWrite(GENI4_DATA,GENI_S_IRQ_EN_CLEAR_ADDR,RX_LAST_IRQ|RX_FIFO_WATERMARK_IRQ);
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goto ok;
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}else{
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WordsRead=((sizeof(RxBuffer)-WriteIndex-WriteOffset)&0x3)>>2;
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BytesRead=0,AvailBytes=WordsRead*4;
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}
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}else MemWrite(GENI4_DATA,GENI_S_IRQ_CLEAR_ADDR,(IRQStatus&RX_LAST_IRQ));
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ReadBuffer+=WriteOffset;
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Status=(ReadBuffer-(CHAR8*)NULL)&0x03;
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for(Index=0;Index<WordsRead;Index++){
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Word=MemReadMask(GENI4_DATA,GENI_RX_FIFO);
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if(Status){
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ReadBuffer[0]=(UINT8)(Word>>0),ReadBuffer[1]=(UINT8)(Word>>8);
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ReadBuffer[2]=(UINT8)(Word>>16),ReadBuffer[3]=(UINT8)(Word>>24);
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}else *(UINT32*)ReadBuffer=Word;
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ReadBuffer+=4;
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}
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if(BytesRead){
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Word=MemReadMask(GENI4_DATA,GENI_RX_FIFO);
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for(Index=0;Index<BytesRead;Index++)ReadBuffer[Index]=(UINT8)(Word>>Index*8);
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}
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WriteOffset+=AvailBytes;
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MemWrite(GENI4_DATA,GENI_S_IRQ_CLEAR_ADDR,(IRQStatus&RX_FIFO_WATERMARK_IRQ));
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ok:WriteIndex+=WriteOffset;
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}
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Avail=ReadIndex<WriteIndex?WriteIndex-ReadIndex:0;
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Num=Room<Avail?Room:Avail;
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if(Num==0)break;
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for(Index=0;Index<Num;Index++)*Buff++=RxBuffer[ReadIndex++&(sizeof(RxBuffer)-1)];
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Copied+=Num,Room-=Num;
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}
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return Copied;
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}
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UINTN EFIAPI SerialPortWrite(IN UINT8*Buffer,IN UINTN Bytes){
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UINT8*MsgBuff=Buffer;
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UINT32 Slots,FIFOSize,WordValue,Index,WordsSend,BytesSend,Full,Partial;
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UINTN BytesRemain=Bytes,Send;
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FIFOSize=(MemReadMask(QUPV3_SE_DMA,SE_HW_PARAM_0)&TX_FIFO_DEPTH_MASK)>>TX_FIFO_DEPTH_SHIFT;
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if(TxFIFOSize==0)TxFIFOSize=FIFOSize<<2;
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while(BytesRemain>0){
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Send=(BytesRemain>TxFIFOSize)?TxFIFOSize:BytesRemain;
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if(MemReadMask(GENI4_CFG,GENI_STATUS)&M_GENI_CMD_ACTIVE)continue;
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MemWrite(GENI4_IMAGE_REGS,UART_TX_TRANS_LEN_ADDR,Send);
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MemWrite(GENI4_DATA,GENI_M_CMD0_ADDR,0x08000000);
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if(Send){
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Full=Send>>2,Partial=Send&0x03;
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Slots=FIFOSize-(MemReadMask(GENI4_DATA,GENI_TX_FIFO_STATUS)&TX_FIFO_WC);
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WordsSend=Full>Slots?Slots:Full,BytesSend=Full>=Slots?0:Partial;
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BOOLEAN k=((CHAR8*)Buffer-(CHAR8*)NULL)&0x03;
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for(Index=0;Index<WordsSend;Index++){
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MemWrite(
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GENI4_DATA,GENI_TX_FIFO_ADDR,(k?(
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Buffer[0]<<0|Buffer[1]<<8|
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Buffer[2]<<16|Buffer[3]<<24
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):(*(UINT32*)Buffer))
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);
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Buffer+=4;
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}
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if(BytesSend){
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WordValue=0;
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for(Index=0;Index<BytesSend;Index++)WordValue|=Buffer[Index]<<Index*8;
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MemWrite(GENI4_DATA,GENI_TX_FIFO_ADDR,WordValue);
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}
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MemWrite(
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GENI4_DATA,
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(Send==WordsSend*4+BytesSend)?
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GENI_M_IRQ_EN_CLEAR_ADDR:GENI_M_IRQ_EN_SET_ADDR,
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TX_FIFO_WATERMARK_IRQ
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);
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}
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MsgBuff+=Send,BytesRemain-=Send;
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}
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return Bytes;
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}
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UINTN EFIAPI SerialPortControl(IN UINTN Arg,IN UINTN Param){return 0;}
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BOOLEAN EFIAPI SerialPortPoll(VOID){return (MemReadMask(GENI4_DATA,GENI_S_IRQ_STATUS)&(RX_LAST_IRQ|RX_FIFO_WATERMARK_IRQ))||(WriteIndex-ReadIndex>0);}
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EFI_STATUS EFIAPI SerialPortSetAttributes(IN OUT UINT64*BaudRate,IN OUT UINT32*ReceiveFifoDepth,IN OUT UINT32*Timeout,IN OUT EFI_PARITY_TYPE*Parity,IN OUT UINT8*DataBits,IN OUT EFI_STOP_BITS_TYPE *StopBits){return EFI_UNSUPPORTED;}
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EFI_STATUS EFIAPI SerialPortGetControl(OUT UINT32*Control){return EFI_UNSUPPORTED;}
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EFI_STATUS EFIAPI SerialPortSetControl(IN UINT32 Control){return EFI_UNSUPPORTED;}
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EFI_STATUS EFIAPI SerialPortInitialize(VOID){return EFI_SUCCESS;}
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@ -0,0 +1,13 @@
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = QcomGeniSerialPortLib
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = SerialPortLib
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[Sources]
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GeniSerial.h
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QcomGeniSerialPortLib.c
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[Packages]
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MdePkg/MdePkg.dec
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@ -34,7 +34,7 @@
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BootLogoLib|MdeModulePkg/Library/BootLogoLib/BootLogoLib.inf
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!if $(TARGET) != RELEASE
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SerialPortLib|sdm845Pkg/Library/InMemorySerialPortLib/InMemorySerialPortLib.inf
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SerialPortLib|sdm845Pkg/Library/QcomGeniSerialPortLib/QcomGeniSerialPortLib.inf
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!else
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SerialPortLib|MdePkg/Library/BaseSerialPortLibNull/BaseSerialPortLibNull.inf
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!endif
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@ -78,10 +78,6 @@
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# SimpleFbDxe
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FrameBufferBltLib|MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf
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!if $(TARGET) != RELEASE
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SerialPortLib|sdm845Pkg/Library/FrameBufferSerialPortLib/FrameBufferSerialPortLib.inf
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!endif
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PlatformBootManagerLib|sdm845Pkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
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MemoryInitPeiLib|sdm845Pkg/Library/MemoryInitPeiLib/PeiMemoryAllocationLib.inf
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PlatformPeiLib|sdm845Pkg/Library/PlatformPeiLib/PlatformPeiLib.inf
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