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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@85 b08762b0-b915-fc4b-9d8c-17b2551a87ff
218 lines
6.5 KiB
C
218 lines
6.5 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlFirm - -include - PXI
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File: misc.h
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Log: $
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$NoKeywords: $
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*---------------------------------------------------------------------------*/
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#ifndef FIRM_PXI_COMMON_MISC_H_
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#define FIRM_PXI_COMMON_MISC_H_
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#include <firm/pxi.h>
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#include <twl/memorymap.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// PXI sync ID for bootrom
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typedef enum
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{
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// from ARM7
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FIRM_PXI_ID_COLDBOOT = 1,
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FIRM_PXI_ID_WARMBOOT = 2,
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FIRM_PXI_ID_INIT_ARM7 = 7,
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FIRM_PXI_ID_LOAD_HEADER = 6,
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FIRM_PXI_ID_LOAD_STATIC = 5,
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// *_Loader—p (ARM7<4D>¨ARM9)
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FIRM_PXI_ID_LOAD_PIRIOD = 1,
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// from ARM9
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FIRM_PXI_ID_INIT_ARM9 = 9,
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FIRM_PXI_ID_AUTH_HEADER = 10,
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FIRM_PXI_ID_AUTH_STATIC = 11,
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// from both of ARM9 and ARM7
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FIRM_PXI_ID_NULL = 0,
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FIRM_PXI_ID_ERR = 0xF
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}
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FIRMPxiID;
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/*---------------------------------------------------------------------------*
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Name: PXI_InitFifoFIRM
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Description: initialize FIFO system for bootrom
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Arguments: None.
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Returns: None.
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*---------------------------------------------------------------------------*/
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void PXI_InitFifoFIRM(void);
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/*---------------------------------------------------------------------------*
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Name: PXI_NotifyID
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Description: send 4bit id to other processor
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Arguments: id notifying id
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_NotifyID( u32 id );
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/*---------------------------------------------------------------------------*
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Name: PXI_WaitID
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Description: Wait 4bit id from the other processor
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Arguments: id waiting id
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_WaitID( u32 id );
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/*---------------------------------------------------------------------------*
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Name: PXI_RecvID
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Description: Receive 4bit id from the other processor
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Arguments: None
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Returns: id
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*---------------------------------------------------------------------------*/
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u8 PXI_RecvID( void );
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/*---------------------------------------------------------------------------*
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Name: PXI_SendIDByIntf
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Description: send 4bit id to other processor
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Arguments: id notifying id
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_SendIDByIntf( u32 id );
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/*---------------------------------------------------------------------------*
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Name: PXI_RecvIDByIntf
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Description: receive 4bit id from the other processor
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Arguments: None
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Returns: received id
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*---------------------------------------------------------------------------*/
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u32 PXI_RecvIDByIntf( void );
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/*---------------------------------------------------------------------------*
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Name: PXI_WaitIDByIntf
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Description: Wait 4bit id from the other processor
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Arguments: id waiting id
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_WaitIDByIntf( u32 id );
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/*---------------------------------------------------------------------------*
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Name: PXI_SendIDByFifo
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Description: Send 32bit-word to another CPU via FIFO
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Arguments:
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_SendIDByFifo(PXIFifoTag tag, u32 id);
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/*---------------------------------------------------------------------------*
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Name: PXI_RecvIDByFifo
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Description: Recv 32bit-word from another CPU via FIFO
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Arguments:
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Returns: if error occured, returns minus value
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*---------------------------------------------------------------------------*/
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PXIFifoStatus PXI_RecvIDByFifo(PXIFifoTag tag, void* buf);
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/*---------------------------------------------------------------------------*
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Name: PXI_WaitIDByFifo
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Description: Wait 32bit-word from another CPU via FIFO
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Arguments: id waiting id
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_WaitIDByFifo(PXIFifoTag tag, u32 id);
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/*---------------------------------------------------------------------------*
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Name: PXI_SendDataByFifo
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Description: Send 32bit-word to another CPU via FIFO
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Arguments:
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_SendDataByFifo(PXIFifoTag tag, void* buf, int size);
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/*---------------------------------------------------------------------------*
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Name: PXI_RecvDataByFifo
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Description: Recv 32bit-word to another CPU via FIFO
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Arguments:
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Returns: if error occured, returns minus value
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*---------------------------------------------------------------------------*/
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PXIFifoStatus PXI_RecvDataByFifo(PXIFifoTag tag, void* buf, int max_size);
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/*---------------------------------------------------------------------------*
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Name: PXI_IsSendFifoFull
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Description: Check if send fifo is full?
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Arguments: None.
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Returns: if send fifo is full
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*---------------------------------------------------------------------------*/
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static inline BOOL PXI_IsSendFifoFull(void)
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{
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return (reg_PXI_FIFO_CNT & REG_PXI_FIFO_CNT_SEND_FULL_MASK) >> REG_PXI_FIFO_CNT_SEND_FULL_SHIFT;
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}
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/*---------------------------------------------------------------------------*
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Name: PXI_IsRecvFifoEmpty
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Description: Check if receive fifo is empty?
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Arguments: None.
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Returns: if receive fifo is empty
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*---------------------------------------------------------------------------*/
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static inline BOOL PXI_IsRecvFifoEmpty(void)
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{
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return (reg_PXI_FIFO_CNT & REG_PXI_FIFO_CNT_RECV_EMP_MASK) >> REG_PXI_FIFO_CNT_RECV_EMP_SHIFT;
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}
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* FIRM_PXI_COMMON_MISC_H_ */
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