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- /***********************************
- * $Id: m68360_pram.h,v 1.1 2002/03/02 15:01:07 gerg Exp $
- ***********************************
- *
- ***************************************
- * Definitions of the parameter area RAM.
- * Note that different structures are overlaid
- * at the same offsets for the different modes
- * of operation.
- ***************************************
- */
- #ifndef __PRAM_H
- #define __PRAM_H
- /* Time slot assignment table */
- #define VALID_SLOT 0x8000
- #define WRAP_SLOT 0x4000
- /*****************************************************************
- Global Multichannel parameter RAM
- *****************************************************************/
- struct global_multi_pram {
- /*
- * Global Multichannel parameter RAM
- */
- unsigned long mcbase; /* Multichannel Base pointer */
- unsigned short qmcstate; /* Multichannel Controller state */
- unsigned short mrblr; /* Maximum Receive Buffer Length */
- unsigned short tx_s_ptr; /* TSTATx Pointer */
- unsigned short rxptr; /* Current Time slot entry in TSATRx */
- unsigned short grfthr; /* Global Receive frame threshold */
- unsigned short grfcnt; /* Global Receive Frame Count */
- unsigned long intbase; /* Multichannel Base address */
- unsigned long iintptr; /* Pointer to interrupt queue */
- unsigned short rx_s_ptr; /* TSTARx Pointer */
- unsigned short txptr; /* Current Time slot entry in TSATTx */
- unsigned long c_mask32; /* CRC Constant (debb20e3) */
- unsigned short tsatrx[32]; /* Time Slot Assignment Table Rx */
- unsigned short tsattx[32]; /* Time Slot Assignment Table Tx */
- unsigned short c_mask16; /* CRC Constant (f0b8) */
- };
- /*****************************************************************
- Quicc32 HDLC parameter RAM
- *****************************************************************/
- struct quicc32_pram {
- unsigned short tbase; /* Tx Buffer Descriptors Base Address */
- unsigned short chamr; /* Channel Mode Register */
- unsigned long tstate; /* Tx Internal State */
- unsigned long txintr; /* Tx Internal Data Pointer */
- unsigned short tbptr; /* Tx Buffer Descriptor Pointer */
- unsigned short txcntr; /* Tx Internal Byte Count */
- unsigned long tupack; /* (Tx Temp) */
- unsigned long zistate; /* Zero Insertion machine state */
- unsigned long tcrc; /* Temp Transmit CRC */
- unsigned short intmask; /* Channel's interrupt mask flags */
- unsigned short bdflags;
- unsigned short rbase; /* Rx Buffer Descriptors Base Address */
- unsigned short mflr; /* Max Frame Length Register */
- unsigned long rstate; /* Rx Internal State */
- unsigned long rxintr; /* Rx Internal Data Pointer */
- unsigned short rbptr; /* Rx Buffer Descriptor Pointer */
- unsigned short rxbyc; /* Rx Internal Byte Count */
- unsigned long rpack; /* (Rx Temp) */
- unsigned long zdstate; /* Zero Deletion machine state */
- unsigned long rcrc; /* Temp Transmit CRC */
- unsigned short maxc; /* Max_length counter */
- unsigned short tmp_mb; /* Temp */
- };
- /*****************************************************************
- HDLC parameter RAM
- *****************************************************************/
- struct hdlc_pram {
- /*
- * SCC parameter RAM
- */
- unsigned short rbase; /* RX BD base address */
- unsigned short tbase; /* TX BD base address */
- unsigned char rfcr; /* Rx function code */
- unsigned char tfcr; /* Tx function code */
- unsigned short mrblr; /* Rx buffer length */
- unsigned long rstate; /* Rx internal state */
- unsigned long rptr; /* Rx internal data pointer */
- unsigned short rbptr; /* rb BD Pointer */
- unsigned short rcount; /* Rx internal byte count */
- unsigned long rtemp; /* Rx temp */
- unsigned long tstate; /* Tx internal state */
- unsigned long tptr; /* Tx internal data pointer */
- unsigned short tbptr; /* Tx BD pointer */
- unsigned short tcount; /* Tx byte count */
- unsigned long ttemp; /* Tx temp */
- unsigned long rcrc; /* temp receive CRC */
- unsigned long tcrc; /* temp transmit CRC */
-
- /*
- * HDLC specific parameter RAM
- */
- unsigned char RESERVED1[4]; /* Reserved area */
- unsigned long c_mask; /* CRC constant */
- unsigned long c_pres; /* CRC preset */
- unsigned short disfc; /* discarded frame counter */
- unsigned short crcec; /* CRC error counter */
- unsigned short abtsc; /* abort sequence counter */
- unsigned short nmarc; /* nonmatching address rx cnt */
- unsigned short retrc; /* frame retransmission cnt */
- unsigned short mflr; /* maximum frame length reg */
- unsigned short max_cnt; /* maximum length counter */
- unsigned short rfthr; /* received frames threshold */
- unsigned short rfcnt; /* received frames count */
- unsigned short hmask; /* user defined frm addr mask */
- unsigned short haddr1; /* user defined frm address 1 */
- unsigned short haddr2; /* user defined frm address 2 */
- unsigned short haddr3; /* user defined frm address 3 */
- unsigned short haddr4; /* user defined frm address 4 */
- unsigned short tmp; /* temp */
- unsigned short tmp_mb; /* temp */
- };
- /*****************************************************************
- UART parameter RAM
- *****************************************************************/
- /*
- * bits in uart control characters table
- */
- #define CC_INVALID 0x8000 /* control character is valid */
- #define CC_REJ 0x4000 /* don't store char in buffer */
- #define CC_CHAR 0x00ff /* control character */
- /* UART */
- struct uart_pram {
- /*
- * SCC parameter RAM
- */
- unsigned short rbase; /* RX BD base address */
- unsigned short tbase; /* TX BD base address */
- unsigned char rfcr; /* Rx function code */
- unsigned char tfcr; /* Tx function code */
- unsigned short mrblr; /* Rx buffer length */
- unsigned long rstate; /* Rx internal state */
- unsigned long rptr; /* Rx internal data pointer */
- unsigned short rbptr; /* rb BD Pointer */
- unsigned short rcount; /* Rx internal byte count */
- unsigned long rx_temp; /* Rx temp */
- unsigned long tstate; /* Tx internal state */
- unsigned long tptr; /* Tx internal data pointer */
- unsigned short tbptr; /* Tx BD pointer */
- unsigned short tcount; /* Tx byte count */
- unsigned long ttemp; /* Tx temp */
- unsigned long rcrc; /* temp receive CRC */
- unsigned long tcrc; /* temp transmit CRC */
-
- /*
- * UART specific parameter RAM
- */
- unsigned char RESERVED1[8]; /* Reserved area */
- unsigned short max_idl; /* maximum idle characters */
- unsigned short idlc; /* rx idle counter (internal) */
- unsigned short brkcr; /* break count register */
-
- unsigned short parec; /* Rx parity error counter */
- unsigned short frmer; /* Rx framing error counter */
- unsigned short nosec; /* Rx noise counter */
- unsigned short brkec; /* Rx break character counter */
- unsigned short brkln; /* Reaceive break length */
-
- unsigned short uaddr1; /* address character 1 */
- unsigned short uaddr2; /* address character 2 */
- unsigned short rtemp; /* temp storage */
- unsigned short toseq; /* Tx out of sequence char */
- unsigned short cc[8]; /* Rx control characters */
- unsigned short rccm; /* Rx control char mask */
- unsigned short rccr; /* Rx control char register */
- unsigned short rlbc; /* Receive last break char */
- };
- /*****************************************************************
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