Release 4.7 drivers/atm/uPD98401.h
/* drivers/atm/uPD98401.h - NEC uPD98401 (SAR) declarations */
/* Written 1995 by Werner Almesberger, EPFL LRC */
#ifndef DRIVERS_ATM_uPD98401_H
#define DRIVERS_ATM_uPD98401_H
#define MAX_CRAM_SIZE (1 << 18)
/* 2^18 words */
#define RAM_INCREMENT 1024
/* check in 4 kB increments */
#define uPD98401_PORTS 0x24
/* probably more ? */
/*
* Commands
*/
#define uPD98401_OPEN_CHAN 0x20000000
/* open channel */
#define uPD98401_CHAN_ADDR 0x0003fff8
/* channel address */
#define uPD98401_CHAN_ADDR_SHIFT 3
#define uPD98401_CLOSE_CHAN 0x24000000
/* close channel */
#define uPD98401_CHAN_RT 0x02000000
/* RX/TX (0 TX, 1 RX) */
#define uPD98401_DEACT_CHAN 0x28000000
/* deactivate channel */
#define uPD98401_TX_READY 0x30000000
/* TX ready */
#define uPD98401_ADD_BAT 0x34000000
/* add batches */
#define uPD98401_POOL 0x000f0000
/* pool number */
#define uPD98401_POOL_SHIFT 16
#define uPD98401_POOL_NUMBAT 0x0000ffff
/* number of batches */
#define uPD98401_NOP 0x3f000000
/* NOP */
#define uPD98401_IND_ACC 0x00000000
/* Indirect Access */
#define uPD98401_IA_RW 0x10000000
/* Read/Write (0 W, 1 R) */
#define uPD98401_IA_B3 0x08000000
/* Byte select, 1 enable */
#define uPD98401_IA_B2 0x04000000
#define uPD98401_IA_B1 0x02000000
#define uPD98401_IA_B0 0x01000000
#define uPD98401_IA_BALL 0x0f000000
/* whole longword */
#define uPD98401_IA_TGT 0x000c0000
/* Target */
#define uPD98401_IA_TGT_SHIFT 18
#define uPD98401_IA_TGT_CM 0
/* - Control Memory */
#define uPD98401_IA_TGT_SAR 1
/* - uPD98401 registers */
#define uPD98401_IA_TGT_PHY 3
/* - PHY device */
#define uPD98401_IA_ADDR 0x0003ffff
/*
* Command Register Status
*/
#define uPD98401_BUSY 0x80000000
/* SAR is busy */
#define uPD98401_LOCKED 0x40000000
/* SAR is locked by other CPU */
/*
* Indications
*/
/* Normal (AAL5) Receive Indication */
#define uPD98401_AAL5_UINFO 0xffff0000
/* user-supplied information */
#define uPD98401_AAL5_UINFO_SHIFT 16
#define uPD98401_AAL5_SIZE 0x0000ffff
/* PDU size (in _CELLS_ !!) */
#define uPD98401_AAL5_CHAN 0x7fff0000
/* Channel number */
#define uPD98401_AAL5_CHAN_SHIFT 16
#define uPD98401_AAL5_ERR 0x00008000
/* Error indication */
#define uPD98401_AAL5_CI 0x00004000
/* Congestion Indication */
#define uPD98401_AAL5_CLP 0x00002000
/* CLP (>= 1 cell had CLP=1) */
#define uPD98401_AAL5_ES 0x00000f00
/* Error Status */
#define uPD98401_AAL5_ES_SHIFT 8
#define uPD98401_AAL5_ES_NONE 0
/* No error */
#define uPD98401_AAL5_ES_FREE 1
/* Receiver free buf underflow */
#define uPD98401_AAL5_ES_FIFO 2
/* Receiver FIFO overrun */
#define uPD98401_AAL5_ES_TOOBIG 3
/* Maximum length violation */
#define uPD98401_AAL5_ES_CRC 4
/* CRC error */
#define uPD98401_AAL5_ES_ABORT 5
/* User abort */
#define uPD98401_AAL5_ES_LENGTH 6
/* Length violation */
#define uPD98401_AAL5_ES_T1 7
/* T1 error (timeout) */
#define uPD98401_AAL5_ES_DEACT 8
/* Deactivated with DEACT_CHAN */
#define uPD98401_AAL5_POOL 0x0000001f
/* Free buffer pool number */
/* Raw Cell Indication */
#define uPD98401_RAW_UINFO uPD98401_AAL5_UINFO
#define uPD98401_RAW_UINFO_SHIFT uPD98401_AAL5_UINFO_SHIFT
#define uPD98401_RAW_HEC 0x000000ff
/* HEC */
#define uPD98401_RAW_CHAN uPD98401_AAL5_CHAN
#define uPD98401_RAW_CHAN_SHIFT uPD98401_AAL5_CHAN_SHIFT
/* Transmit Indication */
#define uPD98401_TXI_CONN 0x7fff0000
/* Connection Number */
#define uPD98401_TXI_CONN_SHIFT 16
#define uPD98401_TXI_ACTIVE 0x00008000
/* Channel remains active */
#define uPD98401_TXI_PQP 0x00007fff
/* Packet Queue Pointer */
/*
* Directly Addressable Registers
*/
#define uPD98401_GMR 0x00
/* General Mode Register */
#define uPD98401_GSR 0x01
/* General Status Register */
#define uPD98401_IMR 0x02
/* Interrupt Mask Register */
#define uPD98401_RQU 0x03
/* Receive Queue Underrun */
#define uPD98401_RQA 0x04
/* Receive Queue Alert */
#define uPD98401_ADDR 0x05
/* Last Burst Address */
#define uPD98401_VER 0x06
/* Version Number */
#define uPD98401_SWR 0x07
/* Software Reset */
#define uPD98401_CMR 0x08
/* Command Register */
#define uPD98401_CMR_L 0x09
/* Command Register and Lock/Unlock */
#define uPD98401_CER 0x0a
/* Command Extension Register */
#define uPD98401_CER_L 0x0b
/* Command Ext Reg and Lock/Unlock */
#define uPD98401_MSH(n) (0x10+(n))
/* Mailbox n Start Address High */
#define uPD98401_MSL(n) (0x14+(n))
/* Mailbox n Start Address High */
#define uPD98401_MBA(n) (0x18+(n))
/* Mailbox n Bottom Address */
#define uPD98401_MTA(n) (0x1c+(n))
/* Mailbox n Tail Address */
#define uPD98401_MWA(n) (0x20+(n))
/* Mailbox n Write Address */
/* GMR is at 0x00 */
#define uPD98401_GMR_ONE 0x80000000
/* Must be set to one */
#define uPD98401_GMR_SLM 0x40000000
/* Address mode (0 word, 1 byte) */
#define uPD98401_GMR_CPE 0x00008000
/* Control Memory Parity Enable */
#define uPD98401_GMR_LP 0x00004000
/* Loopback */
#define uPD98401_GMR_WA 0x00002000
/* Early Bus Write Abort/RDY */
#define uPD98401_GMR_RA 0x00001000
/* Early Read Abort/RDY */
#define uPD98401_GMR_SZ 0x00000f00
/* Burst Size Enable */
#define uPD98401_BURST16 0x00000800
/* 16-word burst */
#define uPD98401_BURST8 0x00000400
/* 8-word burst */
#define uPD98401_BURST4 0x00000200
/* 4-word burst */
#define uPD98401_BURST2 0x00000100
/* 2-word burst */
#define uPD98401_GMR_AD 0x00000080
/* Address (burst resolution) Disable */
#define uPD98401_GMR_BO 0x00000040
/* Byte Order (0 little, 1 big) */
#define uPD98401_GMR_PM 0x00000020
/* Bus Parity Mode (0 byte, 1 word)*/
#define uPD98401_GMR_PC 0x00000010
/* Bus Parity Control (0even,1odd) */
#define uPD98401_GMR_BPE 0x00000008
/* Bus Parity Enable */
#define uPD98401_GMR_DR 0x00000004
/* Receive Drop Mode (0drop,1don't)*/
#define uPD98401_GMR_SE 0x00000002
/* Shapers Enable */
#define uPD98401_GMR_RE 0x00000001
/* Receiver Enable */
/* GSR is at 0x01, IMR is at 0x02 */
#define uPD98401_INT_PI 0x80000000
/* PHY interrupt */
#define uPD98401_INT_RQA 0x40000000
/* Receive Queue Alert */
#define uPD98401_INT_RQU 0x20000000
/* Receive Queue Underrun */
#define uPD98401_INT_RD 0x10000000
/* Receiver Deactivated */
#define uPD98401_INT_SPE 0x08000000
/* System Parity Error */
#define uPD98401_INT_CPE 0x04000000
/* Control Memory Parity Error */
#define uPD98401_INT_SBE 0x02000000
/* System Bus Error */
#define uPD98401_INT_IND 0x01000000
/* Initialization Done */
#define uPD98401_INT_RCR 0x0000ff00
/* Raw Cell Received */
#define uPD98401_INT_RCR_SHIFT 8
#define uPD98401_INT_MF 0x000000f0
/* Mailbox Full */
#define uPD98401_INT_MF_SHIFT 4
#define uPD98401_INT_MM 0x0000000f
/* Mailbox Modified */
/* VER is at 0x06 */
#define uPD98401_MAJOR 0x0000ff00
/* Major revision */
#define uPD98401_MAJOR_SHIFT 8
#define uPD98401_MINOR 0x000000ff
/* Minor revision */
/*
* Indirectly Addressable Registers
*/
#define uPD98401_IM(n) (0x40000+(n))
/* Scheduler n I and M */
#define uPD98401_X(n) (0x40010+(n))
/* Scheduler n X */
#define uPD98401_Y(n) (0x40020+(n))
/* Scheduler n Y */
#define uPD98401_PC(n) (0x40030+(n))
/* Scheduler n P, C, p and c */
#define uPD98401_PS(n) (0x40040+(n))
/* Scheduler n priority and status */
/* IM contents */
#define uPD98401_IM_I 0xff000000
/* I */
#define uPD98401_IM_I_SHIFT 24
#define uPD98401_IM_M 0x00ffffff
/* M */
/* PC contents */
#define uPD98401_PC_P 0xff000000
/* P */
#define uPD98401_PC_P_SHIFT 24
#define uPD98401_PC_C 0x00ff0000
/* C */
#define uPD98401_PC_C_SHIFT 16
#define uPD98401_PC_p 0x0000ff00
/* p */
#define uPD98401_PC_p_SHIFT 8
#define uPD98401_PC_c 0x000000ff
/* c */
/* PS contents */
#define uPD98401_PS_PRIO 0xf0
/* Priority level (0 high, 15 low) */
#define uPD98401_PS_PRIO_SHIFT 4
#define uPD98401_PS_S 0x08
/* Scan - must be 0 (internal) */
#define uPD98401_PS_R 0x04
/* Round Robin (internal) */
#define uPD98401_PS_A 0x02
/* Active (internal) */
#define uPD98401_PS_E 0x01
/* Enabled */
#define uPD98401_TOS 0x40100
/* Top of Stack Control Memory Address */
#define uPD98401_SMA 0x40200
/* Shapers Control Memory Start Address */
#define uPD98401_PMA 0x40201
/* Receive Pool Control Memory Start Address */
#define uPD98401_T1R 0x40300
/* T1 Register */
#define uPD98401_VRR 0x40301
/* VPI/VCI Reduction Register/Recv. Shutdown */
#define uPD98401_TSR 0x40302
/* Time-Stamp Register */
/* VRR is at 0x40301 */
#define uPD98401_VRR_SDM 0x80000000
/* Shutdown Mode */
#define uPD98401_VRR_SHIFT 0x000f0000
/* VPI/VCI Shift */
#define uPD98401_VRR_SHIFT_SHIFT 16
#define uPD98401_VRR_MASK 0x0000ffff
/* VPI/VCI mask */
/*
* TX packet descriptor
*/
#define uPD98401_TXPD_SIZE 16
/* descriptor size (in bytes) */
#define uPD98401_TXPD_V 0x80000000
/* Valid bit */
#define uPD98401_TXPD_DP 0x40000000
/* Descriptor (1) or Pointer (0) */
#define uPD98401_TXPD_SM 0x20000000
/* Single (1) or Multiple (0) */
#define uPD98401_TXPD_CLPM 0x18000000
/* CLP mode */
#define uPD98401_CLPM_0 0
/* 00 CLP = 0 */
#define uPD98401_CLPM_1 3
/* 11 CLP = 1 */
#define uPD98401_CLPM_LAST 1
/* 01 CLP unless last cell */
#define uPD98401_TXPD_CLPM_SHIFT 27
#define uPD98401_TXPD_PTI 0x07000000
/* PTI pattern */
#define uPD98401_TXPD_PTI_SHIFT 24
#define uPD98401_TXPD_GFC 0x00f00000
/* GFC pattern */
#define uPD98401_TXPD_GFC_SHIFT 20
#define uPD98401_TXPD_C10 0x00040000
/* insert CRC-10 */
#define uPD98401_TXPD_AAL5 0x00020000
/* AAL5 processing */
#define uPD98401_TXPD_MB 0x00010000
/* TX mailbox number */
#define uPD98401_TXPD_UU 0x0000ff00
/* CPCS-UU */
#define uPD98401_TXPD_UU_SHIFT 8
#define uPD98401_TXPD_CPI 0x000000ff
/* CPI */
/*
* TX buffer descriptor
*/
#define uPD98401_TXBD_SIZE 8
/* descriptor size (in bytes) */
#define uPD98401_TXBD_LAST 0x80000000
/* last buffer in packet */
/*
* TX VC table
*/
/* 1st word has the same structure as in a TX packet descriptor */
#define uPD98401_TXVC_L 0x80000000
/* last buffer */
#define uPD98401_TXVC_SHP 0x0f000000
/* shaper number */
#define uPD98401_TXVC_SHP_SHIFT 24
#define uPD98401_TXVC_VPI 0x00ff0000
/* VPI */
#define uPD98401_TXVC_VPI_SHIFT 16
#define uPD98401_TXVC_VCI 0x0000ffff
/* VCI */
#define uPD98401_TXVC_QRP 6
/* Queue Read Pointer is in word 6 */
/*
* RX free buffer pools descriptor
*/
#define uPD98401_RXFP_ALERT 0x70000000
/* low water mark */
#define uPD98401_RXFP_ALERT_SHIFT 28
#define uPD98401_RXFP_BFSZ 0x0f000000
/* buffer size, 64*2^n */
#define uPD98401_RXFP_BFSZ_SHIFT 24
#define uPD98401_RXFP_BTSZ 0x00ff0000
/* batch size, n+1 */
#define uPD98401_RXFP_BTSZ_SHIFT 16
#define uPD98401_RXFP_REMAIN 0x0000ffff
/* remaining batches in pool */
/*
* RX VC table
*/
#define uPD98401_RXVC_BTSZ 0xff000000
/* remaining free buffers in batch */
#define uPD98401_RXVC_BTSZ_SHIFT 24
#define uPD98401_RXVC_MB 0x00200000
/* RX mailbox number */
#define uPD98401_RXVC_POOL 0x001f0000
/* free buffer pool number */
#define uPD98401_RXVC_POOL_SHIFT 16
#define uPD98401_RXVC_UINFO 0x0000ffff
/* user-supplied information */
#define uPD98401_RXVC_T1 0xffff0000
/* T1 timestamp */
#define uPD98401_RXVC_T1_SHIFT 16
#define uPD98401_RXVC_PR 0x00008000
/* Packet Reception, 1 if busy */
#define uPD98401_RXVC_DR 0x00004000
/* FIFO Drop */
#define uPD98401_RXVC_OD 0x00001000
/* Drop OAM cells */
#define uPD98401_RXVC_AR 0x00000800
/* AAL5 or raw cell; 1 if AAL5 */
#define uPD98401_RXVC_MAXSEG 0x000007ff
/* max number of segments per PDU */
#define uPD98401_RXVC_REM 0xfffe0000
/* remaining words in curr buffer */
#define uPD98401_RXVC_REM_SHIFT 17
#define uPD98401_RXVC_CLP 0x00010000
/* CLP received */
#define uPD98401_RXVC_BFA 0x00008000
/* Buffer Assigned */
#define uPD98401_RXVC_BTA 0x00004000
/* Batch Assigned */
#define uPD98401_RXVC_CI 0x00002000
/* Congestion Indication */
#define uPD98401_RXVC_DD 0x00001000
/* Dropping incoming cells */
#define uPD98401_RXVC_DP 0x00000800
/* like PR ? */
#define uPD98401_RXVC_CURSEG 0x000007ff
/* Current Segment count */
/*
* RX lookup table
*/
#define uPD98401_RXLT_ENBL 0x8000
/* Enable */
#endif
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