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/* $NetBSD: dp83932reg.h,v 1.7 2008/04/28 20:23:49 martin Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_IC_DP83932REG_H_
#define _DEV_IC_DP83932REG_H_
/*
* Register description for the National Semiconductor DP83932
* Systems-Oriented Network Interface Controller (SONIC).
*/
/*
* SONIC Receive Descriptor Area.
*/
struct sonic_rda16 {
uint16_t rda_status;
uint16_t rda_bytecount;
uint16_t rda_pkt_ptr0;
uint16_t rda_pkt_ptr1;
uint16_t rda_seqno;
uint16_t rda_link;
uint16_t rda_inuse;
} __packed;
struct sonic_rda32 {
uint32_t rda_status;
uint32_t rda_bytecount;
uint32_t rda_pkt_ptr0;
uint32_t rda_pkt_ptr1;
uint32_t rda_seqno;
uint32_t rda_link;
uint32_t rda_inuse;
} __packed;
#define RDA_SEQNO_RBA(x) (((x) >> 8) & 0xff)
#define RDA_SEQNO_RSN(x) ((x) & 0xff)
#define RDA_LINK_EOL 0x01 /* end-of-list */
/*
* SONIC Receive Resource Area.
*
* Note, in 32-bit mode, Rx buffers must be aligned to 32-bit
* boundaries, and in 16-bit mode, to 16-bit boundaries.
*
* Also note the `word count' is always in units of 16-bit words.
*/
struct sonic_rra16 {
uint16_t rra_ptr0;
uint16_t rra_ptr1;
uint16_t rra_wc0;
uint16_t rra_wc1;
} __packed;
struct sonic_rra32 {
uint32_t rra_ptr0;
uint32_t rra_ptr1;
uint32_t rra_wc0;
uint32_t rra_wc1;
} __packed;
/*
* SONIC Transmit Descriptor Area
*
* Note the number of fragments defined here is arbitrary.
*/
#define SONIC_NTXFRAGS 16
struct sonic_frag16 {
uint16_t frag_ptr0;
uint16_t frag_ptr1;
uint16_t frag_size;
} __packed;
struct sonic_frag32 {
uint32_t frag_ptr0;
uint32_t frag_ptr1;
uint32_t frag_size;
} __packed;
/*
* Note the frag after the last frag is used to link up to the
* next descriptor.
*/
struct sonic_tda16 {
uint16_t tda_status;
uint16_t tda_pktconfig;
uint16_t tda_pktsize;
uint16_t tda_fragcnt;
struct sonic_frag16 tda_frags[SONIC_NTXFRAGS + 1];
#if 0
uint16_t tda_link;
#endif
} __packed;
struct sonic_tda32 {
uint32_t tda_status;
uint32_t tda_pktconfig;
uint32_t tda_pktsize;
uint32_t tda_fragcnt;
struct sonic_frag32 tda_frags[SONIC_NTXFRAGS + 1];
#if 0
uint32_t tda_link;
#endif
} __packed;
#define TDA_STATUS_NCOL(x) (((x) >> 11) & 0x1f)
#define TDA_LINK_EOL 0x01 /* end-of-list */
/*
* SONIC CAM Descriptor Area.
*/
struct sonic_cda16 {
uint16_t cda_entry;
uint16_t cda_addr0;
uint16_t cda_addr1;
uint16_t cda_addr2;
} __packed;
struct sonic_cda32 {
uint32_t cda_entry;
uint32_t cda_addr0;
uint32_t cda_addr1;
uint32_t cda_addr2;
} __packed;
/*
* SONIC register file.
*
* NOTE: We define these as indices, and use a register map to deal
* with different address strides.
*/
#define SONIC_CR 0x00 /* Command Register */
#define CR_HTX (1U << 0) /* Halt Transmission */
#define CR_TXP (1U << 1) /* Transmit Packets */
#define CR_RXDIS (1U << 2) /* Receiver Disable */
#define CR_RXEN (1U << 3) /* Receiver Enable */
#define CR_STP (1U << 4) /* Stop Timer */
#define CR_ST (1U << 5) /* Start Timer */
#define CR_RST (1U << 7) /* Software Reset */
#define CR_RRRA (1U << 8) /* Read RRA */
#define CR_LCAM (1U << 9) /* Load CAM */
#define SONIC_DCR 0x01 /* Data Configuration Register */
#define DCR_TFT0 (1U << 0) /* Transmit FIFO Threshold (lo) */
#define DCR_TFT1 (1U << 1) /* Transmit FIFO Threshold (hi) */
#define DCR_RFT0 (1U << 2) /* Receive FIFO Threshold (lo) */
#define DCR_RFT1 (1U << 3) /* Receive FIFO Threshold (hi) */
#define DCR_BMS (1U << 4) /* Block Mode Select for DMA */
#define DCR_DW (1U << 5) /* Data Width Select */
#define DCR_WC0 (1U << 6) /* Wait State Control (lo) */
#define DCR_WC1 (1U << 7) /* Wait State Control (hi) */
#define DCR_USR0 (1U << 8) /* User Definable Pin 0 */
#define DCR_USR1 (1U << 9) /* User Definable Pin 1 */
#define DCR_SBUS (1U << 10) /* Synchronous Bus Mode */
#define DCR_PO0 (1U << 11) /* Programmable Output 0 */
#define DCR_PO1 (1U << 12) /* Programmable Output 1 */
#define DCR_LBR (1U << 13) /* Latched Bus Retry */
#define DCR_EXBUS (1U << 15) /* Extended Bus Mode */
#define SONIC_RCR 0x02 /* Receive Control Register */
#define RCR_PRX (1U << 0) /* Packet Received OK */
#define RCR_LBK (1U << 1) /* Loopback Packet Received */
#define RCR_FAER (1U << 2) /* Frame Alignment Error */
#define RCR_CRCR (1U << 3) /* CRC Error */
#define RCR_COL (1U << 4) /* Collision Activity */
#define RCR_CRS (1U << 5) /* Carrier Sense Activity */
#define RCR_LPKT (1U << 6) /* Last Packet in RBA */
#define RCR_BC (1U << 7) /* Broadcast Packet Received */
#define RCR_MC (1U << 8) /* Multicast Packet Received */
#define RCR_LB0 (1U << 9) /* Loopback Control 0 */
#define RCR_LB1 (1U << 10) /* Loopback Control 1 */
#define RCR_AMC (1U << 11) /* Accept All Multicast Packets */
#define RCR_PRO (1U << 12) /* Physical Promiscuous Packets */
#define RCR_BRD (1U << 13) /* Accept Broadcast Packets */
#define RCR_RNT (1U << 14) /* Accept Runt Packets */
#define RCR_ERR (1U << 15) /* Accept Packets with Errors */
#define SONIC_TCR 0x03 /* Transmit Control Register */
#define TCR_PTX (1U << 0) /* Packet Transmitted OK */
#define TCR_BCM (1U << 1) /* Byte Count Mismatch */
#define TCR_FU (1U << 2) /* FIFO Underrun */
#define TCR_PMB (1U << 3) /* Packet Monitored Bad */
#define TCR_OWC (1U << 5) /* Out of Window Collision */
#define TCR_EXC (1U << 6) /* Excessive Collisions */
#define TCR_CRSL (1U << 7) /* Carrier Sense Lost */
#define TCR_NCRS (1U << 8) /* No Carrier Sense */
#define TCR_DEF (1U << 9) /* Deferred Transmission */
#define TCR_EXD (1U << 10) /* Excessive Deferral */
#define TCR_EXDIS (1U << 12) /* Disable Excessive Deferral Timer */
#define TCR_CRCI (1U << 13) /* CRC Inhibit */
#define TCR_POWC (1U << 14) /* Programmed Out of Window Col. Tmr */
#define TCR_PINT (1U << 15) /* Programmable Interrupt */
#define SONIC_IMR 0x04 /* Interrupt Mask Register */
#define IMR_RFO (1U << 0) /* Rx FIFO Overrun */
#define IMR_MP (1U << 1) /* Missed Packet Tally */
#define IMR_FAE (1U << 2) /* Frame Alignment Error Tally */
#define IMR_CRC (1U << 3) /* CRC Tally */
#define IMR_RBA (1U << 4) /* RBA Exceeded */
#define IMR_RBE (1U << 5) /* Rx Buffers Exhausted */
#define IMR_RDE (1U << 6) /* Rx Descriptors Exhausted */
#define IMR_TC (1U << 7) /* Timer Complete */
#define IMR_TXER (1U << 8) /* Transmit Error */
#define IMR_PTX (1U << 9) /* Transmit OK */
#define IMR_PRX (1U << 10) /* Packet Received */
#define IMR_PINT (1U << 11) /* Programmable Interrupt */
#define IMR_LCD (1U << 12) /* Load CAM Done */
#define IMR_HBL (1U << 13) /* Heartbeat Lost */
#define IMR_BR (1U << 14) /* Bus Retry Occurred */
#define IMR_ALL 0x7fff
#define SONIC_ISR 0x05 /* Interrupt Status Register */
/* See IMR bits. */
#define SONIC_UTDAR 0x06 /* Upper Tx Descriptor Address Register */
#define SONIC_CTDAR 0x07 /* Current Tx Descriptor Address Register */
#define SONIC_TPS 0x08 /* Transmit Packet Size */
#define SONIC_TFC 0x09 /* Transmit Fragment Count */
#define SONIC_TSA0 0x0a /* Transmit Start Address (lo) */
#define SONIC_TSA1 0x0b /* Transmit Start Address (hi) */
#define SONIC_TFS 0x0c /* Transmit Fragment Size */
#define SONIC_URDAR 0x0d /* Upper Rx Descriptor Address Register */
#define SONIC_CRDAR 0x0e /* Current Rx Descriptor Address Register */
#define SONIC_CRBA0 0x0f /* Current Receive Buffer Address (lo) */
#define SONIC_CRBA1 0x10 /* Current Receive Buffer Address (hi) */
#define SONIC_RBWC0 0x11 /* Remaining Buffer Word Count 0 */
#define SONIC_RBWC1 0x12 /* Remaining Buffer Word Count 1 */
#define SONIC_EOBC 0x13 /* End Of Buffer Word Count */
#define SONIC_URRAR 0x14 /* Upper Rx Resource Address Register */
#define SONIC_RSAR 0x15 /* Resource Start Address Register */
#define SONIC_REAR 0x16 /* Resource End Address Register */
#define SONIC_RRR 0x17 /* Resource Read Register */
#define SONIC_RWR 0x18 /* Resource Write Register */
#define SONIC_TRBA0 0x19 /* Temporary Receive Buffer Address (lo) */
#define SONIC_TRBA1 0x1a /* Temporary Receive Buffer Address (hi) */
#define SONIC_TBWC0 0x1b /* Temporary Buffer Word Count 0 */
#define SONIC_TBWC1 0x1c /* Temporary Buffer Word Count 1 */
#define SONIC_ADDR0 0x1d /* Address Generator 0 */
#define SONIC_ADDR1 0x1e /* Address Generator 1 */
#define SONIC_LLFA 0x1f /* Last Link Field Address */
#define SONIC_TTDA 0x20 /* Temporary Tx Descriptor Address */
#define SONIC_CEP 0x21 /* CAM Entry Pointer */
#define SONIC_CAP2 0x22 /* CAM Address Port 2 */
#define SONIC_CAP1 0x23 /* CAM Address Port 1 */
#define SONIC_CAP0 0x24 /* CAM Address Port 0 */
#define SONIC_CER 0x25 /* CAM Enable Register */
#define SONIC_CDP 0x26 /* CAM Descriptor Pointer */
#define SONIC_CDC 0x27 /* CAM Descriptor Count */
#define SONIC_SRR 0x28 /* Silicon Revision Register */
#define SONIC_WT0 0x29 /* Watchdog Timer 0 */
#define SONIC_WT1 0x2a /* Watchdog Timer 1 */
#define SONIC_RSC 0x2b /* Receive Sequence Counter */
#define SONIC_CRCETC 0x2c /* CRC Error Tally Count */
#define SONIC_FAET 0x2d /* Frame Alignment Error Tally */
#define SONIC_MPT 0x2e /* Missed Packet Tally */
#define SONIC_DCR2 0x3f /* Data Configuration Register 2 */
#define DCR2_RJCM (1U << 0) /* Reject on CAM Match */
#define DCR2_PCNM (1U << 1) /* Packet Compress When not Matched */
#define DCR2_PCM (1U << 2) /* Packet Compress When Matched */
#define DCR2_PH (1U << 4) /* Program Hold */
#define DCR2_EXPO0 (1U << 12) /* Extended Programmable Output 0 */
#define DCR2_EXPO1 (1U << 13) /* Extended Programmable Output 1 */
#define DCR2_EXPO2 (1U << 14) /* Extended Programmable Output 2 */
#define DCR2_EXPO3 (1U << 15) /* Extended Programmable Output 3 */
#define SONIC_NREGS 0x40
#endif /* _DEV_IC_DP83932REG_H_ */
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