/* $NetBSD: cemacreg.h,v 1.7 2024/08/29 07:22:36 skrll Exp $ */ /*- * Copyright (c) 2015 Genetec Corporation. All rights reserved. * Written by Hashimoto Kenichi for Genetec Corporation. * * Copyright (c) 2007 Embedtronics Oy * All rights reserved * * 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 REGENTS 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 REGENTS 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 _IF_CEMACREG_H_ #define _IF_CEMACREG_H_ /* Ethernet MAC (EMAC), * at91rm9200.pdf, page 573 */ #define ETH_CTL 0x00U /* Control Register */ #define ETH_CFG 0x04U /* Configuration Register */ #define ETH_SR 0x08U /* Status Register */ #define ETH_TAR 0x0CU /* Transmit Address Register (at91rm9200 only) */ #define ETH_TCR 0x10U /* Transmit Control Register (at91rm9200 only) */ #define ETH_TSR 0x14U /* Transmit Status Register */ #define ETH_RBQP 0x18U /* Receive Buffer Queue Pointer */ #define ETH_TBQP 0x1CU /* Transmit Buffer Queue Pointer */ #define ETH_RSR 0x20U /* Receive Status Register */ #define ETH_ISR 0x24U /* Interrupt Status Register */ #define ETH_IER 0x28U /* Interrupt Enable Register */ #define ETH_IDR 0x2CU /* Interrupt Disable Register */ #define ETH_IMR 0x30U /* Interrupt Mask Register */ #define ETH_MAN 0x34U /* PHY Maintenance Register */ #define ETH_FRA 0x40U /* Frames Transmitted OK */ #define ETH_SCOL 0x44U /* Single Collision Frames */ #define ETH_MCOL 0x48U /* Multiple Collision Frames */ #define ETH_OK 0x4CU /* Frames Received OK */ #define ETH_SEQE 0x50U /* Frame Check Sequence Errors */ #define ETH_ALE 0x54U /* Alignment Errors */ #define ETH_DTE 0x58U /* Deferred Transmission Frame */ #define ETH_LCOL 0x5CU /* Late Collisions */ #define ETH_ECOL 0x60U /* Excessive Collisions */ #define ETH_CSE 0x64U /* Carrier Sense Errors */ #define ETH_TUE 0x68U /* Transmit Underrun Errors */ #define ETH_CDE 0x6CU /* Code Errors */ #define ETH_ELR 0x70U /* Excessive Length Errors */ #define ETH_RJB 0x74U /* Receive Jabbers */ #define ETH_USF 0x78U /* Undersize Frames */ #define ETH_SQEE 0x7CU /* SQE Test Errors */ #define ETH_DRFC 0x80U /* Discarded RX Frames */ #define ETH_HSH 0x90U /* Hash Address High */ #define ETH_HSL 0x94U /* Hash Address Low */ #define ETH_SA1L 0x98U /* Specific Address 1 Low */ #define ETH_SA1H 0x9CU /* Specific Address 1 High */ #define ETH_SA2L 0xA0U /* Specific Address 2 Low */ #define ETH_SA2H 0xA4U /* Specific Address 2 High */ #define ETH_SA3L 0xA8U /* Specific Address 3 Low */ #define ETH_SA3H 0xACU /* Specific Address 3 High */ #define ETH_SA4L 0xB0U /* Specific Address 4 Low */ #define ETH_SA4H 0xB4U /* Specific Address 4 High */ /* * Gigabit Ethernet Controller (GEM) * ug585-Zynq-7000-TRM.pdf */ #define GEM_USER_IO 0x000C #define GEM_DMA_CFG 0x0010 /* DMA Configuration */ #define GEM_DMA_CFG_DISC_WHEN_NO_AHB __BIT(24) #define GEM_DMA_CFG_RX_BUF_SIZE __BITS(23, 16) #define GEM_DMA_CFG_CHKSUM_GEN_OFFLOAD_EN __BIT(11) #define GEM_DMA_CFG_TX_PKTBUF_MEMSZ_SEL __BIT(10) #define GEM_DMA_CFG_RX_PKTBUF_MEMSZ_SEL __BITS(9, 8) #define GEM_DMA_CFG_AHB_ENDIAN_SWAP_PKT_EN __BIT(7) #define GEM_DMA_CFG_AHB_ENDIAN_SWAP_MGMT_EN __BIT(6) #define GEM_DMA_CFG_AHB_FIXED_BURST_LEN __BITS(4, 0) #define GEM_HSH 0x0080 #define GEM_HSL 0x0084 #define GEM_SA1L 0x0088 #define GEM_SA1H 0x008C #define GEM_SA2L 0x0090 #define GEM_SA2H 0x0094 #define GEM_SA3L 0x0098 #define GEM_SA3H 0x009C #define GEM_SA4L 0x0090 #define GEM_SA4H 0x0094 #define GEM_SCOL 0x0138 #define GEM_MCOL 0x013C #define GEM_DCFG2 0x0284 #define GEM_DCFG3 0x0288 #define GEM_DCFG4 0x028C #define GEM_DCFG5 0x0290 #define ETH_SIZE 0x1000 /* Control Register bits: */ #define GEM_CTL_ZEROPAUSETX __BIT(12) #define GEM_CTL_PAUSETX __BIT(11) #define GEM_CTL_HALTTX __BIT(10) #define GEM_CTL_STARTTX __BIT(9) #define ETH_CTL_BP __BIT(8) /* 1 = back pressure enabled */ #define ETH_CTL_WES __BIT(7) /* 1 = statistics registers writeable */ #define ETH_CTL_ISR __BIT(6) /* 1 = increment statistics registers */ #define ETH_CTL_CSR __BIT(5) /* 1 = clear statistics registers */ #define ETH_CTL_MPE __BIT(4) /* 1 = management port enabled */ #define ETH_CTL_TE __BIT(3) /* 1 = transmit enable */ #define ETH_CTL_RE __BIT(2) /* 1 = receive enable */ #define ETH_CTL_LBL __BIT(1) /* 1 = local loopback enabled */ #define ETH_CTL_LB __BIT(0) /* 1 = loopback signal is at high level */ /* Configuration Register bits: */ #define ETH_CFG_RMII __BIT(13) /* 1 = enable RMII (Reduce MII) (AT91RM9200 only) */ #define ETH_CFG_RTY __BIT(12) /* 1 = retry test enabled */ #define ETH_CFG_CLK __BITS(11, 10) /* clock */ #define ETH_CFG_CLK_8 __SHIFTIN(0, ETH_CFG_CLK) #define ETH_CFG_CLK_16 __SHIFTIN(1, ETH_CFG_CLK) #define ETH_CFG_CLK_32 __SHIFTIN(2, ETH_CFG_CLK) #define ETH_CFG_CLK_64 __SHIFTIN(3, ETH_CFG_CLK) #define ETH_CFG_EAE __BIT(9) /* 1 = external address match enable */ #define ETH_CFG_BIG __BIT(8) /* 1 = receive up to 1522 bytes (VLAN) */ #define ETH_CFG_UNI __BIT(7) /* 1 = enable unicast hash */ #define ETH_CFG_MTI __BIT(6) /* 1 = enable multicast hash */ #define ETH_CFG_NBC __BIT(5) /* 1 = ignore received broadcasts */ #define ETH_CFG_CAF __BIT(4) /* 1 = receive all valid frames */ #define ETH_CFG_BR __BIT(2) #define ETH_CFG_FD __BIT(1) /* 1 = force full duplex */ #define ETH_CFG_SPD __BIT(0) /* 1 = 100 Mbps */ #define GEM_CFG_GEN __BIT(10) #define GEM_CFG_CLK __BITS(20, 18) #define GEM_CFG_CLK_8 __SHIFTIN(0, GEM_CFG_CLK) #define GEM_CFG_CLK_16 __SHIFTIN(1, GEM_CFG_CLK) #define GEM_CFG_CLK_32 __SHIFTIN(2, GEM_CFG_CLK) #define GEM_CFG_CLK_48 __SHIFTIN(3, GEM_CFG_CLK) #define GEM_CFG_CLK_64 __SHIFTIN(4, GEM_CFG_CLK) #define GEM_CFG_CLK_96 __SHIFTIN(5, GEM_CFG_CLK) #define GEM_CFG_DBW __BITS(22, 21) #define GEM_CFG_RXCOEN __BIT(24) /* Status Register bits: */ #define ETH_SR_IDLE __BIT(2) /* 1 = PHY logic is running */ #define ETH_SR_MDIO __BIT(1) /* 1 = MDIO pin set */ #define ETH_SR_LINK __BIT(0) /* Transmit Control Register bits: */ #define ETH_TCR_NCRC 0x8000U /* 1 = don't append CRC */ #define ETH_TCR_LEN 0x07FFU /* transmit frame length */ /* Transmit Status Register bits: */ #define ETH_TSR_UND __BIT(6) /* 1 = transmit underrun detected */ #define ETH_TSR_COMP __BIT(5) /* 1 = transmit complete */ #define ETH_TSR_BNQ __BIT(4) /* 1 = transmit buffer not queued (at91rm9200 only) */ #define ETH_TSR_IDLE __BIT(3) /* 1 = transmitter idle */ #define ETH_TSR_RLE __BIT(2) /* 1 = retry limit exceeded */ #define ETH_TSR_COL __BIT(1) /* 1 = collision occurred */ #define ETH_TSR_OVR __BIT(0) /* 1 = transmit buffer overrun */ #define GEM_TSR_TXGO __BIT(3) /* Receive Status Register bits: */ #define ETH_RSR_OVR __BIT(2) /* 1 = RX overrun */ #define ETH_RSR_REC __BIT(1) /* 1 = frame received */ #define ETH_RSR_BNA __BIT(0) /* 1 = buffer not available */ /* Interrupt bits: */ #define ETH_ISR_ABT __BIT(11) /* 1 = abort during DMA transfer */ #define ETH_ISR_ROVR __BIT(10) /* 1 = RX overrun */ #define ETH_ISR_LINK __BIT(9) /* 1 = link pin changed */ #define ETH_ISR_TIDLE __BIT(8) /* 1 = transmitter idle */ #define ETH_ISR_TCOM __BIT(7) /* 1 = transmit complete */ #define ETH_ISR_TBRE __BIT(6) /* 1 = transmit buffer register empty */ #define ETH_ISR_RTRY __BIT(5) /* 1 = retry limit exceeded */ #define ETH_ISR_TUND __BIT(4) /* 1 = transmit buffer underrun */ #define ETH_ISR_TOVR __BIT(3) /* 1 = transmit buffer overrun */ #define ETH_ISR_RBNA __BIT(2) /* 1 = receive buffer not available */ #define ETH_ISR_RCOM __BIT(1) /* 1 = receive complete */ #define ETH_ISR_DONE __BIT(0) /* 1 = management done */ /* PHY Maintenance Register bits: */ #define ETH_MAN_LOW __BIT(31) /* must not be set */ #define ETH_MAN_HIGH __BIT(30) /* must be set */ #define ETH_MAN_RW __BITS(29, 28) #define ETH_MAN_RW_RD __BIT(29) #define ETH_MAN_RW_WR __BIT(28) #define ETH_MAN_PHYA 0x0F800000U /* PHY address (normally 0) */ #define ETH_MAN_PHYA_SHIFT 23U #define ETH_MAN_REGA 0x007C0000U #define ETH_MAN_REGA_SHIFT 18U #define ETH_MAN_CODE 0x00030000U /* must be 10 */ #define ETH_MAN_CODE_IEEE802_3 \ 0x00020000U #define ETH_MAN_DATA 0x0000FFFFU /* data to be written to the PHY */ #define ETH_MAN_VAL (ETH_MAN_HIGH | ETH_MAN_CODE_IEEE802_3) /* received buffer descriptor: */ #define ETH_DSC_ADDR 0x00U #define ETH_DSC_FLAGS 0x00U #define ETH_DSC_INFO 0x04U #define ETH_DSC_SIZE 0x08U typedef struct eth_dsc { volatile uint32_t Addr; volatile uint32_t Info; } __attribute__ ((aligned(4))) eth_dsc_t; /* flags: */ #define ETH_RDSC_F_WRAP __BIT(1) #define ETH_RDSC_F_USED __BIT(0) /* frame info bits: */ #define ETH_RDSC_I_BCAST __BIT(31) #define ETH_RDSC_I_MULTICAST __BIT(30) #define ETH_RDSC_I_UNICAST __BIT(29) #define ETH_RDSC_I_VLAN __BIT(28) #define ETH_RDSC_I_UNKNOWN_SRC __BIT(27) #define ETH_RDSC_I_MATCH1 __BIT(26) #define ETH_RDSC_I_MATCH2 __BIT(25) #define ETH_RDSC_I_MATCH3 __BIT(24) #define ETH_RDSC_I_MATCH4 __BIT(23) #define ETH_RDSC_I_CHKSUM __BITS(23, 22) #define ETH_RDSC_I_CHKSUM_NONE __SHIFTIN(0, ETH_RDSC_I_CHKSUM) #define ETH_RDSC_I_CHKSUM_IP __SHIFTIN(1, ETH_RDSC_I_CHKSUM) #define ETH_RDSC_I_CHKSUM_TCP __SHIFTIN(2, ETH_RDSC_I_CHKSUM) #define ETH_RDSC_I_CHKSUM_UDP __SHIFTIN(3, ETH_RDSC_I_CHKSUM) #define ETH_RDSC_I_LEN __BITS(13, 0) #define ETH_TDSC_I_USED __BIT(31) /* done transmitting */ #define ETH_TDSC_I_WRAP __BIT(30) /* end of descr ring */ #define ETH_TDSC_I_RETRY_ERR __BIT(29) #define ETH_TDSC_I_AHB_ERR __BIT(27) #define ETH_TDSC_I_LATE_COLL __BIT(26) #define ETH_TDSC_I_CHKSUM __BITS(22, 20) #define ETH_TDSC_I_CHKSUM_GEN_STAT_NO_ERR __SHIFTIN(0, ETH_TDSC_I_CHKSUM) #define ETH_TDSC_I_CHKSUM_GEN_STAT_VLAN_HDR_ERR __SHIFTIN(1, ETH_TDSC_I_CHKSUM) #define ETH_TDSC_I_CHKSUM_GEN_STAT_SNAP_HDR_ERR __SHIFTIN(2, ETH_TDSC_I_CHKSUM) #define ETH_TDSC_I_CHKSUM_GEN_STAT_IP_HDR_ERR __SHIFTIN(3, ETH_TDSC_I_CHKSUM) #define ETH_TDSC_I_CHKSUM_GEN_STAT_UNKNOWN_TYPE __SHIFTIN(4, ETH_TDSC_I_CHKSUM) #define ETH_TDSC_I_CHKSUM_GEN_STAT_UNSUPP_FRAG __SHIFTIN(5, ETH_TDSC_I_CHKSUM) #define ETH_TDSC_I_CHKSUM_GEN_STAT_NOT_TCPUDP __SHIFTIN(6, ETH_TDSC_I_CHKSUM) #define ETH_TDSC_I_CHKSUM_GEN_STAT_SHORT_PKT __SHIFTIN(7, ETH_TDSC_I_CHKSUM) #define ETH_TDSC_I_NO_CRC_APPENDED __BIT(16) #define ETH_TDSC_I_LAST_BUF __BIT(15) /* last buf in frame */ #define ETH_TDSC_I_LEN __BITS(13, 0) #endif /* !_IF_CEMACREG_H_ */