/* $NetBSD: hd64570reg.h,v 1.3 2000/01/04 06:36:29 chopps Exp $ */ /* * Copyright (c) 1998 Vixie Enterprises * 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. * 3. Neither the name of Vixie Enterprises nor the names * of its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY VIXIE ENTERPRISES 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 VIXIE ENTERPRISES 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. * * This software has been written for Vixie Enterprises by Michael Graff * . To learn more about Vixie Enterprises, see * ``http://www.vix.com''. */ #ifndef _DEV_IC_HD64570REG_H_ #define _DEV_IC_HD64570REG_H_ /* XXX * This is really HDLC specific stuff, but... */ #define CISCO_MULTICAST 0x8f /* Cisco multicast address */ #define CISCO_UNICAST 0x0f /* Cisco unicast address */ #define CISCO_KEEPALIVE 0x8035 /* Cisco keepalive protocol */ #define CISCO_ADDR_REQ 0 /* Cisco address request */ #define CISCO_ADDR_REPLY 1 /* Cisco address reply */ #define CISCO_KEEPALIVE_REQ 2 /* Cisco keepalive request */ typedef struct cisco_pkt { u_int32_t type; u_int32_t par1; u_int32_t par2; u_int16_t rel; u_int16_t time0; u_int16_t time1; } cisco_pkt_t; #define CISCO_PKT_LEN 18 /* sizeof doesn't work right... */ #define HDLC_PROTOCOL_IP 0x0800 /* IP */ typedef struct hdlc_header { u_int8_t addr; u_int8_t control; u_int16_t protocol; } hdlc_header_t; #define HDLC_HDRLEN 4 /* * Hitachi HD64570 defininitions */ /* SCA Control Registers */ #define SCA_PABR0 2 #define SCA_PABR1 3 #define SCA_WCRL 4 /* Wait Control reg */ #define SCA_WCRM 5 /* Wait Control reg */ #define SCA_WCRH 6 /* Wait Control reg */ #define SCA_PCR 8 /* DMA priority control reg */ /* Interrupt registers */ #define SCA_ISR0 0x10 /* Interrupt status register 0 */ #define SCA_ISR1 0x11 /* Interrupt status register 1 */ #define SCA_ISR2 0x12 /* Interrupt status register 2 */ #define SCA_IER0 0x14 /* Interrupt enable register 0 */ #define SCA_IER1 0x15 /* Interrupt enable register 1 */ #define SCA_IER2 0x16 /* Interrupt enable register 2 */ #define SCA_ITCR 0x18 /* interrupt control register */ #define SCA_IVR 0x1a /* interrupt vector */ #define SCA_IMVR 0x1c /* modified interrupt vector */ /* MSCI Channel 0 Registers */ #define SCA_TRBL0 0x20 /* TX/RX buffer reg */ #define SCA_TRBH0 0x21 /* TX/RX buffer reg */ #define SCA_ST00 0x22 /* Status reg 0 */ #define SCA_ST10 0x23 /* Status reg 1 */ #define SCA_ST20 0x24 /* Status reg 2 */ #define SCA_ST30 0x25 /* Status reg 3 */ #define SCA_FST0 0x26 /* frame Status reg */ #define SCA_IE00 0x28 /* Interrupt enable reg 0 */ #define SCA_IE10 0x29 /* Interrupt enable reg 1 */ #define SCA_IE20 0x2a /* Interrupt enable reg 2 */ #define SCA_FIE0 0x2b /* Frame Interrupt enable reg */ #define SCA_CMD0 0x2c /* Command reg */ #define SCA_MD00 0x2e /* Mode reg 0 */ #define SCA_MD10 0x2f /* Mode reg 1 */ #define SCA_MD20 0x30 /* Mode reg 2 */ #define SCA_CTL0 0x31 /* Control reg */ #define SCA_SA00 0x32 /* Syn Address reg 0 */ #define SCA_SA10 0x33 /* Syn Address reg 1 */ #define SCA_IDL0 0x34 /* Idle register */ #define SCA_TMC0 0x35 /* Time constant */ #define SCA_RXS0 0x36 /* RX clock source */ #define SCA_TXS0 0x37 /* TX clock source */ #define SCA_TRC00 0x38 /* TX Ready control reg 0 */ #define SCA_TRC10 0x39 /* TX Ready control reg 1 */ #define SCA_RRC0 0x3A /* RX Ready control reg */ /* MSCI Channel 1 Registers */ #define SCA_TRBL1 0x40 /* TX/RX buffer reg */ #define SCA_TRBH1 0x41 /* TX/RX buffer reg */ #define SCA_ST01 0x42 /* Status reg 0 */ #define SCA_ST11 0x43 /* Status reg 1 */ #define SCA_ST21 0x44 /* Status reg 2 */ #define SCA_ST31 0x45 /* Status reg 3 */ #define SCA_FST1 0x46 /* Frame Status reg */ #define SCA_IE01 0x48 /* Interrupt enable reg 0 */ #define SCA_IE11 0x49 /* Interrupt enable reg 1 */ #define SCA_IE21 0x4a /* Interrupt enable reg 2 */ #define SCA_FIE1 0x4b /* Frame Interrupt enable reg */ #define SCA_CMD1 0x4c /* Command reg */ #define SCA_MD01 0x4e /* Mode reg 0 */ #define SCA_MD11 0x4f /* Mode reg 1 */ #define SCA_MD21 0x50 /* Mode reg 2 */ #define SCA_CTL1 0x51 /* Control reg */ #define SCA_SA01 0x52 /* Syn Address reg 0 */ #define SCA_SA11 0x53 /* Syn Address reg 1 */ #define SCA_IDL1 0x54 /* Idle register */ #define SCA_TMC1 0x55 /* Time constant */ #define SCA_RXS1 0x56 /* RX clock source */ #define SCA_TXS1 0x57 /* TX clock source */ #define SCA_TRC01 0x58 /* TX Ready control reg 0 */ #define SCA_TRC11 0x59 /* TX Ready control reg 1 */ #define SCA_RRC1 0x5A /* RX Ready control reg */ /* SCA DMA registers */ #define SCA_DMER 0x9 /* DMA Master Enable reg */ /* DMA Channel 0 Registers (MSCI -> memory, or rx) */ #define SCA_BARL0 0x80 /* buffer address reg */ #define SCA_BARH0 0x81 /* buffer address reg */ #define SCA_BARB0 0x82 /* buffer address reg */ #define SCA_DARL0 0x80 /* Dest. address reg */ #define SCA_DARH0 0x81 /* Dest. address reg */ #define SCA_DARB0 0x82 /* Dest. address reg */ #define SCA_CPB0 0x86 /* Chain pointer base */ #define SCA_CDAL0 0x88 /* Current descriptor address */ #define SCA_CDAH0 0x89 /* Current descriptor address */ #define SCA_EDAL0 0x8A /* Error descriptor address */ #define SCA_EDAH0 0x8B /* Error descriptor address */ #define SCA_BFLL0 0x8C /* RX buffer length Low */ #define SCA_BFLH0 0x8D /* RX buffer length High */ #define SCA_BCRL0 0x8E /* Byte Count reg */ #define SCA_BCRH0 0x8F /* Byte Count reg */ #define SCA_DSR0 0x90 /* DMA Status reg */ #define SCA_DMR0 0x91 /* DMA Mode reg */ #define SCA_FCT0 0x93 /* Frame end interrupt Counter */ #define SCA_DIR0 0x94 /* DMA interrupt enable */ #define SCA_DCR0 0x95 /* DMA Command reg */ /* DMA Channel 1 Registers (memory -> MSCI, or tx) */ #define SCA_BARL1 0xA0 /* buffer address reg */ #define SCA_BARH1 0xA1 /* buffer address reg */ #define SCA_BARB1 0xA2 /* buffer address reg */ #define SCA_SARL1 0xA4 /* Source address reg */ #define SCA_SARH1 0xA5 /* Source address reg */ #define SCA_SARB1 0xA6 /* Source address reg */ #define SCA_CPB1 0xA6 /* Chain pointer base */ #define SCA_CDAL1 0xA8 /* Current descriptor address */ #define SCA_CDAH1 0xA9 /* Current descriptor address */ #define SCA_EDAL1 0xAA /* Error descriptor address */ #define SCA_EDAH1 0xAB /* Error descriptor address */ #define SCA_BCRL1 0xAE /* Byte Count reg */ #define SCA_BCRH1 0xAF /* Byte Count reg */ #define SCA_DSR1 0xB0 /* DMA Status reg */ #define SCA_DMR1 0xB1 /* DMA Mode reg */ #define SCA_FCT1 0xB3 /* Frame end interrupt Counter */ #define SCA_DIR1 0xB4 /* DMA interrupt enable */ #define SCA_DCR1 0xB5 /* DMA Command reg */ /* DMA Channel 2 Registers (MSCI -> memory) */ #define SCA_BARL2 0xC0 /* buffer address reg */ #define SCA_BARH2 0xC1 /* buffer address reg */ #define SCA_BARB2 0xC2 /* buffer address reg */ #define SCA_CDAL2 0xC8 #define SCA_DSR2 0xD0 /* DMA Status reg */ /* DMA Channel 3 Registers (memory -> MSCI) */ #define SCA_BARL3 0xE0 /* buffer address reg */ #define SCA_BARH3 0xE1 /* buffer address reg */ #define SCA_BARB3 0xE2 /* buffer address reg */ #define SCA_CDAL3 0xE8 #define SCA_DSR3 0xF0 /* DMA Status reg */ /* * Timer Registers */ /* Timer up-counter */ #define SCA_TCNTL0 0x60 /* channel 0 */ #define SCA_TCNTH0 0x61 /* channel 0 */ #define SCA_TCNTL1 0x68 /* channel 1 */ #define SCA_TCNTH1 0x69 /* channel 1 */ #define SCA_TCNTL2 0x70 /* channel 2 */ #define SCA_TCNTH2 0x71 /* channel 2 */ #define SCA_TCNTL3 0x78 /* channel 3 */ #define SCA_TCNTH3 0x79 /* channel 3 */ /* Timer constant register */ #define SCA_TCONRL0 0x62 /* channel 0 */ #define SCA_TCONRH0 0x63 /* channel 0 */ #define SCA_TCONRL1 0x6a /* channel 1 */ #define SCA_TCONRH1 0x6b /* channel 1 */ #define SCA_TCONRL2 0x72 /* channel 2 */ #define SCA_TCONRH2 0x73 /* channel 2 */ #define SCA_TCONRL3 0x7a /* channel 3 */ #define SCA_TCONRH3 0x7b /* channel 3 */ /* Timer control/status register */ #define SCA_TCSR0 0x64 /* channel 0 */ #define SCA_TCSR1 0x6c /* channel 1 */ #define SCA_TCSR2 0x74 /* channel 2 */ #define SCA_TCSR3 0x7c /* channel 3 */ /* Timer expand prescale register */ #define SCA_TEPR0 0x65 /* channel 0 */ #define SCA_TEPR1 0x6d /* channel 1 */ #define SCA_TEPR2 0x75 /* channel 2 */ #define SCA_TEPR3 0x7d /* channel 3 */ /* * SCA HD64570 Register Definitions */ #define ST3_CTS 8 /* modem input /CTS bit */ #define ST3_DCD 4 /* modem input /DCD bit */ /* * SCA commands */ #define SCA_CMD_TXRESET 0x01 #define SCA_CMD_TXENABLE 0x02 #define SCA_CMD_TXDISABLE 0x03 #define SCA_CMD_TXCRCINIT 0x04 #define SCA_CMD_TXCRCEXCL 0x05 #define SCA_CMS_TXEOM 0x06 #define SCA_CMD_TXABORT 0x07 #define SCA_CMD_MPON 0x08 #define SCA_CMD_TXBCLEAR 0x09 #define SCA_CMD_RXRESET 0x11 #define SCA_CMD_RXENABLE 0x12 #define SCA_CMD_RXDISABLE 0x13 #define SCA_CMD_RXCRCINIT 0x14 #define SCA_CMD_RXMSGREJ 0x15 #define SCA_CMD_MPSEARCH 0x16 #define SCA_CMD_RXCRCEXCL 0x17 #define SCA_CMD_RXCRCCALC 0x18 #define SCA_CMD_NOP 0x00 #define SCA_CMD_RESET 0x21 #define SCA_CMD_SEARCH 0x31 #define SCA_MD0_CRC_1 0x01 #define SCA_MD0_CRC_CCITT 0x02 #define SCA_MD0_CRC_ENABLE 0x04 #define SCA_MD0_AUTO_ENABLE 0x10 #define SCA_MD0_MODE_ASYNC 0x00 #define SCA_MD0_MODE_BYTESYNC1 0x20 #define SCA_MD0_MODE_BISYNC 0x40 #define SCA_MD0_MODE_BYTESYNC2 0x60 #define SCA_MD0_MODE_HDLC 0x80 #define SCA_MD1_NOADDRCHK 0x00 #define SCA_MD1_SNGLADDR1 0x40 #define SCA_MD1_SNGLADDR2 0x80 #define SCA_MD1_DUALADDR 0xC0 #define SCA_MD2_DUPLEX 0x00 #define SCA_MD2_ECHO 0x01 #define SCA_MD2_LOOPBACK 0x03 #define SCA_MD2_ADPLLx8 0x00 #define SCA_MD2_ADPLLx16 0x08 #define SCA_MD2_ADPLLx32 0x10 #define SCA_MD2_NRZ 0x00 #define SCA_MD2_NRZI 0x20 #define SCA_MD2_MANCHESTER 0x80 #define SCA_MD2_FM0 0xC0 #define SCA_MD2_FM1 0xA0 #define SCA_CTL_RTS_MASK 0x01 /* control state of RTS */ #define SCA_CTL_RTS_HIGH 0x00 /* raise RTS (low !RTS) */ #define SCA_CTL_RTS_LOW 0x01 /* lower RTS (raise !RTS) */ #define SCA_CTL_IDLC_MASK 0x10 /* control idle state */ #define SCA_CTL_IDLC_MARK 0x00 /* transmit mark in idle state */ #define SCA_CTL_IDLC_PATTERN 0x10 /* tranmist idle pattern */ #define SCA_CTL_UDRNC_MASK 0x20 /* control underun state */ #define SCA_CTL_UDRNC_AFTER_ABORT 0x00 /* idle after aborting trans */ #define SCA_CTL_UDRNC_AFTER_FCS 0x20 /* idle after FCS and flag trans */ #define SCA_RXS_DIV_MASK 0x0F /* BRG divisor is 2^(value) */ #define SCA_RXS_DIV_1 0x00 /* 1 */ #define SCA_RXS_DIV_2 0x01 /* 2 */ #define SCA_RXS_DIV_4 0x02 /* 4 */ #define SCA_RXS_DIV_8 0x03 /* 8 */ #define SCA_RXS_DIV_16 0x04 /* 16 */ #define SCA_RXS_DIV_32 0x05 /* 32 */ #define SCA_RXS_DIV_64 0x06 /* 64 */ #define SCA_RXS_DIV_128 0x07 /* 128 */ #define SCA_RXS_DIV_256 0x08 /* 256 */ #define SCA_RXS_DIV_512 0x09 /* 512 */ #define SCA_RXS_CLK_MASK 0x70 /* which clock source */ #define SCA_RXS_CLK_LINE 0x00 /* RXC line input */ #define SCA_RXS_CLK_LINE_SN 0x20 /* RXC line with noise suppression */ #define SCA_RXS_CLK_INTERNAL 0x40 /* Baud Rate Gen. output */ #define SCA_RXS_CLK_ADPLL_OUT 0x60 /* BRG out for ADPLL clock */ #define SCA_RXS_CLK_ADPLL_IN 0x70 /* line input for ADPLL clock */ #define SCA_TXS_DIV_MASK 0x0F /* BRG divisor is 2^(valud) */ #define SCA_TXS_DIV_1 0x00 /* 1 */ #define SCA_TXS_DIV_2 0x01 /* 2 */ #define SCA_TXS_DIV_4 0x02 /* 4 */ #define SCA_TXS_DIV_8 0x03 /* 8 */ #define SCA_TXS_DIV_16 0x04 /* 16 */ #define SCA_TXS_DIV_32 0x05 /* 32 */ #define SCA_TXS_DIV_64 0x06 /* 64 */ #define SCA_TXS_DIV_128 0x07 /* 128 */ #define SCA_TXS_DIV_256 0x08 /* 256 */ #define SCA_TXS_DIV_512 0x09 /* 512 */ #define SCA_TXS_CLK_MASK 0x70 /* which clock source */ #define SCA_TXS_CLK_LINE 0x00 /* TXC line input */ #define SCA_TXS_CLK_INTERNAL 0x40 /* Baud Rate Gen. output */ #define SCA_TXS_CLK_RXCLK 0x60 /* Recieve clock */ #define SCA_ST0_RXRDY 0x01 #define SCA_ST0_TXRDY 0x02 #define SCA_ST0_RXINT 0x40 #define SCA_ST0_TXINT 0x80 #define SCA_ST1_IDLST 0x01 #define SCA_ST1_ABTST 0x02 #define SCA_ST1_DCDCHG 0x04 #define SCA_ST1_CTSCHG 0x08 #define SCA_ST1_FLAG 0x10 #define SCA_ST1_TXIDL 0x40 #define SCA_ST1_UDRN 0x80 /* ST2 and FST look the same */ #define SCA_FST_CRCERR 0x04 #define SCA_FST_OVRN 0x08 #define SCA_FST_RESFRM 0x10 #define SCA_FST_ABRT 0x20 #define SCA_FST_SHRT 0x40 #define SCA_FST_EOM 0x80 #define SCA_ST3_RXENA 0x01 #define SCA_ST3_TXENA 0x02 #define SCA_ST3_DCD 0x04 #define SCA_ST3_CTS 0x08 #define SCA_ST3_ADPLLSRCH 0x10 #define SCA_ST3_TXDATA 0x20 #define SCA_FIE_EOMFE 0x80 #define SCA_IE0_RXRDY 0x01 #define SCA_IE0_TXRDY 0x02 #define SCA_IE0_RXINT 0x40 #define SCA_IE0_TXINT 0x80 #define SCA_IE1_IDLDE 0x01 #define SCA_IE1_ABTDE 0x02 #define SCA_IE1_DCD 0x04 #define SCA_IE1_CTS 0x08 #define SCA_IE1_FLAG 0x10 #define SCA_IE1_IDL 0x40 #define SCA_IE1_UDRN 0x80 #define SCA_IE2_CRCERR 0x04 #define SCA_IE2_OVRN 0x08 #define SCA_IE2_RESFRM 0x10 #define SCA_IE2_ABRT 0x20 #define SCA_IE2_SHRT 0x40 #define SCA_IE2_EOM 0x80 /* * Interrupt status register bits */ #define SCA_ISR0_MSCI_RXRDY0 0x01 /* rx ready port 0 int */ #define SCA_ISR0_MSCI_TXRDY0 0x02 /* tx ready port 0 int */ #define SCA_ISR0_MSCI_RXINT0 0x04 /* rx error port 0 int */ #define SCA_ISR0_MSCI_TXINT0 0x08 /* tx error port 0 int */ #define SCA_ISR0_MSCI_RXRDY1 0x10 /* rx ready port 1 int */ #define SCA_ISR0_MSCI_TXRDY1 0x20 /* tx ready port 1 int */ #define SCA_ISR0_MSCI_RXINT1 0x40 /* rx error port 1 int */ #define SCA_ISR0_MSCI_TXINT1 0x80 /* tx error port 1 int */ #define SCA_ISR1_DMAC_RX0A 0x01 /* dmac channel 0 int a */ #define SCA_ISR1_DMAC_RX0B 0x02 /* dmac channel 0 int b */ #define SCA_ISR1_DMAC_TX0A 0x04 /* dmac channel 1 int a */ #define SCA_ISR1_DMAC_TX0B 0x08 /* dmac channel 1 int b */ #define SCA_ISR1_DMAC_RX1A 0x10 /* dmac channel 2 int a */ #define SCA_ISR1_DMAC_RX1B 0x20 /* dmac channel 2 int b */ #define SCA_ISR1_DMAC_TX1A 0x40 /* dmac channel 3 int a */ #define SCA_ISR1_DMAC_TX1B 0x80 /* dmac channel 3 int b */ #define SCA_ISR2_TIMER_IRQ0 0x10 /* timer channel 0 int */ #define SCA_ISR2_TIMER_IRQ1 0x20 /* timer channel 1 int */ #define SCA_ISR2_TIMER_IRQ2 0x40 /* timer channel 2 int */ #define SCA_ISR2_TIMER_IRQ3 0x80 /* timer channel 3 int */ /* masks/values for the Interrupt Control Register (ITCR) */ #define SCA_ITCR_INTR_PRI_MASK 0x80 /* priority of intrerrupts */ #define SCA_ITCR_INTR_PRI_MSCI 0x00 /* msci over dmac */ #define SCA_ITCR_INTR_PRI_DMAC 0x80 /* dmac over msci */ #define SCA_ITCR_ACK_MASK 0x60 /* mask for intr ack cycle setting */ #define SCA_ITCR_ACK_NONE 0x00 /* no intr ack cycle */ #define SCA_ITCR_ACK_SINGLE 0x20 /* single intr ack cycle */ #define SCA_ITCR_ACK_DOUBLE 0x40 /* double intr ack cycle */ #define SCA_ITCR_ACK_RESV 0x60 /* reserverd */ #define SCA_ITCR_VOUT_MASK 0x10 /* vector output */ #define SCA_ITCR_VOUT_IVR 0x00 /* use IVR */ #define SCA_ITCR_VOUT_IMVR 0x10 /* use IMVR */ /* * Interrupt enable register bits */ #define SCA_IER0_MSCI_RXRDY0 0x01 /* enable rx ready port 0 int */ #define SCA_IER0_MSCI_TXRDY0 0x02 /* enable tx ready port 0 int */ #define SCA_IER0_MSCI_RXINT0 0x04 /* enable rx error port 0 int */ #define SCA_IER0_MSCI_TXINT0 0x08 /* enable tx error port 0 int */ #define SCA_IER0_MSCI_RXRDY1 0x10 /* enable rx ready port 1 int */ #define SCA_IER0_MSCI_TXRDY1 0x20 /* enable tx ready port 1 int */ #define SCA_IER0_MSCI_RXINT1 0x40 /* enable rx error port 1 int */ #define SCA_IER0_MSCI_TXINT1 0x80 /* enable tx error port 1 int */ #define SCA_IER1_DMAC_RX0A 0x01 /* enable dmac channel 0 int a */ #define SCA_IER1_DMAC_RX0B 0x02 /* enable dmac channel 0 int b */ #define SCA_IER1_DMAC_TX0A 0x04 /* enable dmac channel 1 int a */ #define SCA_IER1_DMAC_TX0B 0x08 /* enable dmac channel 1 int b */ #define SCA_IER1_DMAC_RX1A 0x10 /* enable dmac channel 2 int a */ #define SCA_IER1_DMAC_RX1B 0x20 /* enable dmac channel 2 int b */ #define SCA_IER1_DMAC_TX1A 0x40 /* enable dmac channel 3 int a */ #define SCA_IER1_DMAC_TX1B 0x80 /* enable dmac channel 3 int b */ #define SCA_IER2_TIMER_IRQ0 0x10 /* enable timer channel 0 int */ #define SCA_IER2_TIMER_IRQ1 0x20 /* enable timer channel 1 int */ #define SCA_IER2_TIMER_IRQ2 0x40 /* enable timer channel 2 int */ #define SCA_IER2_TIMER_IRQ3 0x80 /* enable timer channel 3 int */ /* This is for RRC, TRC0 and TRC1. */ #define SCA_RCR_MASK 0x1F #define SCA_IE1_ #define SCA_IV_CHAN0 0x00 #define SCA_IV_CHAN1 0x20 #define SCA_IV_RXRDY 0x04 #define SCA_IV_TXRDY 0x06 #define SCA_IV_RXINT 0x08 #define SCA_IV_TXINT 0x0A #define SCA_IV_DMACH0 0x00 #define SCA_IV_DMACH1 0x08 #define SCA_IV_DMACH2 0x20 #define SCA_IV_DMACH3 0x28 #define SCA_IV_DMIA 0x14 #define SCA_IV_DMIB 0x16 #define SCA_IV_TIMER0 0x1C #define SCA_IV_TIMER1 0x1E #define SCA_IV_TIMER2 0x3C #define SCA_IV_TIMER3 0x3E /* * DMA registers */ #define SCA_DSR_EOT 0x80 #define SCA_DSR_EOM 0x40 #define SCA_DSR_BOF 0x20 #define SCA_DSR_COF 0x10 #define SCA_DSR_DE 0x02 #define SCA_DSR_DEWD 0x01 /* write DISABLE DE bit */ #define SCA_DMR_TMOD 0x10 #define SCA_DMR_NF 0x04 #define SCA_DMR_CNTE 0x02 #define SCA_DMER_EN 0x80 #define SCA_DCR_ABRT 0x01 #define SCA_DCR_FCCLR 0x02 /* Clear frame end intr counter */ #define SCA_DIR_EOT 0x80 #define SCA_DIR_EOM 0x40 #define SCA_DIR_BOF 0x20 #define SCA_DIR_COF 0x10 #define SCA_PCR_BRC 0x10 #define SCA_PCR_CCC 0x08 #define SCA_PCR_PR2 0x04 #define SCA_PCR_PR1 0x02 #define SCA_PCR_PR0 0x01 /* * Descriptor Status byte bit definitions: * * Bit Receive Status Transmit Status * ------------------------------------------------- * 7 EOM EOM * 6 Short Frame ... * 5 Abort ... * 4 Residual bit ... * 3 Overrun ... * 2 CRC ... * 1 ... ... * 0 ... EOT * ------------------------------------------------- */ #define ST_EOM 0x80 /* End of frame */ #define ST_SHRT 0x40 /* Short frame */ #define ST_ABT 0x20 /* Abort detected */ #define ST_RBIT 0x10 /* Residual bit detected */ #define ST_OVRN 0x8 /* Overrun error */ #define ST_CRCE 0x4 /* CRC Error */ #define ST_OVFL 0x1 /* Buffer OverFlow error (software defined) */ #define ST_EOT 1 /* End of transmit command */ /* DMA Status register (DSR) bit definitions */ #define DSR_EOT 0x80 /* end of transfer EOT bit */ #define DSR_EOM 0x40 /* end of frame EOM bit */ #define DSR_BOF 0x20 /* buffer overflow BOF bit */ #define DSR_COF 0x10 /* counter overflow COF bit */ #define DSR_DWE 1 /* write disable DWE bit */ /* MSCI Status register 0 bits */ #define RXRDY_BIT 1 /* RX ready */ #define TXRDY_BIT 2 /* TX ready */ #define ST3_CTS 8 /* modem input /CTS bit */ #define ST3_DCD 4 /* modem input /DCD bit */ /* * timer register values */ #define SCA_TCSR_TME 0x10 /* timer enable */ #define SCA_TCSR_ECMI 0x40 /* interrupt enable */ #define SCA_TCSR_CMF 0x80 /* timer complete */ #define SCA_TEPR_DIV_1 0x00 /* 2^(n) prescale divisor */ #define SCA_TEPR_DIV_2 0x01 #define SCA_TEPR_DIV_4 0x02 #define SCA_TEPR_DIV_8 0x03 #define SCA_TEPR_DIV_16 0x04 #define SCA_TEPR_DIV_32 0x05 #define SCA_TEPR_DIV_64 0x06 #define SCA_TEPR_DIV_128 0x06 /* TX and RX Clock Source */ #define CLK_LINE 0x00 /* TX/RX line input */ #define CLK_BRG 0x40 /* internal baud rate generator */ #define CLK_RXC 0x60 /* receive clock */ /* Clocking options */ #define CLK_INT 0 /* Internal - Baud Rate generator output */ #define CLK_EXT 1 /* External - both clocks */ #define CLK_RXCI 2 /* External - Receive Clock only */ #define CLK_EETC 3 /* EETC clock: TX = int. / RX = ext.*/ #define SCA_DMAC_OFF_0 0x00 /* offset of DMAC for port 0 */ #define SCA_DMAC_OFF_1 0x40 /* offset of DMAC for port 1 */ #define SCA_MSCI_OFF_0 0x00 /* offset of MSCI for port 0 */ #define SCA_MSCI_OFF_1 0x20 /* offset of MSCI for port 1 */ /* * DMA constraints */ #define SCA_DMA_ALIGNMENT (64 * 1024) /* 64 KB alignment */ #define SCA_DMA_BOUNDRY (16 * 1024 * 1024) /* 16 MB region */ #endif /* _DEV_IC_HD64570REG_H_ */