| #ifndef CS8900_H |
| #define CS8900_H |
| /* |
| * Cirrus Logic CS8900A Ethernet |
| * |
| * (C) 2009 Ben Warren , biggerbadderben@gmail.com |
| * Converted to use CONFIG_NET_MULTI API |
| * |
| * (C) Copyright 2002 |
| * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| * Marius Groeger <mgroeger@sysgo.de> |
| * |
| * Copyright (C) 1999 Ben Williamson <benw@pobox.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is loaded into SRAM in bootstrap mode, where it waits |
| * for commands on UART1 to read and write memory, jump to code etc. |
| * A design goal for this program is to be entirely independent of the |
| * target board. Anything with a CL-PS7111 or EP7211 should be able to run |
| * this code in bootstrap mode. All the board specifics can be handled on |
| * the host. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <asm/types.h> |
| #include <config.h> |
| |
| #define CS8900_DRIVERNAME "CS8900" |
| /* although the registers are 16 bit, they are 32-bit aligned on the |
| EDB7111. so we have to read them as 32-bit registers and ignore the |
| upper 16-bits. i'm not sure if this holds for the EDB7211. */ |
| |
| #ifdef CONFIG_CS8900_BUS16 |
| /* 16 bit aligned registers, 16 bit wide */ |
| #define CS8900_REG u16 |
| #elif defined(CONFIG_CS8900_BUS32) |
| /* 32 bit aligned registers, 16 bit wide (we ignore upper 16 bits) */ |
| #define CS8900_REG u32 |
| #else |
| #error unknown bussize ... |
| #endif |
| |
| struct cs8900_regs { |
| CS8900_REG rtdata; |
| CS8900_REG pad0; |
| CS8900_REG txcmd; |
| CS8900_REG txlen; |
| CS8900_REG isq; |
| CS8900_REG pptr; |
| CS8900_REG pdata; |
| }; |
| |
| struct cs8900_priv { |
| struct cs8900_regs *regs; |
| }; |
| |
| #define ISQ_RxEvent 0x04 |
| #define ISQ_TxEvent 0x08 |
| #define ISQ_BufEvent 0x0C |
| #define ISQ_RxMissEvent 0x10 |
| #define ISQ_TxColEvent 0x12 |
| #define ISQ_EventMask 0x3F |
| |
| /* packet page register offsets */ |
| |
| /* bus interface registers */ |
| #define PP_ChipID 0x0000 /* Chip identifier - must be 0x630E */ |
| #define PP_ChipRev 0x0002 /* Chip revision, model codes */ |
| |
| #define PP_IntReg 0x0022 /* Interrupt configuration */ |
| #define PP_IntReg_IRQ0 0x0000 /* Use INTR0 pin */ |
| #define PP_IntReg_IRQ1 0x0001 /* Use INTR1 pin */ |
| #define PP_IntReg_IRQ2 0x0002 /* Use INTR2 pin */ |
| #define PP_IntReg_IRQ3 0x0003 /* Use INTR3 pin */ |
| |
| /* status and control registers */ |
| |
| #define PP_RxCFG 0x0102 /* Receiver configuration */ |
| #define PP_RxCFG_Skip1 0x0040 /* Skip (i.e. discard) current frame */ |
| #define PP_RxCFG_Stream 0x0080 /* Enable streaming mode */ |
| #define PP_RxCFG_RxOK 0x0100 /* RxOK interrupt enable */ |
| #define PP_RxCFG_RxDMAonly 0x0200 /* Use RxDMA for all frames */ |
| #define PP_RxCFG_AutoRxDMA 0x0400 /* Select RxDMA automatically */ |
| #define PP_RxCFG_BufferCRC 0x0800 /* Include CRC characters in frame */ |
| #define PP_RxCFG_CRC 0x1000 /* Enable interrupt on CRC error */ |
| #define PP_RxCFG_RUNT 0x2000 /* Enable interrupt on RUNT frames */ |
| #define PP_RxCFG_EXTRA 0x4000 /* Enable interrupt on frames with extra data */ |
| |
| #define PP_RxCTL 0x0104 /* Receiver control */ |
| #define PP_RxCTL_IAHash 0x0040 /* Accept frames that match hash */ |
| #define PP_RxCTL_Promiscuous 0x0080 /* Accept any frame */ |
| #define PP_RxCTL_RxOK 0x0100 /* Accept well formed frames */ |
| #define PP_RxCTL_Multicast 0x0200 /* Accept multicast frames */ |
| #define PP_RxCTL_IA 0x0400 /* Accept frame that matches IA */ |
| #define PP_RxCTL_Broadcast 0x0800 /* Accept broadcast frames */ |
| #define PP_RxCTL_CRC 0x1000 /* Accept frames with bad CRC */ |
| #define PP_RxCTL_RUNT 0x2000 /* Accept runt frames */ |
| #define PP_RxCTL_EXTRA 0x4000 /* Accept frames that are too long */ |
| |
| #define PP_TxCFG 0x0106 /* Transmit configuration */ |
| #define PP_TxCFG_CRS 0x0040 /* Enable interrupt on loss of carrier */ |
| #define PP_TxCFG_SQE 0x0080 /* Enable interrupt on Signal Quality Error */ |
| #define PP_TxCFG_TxOK 0x0100 /* Enable interrupt on successful xmits */ |
| #define PP_TxCFG_Late 0x0200 /* Enable interrupt on "out of window" */ |
| #define PP_TxCFG_Jabber 0x0400 /* Enable interrupt on jabber detect */ |
| #define PP_TxCFG_Collision 0x0800 /* Enable interrupt if collision */ |
| #define PP_TxCFG_16Collisions 0x8000 /* Enable interrupt if > 16 collisions */ |
| |
| #define PP_TxCmd 0x0108 /* Transmit command status */ |
| #define PP_TxCmd_TxStart_5 0x0000 /* Start after 5 bytes in buffer */ |
| #define PP_TxCmd_TxStart_381 0x0040 /* Start after 381 bytes in buffer */ |
| #define PP_TxCmd_TxStart_1021 0x0080 /* Start after 1021 bytes in buffer */ |
| #define PP_TxCmd_TxStart_Full 0x00C0 /* Start after all bytes loaded */ |
| #define PP_TxCmd_Force 0x0100 /* Discard any pending packets */ |
| #define PP_TxCmd_OneCollision 0x0200 /* Abort after a single collision */ |
| #define PP_TxCmd_NoCRC 0x1000 /* Do not add CRC */ |
| #define PP_TxCmd_NoPad 0x2000 /* Do not pad short packets */ |
| |
| #define PP_BufCFG 0x010A /* Buffer configuration */ |
| #define PP_BufCFG_SWI 0x0040 /* Force interrupt via software */ |
| #define PP_BufCFG_RxDMA 0x0080 /* Enable interrupt on Rx DMA */ |
| #define PP_BufCFG_TxRDY 0x0100 /* Enable interrupt when ready for Tx */ |
| #define PP_BufCFG_TxUE 0x0200 /* Enable interrupt in Tx underrun */ |
| #define PP_BufCFG_RxMiss 0x0400 /* Enable interrupt on missed Rx packets */ |
| #define PP_BufCFG_Rx128 0x0800 /* Enable Rx interrupt after 128 bytes */ |
| #define PP_BufCFG_TxCol 0x1000 /* Enable int on Tx collision ctr overflow */ |
| #define PP_BufCFG_Miss 0x2000 /* Enable int on Rx miss ctr overflow */ |
| #define PP_BufCFG_RxDest 0x8000 /* Enable int on Rx dest addr match */ |
| |
| #define PP_LineCTL 0x0112 /* Line control */ |
| #define PP_LineCTL_Rx 0x0040 /* Enable receiver */ |
| #define PP_LineCTL_Tx 0x0080 /* Enable transmitter */ |
| #define PP_LineCTL_AUIonly 0x0100 /* AUI interface only */ |
| #define PP_LineCTL_AutoAUI10BT 0x0200 /* Autodetect AUI or 10BaseT interface */ |
| #define PP_LineCTL_ModBackoffE 0x0800 /* Enable modified backoff algorithm */ |
| #define PP_LineCTL_PolarityDis 0x1000 /* Disable Rx polarity autodetect */ |
| #define PP_LineCTL_2partDefDis 0x2000 /* Disable two-part defferal */ |
| #define PP_LineCTL_LoRxSquelch 0x4000 /* Reduce receiver squelch threshold */ |
| |
| #define PP_SelfCTL 0x0114 /* Chip self control */ |
| #define PP_SelfCTL_Reset 0x0040 /* Self-clearing reset */ |
| #define PP_SelfCTL_SWSuspend 0x0100 /* Initiate suspend mode */ |
| #define PP_SelfCTL_HWSleepE 0x0200 /* Enable SLEEP input */ |
| #define PP_SelfCTL_HWStandbyE 0x0400 /* Enable standby mode */ |
| #define PP_SelfCTL_HC0E 0x1000 /* use HCB0 for LINK LED */ |
| #define PP_SelfCTL_HC1E 0x2000 /* use HCB1 for BSTATUS LED */ |
| #define PP_SelfCTL_HCB0 0x4000 /* control LINK LED if HC0E set */ |
| #define PP_SelfCTL_HCB1 0x8000 /* control BSTATUS LED if HC1E set */ |
| |
| #define PP_BusCTL 0x0116 /* Bus control */ |
| #define PP_BusCTL_ResetRxDMA 0x0040 /* Reset RxDMA pointer */ |
| #define PP_BusCTL_DMAextend 0x0100 /* Extend DMA cycle */ |
| #define PP_BusCTL_UseSA 0x0200 /* Assert MEMCS16 on address decode */ |
| #define PP_BusCTL_MemoryE 0x0400 /* Enable memory mode */ |
| #define PP_BusCTL_DMAburst 0x0800 /* Limit DMA access burst */ |
| #define PP_BusCTL_IOCHRDYE 0x1000 /* Set IOCHRDY high impedence */ |
| #define PP_BusCTL_RxDMAsize 0x2000 /* Set DMA buffer size 64KB */ |
| #define PP_BusCTL_EnableIRQ 0x8000 /* Generate interrupt on interrupt event */ |
| |
| #define PP_TestCTL 0x0118 /* Test control */ |
| #define PP_TestCTL_DisableLT 0x0080 /* Disable link status */ |
| #define PP_TestCTL_ENDECloop 0x0200 /* Internal loopback */ |
| #define PP_TestCTL_AUIloop 0x0400 /* AUI loopback */ |
| #define PP_TestCTL_DisBackoff 0x0800 /* Disable backoff algorithm */ |
| #define PP_TestCTL_FDX 0x4000 /* Enable full duplex mode */ |
| |
| #define PP_ISQ 0x0120 /* Interrupt Status Queue */ |
| |
| #define PP_RER 0x0124 /* Receive event */ |
| #define PP_RER_IAHash 0x0040 /* Frame hash match */ |
| #define PP_RER_Dribble 0x0080 /* Frame had 1-7 extra bits after last byte */ |
| #define PP_RER_RxOK 0x0100 /* Frame received with no errors */ |
| #define PP_RER_Hashed 0x0200 /* Frame address hashed OK */ |
| #define PP_RER_IA 0x0400 /* Frame address matched IA */ |
| #define PP_RER_Broadcast 0x0800 /* Broadcast frame */ |
| #define PP_RER_CRC 0x1000 /* Frame had CRC error */ |
| #define PP_RER_RUNT 0x2000 /* Runt frame */ |
| #define PP_RER_EXTRA 0x4000 /* Frame was too long */ |
| |
| #define PP_TER 0x0128 /* Transmit event */ |
| #define PP_TER_CRS 0x0040 /* Carrier lost */ |
| #define PP_TER_SQE 0x0080 /* Signal Quality Error */ |
| #define PP_TER_TxOK 0x0100 /* Packet sent without error */ |
| #define PP_TER_Late 0x0200 /* Out of window */ |
| #define PP_TER_Jabber 0x0400 /* Stuck transmit? */ |
| #define PP_TER_NumCollisions 0x7800 /* Number of collisions */ |
| #define PP_TER_16Collisions 0x8000 /* > 16 collisions */ |
| |
| #define PP_BER 0x012C /* Buffer event */ |
| #define PP_BER_SWint 0x0040 /* Software interrupt */ |
| #define PP_BER_RxDMAFrame 0x0080 /* Received framed DMAed */ |
| #define PP_BER_Rdy4Tx 0x0100 /* Ready for transmission */ |
| #define PP_BER_TxUnderrun 0x0200 /* Transmit underrun */ |
| #define PP_BER_RxMiss 0x0400 /* Received frame missed */ |
| #define PP_BER_Rx128 0x0800 /* 128 bytes received */ |
| #define PP_BER_RxDest 0x8000 /* Received framed passed address filter */ |
| |
| #define PP_RxMiss 0x0130 /* Receiver miss counter */ |
| |
| #define PP_TxCol 0x0132 /* Transmit collision counter */ |
| |
| #define PP_LineSTAT 0x0134 /* Line status */ |
| #define PP_LineSTAT_LinkOK 0x0080 /* Line is connected and working */ |
| #define PP_LineSTAT_AUI 0x0100 /* Connected via AUI */ |
| #define PP_LineSTAT_10BT 0x0200 /* Connected via twisted pair */ |
| #define PP_LineSTAT_Polarity 0x1000 /* Line polarity OK (10BT only) */ |
| #define PP_LineSTAT_CRS 0x4000 /* Frame being received */ |
| |
| #define PP_SelfSTAT 0x0136 /* Chip self status */ |
| #define PP_SelfSTAT_33VActive 0x0040 /* supply voltage is 3.3V */ |
| #define PP_SelfSTAT_InitD 0x0080 /* Chip initialization complete */ |
| #define PP_SelfSTAT_SIBSY 0x0100 /* EEPROM is busy */ |
| #define PP_SelfSTAT_EEPROM 0x0200 /* EEPROM present */ |
| #define PP_SelfSTAT_EEPROM_OK 0x0400 /* EEPROM checks out */ |
| #define PP_SelfSTAT_ELPresent 0x0800 /* External address latch logic available */ |
| #define PP_SelfSTAT_EEsize 0x1000 /* Size of EEPROM */ |
| |
| #define PP_BusSTAT 0x0138 /* Bus status */ |
| #define PP_BusSTAT_TxBid 0x0080 /* Tx error */ |
| #define PP_BusSTAT_TxRDY 0x0100 /* Ready for Tx data */ |
| |
| #define PP_TDR 0x013C /* AUI Time Domain Reflectometer */ |
| |
| /* initiate transmit registers */ |
| |
| #define PP_TxCommand 0x0144 /* Tx Command */ |
| #define PP_TxLength 0x0146 /* Tx Length */ |
| |
| |
| /* address filter registers */ |
| |
| #define PP_LAF 0x0150 /* Logical address filter (6 bytes) */ |
| #define PP_IA 0x0158 /* Individual address (MAC) */ |
| |
| /* EEPROM Kram */ |
| #define SI_BUSY 0x0100 |
| #define PP_EECMD 0x0040 /* NVR Interface Command register */ |
| #define PP_EEData 0x0042 /* NVR Interface Data Register */ |
| #define EEPROM_WRITE_EN 0x00F0 |
| #define EEPROM_WRITE_DIS 0x0000 |
| #define EEPROM_WRITE_CMD 0x0100 |
| #define EEPROM_READ_CMD 0x0200 |
| #define EEPROM_ERASE_CMD 0x0300 |
| |
| /* Exported functions */ |
| int cs8900_e2prom_read(struct eth_device *dev, uchar, ushort *); |
| int cs8900_e2prom_write(struct eth_device *dev, uchar, ushort); |
| |
| #endif /* CS8900_H */ |
