Commit c1761eea authored by Mike Frysinger's avatar Mike Frysinger Committed by Wolfgang Denk
Browse files

net: s3c4510b_eth: drop unused !NET_MULTI driver



No boards appear to use this driver, and it doesn't support NET_MULTI,
so punt the old driver.
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 8b710b16
......@@ -66,7 +66,6 @@ COBJS-$(CONFIG_PLB2800_ETHER) += plb2800_eth.o
COBJS-$(CONFIG_DRIVER_RTL8019) += rtl8019.o
COBJS-$(CONFIG_RTL8139) += rtl8139.o
COBJS-$(CONFIG_RTL8169) += rtl8169.o
COBJS-$(CONFIG_DRIVER_S3C4510_ETH) += s3c4510b_eth.o
COBJS-$(CONFIG_SH_ETHER) += sh_eth.o
COBJS-$(CONFIG_SMC91111) += smc91111.o
COBJS-$(CONFIG_SMC911X) += smc911x.o
......
/***********************************************************************
*
* Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
* Curt Brune <curt@cucy.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Description: Ethernet interface for Samsung S3C4510B SoC
*/
#include <common.h>
#include <command.h>
#include <net.h>
#include <asm/hardware.h>
#include "s3c4510b_eth.h"
static TX_FrameDescriptor txFDbase[ETH_MaxTxFrames];
static MACFrame txFrameBase[ETH_MaxTxFrames];
static RX_FrameDescriptor rxFDbase[PKTBUFSRX];
static ETH m_eth;
static s32 TxFDinit( ETH *eth) {
s32 i;
MACFrame *txFrmBase;
/* disable cache for access to the TX buffers */
txFrmBase = (MACFrame *)( (u32)txFrameBase | CACHE_DISABLE_MASK);
/* store start of Tx descriptors and set current */
eth->m_curTX_FD = (TX_FrameDescriptor *) ((u32)txFDbase | CACHE_DISABLE_MASK);
eth->m_baseTX_FD = eth->m_curTX_FD;
for ( i = 0; i < ETH_MaxTxFrames; i++) {
eth->m_baseTX_FD[i].m_frameDataPtr.bf.dataPtr = (u32)&txFrmBase[i];
eth->m_baseTX_FD[i].m_frameDataPtr.bf.owner = 0x0; /* CPU owner */
eth->m_baseTX_FD[i].m_opt.ui = 0x0;
eth->m_baseTX_FD[i].m_status.ui = 0x0;
eth->m_baseTX_FD[i].m_nextFD = &eth->m_baseTX_FD[i+1];
}
/* make the list circular */
eth->m_baseTX_FD[i-1].m_nextFD = &eth->m_baseTX_FD[0];
PUT_REG( REG_BDMATXPTR, (u32)eth->m_curTX_FD);
return 0;
}
static s32 RxFDinit( ETH *eth) {
s32 i;
/* MACFrame *rxFrmBase; */
/* disable cache for access to the RX buffers */
/* rxFrmBase = (MACFrame *)( (u32)rxFrameBase | CACHE_DISABLE_MASK); */
/* store start of Rx descriptors and set current */
eth->m_curRX_FD = (RX_FrameDescriptor *)((u32)rxFDbase | CACHE_DISABLE_MASK);
eth->m_baseRX_FD = eth->m_curRX_FD;
for ( i = 0; i < PKTBUFSRX; i++) {
eth->m_baseRX_FD[i].m_frameDataPtr.bf.dataPtr = (u32)NetRxPackets[i] | CACHE_DISABLE_MASK;
eth->m_baseRX_FD[i].m_frameDataPtr.bf.owner = 0x1; /* BDMA owner */
eth->m_baseRX_FD[i].m_reserved = 0x0;
eth->m_baseRX_FD[i].m_status.ui = 0x0;
eth->m_baseRX_FD[i].m_nextFD = &eth->m_baseRX_FD[i+1];
}
/* make the list circular */
eth->m_baseRX_FD[i-1].m_nextFD = &eth->m_baseRX_FD[0];
PUT_REG( REG_BDMARXPTR, (u32)eth->m_curRX_FD);
return 0;
}
/*
* Public u-boot interface functions below
*/
int eth_init(bd_t *bis)
{
ETH *eth = &m_eth;
/* store our MAC address */
eth_getenv_enetaddr("ethaddr", eth->m_mac);
/* setup DBMA and MAC */
PUT_REG( REG_BDMARXCON, ETH_BRxRS); /* reset BDMA RX machine */
PUT_REG( REG_BDMATXCON, ETH_BTxRS); /* reset BDMA TX machine */
PUT_REG( REG_MACCON , ETH_SwReset); /* reset MAC machine */
PUT_REG( REG_BDMARXLSZ, sizeof(MACFrame));
PUT_REG( REG_MACCON , 0); /* reset MAC machine */
/* init frame descriptors */
TxFDinit( eth);
RxFDinit( eth);
/* init the CAM with our MAC address */
PUT_REG( REG_CAM_BASE, (eth->m_mac[0] << 24) |
(eth->m_mac[1] << 16) |
(eth->m_mac[2] << 8) |
(eth->m_mac[3]));
PUT_REG( REG_CAM_BASE + 0x4, (eth->m_mac[4] << 24) |
(eth->m_mac[5] << 16));
/* enable CAM address 1 -- the MAC we just loaded */
PUT_REG( REG_CAMEN, 0x1);
PUT_REG( REG_CAMCON,
ETH_BroadAcc | /* accept broadcast packetes */
ETH_CompEn); /* enable compare mode (check against the CAM) */
/* configure the BDMA Transmitter control */
PUT_REG( REG_BDMATXCON,
ETH_BTxBRST | /* BDMA Tx burst size 16 words */
ETH_BTxMSL110 | /* BDMA Tx wait to fill 6/8 of the BDMA */
ETH_BTxSTSKO | /* BDMA Tx interrupt(Stop) on non-owner TX FD */
ETH_BTxEn); /* BDMA Tx Enable */
/* configure the MAC Transmitter control */
PUT_REG( REG_MACTXCON,
ETH_EnComp | /* interrupt when the MAC transmits or discards packet */
ETH_TxEn); /* MAC transmit enable */
/* configure the BDMA Receiver control */
PUT_REG( REG_BDMARXCON,
ETH_BRxBRST | /* BDMA Rx Burst Size 16 words */
ETH_BRxSTSKO | /* BDMA Rx interrupt(Stop) on non-owner RX FD */
ETH_BRxMAINC | /* BDMA Rx Memory Address increment */
ETH_BRxDIE | /* BDMA Rx Every Received Frame Interrupt Enable */
ETH_BRxNLIE | /* BDMA Rx NULL List Interrupt Enable */
ETH_BRxNOIE | /* BDMA Rx Not Owner Interrupt Enable */
ETH_BRxLittle | /* BDMA Rx Little endian */
ETH_BRxEn); /* BDMA Rx Enable */
/* configure the MAC Receiver control */
PUT_REG( REG_MACRXCON,
ETH_RxEn); /* MAC ETH_RxEn */
return 0;
}
/* Send a packet */
s32 eth_send(volatile void *packet, s32 length)
{
u32 i;
ETH *eth = &m_eth;
if ( eth->m_curTX_FD->m_frameDataPtr.bf.owner) {
printf("eth_send(): TX Frame. CPU not owner.\n");
return -1;
}
/* copy user data into frame data pointer */
memcpy((void *)((u32)(eth->m_curTX_FD->m_frameDataPtr.bf.dataPtr)),
(void *)packet,
length);
/* Set TX Frame flags */
eth->m_curTX_FD->m_opt.bf.widgetAlign = 0;
eth->m_curTX_FD->m_opt.bf.frameDataDir = 1;
eth->m_curTX_FD->m_opt.bf.littleEndian = 1;
eth->m_curTX_FD->m_opt.bf.macTxIrqEnbl = 1;
eth->m_curTX_FD->m_opt.bf.no_crc = 0;
eth->m_curTX_FD->m_opt.bf.no_padding = 0;
/* Set TX Frame length */
eth->m_curTX_FD->m_status.bf.len = length;
/* Change ownership to BDMA */
eth->m_curTX_FD->m_frameDataPtr.bf.owner = 1;
/* Enable MAC and BDMA Tx control register */
SET_REG( REG_BDMATXCON, ETH_BTxEn);
SET_REG( REG_MACTXCON, ETH_TxEn);
/* poll on TX completion status */
while ( !eth->m_curTX_FD->m_status.bf.complete) {
/* sleep */
for ( i = 0; i < 0x10000; i ++);
}
/* Change the Tx frame descriptor for next use */
eth->m_curTX_FD = eth->m_curTX_FD->m_nextFD;
return 0;
}
/* Check for received packets */
s32 eth_rx (void)
{
s32 nLen = 0;
ETH *eth = &m_eth;
/* check if packet ready */
if ( (GET_REG( REG_BDMASTAT)) & ETH_S_BRxRDF) {
/* process all waiting packets */
while ( !eth->m_curRX_FD->m_frameDataPtr.bf.owner) {
nLen = eth->m_curRX_FD->m_status.bf.len;
/* call back u-boot -- may call eth_send() */
NetReceive ((u8 *)eth->m_curRX_FD->m_frameDataPtr.ui, nLen);
/* set owner back to CPU */
eth->m_curRX_FD->m_frameDataPtr.bf.owner = 1;
/* clear status */
eth->m_curRX_FD->m_status.ui = 0x0;
/* advance to next descriptor */
eth->m_curRX_FD = eth->m_curRX_FD->m_nextFD;
/* clear received frame bit */
PUT_REG( REG_BDMASTAT, ETH_S_BRxRDF);
}
}
return nLen;
}
/* Halt ethernet engine */
void eth_halt(void)
{
/* disable MAC */
PUT_REG( REG_MACCON, ETH_HaltReg);
}
#ifndef __S3C4510B_ETH_H
#define __S3C4510B_ETH_H
/*
* Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
* Curt Brune <curt@cucy.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* MODULE: $Id:$
* Description: Ethernet interface
* Runtime Env: ARM7TDMI
* Change History:
* 03-02-04 Create (Curt Brune) curt@cucy.com
*
*/
#define ETH_MAC_ADDR_SIZE (6) /* dst,src addr is 6bytes each */
#define ETH_MaxTxFrames (16) /* Max number of Tx Frames */
/* Buffered DMA Receiver Control Register */
#define ETH_BRxBRST 0x0000F /* BDMA Rx Burst Size * BRxBRST */
/* = Burst Data Size 16 */
#define ETH_BRxSTSKO 0x00020 /* BDMA Rx Stop/Skip Frame or Interrupt(=1) */
/* case of not OWNER the current Frame */
#define ETH_BRxMAINC 0x00040 /* BDMA Rx Memory Address Inc/Dec */
#define ETH_BRxDIE 0x00080 /* BDMA Rx Every Received Frame Interrupt Enable */
#define ETH_BRxNLIE 0x00100 /* BDMA Rx NULL List Interrupt Enable */
#define ETH_BRxNOIE 0x00200 /* BDMA Rx Not Owner Interrupt Enable */
#define ETH_BRxMSOIE 0x00400 /* BDMA Rx Maximum Size over Interrupr Enable */
#define ETH_BRxLittle 0x00800 /* BDMA Rx Big/Little Endian */
#define ETH_BRxBig 0x00000 /* BDMA Rx Big/Little Endian */
#define ETH_BRxWA01 0x01000 /* BDMA Rx Word Alignment- one invalid byte */
#define ETH_BRxWA10 0x02000 /* BDMA Rx Word Alignment- two invalid byte */
#define ETH_BRxWA11 0x03000 /* BDMA Rx Word Alignment- three invalid byte */
#define ETH_BRxEn 0x04000 /* BDMA Rx Enable */
#define ETH_BRxRS 0x08000 /* BDMA Rx Reset */
#define ETH_RxEmpty 0x10000 /* BDMA Rx Buffer empty interrupt */
#define ETH_BRxEarly 0x20000 /* BDMA Rx Early notify Interrupt */
/* Buffered DMA Trasmit Control Register(BDMATXCON) */
#define ETH_BTxBRST 0x0000F /* BDMA Tx Burst Size = 16 */
#define ETH_BTxSTSKO 0x00020 /* BDMA Tx Stop/Skip Frame or Interrupt in case */
/* of not Owner the current frame */
#define ETH_BTxCPIE 0x00080 /* BDMA Tx Complete to send control */
/* packet Enable */
#define ETH_BTxNOIE 0x00200 /* BDMA Tx Buffer Not Owner */
#define ETH_BTxEmpty 0x00400 /* BDMA Tx Buffer Empty Interrupt */
/* BDMA Tx buffer can be moved to the MAC Tx IO when the new frame comes in. */
#define ETH_BTxMSL000 0x00000 /* No wait to fill the BDMA */
#define ETH_BTxMSL001 0x00800 /* wait to fill 1/8 of the BDMA */
#define ETH_BTxMSL010 0x01000 /* wait to fill 2/8 of the BDMA */
#define ETH_BTxMSL011 0x01800 /* wait to fill 3/8 of the BDMA */
#define ETH_BTxMSL100 0x02000 /* wait to fill 4/8 of the BDMA */
#define ETH_BTxMSL101 0x02800 /* wait to fill 5/8 of the BDMA */
#define ETH_BTxMSL110 0x03000 /* wait to fill 6/8 of the BDMA */
#define ETH_BTxMSL111 0x03800 /* wait to fill 7/8 of the BDMA */
#define ETH_BTxEn 0x04000 /* BDMA Tx Enable */
#define ETH_BTxRS 0x08000 /* BDMA Tx Reset */
/* BDMA Status Register */
#define ETH_S_BRxRDF 0x00001 /* BDMA Rx Done Every Received Frame */
#define ETH_S_BRxNL 0x00002 /* BDMA Rx NULL List */
#define ETH_S_BRxNO 0x00004 /* BDMA Rx Not Owner */
#define ETH_S_BRxMSO 0x00008 /* BDMA Rx Maximum Size Over */
#define ETH_S_BRxEmpty 0x00010 /* BDMA Rx Buffer Empty */
#define ETH_S_BRxSEarly 0x00020 /* Early Notify */
#define ETH_S_BRxFRF 0x00080 /* One more frame data in BDMA receive buffer */
#define ETH_S_BTxCCP 0x10000 /* BDMA Tx Complete to send Control Packet */
#define ETH_S_BTxNL 0x20000 /* BDMA Tx Null List */
#define ETH_S_BTxNO 0x40000 /* BDMA Tx Not Owner */
#define ETH_S_BTxEmpty 0x100000 /* BDMA Tx Buffer Empty */
/* MAC Control Register */
#define ETH_HaltReg 0x0001 /* stop transmission and reception */
/* after completion of any current packets */
#define ETH_HaltImm 0x0002 /* Stop transmission and reception immediately */
#define ETH_SwReset 0x0004 /* reset all Ethernet controller state machines */
/* and FIFOs */
#define ETH_FullDup 0x0008 /* allow transmission to begin while reception */
/* is occurring */
#define ETH_MACLoop 0x0010 /* MAC loopback */
#define ETH_ConnM00 0x0000 /* Automatic-default */
#define ETH_ConnM01 0x0020 /* Force 10Mbits endec */
#define ETH_ConnM10 0x0040 /* Force MII (rate determined by MII clock */
#define ETH_MIIOFF 0x0040 /* Force MII (rate determined by MII clock */
#define ETH_Loop10 0x0080 /* Loop 10Mbps */
#define ETH_MissRoll 0x0400 /* Missed error counter rolled over */
#define ETH_MDCOFF 0x1000 /* MII Station Management Clock Off */
#define ETH_EnMissRoll 0x2000 /* Interrupt when missed error counter rolls */
/* over */
#define ETH_Link10 0x8000 /* Link status 10Mbps */
/* CAM control register(CAMCON) */
#define ETH_StationAcc 0x0001 /* Accept any packet with a unicast station */
/* address */
#define ETH_GroupAcc 0x0002 /* Accept any packet with multicast-group */
/* station address */
#define ETH_BroadAcc 0x0004 /* Accept any packet with a broadcast station */
/* address */
#define ETH_NegCAM 0x0008 /* 0: Accept packets CAM recognizes, */
/* reject others */
/* 1: reject packets CAM recognizes, */
/* accept others */
#define ETH_CompEn 0x0010 /* Compare Enable mode */
/* Transmit Control Register(MACTXCON) */
#define ETH_TxEn 0x0001 /* transmit Enable */
#define ETH_TxHalt 0x0002 /* Transmit Halt Request */
#define ETH_NoPad 0x0004 /* suppress Padding */
#define ETH_NoCRC 0x0008 /* Suppress CRC */
#define ETH_FBack 0x0010 /* Fast Back-off */
#define ETH_NoDef 0x0020 /* Disable the defer counter */
#define ETH_SdPause 0x0040 /* Send Pause */
#define ETH_MII10En 0x0080 /* MII 10Mbps mode enable */
#define ETH_EnUnder 0x0100 /* Enable Underrun */
#define ETH_EnDefer 0x0200 /* Enable Deferral */
#define ETH_EnNCarr 0x0400 /* Enable No Carrier */
#define ETH_EnExColl 0x0800 /* interrupt if 16 collision occur */
/* in the same packet */
#define ETH_EnLateColl 0x1000 /* interrupt if collision occurs after */
/* 512 bit times(64 bytes times) */
#define ETH_EnTxPar 0x2000 /* interrupt if the MAC transmit FIFO */
/* has a parity error */
#define ETH_EnComp 0x4000 /* interrupt when the MAC transmits or */
/* discards one packet */
/* Transmit Status Register(MACTXSTAT) */
#define ETH_ExColl 0x0010 /* Excessive collision */
#define ETH_TxDeffered 0x0020 /* set if 16 collisions occur for same packet */
#define ETH_Paused 0x0040 /* packet waited because of pause during */
/* transmission */
#define ETH_IntTx 0x0080 /* set if transmission of packet causes an */
/* interrupt condiftion */
#define ETH_Under 0x0100 /* MAC transmit FIFO becomes empty during */
/* transmission */
#define ETH_Defer 0x0200 /* MAC defers for MAC deferral */
#define ETH_NCarr 0x0400 /* No carrier sense detected during the */
/* transmission of a packet */
#define ETH_SQE 0x0800 /* Signal Quality Error */
#define ETH_LateColl 0x1000 /* a collision occures after 512 bit times */
#define ETH_TxPar 0x2000 /* MAC transmit FIFO has detected a parity error */
#define ETH_Comp 0x4000 /* MAC transmit or discards one packet */
#define ETH_TxHalted 0x8000 /* Transmission was halted by clearing */
/* TxEn or Halt immedite */
/* Receive Control Register (MACRXCON) */
#define ETH_RxEn 0x0001
#define ETH_RxHalt 0x0002
#define ETH_LongEn 0x0004
#define ETH_ShortEn 0x0008
#define ETH_StripCRC 0x0010
#define ETH_PassCtl 0x0020
#define ETH_IgnoreCRC 0x0040
#define ETH_EnAlign 0x0100
#define ETH_EnCRCErr 0x0200
#define ETH_EnOver 0x0400
#define ETH_EnLongErr 0x0800
#define ETH_EnRxPar 0x2000
#define ETH_EnGood 0x4000
/* Receive Status Register(MACRXSTAT) */
#define ETH_MCtlRecd 0x0020
#define ETH_MIntRx 0x0040
#define ETH_MRx10Stat 0x0080
#define ETH_MAllignErr 0x0100
#define ETH_MCRCErr 0x0200
#define ETH_MOverflow 0x0400
#define ETH_MLongErr 0x0800
#define ETH_MRxPar 0x2000
#define ETH_MRxGood 0x4000
#define ETH_MRxHalted 0x8000
/* type of ethernet packets */
#define ETH_TYPE_ARP (0x0806)
#define ETH_TYPE_IP (0x0800)
#define ETH_HDR_SIZE (14)
/* bit field for frame data pointer word */
typedef struct __BF_FrameDataPtr {
u32 dataPtr:31;
u32 owner: 1;
} BF_FrameDataPtr;
typedef union _FrameDataPtr {
u32 ui;
BF_FrameDataPtr bf;
} FrameDataPtr;
typedef struct __BF_TX_Options {
u32 no_padding: 1;
u32 no_crc: 1;
u32 macTxIrqEnbl: 1;
u32 littleEndian: 1;
u32 frameDataDir: 1;
u32 widgetAlign: 2;
u32 reserved:25;
} BF_TX_Options;
typedef union _TX_Options {
u32 ui;
BF_TX_Options bf;
} TX_Options;
typedef struct __BF_RX_Status {
u32 len:16; /* frame length */
u32 reserved1: 3;
u32 overMax: 1;
u32 reserved2: 1;
u32 ctrlRcv: 1;
u32 intRx: 1;
u32 rx10stat: 1;
u32 alignErr: 1;
u32 crcErr: 1;
u32 overFlow: 1;
u32 longErr: 1;
u32 reserved3: 1;
u32 parityErr: 1;
u32 good: 1;
u32 halted: 1;
} BF_RX_Status;
typedef union _RX_Status {
u32 ui;
BF_RX_Status bf;
} RX_Status;
typedef struct __BF_TX_Status {
u32 len:16; /* frame length */
u32 txCollCnt: 4;
u32 exColl: 1;
u32 txDefer: 1;
u32 paused: 1;
u32 intTx: 1;
u32 underRun: 1;
u32 defer: 1;
u32 noCarrier: 1;
u32 SQErr: 1;
u32 lateColl: 1;
u32 parityErr: 1;
u32 complete: 1;
u32 halted: 1;
} BF_TX_Status;
typedef union _TX_Status {
u32 ui;
BF_TX_Status bf;
} TX_Status;
/* TX descriptor structure */
typedef struct __TX_FrameDescriptor {
volatile FrameDataPtr m_frameDataPtr;
TX_Options m_opt;
volatile TX_Status m_status;
struct __TX_FrameDescriptor *m_nextFD;
} TX_FrameDescriptor;
/* RX descriptor structure */
typedef struct __RX_FrameDescriptor {
volatile FrameDataPtr m_frameDataPtr;
u32 m_reserved;
volatile RX_Status m_status;
struct __RX_FrameDescriptor *m_nextFD;
} RX_FrameDescriptor;
/* MAC Frame Structure */
struct __MACFrame {
u8 m_dstAddr[6];
u8 m_srcAddr[6];
u16 m_lengthOrType;
u8 m_payload[1506];
} __attribute__ ((packed));
typedef struct __MACFrame MACFrame;
/* Ethernet Control block */
typedef struct __ETH {
TX_FrameDescriptor *m_curTX_FD; /* pointer to current TX frame descriptor */
TX_FrameDescriptor *m_baseTX_FD; /* pointer to base TX frame descriptor */
RX_FrameDescriptor *m_curRX_FD; /* pointer to current RX frame descriptor */
RX_FrameDescriptor *m_baseRX_FD; /* pointer to base RX frame descriptor */
u8 m_mac[6]; /* pointer to our MAC address */
} ETH;
#endif
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