net: drop !NET_MULTI ns7520 driver
This driver was never converted to NET_MULTI, and no board uses it. So punt it and be done. Signed-off-by: Mike Frysinger <vapier@gentoo.org>utp
Mike Frysinger
Wolfgang Denk
parent
029cf6b4b2
commit
d90f0c107b
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@ -61,7 +61,6 @@ COBJS-$(CONFIG_DRIVER_NE2000) += ne2000.o ne2000_base.o
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COBJS-$(CONFIG_DRIVER_AX88796L) += ax88796.o ne2000_base.o
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COBJS-$(CONFIG_DRIVER_NETARMETH) += netarm_eth.o
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COBJS-$(CONFIG_NETCONSOLE) += netconsole.o
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COBJS-$(CONFIG_DRIVER_NS7520_ETHERNET) += ns7520_eth.o
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COBJS-$(CONFIG_NS8382X) += ns8382x.o
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COBJS-$(CONFIG_DRIVER_NS9750_ETHERNET) += ns9750_eth.o
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COBJS-$(CONFIG_PCNET) += pcnet.o
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@ -1,850 +0,0 @@
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/***********************************************************************
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*
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* Copyright (C) 2005 by Videon Central, Inc.
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*
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* $Id$
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* @Author: Arthur Shipkowski
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* @Descr: Ethernet driver for the NS7520. Uses polled Ethernet, like
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* the older netarmeth driver. Note that attempting to filter
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* broadcast and multicast out in the SAFR register will cause
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* bad things due to released errata.
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* @References: [1] NS7520 Hardware Reference, December 2003
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* [2] Intel LXT971 Datasheet #249414 Rev. 02
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*
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***********************************************************************/
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#include <common.h>
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#include <net.h> /* NetSendPacket */
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#include <asm/arch/netarm_registers.h>
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#include <asm/arch/netarm_dma_module.h>
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#include "ns7520_eth.h" /* for Ethernet and PHY */
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/**
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* Send an error message to the terminal.
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*/
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#define ERROR(x) \
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do { \
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char *__foo = strrchr(__FILE__, '/'); \
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\
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printf("%s: %d: %s(): ", (__foo == NULL ? __FILE__ : (__foo + 1)), \
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__LINE__, __FUNCTION__); \
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printf x; printf("\n"); \
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} while (0);
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/* some definition to make transistion to linux easier */
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#define NS7520_DRIVER_NAME "eth"
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#define KERN_WARNING "Warning:"
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#define KERN_ERR "Error:"
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#define KERN_INFO "Info:"
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#if 1
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# define DEBUG
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#endif
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#ifdef DEBUG
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# define printk printf
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# define DEBUG_INIT 0x0001
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# define DEBUG_MINOR 0x0002
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# define DEBUG_RX 0x0004
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# define DEBUG_TX 0x0008
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# define DEBUG_INT 0x0010
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# define DEBUG_POLL 0x0020
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# define DEBUG_LINK 0x0040
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# define DEBUG_MII 0x0100
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# define DEBUG_MII_LOW 0x0200
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# define DEBUG_MEM 0x0400
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# define DEBUG_ERROR 0x4000
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# define DEBUG_ERROR_CRIT 0x8000
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static int nDebugLvl = DEBUG_ERROR_CRIT;
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# define DEBUG_ARGS0( FLG, a0 ) if( ( nDebugLvl & (FLG) ) == (FLG) ) \
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printf("%s: " a0, __FUNCTION__, 0, 0, 0, 0, 0, 0 )
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# define DEBUG_ARGS1( FLG, a0, a1 ) if( ( nDebugLvl & (FLG) ) == (FLG)) \
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printf("%s: " a0, __FUNCTION__, (int)(a1), 0, 0, 0, 0, 0 )
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# define DEBUG_ARGS2( FLG, a0, a1, a2 ) if( (nDebugLvl & (FLG)) ==(FLG))\
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printf("%s: " a0, __FUNCTION__, (int)(a1), (int)(a2), 0, 0,0,0 )
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# define DEBUG_ARGS3( FLG, a0, a1, a2, a3 ) if((nDebugLvl &(FLG))==(FLG))\
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printf("%s: "a0,__FUNCTION__,(int)(a1),(int)(a2),(int)(a3),0,0,0)
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# define DEBUG_FN( FLG ) if( (nDebugLvl & (FLG)) == (FLG) ) \
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printf("\r%s:line %d\n", (int)__FUNCTION__, __LINE__, 0,0,0,0);
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# define ASSERT( expr, func ) if( !( expr ) ) { \
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printf( "Assertion failed! %s:line %d %s\n", \
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(int)__FUNCTION__,__LINE__,(int)(#expr),0,0,0); \
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func }
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#else /* DEBUG */
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# define printk(...)
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# define DEBUG_ARGS0( FLG, a0 )
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# define DEBUG_ARGS1( FLG, a0, a1 )
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# define DEBUG_ARGS2( FLG, a0, a1, a2 )
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# define DEBUG_ARGS3( FLG, a0, a1, a2, a3 )
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# define DEBUG_FN( n )
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# define ASSERT(expr, func)
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#endif /* DEBUG */
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#define NS7520_MII_NEG_DELAY (5*CONFIG_SYS_HZ) /* in s */
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#define TX_TIMEOUT (5*CONFIG_SYS_HZ) /* in s */
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#define RX_STALL_WORKAROUND_CNT 100
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static int ns7520_eth_reset(void);
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static void ns7520_link_auto_negotiate(void);
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static void ns7520_link_update_egcr(void);
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static void ns7520_link_print_changed(void);
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/* the PHY stuff */
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static char ns7520_mii_identify_phy(void);
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static unsigned short ns7520_mii_read(unsigned short uiRegister);
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static void ns7520_mii_write(unsigned short uiRegister,
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unsigned short uiData);
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static unsigned int ns7520_mii_get_clock_divisor(unsigned int
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unMaxMDIOClk);
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static unsigned int ns7520_mii_poll_busy(void);
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static unsigned int nPhyMaxMdioClock = PHY_MDIO_MAX_CLK;
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static unsigned int uiLastLinkStatus;
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static PhyType phyDetected = PHY_NONE;
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/***********************************************************************
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* @Function: eth_init
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* @Return: -1 on failure otherwise 0
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* @Descr: Initializes the ethernet engine and uses either FS Forth's default
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* MAC addr or the one in environment
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***********************************************************************/
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int eth_init(bd_t * pbis)
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{
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unsigned char aucMACAddr[6];
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char *pcTmp = getenv("ethaddr");
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char *pcEnd;
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int i;
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DEBUG_FN(DEBUG_INIT);
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/* no need to check for hardware */
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if (!ns7520_eth_reset())
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return -1;
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if (NULL == pcTmp)
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return -1;
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for (i = 0; i < 6; i++) {
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aucMACAddr[i] =
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pcTmp ? simple_strtoul(pcTmp, &pcEnd, 16) : 0;
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pcTmp = (*pcTmp) ? pcEnd + 1 : pcEnd;
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}
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/* configure ethernet address */
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*get_eth_reg_addr(NS7520_ETH_SA1) =
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aucMACAddr[5] << 8 | aucMACAddr[4];
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*get_eth_reg_addr(NS7520_ETH_SA2) =
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aucMACAddr[3] << 8 | aucMACAddr[2];
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*get_eth_reg_addr(NS7520_ETH_SA3) =
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aucMACAddr[1] << 8 | aucMACAddr[0];
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/* enable hardware */
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*get_eth_reg_addr(NS7520_ETH_MAC1) = NS7520_ETH_MAC1_RXEN;
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*get_eth_reg_addr(NS7520_ETH_SUPP) = NS7520_ETH_SUPP_JABBER;
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*get_eth_reg_addr(NS7520_ETH_MAC1) = NS7520_ETH_MAC1_RXEN;
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/* the linux kernel may give packets < 60 bytes, for example arp */
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*get_eth_reg_addr(NS7520_ETH_MAC2) = NS7520_ETH_MAC2_CRCEN |
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NS7520_ETH_MAC2_PADEN | NS7520_ETH_MAC2_HUGE;
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/* Broadcast/multicast allowed; if you don't set this even unicast chokes */
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/* Based on NS7520 errata documentation */
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*get_eth_reg_addr(NS7520_ETH_SAFR) =
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NS7520_ETH_SAFR_BROAD | NS7520_ETH_SAFR_PRM;
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/* enable receive and transmit FIFO, use 10/100 Mbps MII */
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*get_eth_reg_addr(NS7520_ETH_EGCR) |=
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NS7520_ETH_EGCR_ETXWM_75 |
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NS7520_ETH_EGCR_ERX |
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NS7520_ETH_EGCR_ERXREG |
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NS7520_ETH_EGCR_ERXBR | NS7520_ETH_EGCR_ETX;
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return 0;
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}
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/***********************************************************************
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* @Function: eth_send
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* @Return: -1 on timeout otherwise 1
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* @Descr: sends one frame by DMA
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***********************************************************************/
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int eth_send(volatile void *pPacket, int nLen)
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{
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int i, length32, retval = 1;
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char *pa;
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unsigned int *pa32, lastp = 0, rest;
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unsigned int status;
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pa = (char *) pPacket;
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pa32 = (unsigned int *) pPacket;
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length32 = nLen / 4;
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rest = nLen % 4;
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/* make sure there's no garbage in the last word */
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switch (rest) {
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case 0:
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lastp = pa32[length32 - 1];
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length32--;
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break;
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case 1:
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lastp = pa32[length32] & 0x000000ff;
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break;
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case 2:
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lastp = pa32[length32] & 0x0000ffff;
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break;
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case 3:
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lastp = pa32[length32] & 0x00ffffff;
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break;
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}
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while (((*get_eth_reg_addr(NS7520_ETH_EGSR)) &
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NS7520_ETH_EGSR_TXREGE)
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== 0) {
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}
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/* write to the fifo */
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for (i = 0; i < length32; i++)
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*get_eth_reg_addr(NS7520_ETH_FIFO) = pa32[i];
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/* the last word is written to an extra register, this
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starts the transmission */
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*get_eth_reg_addr(NS7520_ETH_FIFOL) = lastp;
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/* Wait for it to be done */
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while ((*get_eth_reg_addr(NS7520_ETH_EGSR) & NS7520_ETH_EGSR_TXBC)
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== 0) {
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}
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status = (*get_eth_reg_addr(NS7520_ETH_ETSR));
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*get_eth_reg_addr(NS7520_ETH_EGSR) = NS7520_ETH_EGSR_TXBC; /* Clear it now */
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if (status & NS7520_ETH_ETSR_TXOK) {
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retval = 0; /* We're OK! */
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} else if (status & NS7520_ETH_ETSR_TXDEF) {
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printf("Deferred, we'll see.\n");
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retval = 0;
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} else if (status & NS7520_ETH_ETSR_TXAL) {
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printf("Late collision error, %d collisions.\n",
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(*get_eth_reg_addr(NS7520_ETH_ETSR)) &
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NS7520_ETH_ETSR_TXCOLC);
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} else if (status & NS7520_ETH_ETSR_TXAEC) {
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printf("Excessive collisions: %d\n",
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(*get_eth_reg_addr(NS7520_ETH_ETSR)) &
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NS7520_ETH_ETSR_TXCOLC);
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} else if (status & NS7520_ETH_ETSR_TXAED) {
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printf("Excessive deferral on xmit.\n");
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} else if (status & NS7520_ETH_ETSR_TXAUR) {
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printf("Packet underrun.\n");
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} else if (status & NS7520_ETH_ETSR_TXAJ) {
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printf("Jumbo packet error.\n");
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} else {
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printf("Error: Should never get here.\n");
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}
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return (retval);
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}
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/***********************************************************************
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* @Function: eth_rx
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* @Return: size of last frame in bytes or 0 if no frame available
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* @Descr: gives one frame to U-Boot which has been copied by DMA engine already
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* to NetRxPackets[ 0 ].
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***********************************************************************/
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int eth_rx(void)
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{
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int i;
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unsigned short rxlen;
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unsigned short totrxlen = 0;
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unsigned int *addr;
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unsigned int rxstatus, lastrxlen;
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char *pa;
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/* If RXBR is 1, data block was received */
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while (((*get_eth_reg_addr(NS7520_ETH_EGSR)) &
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NS7520_ETH_EGSR_RXBR) == NS7520_ETH_EGSR_RXBR) {
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/* get status register and the length of received block */
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rxstatus = *get_eth_reg_addr(NS7520_ETH_ERSR);
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rxlen = (rxstatus & NS7520_ETH_ERSR_RXSIZE) >> 16;
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/* clear RXBR to make fifo available */
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*get_eth_reg_addr(NS7520_ETH_EGSR) = NS7520_ETH_EGSR_RXBR;
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if (rxstatus & NS7520_ETH_ERSR_ROVER) {
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printf("Receive overrun, resetting FIFO.\n");
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*get_eth_reg_addr(NS7520_ETH_EGCR) &=
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~NS7520_ETH_EGCR_ERX;
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udelay(20);
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*get_eth_reg_addr(NS7520_ETH_EGCR) |=
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NS7520_ETH_EGCR_ERX;
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}
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if (rxlen == 0) {
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printf("Nothing.\n");
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return 0;
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}
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addr = (unsigned int *) NetRxPackets[0];
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pa = (char *) NetRxPackets[0];
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/* read the fifo */
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for (i = 0; i < rxlen / 4; i++) {
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*addr = *get_eth_reg_addr(NS7520_ETH_FIFO);
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addr++;
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}
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if ((*get_eth_reg_addr(NS7520_ETH_EGSR)) &
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NS7520_ETH_EGSR_RXREGR) {
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/* RXFDB indicates wether the last word is 1,2,3 or 4 bytes long */
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lastrxlen =
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((*get_eth_reg_addr(NS7520_ETH_EGSR)) &
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NS7520_ETH_EGSR_RXFDB_MA) >> 28;
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*addr = *get_eth_reg_addr(NS7520_ETH_FIFO);
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switch (lastrxlen) {
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case 1:
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*addr &= 0xff000000;
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break;
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case 2:
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*addr &= 0xffff0000;
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break;
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case 3:
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*addr &= 0xffffff00;
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break;
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}
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}
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/* Pass the packet up to the protocol layers. */
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NetReceive(NetRxPackets[0], rxlen - 4);
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totrxlen += rxlen - 4;
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}
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return totrxlen;
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}
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/***********************************************************************
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* @Function: eth_halt
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* @Return: n/a
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* @Descr: stops the ethernet engine
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***********************************************************************/
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void eth_halt(void)
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{
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DEBUG_FN(DEBUG_INIT);
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*get_eth_reg_addr(NS7520_ETH_MAC1) &= ~NS7520_ETH_MAC1_RXEN;
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*get_eth_reg_addr(NS7520_ETH_EGCR) &= ~(NS7520_ETH_EGCR_ERX |
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NS7520_ETH_EGCR_ERXDMA |
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NS7520_ETH_EGCR_ERXREG |
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NS7520_ETH_EGCR_ERXBR |
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NS7520_ETH_EGCR_ETX |
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NS7520_ETH_EGCR_ETXDMA);
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}
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/***********************************************************************
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* @Function: ns7520_eth_reset
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* @Return: 0 on failure otherwise 1
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* @Descr: resets the ethernet interface and the PHY,
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* performs auto negotiation or fixed modes
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***********************************************************************/
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static int ns7520_eth_reset(void)
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{
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DEBUG_FN(DEBUG_MINOR);
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/* Reset important registers */
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*get_eth_reg_addr(NS7520_ETH_EGCR) = 0; /* Null it out! */
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*get_eth_reg_addr(NS7520_ETH_MAC1) &= NS7520_ETH_MAC1_SRST;
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*get_eth_reg_addr(NS7520_ETH_MAC2) = 0;
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/* Reset MAC */
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*get_eth_reg_addr(NS7520_ETH_EGCR) |= NS7520_ETH_EGCR_MAC_RES;
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udelay(5);
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*get_eth_reg_addr(NS7520_ETH_EGCR) &= ~NS7520_ETH_EGCR_MAC_RES;
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/* reset and initialize PHY */
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*get_eth_reg_addr(NS7520_ETH_MAC1) &= ~NS7520_ETH_MAC1_SRST;
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/* we don't support hot plugging of PHY, therefore we don't reset
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phyDetected and nPhyMaxMdioClock here. The risk is if the setting is
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incorrect the first open
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may detect the PHY correctly but succeding will fail
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For reseting the PHY and identifying we have to use the standard
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MDIO CLOCK value 2.5 MHz only after hardware reset
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After having identified the PHY we will do faster */
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*get_eth_reg_addr(NS7520_ETH_MCFG) =
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ns7520_mii_get_clock_divisor(nPhyMaxMdioClock);
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/* reset PHY */
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ns7520_mii_write(MII_BMCR, BMCR_RESET);
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ns7520_mii_write(MII_BMCR, 0);
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udelay(3000); /* [2] p.70 says at least 300us reset recovery time. */
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/* MII clock has been setup to default, ns7520_mii_identify_phy should
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work for all */
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if (!ns7520_mii_identify_phy()) {
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printk(KERN_ERR NS7520_DRIVER_NAME
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": Unsupported PHY, aborting\n");
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return 0;
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}
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/* now take the highest MDIO clock possible after detection */
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*get_eth_reg_addr(NS7520_ETH_MCFG) =
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ns7520_mii_get_clock_divisor(nPhyMaxMdioClock);
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/* PHY has been detected, so there can be no abort reason and we can
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finish initializing ethernet */
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uiLastLinkStatus = 0xff; /* undefined */
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ns7520_link_auto_negotiate();
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if (phyDetected == PHY_LXT971A)
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/* set LED2 to link mode */
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ns7520_mii_write(PHY_LXT971_LED_CFG,
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(PHY_LXT971_LED_CFG_LINK_ACT <<
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PHY_LXT971_LED_CFG_SHIFT_LED2) |
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(PHY_LXT971_LED_CFG_TRANSMIT <<
|
||||
PHY_LXT971_LED_CFG_SHIFT_LED1));
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* @Function: ns7520_link_auto_negotiate
|
||||
* @Return: void
|
||||
* @Descr: performs auto-negotation of link.
|
||||
***********************************************************************/
|
||||
|
||||
static void ns7520_link_auto_negotiate(void)
|
||||
{
|
||||
unsigned long ulStartJiffies;
|
||||
unsigned short uiStatus;
|
||||
|
||||
DEBUG_FN(DEBUG_LINK);
|
||||
|
||||
/* run auto-negotation */
|
||||
/* define what we are capable of */
|
||||
ns7520_mii_write(MII_ADVERTISE,
|
||||
LPA_100FULL |
|
||||
LPA_100HALF |
|
||||
LPA_10FULL |
|
||||
LPA_10HALF |
|
||||
PHY_ANLPAR_PSB_802_3);
|
||||
/* start auto-negotiation */
|
||||
ns7520_mii_write(MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART);
|
||||
|
||||
/* wait for completion */
|
||||
|
||||
ulStartJiffies = get_timer(0);
|
||||
while (get_timer(0) < ulStartJiffies + NS7520_MII_NEG_DELAY) {
|
||||
uiStatus = ns7520_mii_read(MII_BMSR);
|
||||
if ((uiStatus &
|
||||
(BMSR_ANEGCOMPLETE | BMSR_LSTATUS)) ==
|
||||
(BMSR_ANEGCOMPLETE | BMSR_LSTATUS)) {
|
||||
/* lucky we are, auto-negotiation succeeded */
|
||||
ns7520_link_print_changed();
|
||||
ns7520_link_update_egcr();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
DEBUG_ARGS0(DEBUG_LINK, "auto-negotiation timed out\n");
|
||||
/* ignore invalid link settings */
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* @Function: ns7520_link_update_egcr
|
||||
* @Return: void
|
||||
* @Descr: updates the EGCR and MAC2 link status after mode change or
|
||||
* auto-negotation
|
||||
***********************************************************************/
|
||||
|
||||
static void ns7520_link_update_egcr(void)
|
||||
{
|
||||
unsigned int unEGCR;
|
||||
unsigned int unMAC2;
|
||||
unsigned int unIPGT;
|
||||
|
||||
DEBUG_FN(DEBUG_LINK);
|
||||
|
||||
unEGCR = *get_eth_reg_addr(NS7520_ETH_EGCR);
|
||||
unMAC2 = *get_eth_reg_addr(NS7520_ETH_MAC2);
|
||||
unIPGT =
|
||||
*get_eth_reg_addr(NS7520_ETH_IPGT) & ~NS7520_ETH_IPGT_IPGT;
|
||||
|
||||
unEGCR &= ~NS7520_ETH_EGCR_EFULLD;
|
||||
unMAC2 &= ~NS7520_ETH_MAC2_FULLD;
|
||||
if ((uiLastLinkStatus & PHY_LXT971_STAT2_DUPLEX_MODE)
|
||||
== PHY_LXT971_STAT2_DUPLEX_MODE) {
|
||||
unEGCR |= NS7520_ETH_EGCR_EFULLD;
|
||||
unMAC2 |= NS7520_ETH_MAC2_FULLD;
|
||||
unIPGT |= 0x15; /* see [1] p. 167 */
|
||||
} else
|
||||
unIPGT |= 0x12; /* see [1] p. 167 */
|
||||
|
||||
*get_eth_reg_addr(NS7520_ETH_MAC2) = unMAC2;
|
||||
*get_eth_reg_addr(NS7520_ETH_EGCR) = unEGCR;
|
||||
*get_eth_reg_addr(NS7520_ETH_IPGT) = unIPGT;
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* @Function: ns7520_link_print_changed
|
||||
* @Return: void
|
||||
* @Descr: checks whether the link status has changed and if so prints
|
||||
* the new mode
|
||||
***********************************************************************/
|
||||
|
||||
static void ns7520_link_print_changed(void)
|
||||
{
|
||||
unsigned short uiStatus;
|
||||
unsigned short uiControl;
|
||||
|
||||
DEBUG_FN(DEBUG_LINK);
|
||||
|
||||
uiControl = ns7520_mii_read(MII_BMCR);
|
||||
|
||||
if ((uiControl & BMCR_ANENABLE) == BMCR_ANENABLE) {
|
||||
/* BMSR_LSTATUS is only set on autonegotiation */
|
||||
uiStatus = ns7520_mii_read(MII_BMSR);
|
||||
|
||||
if (!(uiStatus & BMSR_LSTATUS)) {
|
||||
printk(KERN_WARNING NS7520_DRIVER_NAME
|
||||
": link down\n");
|
||||
/* @TODO Linux: carrier_off */
|
||||
} else {
|
||||
/* @TODO Linux: carrier_on */
|
||||
if (phyDetected == PHY_LXT971A) {
|
||||
uiStatus =
|
||||
ns7520_mii_read(PHY_LXT971_STAT2);
|
||||
uiStatus &=
|
||||
(PHY_LXT971_STAT2_100BTX |
|
||||
PHY_LXT971_STAT2_DUPLEX_MODE |
|
||||
PHY_LXT971_STAT2_AUTO_NEG);
|
||||
|
||||
/* mask out all uninteresting parts */
|
||||
}
|
||||
/* other PHYs must store there link information in
|
||||
uiStatus as PHY_LXT971 */
|
||||
}
|
||||
} else {
|
||||
/* mode has been forced, so uiStatus should be the same as the
|
||||
last link status, enforce printing */
|
||||
uiStatus = uiLastLinkStatus;
|
||||
uiLastLinkStatus = 0xff;
|
||||
}
|
||||
|
||||
if (uiStatus != uiLastLinkStatus) {
|
||||
/* save current link status */
|
||||
uiLastLinkStatus = uiStatus;
|
||||
|
||||
/* print new link status */
|
||||
|
||||
printk(KERN_INFO NS7520_DRIVER_NAME
|
||||
": link mode %i Mbps %s duplex %s\n",
|
||||
(uiStatus & PHY_LXT971_STAT2_100BTX) ? 100 : 10,
|
||||
(uiStatus & PHY_LXT971_STAT2_DUPLEX_MODE) ? "full" :
|
||||
"half",
|
||||
(uiStatus & PHY_LXT971_STAT2_AUTO_NEG) ? "(auto)" :
|
||||
"");
|
||||
}
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* the MII low level stuff
|
||||
***********************************************************************/
|
||||
|
||||
/***********************************************************************
|
||||
* @Function: ns7520_mii_identify_phy
|
||||
* @Return: 1 if supported PHY has been detected otherwise 0
|
||||
* @Descr: checks for supported PHY and prints the IDs.
|
||||
***********************************************************************/
|
||||
|
||||
static char ns7520_mii_identify_phy(void)
|
||||
{
|
||||
unsigned short uiID1;
|
||||
unsigned short uiID2;
|
||||
unsigned char *szName;
|
||||
char cRes = 0;
|
||||
|
||||
DEBUG_FN(DEBUG_MII);
|
||||
|
||||
phyDetected = (PhyType) uiID1 = ns7520_mii_read(MII_PHYSID1);
|
||||
|
||||
switch (phyDetected) {
|
||||
case PHY_LXT971A:
|
||||
szName = "LXT971A";
|
||||
uiID2 = ns7520_mii_read(MII_PHYSID2);
|
||||
nPhyMaxMdioClock = PHY_LXT971_MDIO_MAX_CLK;
|
||||
cRes = 1;
|
||||
break;
|
||||
case PHY_NONE:
|
||||
default:
|
||||
/* in case uiID1 == 0 && uiID2 == 0 we may have the wrong
|
||||
address or reset sets the wrong NS7520_ETH_MCFG_CLKS */
|
||||
|
||||
uiID2 = 0;
|
||||
szName = "unknown";
|
||||
nPhyMaxMdioClock = PHY_MDIO_MAX_CLK;
|
||||
phyDetected = PHY_NONE;
|
||||
}
|
||||
|
||||
printk(KERN_INFO NS7520_DRIVER_NAME
|
||||
": PHY (0x%x, 0x%x) = %s detected\n", uiID1, uiID2, szName);
|
||||
|
||||
return cRes;
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* @Function: ns7520_mii_read
|
||||
* @Return: the data read from PHY register uiRegister
|
||||
* @Descr: the data read may be invalid if timed out. If so, a message
|
||||
* is printed but the invalid data is returned.
|
||||
* The fixed device address is being used.
|
||||
***********************************************************************/
|
||||
|
||||
static unsigned short ns7520_mii_read(unsigned short uiRegister)
|
||||
{
|
||||
DEBUG_FN(DEBUG_MII_LOW);
|
||||
|
||||
/* write MII register to be read */
|
||||
*get_eth_reg_addr(NS7520_ETH_MADR) =
|
||||
CONFIG_PHY_ADDR << 8 | uiRegister;
|
||||
|
||||
*get_eth_reg_addr(NS7520_ETH_MCMD) = NS7520_ETH_MCMD_READ;
|
||||
|
||||
if (!ns7520_mii_poll_busy())
|
||||
printk(KERN_WARNING NS7520_DRIVER_NAME
|
||||
": MII still busy in read\n");
|
||||
/* continue to read */
|
||||
|
||||
*get_eth_reg_addr(NS7520_ETH_MCMD) = 0;
|
||||
|
||||
return (unsigned short) (*get_eth_reg_addr(NS7520_ETH_MRDD));
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* @Function: ns7520_mii_write
|
||||
* @Return: nothing
|
||||
* @Descr: writes the data to the PHY register. In case of a timeout,
|
||||
* no special handling is performed but a message printed
|
||||
* The fixed device address is being used.
|
||||
***********************************************************************/
|
||||
|
||||
static void ns7520_mii_write(unsigned short uiRegister,
|
||||
unsigned short uiData)
|
||||
{
|
||||
DEBUG_FN(DEBUG_MII_LOW);
|
||||
|
||||
/* write MII register to be written */
|
||||
*get_eth_reg_addr(NS7520_ETH_MADR) =
|
||||
CONFIG_PHY_ADDR << 8 | uiRegister;
|
||||
|
||||
*get_eth_reg_addr(NS7520_ETH_MWTD) = uiData;
|
||||
|
||||
if (!ns7520_mii_poll_busy()) {
|
||||
printf(KERN_WARNING NS7520_DRIVER_NAME
|
||||
": MII still busy in write\n");
|
||||
}
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* @Function: ns7520_mii_get_clock_divisor
|
||||
* @Return: the clock divisor that should be used in NS7520_ETH_MCFG_CLKS
|
||||
* @Descr: if no clock divisor can be calculated for the
|
||||
* current SYSCLK and the maximum MDIO Clock, a warning is printed
|
||||
* and the greatest divisor is taken
|
||||
***********************************************************************/
|
||||
|
||||
static unsigned int ns7520_mii_get_clock_divisor(unsigned int unMaxMDIOClk)
|
||||
{
|
||||
struct {
|
||||
unsigned int unSysClkDivisor;
|
||||
unsigned int unClks; /* field for NS7520_ETH_MCFG_CLKS */
|
||||
} PHYClockDivisors[] = {
|
||||
{
|
||||
4, NS7520_ETH_MCFG_CLKS_4}, {
|
||||
6, NS7520_ETH_MCFG_CLKS_6}, {
|
||||
8, NS7520_ETH_MCFG_CLKS_8}, {
|
||||
10, NS7520_ETH_MCFG_CLKS_10}, {
|
||||
14, NS7520_ETH_MCFG_CLKS_14}, {
|
||||
20, NS7520_ETH_MCFG_CLKS_20}, {
|
||||
28, NS7520_ETH_MCFG_CLKS_28}
|
||||
};
|
||||
|
||||
int nIndexSysClkDiv;
|
||||
int nArraySize =
|
||||
sizeof(PHYClockDivisors) / sizeof(PHYClockDivisors[0]);
|
||||
unsigned int unClks = NS7520_ETH_MCFG_CLKS_28; /* defaults to
|
||||
greatest div */
|
||||
|
||||
DEBUG_FN(DEBUG_INIT);
|
||||
|
||||
for (nIndexSysClkDiv = 0; nIndexSysClkDiv < nArraySize;
|
||||
nIndexSysClkDiv++) {
|
||||
/* find first sysclock divisor that isn't higher than 2.5 MHz
|
||||
clock */
|
||||
if (NETARM_XTAL_FREQ /
|
||||
PHYClockDivisors[nIndexSysClkDiv].unSysClkDivisor <=
|
||||
unMaxMDIOClk) {
|
||||
unClks = PHYClockDivisors[nIndexSysClkDiv].unClks;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
DEBUG_ARGS2(DEBUG_INIT,
|
||||
"Taking MDIO Clock bit mask 0x%0x for max clock %i\n",
|
||||
unClks, unMaxMDIOClk);
|
||||
|
||||
/* return greatest divisor */
|
||||
return unClks;
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* @Function: ns7520_mii_poll_busy
|
||||
* @Return: 0 if timed out otherwise the remaing timeout
|
||||
* @Descr: waits until the MII has completed a command or it times out
|
||||
* code may be interrupted by hard interrupts.
|
||||
* It is not checked what happens on multiple actions when
|
||||
* the first is still being busy and we timeout.
|
||||
***********************************************************************/
|
||||
|
||||
static unsigned int ns7520_mii_poll_busy(void)
|
||||
{
|
||||
unsigned int unTimeout = 1000;
|
||||
|
||||
DEBUG_FN(DEBUG_MII_LOW);
|
||||
|
||||
while (((*get_eth_reg_addr(NS7520_ETH_MIND) & NS7520_ETH_MIND_BUSY)
|
||||
== NS7520_ETH_MIND_BUSY) && unTimeout)
|
||||
unTimeout--;
|
||||
|
||||
return unTimeout;
|
||||
}
|
||||
|
||||
/* ----------------------------------------------------------------------------
|
||||
* Net+ARM ethernet MII functionality.
|
||||
*/
|
||||
#if defined(CONFIG_MII)
|
||||
|
||||
/**
|
||||
* Maximum MII address we support
|
||||
*/
|
||||
#define MII_ADDRESS_MAX (31)
|
||||
|
||||
/**
|
||||
* Maximum MII register address we support
|
||||
*/
|
||||
#define MII_REGISTER_MAX (31)
|
||||
|
||||
/**
|
||||
* Ethernet MII interface return values for public functions.
|
||||
*/
|
||||
enum mii_status {
|
||||
MII_STATUS_SUCCESS = 0,
|
||||
MII_STATUS_FAILURE = 1,
|
||||
};
|
||||
|
||||
/**
|
||||
* Read a 16-bit value from an MII register.
|
||||
*/
|
||||
extern int ns7520_miiphy_read(const char *devname, unsigned char const addr,
|
||||
unsigned char const reg, unsigned short *const value)
|
||||
{
|
||||
int ret = MII_STATUS_FAILURE;
|
||||
|
||||
/* Parameter checks */
|
||||
if (addr > MII_ADDRESS_MAX) {
|
||||
ERROR(("invalid addr, 0x%02X", addr));
|
||||
goto miiphy_read_failed_0;
|
||||
}
|
||||
|
||||
if (reg > MII_REGISTER_MAX) {
|
||||
ERROR(("invalid reg, 0x%02X", reg));
|
||||
goto miiphy_read_failed_0;
|
||||
}
|
||||
|
||||
if (value == NULL) {
|
||||
ERROR(("NULL value"));
|
||||
goto miiphy_read_failed_0;
|
||||
}
|
||||
|
||||
DEBUG_FN(DEBUG_MII_LOW);
|
||||
|
||||
/* write MII register to be read */
|
||||
*get_eth_reg_addr(NS7520_ETH_MADR) = (addr << 8) | reg;
|
||||
|
||||
*get_eth_reg_addr(NS7520_ETH_MCMD) = NS7520_ETH_MCMD_READ;
|
||||
|
||||
if (!ns7520_mii_poll_busy())
|
||||
printk(KERN_WARNING NS7520_DRIVER_NAME
|
||||
": MII still busy in read\n");
|
||||
/* continue to read */
|
||||
|
||||
*get_eth_reg_addr(NS7520_ETH_MCMD) = 0;
|
||||
|
||||
*value = (*get_eth_reg_addr(NS7520_ETH_MRDD));
|
||||
ret = MII_STATUS_SUCCESS;
|
||||
/* Fall through */
|
||||
|
||||
miiphy_read_failed_0:
|
||||
return (ret);
|
||||
}
|
||||
|
||||
/**
|
||||
* Write a 16-bit value to an MII register.
|
||||
*/
|
||||
extern int ns7520_miiphy_write(const char *devname, unsigned char const addr,
|
||||
unsigned char const reg, unsigned short const value)
|
||||
{
|
||||
int ret = MII_STATUS_FAILURE;
|
||||
|
||||
/* Parameter checks */
|
||||
if (addr > MII_ADDRESS_MAX) {
|
||||
ERROR(("invalid addr, 0x%02X", addr));
|
||||
goto miiphy_write_failed_0;
|
||||
}
|
||||
|
||||
if (reg > MII_REGISTER_MAX) {
|
||||
ERROR(("invalid reg, 0x%02X", reg));
|
||||
goto miiphy_write_failed_0;
|
||||
}
|
||||
|
||||
/* write MII register to be written */
|
||||
*get_eth_reg_addr(NS7520_ETH_MADR) = (addr << 8) | reg;
|
||||
|
||||
*get_eth_reg_addr(NS7520_ETH_MWTD) = value;
|
||||
|
||||
if (!ns7520_mii_poll_busy()) {
|
||||
printf(KERN_WARNING NS7520_DRIVER_NAME
|
||||
": MII still busy in write\n");
|
||||
}
|
||||
|
||||
ret = MII_STATUS_SUCCESS;
|
||||
/* Fall through */
|
||||
|
||||
miiphy_write_failed_0:
|
||||
return (ret);
|
||||
}
|
||||
#endif /* defined(CONFIG_MII) */
|
||||
|
||||
int ns7520_miiphy_initialize(bd_t *bis)
|
||||
{
|
||||
#if defined(CONFIG_MII)
|
||||
miiphy_register("ns7520phy", ns7520_miiphy_read, ns7520_miiphy_write);
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,336 +0,0 @@
|
|||
/***********************************************************************
|
||||
*
|
||||
* Copyright 2003 by FS Forth-Systeme GmbH.
|
||||
* All rights reserved.
|
||||
*
|
||||
* $Id$
|
||||
* @Author: Markus Pietrek
|
||||
* @Descr: Defines the NS7520 ethernet registers.
|
||||
* Stick with the old ETH prefix names instead going to the
|
||||
* new EFE names in the manual.
|
||||
* NS7520_ETH_* refer to NS7520 Hardware
|
||||
* Reference/January 2003 [1]
|
||||
* PHY_LXT971_* refer to Intel LXT971 Datasheet
|
||||
* #249414 Rev. 02 [2]
|
||||
* Partly derived from netarm_eth_module.h
|
||||
*
|
||||
* Modified by Arthur Shipkowski <art@videon-central.com> from the
|
||||
* Linux version to be properly formatted for U-Boot (i.e. no C++ comments)
|
||||
*
|
||||
***********************************************************************/
|
||||
|
||||
#ifndef FS_NS7520_ETH_H
|
||||
#define FS_NS7520_ETH_H
|
||||
|
||||
#ifdef CONFIG_DRIVER_NS7520_ETHERNET
|
||||
|
||||
#include <miiphy.h>
|
||||
#include "lxt971a.h"
|
||||
|
||||
/* The port addresses */
|
||||
|
||||
#define NS7520_ETH_MODULE_BASE (0xFF800000)
|
||||
|
||||
#define get_eth_reg_addr(c) \
|
||||
((volatile unsigned int*) ( NS7520_ETH_MODULE_BASE+(unsigned int) (c)))
|
||||
#define NS7520_ETH_EGCR (0x0000) /* Ethernet Gen Control */
|
||||
#define NS7520_ETH_EGSR (0x0004) /* Ethernet Gen Status */
|
||||
#define NS7520_ETH_FIFO (0x0008) /* FIFO Data */
|
||||
#define NS7520_ETH_FIFOL (0x000C) /* FIFO Data Last */
|
||||
#define NS7520_ETH_ETSR (0x0010) /* Ethernet Transmit Status */
|
||||
#define NS7520_ETH_ERSR (0x0014) /* Ethernet Receive Status */
|
||||
#define NS7520_ETH_MAC1 (0x0400) /* MAC Config 1 */
|
||||
#define NS7520_ETH_MAC2 (0x0404) /* MAC Config 2 */
|
||||
#define NS7520_ETH_IPGT (0x0408) /* Back2Back InterPacket Gap */
|
||||
#define NS7520_ETH_IPGR (0x040C) /* non back2back InterPacket Gap */
|
||||
#define NS7520_ETH_CLRT (0x0410) /* Collision Window/Retry */
|
||||
#define NS7520_ETH_MAXF (0x0414) /* Maximum Frame Register */
|
||||
#define NS7520_ETH_SUPP (0x0418) /* PHY Support */
|
||||
#define NS7520_ETH_TEST (0x041C) /* Test Register */
|
||||
#define NS7520_ETH_MCFG (0x0420) /* MII Management Configuration */
|
||||
#define NS7520_ETH_MCMD (0x0424) /* MII Management Command */
|
||||
#define NS7520_ETH_MADR (0x0428) /* MII Management Address */
|
||||
#define NS7520_ETH_MWTD (0x042C) /* MII Management Write Data */
|
||||
#define NS7520_ETH_MRDD (0x0430) /* MII Management Read Data */
|
||||
#define NS7520_ETH_MIND (0x0434) /* MII Management Indicators */
|
||||
#define NS7520_ETH_SMII (0x0438) /* SMII Status Register */
|
||||
#define NS7520_ETH_SA1 (0x0440) /* Station Address 1 */
|
||||
#define NS7520_ETH_SA2 (0x0444) /* Station Address 2 */
|
||||
#define NS7520_ETH_SA3 (0x0448) /* Station Address 3 */
|
||||
#define NS7520_ETH_SAFR (0x05C0) /* Station Address Filter */
|
||||
#define NS7520_ETH_HT1 (0x05D0) /* Hash Table 1 */
|
||||
#define NS7520_ETH_HT2 (0x05D4) /* Hash Table 2 */
|
||||
#define NS7520_ETH_HT3 (0x05D8) /* Hash Table 3 */
|
||||
#define NS7520_ETH_HT4 (0x05DC) /* Hash Table 4 */
|
||||
|
||||
/* EGCR Ethernet General Control Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_EGCR_ERX (0x80000000) /* Enable Receive FIFO */
|
||||
#define NS7520_ETH_EGCR_ERXDMA (0x40000000) /* Enable Receive DMA */
|
||||
#define NS7520_ETH_EGCR_ERXLNG (0x20000000) /* Accept Long packets */
|
||||
#define NS7520_ETH_EGCR_ERXSHT (0x10000000) /* Accept Short packets */
|
||||
#define NS7520_ETH_EGCR_ERXREG (0x08000000) /* Enable Receive Data Interrupt */
|
||||
#define NS7520_ETH_EGCR_ERFIFOH (0x04000000) /* Enable Receive Half-Full Int */
|
||||
#define NS7520_ETH_EGCR_ERXBR (0x02000000) /* Enable Receive buffer ready */
|
||||
#define NS7520_ETH_EGCR_ERXBAD (0x01000000) /* Accept bad receive packets */
|
||||
#define NS7520_ETH_EGCR_ETX (0x00800000) /* Enable Transmit FIFO */
|
||||
#define NS7520_ETH_EGCR_ETXDMA (0x00400000) /* Enable Transmit DMA */
|
||||
#define NS7520_ETH_EGCR_ETXWM_R (0x00300000) /* Enable Transmit FIFO mark Reserv */
|
||||
#define NS7520_ETH_EGCR_ETXWM_75 (0x00200000) /* Enable Transmit FIFO mark 75% */
|
||||
#define NS7520_ETH_EGCR_ETXWM_50 (0x00100000) /* Enable Transmit FIFO mark 50% */
|
||||
#define NS7520_ETH_EGCR_ETXWM_25 (0x00000000) /* Enable Transmit FIFO mark 25% */
|
||||
#define NS7520_ETH_EGCR_ETXREG (0x00080000) /* Enable Transmit Data Read Int */
|
||||
#define NS7520_ETH_EGCR_ETFIFOH (0x00040000) /* Enable Transmit Fifo Half Int */
|
||||
#define NS7520_ETH_EGCR_ETXBC (0x00020000) /* Enable Transmit Buffer Compl Int */
|
||||
#define NS7520_ETH_EGCR_EFULLD (0x00010000) /* Enable Full Duplex Operation */
|
||||
#define NS7520_ETH_EGCR_MODE_MA (0x0000C000) /* Mask */
|
||||
#define NS7520_ETH_EGCR_MODE_SEE (0x0000C000) /* 10 Mbps SEEQ ENDEC PHY */
|
||||
#define NS7520_ETH_EGCR_MODE_LEV (0x00008000) /* 10 Mbps Level1 ENDEC PHY */
|
||||
#define NS7520_ETH_EGCR_RES1 (0x00002000) /* Reserved */
|
||||
#define NS7520_ETH_EGCR_RXCINV (0x00001000) /* Invert the receive clock input */
|
||||
#define NS7520_ETH_EGCR_TXCINV (0x00000800) /* Invert the transmit clock input */
|
||||
#define NS7520_ETH_EGCR_PNA (0x00000400) /* pSOS pNA buffer */
|
||||
#define NS7520_ETH_EGCR_MAC_RES (0x00000200) /* MAC Software reset */
|
||||
#define NS7520_ETH_EGCR_ITXA (0x00000100) /* Insert Transmit Source Address */
|
||||
#define NS7520_ETH_EGCR_ENDEC_MA (0x000000FC) /* ENDEC media control bits */
|
||||
#define NS7520_ETH_EGCR_EXINT_MA (0x00000003) /* Mask */
|
||||
#define NS7520_ETH_EGCR_EXINT_RE (0x00000003) /* Reserved */
|
||||
#define NS7520_ETH_EGCR_EXINT_TP (0x00000002) /* TP-PMD Mode */
|
||||
#define NS7520_ETH_EGCR_EXINT_10 (0x00000001) /* 10-MBit Mode */
|
||||
#define NS7520_ETH_EGCR_EXINT_NO (0x00000000) /* MII normal operation */
|
||||
|
||||
/* EGSR Ethernet General Status Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_EGSR_RES1 (0xC0000000) /* Reserved */
|
||||
#define NS7520_ETH_EGSR_RXFDB_MA (0x30000000) /* Receive FIFO mask */
|
||||
#define NS7520_ETH_EGSR_RXFDB_3 (0x30000000) /* Receive FIFO 3 bytes available */
|
||||
#define NS7520_ETH_EGSR_RXFDB_2 (0x20000000) /* Receive FIFO 2 bytes available */
|
||||
#define NS7520_ETH_EGCR_RXFDB_1 (0x10000000) /* Receive FIFO 1 Bytes available */
|
||||
#define NS7520_ETH_EGCR_RXFDB_4 (0x00000000) /* Receive FIFO 4 Bytes available */
|
||||
#define NS7520_ETH_EGSR_RXREGR (0x08000000) /* Receive Register Ready */
|
||||
#define NS7520_ETH_EGSR_RXFIFOH (0x04000000) /* Receive FIFO Half Full */
|
||||
#define NS7520_ETH_EGSR_RXBR (0x02000000) /* Receive Buffer Ready */
|
||||
#define NS7520_ETH_EGSR_RXSKIP (0x01000000) /* Receive Buffer Skip */
|
||||
#define NS7520_ETH_EGSR_RES2 (0x00F00000) /* Reserved */
|
||||
#define NS7520_ETH_EGSR_TXREGE (0x00080000) /* Transmit Register Empty */
|
||||
#define NS7520_ETH_EGSR_TXFIFOH (0x00040000) /* Transmit FIFO half empty */
|
||||
#define NS7520_ETH_EGSR_TXBC (0x00020000) /* Transmit buffer complete */
|
||||
#define NS7520_ETH_EGSR_TXFIFOE (0x00010000) /* Transmit FIFO empty */
|
||||
#define NS7520_ETH_EGSR_RXPINS (0x0000FC00) /* ENDEC Phy Status */
|
||||
#define NS7520_ETH_EGSR_RES3 (0x000003FF) /* Reserved */
|
||||
|
||||
/* ETSR Ethernet Transmit Status Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_ETSR_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_ETSR_TXOK (0x00008000) /* Packet transmitted OK */
|
||||
#define NS7520_ETH_ETSR_TXBR (0x00004000) /* Broadcast packet transmitted */
|
||||
#define NS7520_ETH_ETSR_TXMC (0x00002000) /* Multicast packet transmitted */
|
||||
#define NS7520_ETH_ETSR_TXAL (0x00001000) /* Transmit abort - late collision */
|
||||
#define NS7520_ETH_ETSR_TXAED (0x00000800) /* Transmit abort - deferral */
|
||||
#define NS7520_ETH_ETSR_TXAEC (0x00000400) /* Transmit abort - exc collisions */
|
||||
#define NS7520_ETH_ETSR_TXAUR (0x00000200) /* Transmit abort - underrun */
|
||||
#define NS7520_ETH_ETSR_TXAJ (0x00000100) /* Transmit abort - jumbo */
|
||||
#define NS7520_ETH_ETSR_RES2 (0x00000080) /* Reserved */
|
||||
#define NS7520_ETH_ETSR_TXDEF (0x00000040) /* Transmit Packet Deferred */
|
||||
#define NS7520_ETH_ETSR_TXCRC (0x00000020) /* Transmit CRC error */
|
||||
#define NS7520_ETH_ETSR_RES3 (0x00000010) /* Reserved */
|
||||
#define NS7520_ETH_ETSR_TXCOLC (0x0000000F) /* Transmit Collision Count */
|
||||
|
||||
/* ERSR Ethernet Receive Status Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_ERSR_RXSIZE (0xFFFF0000) /* Receive Buffer Size */
|
||||
#define NS7520_ETH_ERSR_RXCE (0x00008000) /* Receive Carrier Event */
|
||||
#define NS7520_ETH_ERSR_RXDV (0x00004000) /* Receive Data Violation Event */
|
||||
#define NS7520_ETH_ERSR_RXOK (0x00002000) /* Receive Packet OK */
|
||||
#define NS7520_ETH_ERSR_RXBR (0x00001000) /* Receive Broadcast Packet */
|
||||
#define NS7520_ETH_ERSR_RXMC (0x00000800) /* Receive Multicast Packet */
|
||||
#define NS7520_ETH_ERSR_RXCRC (0x00000400) /* Receive Packet has CRC error */
|
||||
#define NS7520_ETH_ERSR_RXDR (0x00000200) /* Receive Packet has dribble error */
|
||||
#define NS7520_ETH_ERSR_RXCV (0x00000100) /* Receive Packet code violation */
|
||||
#define NS7520_ETH_ERSR_RXLNG (0x00000080) /* Receive Packet too long */
|
||||
#define NS7520_ETH_ERSR_RXSHT (0x00000040) /* Receive Packet too short */
|
||||
#define NS7520_ETH_ERSR_ROVER (0x00000020) /* Recive overflow */
|
||||
#define NS7520_ETH_ERSR_RES (0x0000001F) /* Reserved */
|
||||
|
||||
/* MAC1 MAC Configuration Register 1 Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MAC1_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_MAC1_SRST (0x00008000) /* Soft Reset */
|
||||
#define NS7520_ETH_MAC1_SIMMRST (0x00004000) /* Simulation Reset */
|
||||
#define NS7520_ETH_MAC1_RES2 (0x00003000) /* Reserved */
|
||||
#define NS7520_ETH_MAC1_RPEMCSR (0x00000800) /* Reset PEMCS/RX */
|
||||
#define NS7520_ETH_MAC1_RPERFUN (0x00000400) /* Reset PERFUN */
|
||||
#define NS7520_ETH_MAC1_RPEMCST (0x00000200) /* Reset PEMCS/TX */
|
||||
#define NS7520_ETH_MAC1_RPETFUN (0x00000100) /* Reset PETFUN */
|
||||
#define NS7520_ETH_MAC1_RES3 (0x000000E0) /* Reserved */
|
||||
#define NS7520_ETH_MAC1_LOOPBK (0x00000010) /* Internal Loopback */
|
||||
#define NS7520_ETH_MAC1_TXFLOW (0x00000008) /* TX flow control */
|
||||
#define NS7520_ETH_MAC1_RXFLOW (0x00000004) /* RX flow control */
|
||||
#define NS7520_ETH_MAC1_PALLRX (0x00000002) /* Pass ALL receive frames */
|
||||
#define NS7520_ETH_MAC1_RXEN (0x00000001) /* Receive enable */
|
||||
|
||||
/* MAC Configuration Register 2 Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MAC2_RES1 (0xFFFF8000) /* Reserved */
|
||||
#define NS7520_ETH_MAC2_EDEFER (0x00004000) /* Excess Deferral */
|
||||
#define NS7520_ETH_MAC2_BACKP (0x00002000) /* Backpressure/NO back off */
|
||||
#define NS7520_ETH_MAC2_NOBO (0x00001000) /* No back off */
|
||||
#define NS7520_ETH_MAC2_RES2 (0x00000C00) /* Reserved */
|
||||
#define NS7520_ETH_MAC2_LONGP (0x00000200) /* Long Preable enforcement */
|
||||
#define NS7520_ETH_MAC2_PUREP (0x00000100) /* Pure preamble enforcement */
|
||||
#define NS7520_ETH_MAC2_AUTOP (0x00000080) /* Auto detect PAD enable */
|
||||
#define NS7520_ETH_MAC2_VLANP (0x00000040) /* VLAN pad enable */
|
||||
#define NS7520_ETH_MAC2_PADEN (0x00000020) /* PAD/CRC enable */
|
||||
#define NS7520_ETH_MAC2_CRCEN (0x00000010) /* CRC enable */
|
||||
#define NS7520_ETH_MAC2_DELCRC (0x00000008) /* Delayed CRC */
|
||||
#define NS7520_ETH_MAC2_HUGE (0x00000004) /* Huge frame enable */
|
||||
#define NS7520_ETH_MAC2_FLENC (0x00000002) /* Frame length checking */
|
||||
#define NS7520_ETH_MAC2_FULLD (0x00000001) /* Full duplex */
|
||||
|
||||
/* IPGT Back-to-Back Inter-Packet-Gap Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_IPGT_RES (0xFFFFFF80) /* Reserved */
|
||||
#define NS7520_ETH_IPGT_IPGT (0x0000007F) /* Back-to-Back Interpacket Gap */
|
||||
|
||||
/* IPGR Non Back-to-Back Inter-Packet-Gap Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_IPGR_RES1 (0xFFFF8000) /* Reserved */
|
||||
#define NS7520_ETH_IPGR_IPGR1 (0x00007F00) /* Non Back-to-back Interpacket Gap */
|
||||
#define NS7520_ETH_IPGR_RES2 (0x00000080) /* Reserved */
|
||||
#define NS7520_ETH_IPGR_IPGR2 (0x0000007F) /* Non back-to-back Interpacket Gap */
|
||||
|
||||
/* CLRT Collision Windows/Collision Retry Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_CLRT_RES1 (0xFFFFC000) /* Reserved */
|
||||
#define NS7520_ETH_CLRT_CWIN (0x00003F00) /* Collision Windows */
|
||||
#define NS7520_ETH_CLRT_RES2 (0x000000F0) /* Reserved */
|
||||
#define NS7520_ETH_CLRT_RETX (0x0000000F) /* Retransmission maximum */
|
||||
|
||||
/* MAXF Maximum Frame Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MAXF_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_MAXF_MAXF (0x0000FFFF) /* Maximum frame length */
|
||||
|
||||
/* SUPP PHY Support Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_SUPP_RES1 (0xFFFFFF00) /* Reserved */
|
||||
#define NS7520_ETH_SUPP_RPE100X (0x00000080) /* Reset PE100X module */
|
||||
#define NS7520_ETH_SUPP_FORCEQ (0x00000040) /* Force Quit */
|
||||
#define NS7520_ETH_SUPP_NOCIPH (0x00000020) /* No Cipher */
|
||||
#define NS7520_ETH_SUPP_DLINKF (0x00000010) /* Disable link fail */
|
||||
#define NS7520_ETH_SUPP_RPE10T (0x00000008) /* Reset PE10T module */
|
||||
#define NS7520_ETH_SUPP_RES2 (0x00000004) /* Reserved */
|
||||
#define NS7520_ETH_SUPP_JABBER (0x00000002) /* Enable Jabber protection */
|
||||
#define NS7520_ETH_SUPP_BITMODE (0x00000001) /* Bit Mode */
|
||||
|
||||
/* TEST Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_TEST_RES1 (0xFFFFFFF8) /* Reserved */
|
||||
#define NS7520_ETH_TEST_TBACK (0x00000004) /* Test backpressure */
|
||||
#define NS7520_ETH_TEST_TPAUSE (0x00000002) /* Test Pause */
|
||||
#define NS7520_ETH_TEST_SPQ (0x00000001) /* Shortcut pause quanta */
|
||||
|
||||
/* MCFG MII Management Configuration Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MCFG_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_MCFG_RMIIM (0x00008000) /* Reset MII management */
|
||||
#define NS7520_ETH_MCFG_RES2 (0x00007FE0) /* Reserved */
|
||||
#define NS7520_ETH_MCFG_CLKS_MA (0x0000001C) /* Clock Select */
|
||||
#define NS7520_ETH_MCFG_CLKS_4 (0x00000004) /* Sysclk / 4 */
|
||||
#define NS7520_ETH_MCFG_CLKS_6 (0x00000008) /* Sysclk / 6 */
|
||||
#define NS7520_ETH_MCFG_CLKS_8 (0x0000000C) /* Sysclk / 8 */
|
||||
#define NS7520_ETH_MCFG_CLKS_10 (0x00000010) /* Sysclk / 10 */
|
||||
#define NS7520_ETH_MCFG_CLKS_14 (0x00000014) /* Sysclk / 14 */
|
||||
#define NS7520_ETH_MCFG_CLKS_20 (0x00000018) /* Sysclk / 20 */
|
||||
#define NS7520_ETH_MCFG_CLKS_28 (0x0000001C) /* Sysclk / 28 */
|
||||
#define NS7520_ETH_MCFG_SPRE (0x00000002) /* Suppress preamble */
|
||||
#define NS7520_ETH_MCFG_SCANI (0x00000001) /* Scan increment */
|
||||
|
||||
/* MCMD MII Management Command Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MCMD_RES1 (0xFFFFFFFC) /* Reserved */
|
||||
#define NS7520_ETH_MCMD_SCAN (0x00000002) /* Automatically Scan for Read Data */
|
||||
#define NS7520_ETH_MCMD_READ (0x00000001) /* Single scan for Read Data */
|
||||
|
||||
/* MCMD MII Management Address Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MADR_RES1 (0xFFFFE000) /* Reserved */
|
||||
#define NS7520_ETH_MADR_DADR (0x00001F00) /* MII PHY device address */
|
||||
#define NS7520_ETH_MADR_RES2 (0x000000E0) /* Reserved */
|
||||
#define NS7520_ETH_MADR_RADR (0x0000001F) /* MII PHY register address */
|
||||
|
||||
/* MWTD MII Management Write Data Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MWTD_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_MWTD_MWTD (0x0000FFFF) /* MII Write Data */
|
||||
|
||||
/* MRRD MII Management Read Data Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MRRD_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_MRRD_MRDD (0x0000FFFF) /* MII Read Data */
|
||||
|
||||
/* MIND MII Management Indicators Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_MIND_RES1 (0xFFFFFFF8) /* Reserved */
|
||||
#define NS7520_ETH_MIND_NVALID (0x00000004) /* Read Data not valid */
|
||||
#define NS7520_ETH_MIND_SCAN (0x00000002) /* Automatically scan for read data */
|
||||
#define NS7520_ETH_MIND_BUSY (0x00000001) /* MII interface busy */
|
||||
|
||||
/* SMII Status Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_SMII_RES1 (0xFFFFFFE0) /* Reserved */
|
||||
#define NS7520_ETH_SMII_CLASH (0x00000010) /* MAC-to-MAC with PHY */
|
||||
#define NS7520_ETH_SMII_JABBER (0x00000008) /* Jabber condition present */
|
||||
#define NS7520_ETH_SMII_LINK (0x00000004) /* Link OK */
|
||||
#define NS7520_ETH_SMII_DUPLEX (0x00000002) /* Full-duplex operation */
|
||||
#define NS7520_ETH_SMII_SPEED (0x00000001) /* 100 Mbps */
|
||||
|
||||
/* SA1 Station Address 1 Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_SA1_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_SA1_OCTET1 (0x0000FF00) /* Station Address octet 1 */
|
||||
#define NS7520_ETH_SA1_OCTET2 (0x000000FF) /* Station Address octet 2 */
|
||||
|
||||
/* SA2 Station Address 2 Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_SA2_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_SA2_OCTET3 (0x0000FF00) /* Station Address octet 3 */
|
||||
#define NS7520_ETH_SA2_OCTET4 (0x000000FF) /* Station Address octet 4 */
|
||||
|
||||
/* SA3 Station Address 3 Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_SA3_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_SA3_OCTET5 (0x0000FF00) /* Station Address octet 5 */
|
||||
#define NS7520_ETH_SA3_OCTET6 (0x000000FF) /* Station Address octet 6 */
|
||||
|
||||
/* SAFR Station Address Filter Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_SAFR_RES1 (0xFFFFFFF0) /* Reserved */
|
||||
#define NS7520_ETH_SAFR_PRO (0x00000008) /* Enable Promiscuous mode */
|
||||
#define NS7520_ETH_SAFR_PRM (0x00000004) /* Accept ALL multicast packets */
|
||||
#define NS7520_ETH_SAFR_PRA (0x00000002) /* Accept multicast packets table */
|
||||
#define NS7520_ETH_SAFR_BROAD (0x00000001) /* Accept ALL Broadcast packets */
|
||||
|
||||
/* HT1 Hash Table 1 Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_HT1_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_HT1_HT1 (0x0000FFFF) /* CRC value 15-0 */
|
||||
|
||||
/* HT2 Hash Table 2 Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_HT2_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_HT2_HT2 (0x0000FFFF) /* CRC value 31-16 */
|
||||
|
||||
/* HT3 Hash Table 3 Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_HT3_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_HT3_HT3 (0x0000FFFF) /* CRC value 47-32 */
|
||||
|
||||
/* HT4 Hash Table 4 Register Bit Fields*/
|
||||
|
||||
#define NS7520_ETH_HT4_RES1 (0xFFFF0000) /* Reserved */
|
||||
#define NS7520_ETH_HT4_HT4 (0x0000FFFF) /* CRC value 63-48 */
|
||||
|
||||
#endif /* CONFIG_DRIVER_NS7520_ETHERNET */
|
||||
|
||||
#endif /* FS_NS7520_ETH_H */
|
||||
|
|
@ -541,7 +541,6 @@ char *eth_get_name (void)
|
|||
#warning Ethernet driver is deprecated. Please update to use CONFIG_NET_MULTI
|
||||
|
||||
extern int mcf52x2_miiphy_initialize(bd_t *bis);
|
||||
extern int ns7520_miiphy_initialize(bd_t *bis);
|
||||
|
||||
|
||||
int eth_initialize(bd_t *bis)
|
||||
|
|
@ -552,9 +551,6 @@ int eth_initialize(bd_t *bis)
|
|||
|
||||
#if defined(CONFIG_MCF52x2)
|
||||
mcf52x2_miiphy_initialize(bis);
|
||||
#endif
|
||||
#if defined(CONFIG_DRIVER_NS7520_ETHERNET)
|
||||
ns7520_miiphy_initialize(bis);
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue