From 27d619b86bd3ea6a36c8d3258ac6cba06b22a6e6 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 28 Apr 2005 16:17:39 +0000 Subject: 2005-04-28 Joel Sherrill * acinclude.m4: Remove dmv177 and ppcn_60x. * dmv177/.cvsignore, dmv177/ChangeLog, dmv177/Makefile.am, dmv177/QUIRKS, dmv177/README, dmv177/README.net, dmv177/STATUS, dmv177/bsp_specs, dmv177/cable.doc, dmv177/configure.ac, dmv177/times, dmv177/clock/clock.c, dmv177/console/conscfg.c, dmv177/console/debugio.c, dmv177/include/.cvsignore, dmv177/include/bsp.h, dmv177/include/dmv170.h, dmv177/include/tm27.h, dmv177/scv64/scv64.c, dmv177/sonic/dmvsonic.c, dmv177/start/start.S, dmv177/startup/bspclean.c, dmv177/startup/bspstart.c, dmv177/startup/genpvec.c, dmv177/startup/linkcmds, dmv177/startup/setvec.c, dmv177/startup/vmeintr.c, dmv177/timer/timer.c, dmv177/tod/todcfg.c, ppcn_60x/.cvsignore, ppcn_60x/ChangeLog, ppcn_60x/Makefile.am, ppcn_60x/README, ppcn_60x/STATUS, ppcn_60x/bsp_specs, ppcn_60x/configure.ac, ppcn_60x/clock/clock.c, ppcn_60x/console/config.c, ppcn_60x/console/console.c, ppcn_60x/console/console.h, ppcn_60x/console/debugio.c, ppcn_60x/console/i8042.c, ppcn_60x/console/i8042_p.h, ppcn_60x/console/i8042vga.c, ppcn_60x/console/i8042vga.h, ppcn_60x/console/ns16550cfg.c, ppcn_60x/console/ns16550cfg.h, ppcn_60x/console/vga.c, ppcn_60x/console/vga_p.h, ppcn_60x/console/z85c30cfg.c, ppcn_60x/console/z85c30cfg.h, ppcn_60x/include/.cvsignore, ppcn_60x/include/bsp.h, ppcn_60x/include/extisrdrv.h, ppcn_60x/include/nvram.h, ppcn_60x/include/pci.h, ppcn_60x/include/tm27.h, ppcn_60x/network/amd79c970.c, ppcn_60x/network/amd79c970.h, ppcn_60x/nvram/ds1385.h, ppcn_60x/nvram/mk48t18.h, ppcn_60x/nvram/nvram.c, ppcn_60x/nvram/prepnvr.h, ppcn_60x/nvram/stk11c68.h, ppcn_60x/pci/pci.c, ppcn_60x/start/start.S, ppcn_60x/startup/bspclean.c, ppcn_60x/startup/bspstart.c, ppcn_60x/startup/bsptrap.S, ppcn_60x/startup/genpvec.c, ppcn_60x/startup/linkcmds, ppcn_60x/startup/rtems-ctor.cc, ppcn_60x/startup/setvec.c, ppcn_60x/startup/spurious.c, ppcn_60x/startup/swap.c, ppcn_60x/timer/timer.c, ppcn_60x/tod/cmos.h, ppcn_60x/tod/tod.c, ppcn_60x/universe/universe.c, ppcn_60x/vectors/README, ppcn_60x/vectors/align_h.S, ppcn_60x/vectors/vectors.S: Removed. --- .../libbsp/powerpc/ppcn_60x/network/amd79c970.c | 1010 -------------------- 1 file changed, 1010 deletions(-) delete mode 100644 c/src/lib/libbsp/powerpc/ppcn_60x/network/amd79c970.c (limited to 'c/src/lib/libbsp/powerpc/ppcn_60x/network/amd79c970.c') diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/network/amd79c970.c b/c/src/lib/libbsp/powerpc/ppcn_60x/network/amd79c970.c deleted file mode 100644 index c09bf2a1d5..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/network/amd79c970.c +++ /dev/null @@ -1,1010 +0,0 @@ -/* - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - */ -/* - * RTEMS/KA9Q driver for PC-NET - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include "amd79c970.h" - -/* - * Number of PC-NETs supported by this driver - */ -#define NPCNETDRIVER 1 - -/* - * Default number of buffer descriptors set aside for this driver. - * The number of transmit buffer descriptors has to be quite large - * since a single frame often uses four or more buffer descriptors. - * - * Set the number of Tx and Rx buffers, using Log_2(# buffers). - */ -#define LANCE_LOG2_TX_BUFFERS 4 -#define LANCE_LOG2_RX_BUFFERS 4 -#define TX_RING_SIZE (1 << (LANCE_LOG2_TX_BUFFERS)) -#define TX_RING_MOD_MASK (TX_RING_SIZE - 1) -#define TX_RING_LEN_BITS ((LANCE_LOG2_TX_BUFFERS) << 4) -#define RX_RING_SIZE (1 << (LANCE_LOG2_RX_BUFFERS)) -#define RX_RING_MOD_MASK (RX_RING_SIZE - 1) -#define RX_RING_LEN_BITS ((LANCE_LOG2_RX_BUFFERS) << 4) - -/* - * RTEMS event used by interrupt handler to signal daemons. - * This must *not* be the same event used by the KA9Q task synchronization. - */ -#define INTERRUPT_EVENT RTEMS_EVENT_1 - -/* - * Receive buffer size -- Allow for a full ethernet packet plus a pointer - */ -#define ETHPKT_SIZE 1520 -#define RBUF_SIZE (ETHPKT_SIZE + sizeof (struct iface *)) - -/* - * LANCE Register Access Macros - */ -#define PCNET_IO_RD32(dp, reg, value) \ - inport_32(&dp->pPCNet->u.dwio.##reg, value) -#define PCNET_IO_WR32(dp, reg, value) \ - outport_32(&dp->pPCNet->u.dwio.##reg, value) - -/* - * LANCE Register Access Macros - */ -#define RD_CSR32(dp, index, value) \ - PCNET_IO_WR32(dp, rap, index); \ - PCNET_IO_RD32(dp, rdp, value) - -#define WR_CSR32(dp, index, value) \ - PCNET_IO_WR32(dp, rap, index); \ - PCNET_IO_WR32(dp, rdp, value) - -#define RD_BCR32(dp, index, value) \ - PCNET_IO_WR32(dp, rap, index); \ - PCNET_IO_RD32(dp, bdp, value) - -#define WR_BCR32(dp, index, value) \ - PCNET_IO_WR32(dp, rap, index); \ - PCNET_IO_WR32(dp, bdp, value) - -/* - * Hardware-specific storage - * - * Note that the enetInitBlk field must be aligned to a 16 byte - * boundary - */ -typedef struct amd79c970Context { - rmde_t rxBdBase[RX_RING_SIZE]; - tmde_t txBdBase[TX_RING_SIZE]; - initblk_t initBlk; - pc_net_t *pPCNet; - uint32_t ulIntVector; - struct mbuf **rxMbuf; - struct mbuf **txMbuf; - int rxBdCount; - int txBdCount; - int txBdHead; - int txBdTail; - int txBdActiveCount; - struct iface *iface; - rtems_id txWaitTid; - - /* - * Statistics - */ - unsigned long rxInterrupts; - unsigned long rxNotFirst; - unsigned long rxNotLast; - unsigned long rxGiant; - unsigned long rxNonOctet; - unsigned long rxRunt; - unsigned long rxBadCRC; - unsigned long rxOverrun; - unsigned long rxCollision; - unsigned long rxDiscarded; - - unsigned long txInterrupts; - unsigned long txDeferred; - unsigned long txHeartbeat; - unsigned long txLateCollision; - unsigned long txRetryLimit; - unsigned long txUnderrun; - unsigned long txLostCarrier; - unsigned long txRawWait; -} amd79c970Context_t; -static amd79c970Context_t *pAmd79c970Context[NPCNETDRIVER]; - -/* - * PC-NET interrupt handler - */ -static rtems_isr -amd79c970_isr (rtems_vector_number v) -{ - uint32_t ulCSR0, ulCSR4, ulCSR5; - amd79c970Context_t *dp; - int i; - - for(i=0; iulIntVector==v) - { - RD_CSR32(dp, CSR0, ulCSR0); - if(ulCSR0 & CSR0_RINT) - { - /* - * We have recieve data - */ - dp->rxInterrupts++; - rtems_event_send( - dp->iface->rxproc, - INTERRUPT_EVENT); - } - - if(ulCSR0 & CSR0_TINT) - { - /* - * Data tranmitted or error - */ - dp->txInterrupts++; - if(dp->txWaitTid) - { - rtems_event_send( - dp->txWaitTid, - INTERRUPT_EVENT); - } - } - - if((ulCSR0 & CSR0_INTR) && - !(ulCSR0 & (CSR0_RINT | CSR0_TINT))) - { - /* - * Many possible sources - */ - RD_CSR32(dp, CSR4, ulCSR4); - RD_CSR32(dp, CSR5, ulCSR5); - DEBUG_puts("CSR0="); - DEBUG_puth(ulCSR0); - DEBUG_puts(", CSR4="); - DEBUG_puth(ulCSR4); - DEBUG_puts(", CSR5="); - DEBUG_puth(ulCSR5); - DEBUG_puts("\n\r"); - /* - * Clear it - */ - WR_CSR32(dp, CSR4, ulCSR4); - WR_CSR32(dp, CSR5, ulCSR5); - } - - /* - * Clear interrupts - */ - ulCSR0&=CSR0_BABL | CSR0_CERR | CSR0_MISS | - CSR0_MERR | CSR0_RINT | CSR0_TINT | CSR0_IENA; - WR_CSR32(dp, CSR0, ulCSR0); - - RD_CSR32(dp, CSR0, ulCSR0); - } - } -} - -/* - * Initialize the ethernet hardware - */ -static boolean -amd79c970_initialize_hardware (int instance, int broadcastFlag) -{ - amd79c970Context_t *dp; - struct mbuf *bp; - int i; - uint8_t ucPCIBusCount; - uint8_t ucBusNumber; - uint8_t ucSlotNumber; - uint32_t ulDeviceID; - uint32_t ulBAR0; - uint8_t ucIntVector; - uint32_t ulInitClkPCIAddr; - uint32_t ulAPROM; - uint32_t ulCSR0; - - ucPCIBusCount=BusCountPCI(); - - /* - * Scan the available busses for instance of hardware - */ - i=0; - - dp=pAmd79c970Context[instance]; - dp->pPCNet=(pc_net_t *)NULL; - - for(ucBusNumber=0; - (ucBusNumberpPCNet==(pc_net_t *)NULL); - ucBusNumber++) - { - for(ucSlotNumber=0;ucSlotNumberpPCNet=(pc_net_t *)(ulBAR0&~PCI_ADDRESS_IO_SPACE); - - /* - * Read interrupt vector - */ - PCIConfigRead8(ucBusNumber, - ucSlotNumber, - 0, - PCI_CONFIG_INTERRUPTLINE, - &ucIntVector); - dp->ulIntVector=PPCN_60X_IRQ_PCI(ucIntVector); - - /* - * Ensure that device is enabled - */ - PCIConfigWrite16(ucBusNumber, - ucSlotNumber, - 0, - PCI_CONFIG_COMMAND, - PCI_ENABLE_IO_SPACE | - PCI_ENABLE_BUS_MASTER); - break; - } - } - - if(dp->pPCNet==(pc_net_t *)NULL) - { - return(FALSE); - } - - /* - * Read the ethernet number - */ - if(!dp->iface->hwaddr) - { - dp->iface->hwaddr=mallocw (EADDR_LEN); - PCNET_IO_RD32(dp, aprom[0], ulAPROM); - for(i=0;i<4;i++) - { - dp->iface->hwaddr[i]=(ulAPROM>>(i*8))&0xff; - } - PCNET_IO_RD32(dp, aprom[1], ulAPROM); - for(i=0;i<2;i++) - { - dp->iface->hwaddr[i+4]=(ulAPROM>>(i*8))&0xff; - } - } - - /* - * Allocate mbuf pointers - */ - dp->rxMbuf=mallocw (dp->rxBdCount * sizeof(*dp->rxMbuf)); - dp->txMbuf=mallocw (dp->txBdCount * sizeof(*dp->txMbuf)); - - /* - * Allocate space for incoming packets - */ - for(i=0; irxBdCount; i++) - { - dp->rxMbuf[i]=bp=ambufw (RBUF_SIZE); - bp->data += sizeof (struct iface *); - dp->rxBdBase[i].rmde_addr= - Swap32((uint32_t)bp->data+PCI_SYS_MEM_BASE); - dp->rxBdBase[i].rmde_bcnt= - Swap16(-(bp->size-sizeof (struct iface *))); - dp->rxBdBase[i].rmde_flags=Swap16(RFLG_OWN); - } - - /* - * Set up transmit buffer descriptors - */ - for(i=0; itxBdCount; i++) - { - dp->txBdBase[i].tmde_status=Swap16(TST_STP | TST_ENP); - dp->txBdBase[i].tmde_error=0; - dp->txMbuf[i]=NULL; - } - - /* - * Initialise initblk - */ - if(broadcastFlag) - { - dp->initBlk.ib_mode=0; - } - else - { - dp->initBlk.ib_mode=Swap16(CSR15_DRCVBC); - } - - /* - * Set the receive descriptor ring length - */ - dp->initBlk.ib_rlen=RX_RING_LEN_BITS; - /* - * Set the receive descriptor ring address - */ - dp->initBlk.ib_rdra=Swap32((uint32_t)&dp->rxBdBase[0]+ - PCI_SYS_MEM_BASE); - - /* - * Set the transmit descriptor ring length - */ - dp->initBlk.ib_tlen=TX_RING_LEN_BITS; - /* - * Set the tranmit descriptor ring address - */ - dp->initBlk.ib_tdra=Swap32((uint32_t)&dp->txBdBase[0]+ - PCI_SYS_MEM_BASE); - - for(i=0;i<6;i++) - { - dp->initBlk.ib_padr[i]=dp->iface->hwaddr[i]; - } - - /* - * Ensure that we are in DWIO mode - */ - PCNET_IO_WR32(dp, rdp, 0); - - WR_CSR32(dp, 58,CSR58_PCISTYLE); - - WR_CSR32(dp, CSR3, - CSR3_BABLM | CSR3_MERRM | CSR3_IDONM | CSR3_DXSUFLO); - - WR_CSR32(dp, CSR4, - CSR4_APADXMIT | CSR4_MFCOM | CSR4_RCVCCOM | - CSR4_TXSTRTM | CSR4_JABM); - - WR_CSR32(dp, CSR5, 0); - - ulInitClkPCIAddr=(uint32_t)&dp->initBlk+PCI_SYS_MEM_BASE; - /* - * CSR2 must contain the high order 16 bits of the first word in - * the initialization block - */ - WR_CSR32(dp, CSR2, (ulInitClkPCIAddr >> 16) & 0xffff); - /* - * CSR1 must contain the low order 16 bits of the first word in - * the initialization block - */ - WR_CSR32(dp, CSR1, (ulInitClkPCIAddr & 0xffff)); - - /* - * Set up interrupts - */ - set_vector(amd79c970_isr, - dp->ulIntVector, - instance); - - /* - * Start the device - */ - WR_CSR32(dp, CSR0, CSR0_INIT | CSR0_STRT); - - /* - * Wait for 100mS for the device to initialise - */ - for(i=0; i<100; i++) - { - RD_CSR32(dp, CSR0, ulCSR0); - if(ulCSR0 & CSR0_IDON) - { - break; - } - rtems_ka9q_ppause(1); /* 1mS */ - } - if(i >= 100) - { - return(FALSE); - } - - /* - * Enable interrupts - */ - WR_CSR32(dp, CSR0, CSR0_IENA); - - dp->txBdHead=dp->txBdTail=0; - dp->txBdActiveCount=0; - - return(TRUE); -} - -/* - * Soak up buffer descriptors that have been sent - */ -static void -amd79c970_retire_tx_bd (amd79c970Context_t *dp) -{ - uint16_t status; - uint32_t error; - int i; - int nRetired; - - i = dp->txBdTail; - nRetired = 0; - while((dp->txBdActiveCount != 0) && - (((status=Swap16(dp->txBdBase[i].tmde_status)) & TST_OWN)==0)) - { - /* - * See if anything went wrong - */ - if(status & TST_ERR) - { - /* - * Check for errors - */ - error=Swap16(dp->txBdBase[i].tmde_error); - - if (error & TERR_LCOL) - dp->txLateCollision++; - if (error & TERR_RTRY) - dp->txRetryLimit++; - if (error & TERR_UFLO) - dp->txUnderrun++; - if (error & TERR_EXDEF) - dp->txDeferred++; - if (error & TERR_LCAR) - dp->txLostCarrier++; - } - nRetired++; - if (status & TST_ENP) - { - /* - * A full frame has been transmitted. - * Free all the associated buffer descriptors. - */ - dp->txBdActiveCount -= nRetired; - while (nRetired) { - nRetired--; - free_mbuf (&dp->txMbuf[dp->txBdTail]); - if (++dp->txBdTail == dp->txBdCount) - dp->txBdTail = 0; - } - } - if (++i == dp->txBdCount) - { - i = 0; - } - } -} - -/* - * Send raw packet (caller provides header). - * This code runs in the context of the interface transmit - * task or in the context of the network task. - */ -static int -amd79c970_raw (struct iface *iface, struct mbuf **bpp) -{ - amd79c970Context_t *dp; - struct mbuf *bp; - tmde_t *firstTxBd, *txBd; - uint16_t status; - int nAdded; - - dp = pAmd79c970Context[iface->dev]; - - /* - * Fill in some logging data - */ - iface->rawsndcnt++; - iface->lastsent = secclock (); - dump (iface, IF_TRACE_OUT, *bpp); - - /* - * It would not do to have two tasks active in the transmit - * loop at the same time. - * The blocking is simple-minded since the odds of two tasks - * simultaneously attempting to use this code are low. The only - * way that two tasks can try to run here is: - * 1) Task A enters this code and ends up having to - * wait for a transmit buffer descriptor. - * 2) Task B gains control and tries to transmit a packet. - * The RTEMS/KA9Q scheduling semaphore ensures that there - * are no race conditions associated with manipulating the - * txWaitTid variable. - */ - if (dp->txWaitTid) { - dp->txRawWait++; - while (dp->txWaitTid) - rtems_ka9q_ppause (10); - } - - /* - * Free up buffer descriptors - */ - amd79c970_retire_tx_bd (dp); - - /* - * Set up the transmit buffer descriptors. - * No need to pad out short packets since the - * hardware takes care of that automatically. - * No need to copy the packet to a contiguous buffer - * since the hardware is capable of scatter/gather DMA. - */ - bp = *bpp; - nAdded = 0; - txBd = firstTxBd = dp->txBdBase + dp->txBdHead; - for (;;) { - /* - * Wait for buffer descriptor to become available. - */ - if ((dp->txBdActiveCount + nAdded) == dp->txBdCount) { - /* - * Find out who we are - */ - if (dp->txWaitTid == 0) - rtems_task_ident (0, 0, &dp->txWaitTid); - - /* - * Wait for buffer descriptor to become available. - * Note that the buffer descriptors are checked - * *before* * entering the wait loop -- this catches - * the possibility that a buffer descriptor became - * available between the `if' above, and the clearing - * of the event register. - * Also, the event receive doesn't wait forever. - * This is to catch the case where the transmitter - * stops in the middle of a frame -- and only the - * last buffer descriptor in a frame can generate - * an interrupt. - */ - amd79c970_retire_tx_bd (dp); - while ((dp->txBdActiveCount + nAdded) == dp->txBdCount) { - rtems_ka9q_event_receive (INTERRUPT_EVENT, - RTEMS_WAIT|RTEMS_EVENT_ANY, - 1 + 1000000/BSP_Configuration.microseconds_per_tick); - amd79c970_retire_tx_bd (dp); - } - } - - /* - * Fill in the buffer descriptor - */ - txBd->tmde_addr=Swap32((uint32_t)bp->data+PCI_SYS_MEM_BASE); - txBd->tmde_bcnt=Swap16(-bp->cnt); - dp->txMbuf[dp->txBdHead] = bp; - - nAdded++; - if (++dp->txBdHead == dp->txBdCount) - { - dp->txBdHead = 0; - } - - /* - * Set the transmit buffer status. - * Break out of the loop if this mbuf is the last in the frame. - */ - if ((bp = bp->next) == NULL) { - if(txBd==firstTxBd) - { - /* - * There is only one frame - */ - txBd->tmde_status=Swap16(TST_OWN | - TST_STP | - TST_ENP); - } - else - { - /* - * Mark the last buffer - */ - txBd->tmde_status=Swap16(TST_OWN | - TST_ENP); - /* - * Trigger the first transmit - */ - firstTxBd->tmde_status=Swap16(TST_OWN | - TST_STP); - } - /* - * Sync instruction required to overcome the Grackle - * stale data bug - */ - asm volatile("sync"); - dp->txBdActiveCount += nAdded; - break; - } - else if(txBd!=firstTxBd) - { - txBd->tmde_status = Swap16(TST_OWN); - } - txBd = dp->txBdBase + dp->txBdHead; - } - - /* - * Show that we've finished with the packet - */ - dp->txWaitTid = 0; - *bpp = NULL; - return 0; -} - -/* - * PC-NET reader task - */ -static void -amd79c970_rx (int dev, void *p1, void *p2) -{ - struct iface *iface=(struct iface *)p1; - amd79c970Context_t *dp=(amd79c970Context_t *)p2; - struct mbuf *bp; - uint16_t status; - rmde_t *rxBd; - int rxBdIndex; - int continuousCount; - - /* - * Input packet handling loop - */ - continuousCount=0; - rxBdIndex=0; - - while(TRUE) - { - rxBd=&dp->rxBdBase[rxBdIndex]; - - /* - * Wait for packet if there's not one ready - */ - if((status=Swap16(rxBd->rmde_flags)) & RFLG_OWN) - { - /* - * Reset `continuous-packet' count - */ - continuousCount=0; - - /* - * Wait for packet - * Note that the buffer descriptor is checked - * *before* the event wait -- this catches the - * possibility that a packet arrived between the - * `if' above, and the clearing of the event register. - */ - while ((status=Swap16(rxBd->rmde_flags)) & RFLG_OWN) - { - rtems_ka9q_event_receive (INTERRUPT_EVENT, - RTEMS_WAIT|RTEMS_EVENT_ANY, - RTEMS_NO_TIMEOUT); - } - } - - /* - * Check that packet is valid - */ - if((status & RFLG_ERR) || - ((status & (RFLG_STP|RFLG_ENP)) != (RFLG_STP|RFLG_ENP))) - { - /* - * Something went wrong with the reception - */ - if(!(status & RFLG_ENP)) - dp->rxNotLast++; - if(!(status & RFLG_STP)) - dp->rxNotFirst++; - if(status & RFLG_OFLO) - dp->rxGiant++; - if(status & RFLG_FRAM) - dp->rxNonOctet++; - if(status & RFLG_CRC) - dp->rxBadCRC++; - if(status & RFLG_BUFF) - dp->rxOverrun++; - } - else - { - /* - * Pass the packet up the chain - * The mbuf count is reduced to remove - * the frame check sequence at the end - * of the packet. - */ - bp=dp->rxMbuf[rxBdIndex]; - bp->cnt=Swap16(rxBd->rmde_mcnt) - sizeof (uint32); - net_route (iface, &bp); - - /* - * Give the network code a chance to digest the - * packet. This guards against a flurry of - * incoming packets (usually an ARP storm) from - * using up all the available memory. - */ - if(++continuousCount >= dp->rxBdCount) - kwait_null (); - - /* - * Allocate a new mbuf - * FIXME: It seems to me that it would be better - * if there were some way to limit number of mbufs - * in use by this interface, but I don't see any - * way of determining when the mbuf we pass up - * is freed. - */ - dp->rxMbuf[rxBdIndex]=bp=ambufw (RBUF_SIZE); - bp->data += sizeof (struct iface *); - rxBd->rmde_addr=Swap32( - (uint32_t)bp->data+PCI_SYS_MEM_BASE); - rxBd->rmde_bcnt=Swap16( - -(bp->size-sizeof (struct iface *))); - } - - /* - * Reenable the buffer descriptor - */ - rxBd->rmde_flags=Swap16(RFLG_OWN); - - /* - * Move to next buffer descriptor - */ - if(++rxBdIndex==dp->rxBdCount) - rxBdIndex=0; - } -} - -/* - * Shut down the interface - * FIXME: This is a pretty simple-minded routine. It doesn't worry - * about cleaning up mbufs, shutting down daemons, etc. - */ -static int -amd79c970_stop (struct iface *iface) -{ - amd79c970Context_t *dp; - uint32_t ulCSR0; - int i; - - dp=pAmd79c970Context[iface->dev]; - - /* - * Stop the device - */ - WR_CSR32(dp, CSR0, CSR0_STOP); - - /* - * Wait for 100mS for the device to stop - */ - for(i=0; i<100; i++) - { - RD_CSR32(dp, CSR0, ulCSR0); - if(!(ulCSR0 & (CSR0_RXON | CSR0_TXON))) - { - break; - } - rtems_ka9q_ppause(1); /* 1mS */ - } - if(i >= 100) - { - return(-1); - } - - /* - * Free up all the mbufs we've allocated - */ - for(i=0; irxBdCount; i++) - { - free_mbuf(&dp->rxMbuf[i]); - } - - return 0; -} - -/* - * Show interface statistics - */ -static void -amd79c970_show (struct iface *iface) -{ - int i; - - i=iface->dev; - - printf (" Rx Interrupts:%-8lu", pAmd79c970Context[i]->rxInterrupts); - printf (" Not First:%-8lu", pAmd79c970Context[i]->rxNotFirst); - printf (" Not Last:%-8lu\n", pAmd79c970Context[i]->rxNotLast); - printf (" Giant:%-8lu", pAmd79c970Context[i]->rxGiant); - printf (" Runt:%-8lu", pAmd79c970Context[i]->rxRunt); - printf (" Non-octet:%-8lu\n", pAmd79c970Context[i]->rxNonOctet); - printf (" Bad CRC:%-8lu", pAmd79c970Context[i]->rxBadCRC); - printf (" Overrun:%-8lu", pAmd79c970Context[i]->rxOverrun); - printf (" Collision:%-8lu\n", pAmd79c970Context[i]->rxCollision); - printf (" Discarded:%-8lu\n", pAmd79c970Context[i]->rxDiscarded); - - printf (" Tx Interrupts:%-8lu", pAmd79c970Context[i]->txInterrupts); - printf (" Deferred:%-8lu", pAmd79c970Context[i]->txDeferred); - printf (" Missed Hearbeat:%-8lu\n", pAmd79c970Context[i]->txHeartbeat); - printf (" No Carrier:%-8lu", pAmd79c970Context[i]->txLostCarrier); - printf ("Retransmit Limit:%-8lu", pAmd79c970Context[i]->txRetryLimit); - printf (" Late Collision:%-8lu\n", pAmd79c970Context[i]->txLateCollision); - printf (" Underrun:%-8lu", pAmd79c970Context[i]->txUnderrun); - printf (" Raw output wait:%-8lu\n", pAmd79c970Context[i]->txRawWait); -} - -/* - * Attach an PC-NET driver to the system - * This is the only `extern' function in the driver. - * - * argv[0]: interface label, e.g., "amd79c970" - * argv[1]: maximum transmission unit, bytes, e.g., "1500" - * argv[2]: accept ("broadcast") or ignore ("nobroadcast") broadcast packets - * Following arguments are optional, but if present, must appear in - * the following order: - * Following arguments are optional, but if Ethernet address is - * specified, Internet address must also be specified. - * ###.###.###.### -- IP address - * ##:##:##:##:##:## -- Ethernet address - */ -int -rtems_ka9q_driver_attach (int argc, char *argv[], void *p) -{ - struct iface *iface; - struct amd79c970Context *dp; - char *cp; - int i; - int argIndex; - int broadcastFlag; - - /* - * Find a free driver - */ - for(i=0; iname=strdup (argv[0]); - iface->mtu=atoi (argv[1]); - - /* - * Select broadcast packet handling - */ - cp=argv[2]; - if(strnicmp (cp, "broadcast", strlen (cp))==0) - { - broadcastFlag=1; - } - else if(strnicmp (cp, "nobroadcast", strlen (cp))==0) - { - broadcastFlag=0; - } - else { - printf ("Argument `%s' is neither `broadcast' nor `nobroadcast'.\n", cp); - return -1; - } - argIndex=3; - - /* - * Set receive buffer descriptor count - */ - dp->rxBdCount=RX_RING_SIZE; - - /* - * Set transmit buffer descriptor count - */ - dp->txWaitTid=0; - dp->txBdCount=TX_RING_SIZE; - - /* - * Set Internet address - */ - if(argIndexaddr=resolve (argv[argIndex++]); - else - iface->addr=Ip_addr; - - /* - * Set Ethernet address - */ - if(argIndexhwaddr=mallocw (EADDR_LEN); - gether (iface->hwaddr, argv[argIndex++]); - } - - iface->dev=i; - iface->raw=amd79c970_raw; - iface->stop=amd79c970_stop; - iface->show=amd79c970_show; - dp->iface=iface; - setencap (iface, "Ethernet"); - - /* - * Set up PC-NET hardware - */ - if(!amd79c970_initialize_hardware (i, broadcastFlag)) - { - printf ("Unable to initialize hardware for %s\n", argv[0]); - return -1; - } - - /* - * Chain onto list of interfaces - */ - iface->next=Ifaces; - Ifaces=iface; - - /* - * Start I/O daemons - */ - cp=if_name (iface, " tx"); - iface->txproc=newproc (cp, 1024, if_tx, iface->dev, iface, NULL, 0); - free (cp); - cp=if_name (iface, " rx"); - iface->rxproc=newproc (cp, 1024, amd79c970_rx, iface->dev, iface, dp, 0); - free (cp); - return 0; -} - -/* - * FIXME: There should be an ioctl routine to allow things like - * enabling/disabling reception of broadcast packets. - */ -- cgit v1.2.3