summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/powerpc/mbx8xx/network
diff options
context:
space:
mode:
authorJoel Sherrill <joel@rtems.org>2016-01-23 16:49:29 -0600
committerJoel Sherrill <joel@rtems.org>2016-01-23 16:49:29 -0600
commit2dca2e62414b32cb59218ca689b990d0864403f0 (patch)
treedc580256a1c88b162eeed36891ef419635aeac2f /c/src/lib/libbsp/powerpc/mbx8xx/network
parent482d4974b86d43ede7a24aeb5f3dd0d251901319 (diff)
downloadrtems-2dca2e62414b32cb59218ca689b990d0864403f0.tar.bz2
Obsolete and remove powerpc/mbx8xx
closes #2545.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mbx8xx/network')
-rw-r--r--c/src/lib/libbsp/powerpc/mbx8xx/network/network.c1743
1 files changed, 0 insertions, 1743 deletions
diff --git a/c/src/lib/libbsp/powerpc/mbx8xx/network/network.c b/c/src/lib/libbsp/powerpc/mbx8xx/network/network.c
deleted file mode 100644
index 2e4295d7bf..0000000000
--- a/c/src/lib/libbsp/powerpc/mbx8xx/network/network.c
+++ /dev/null
@@ -1,1743 +0,0 @@
-/*
- * RTEMS/TCPIP driver for MPC8xx SCC1 Ethernet
- *
- * Modified for MPC860 by Jay Monkman (jmonkman@frasca.com)
- *
- * This supports Ethernet on either SCC1 or the FEC of the MPC860T.
- * Right now, we only do 10 Mbps, even with the FEC. The function
- * rtems_enet_driver_attach determines which one to use. Currently,
- * only one may be used at a time.
- *
- * Based on the MC68360 network driver by
- * W. Eric Norum
- * Saskatchewan Accelerator Laboratory
- * University of Saskatchewan
- * Saskatoon, Saskatchewan, CANADA
- * eric@skatter.usask.ca
- *
- * This supports ethernet on SCC1. Right now, we only do 10 Mbps.
- *
- * Modifications by Darlene Stewart <Darlene.Stewart@iit.nrc.ca>
- * and Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
- * Copyright (c) 1999, National Research Council of Canada
- */
-#include <bsp.h>
-#include <stdio.h>
-#include <errno.h>
-#include <rtems/error.h>
-#include <rtems/rtems_bsdnet.h>
-
-#include <sys/param.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/sockio.h>
-
-#include <net/if.h>
-
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-#include <bsp/irq.h>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-
-/*
- * Number of interfaces supported by this driver
- */
-#define NIFACES 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.
- */
-#define RX_BUF_COUNT 32
-#define TX_BUF_COUNT 8
-#define TX_BD_PER_BUF 4
-
-#define INET_ADDR_MAX_BUF_SIZE (sizeof "255.255.255.255")
-
-/*
- * RTEMS event used by interrupt handler to signal daemons.
- * This must *not* be the same event used by the TCP/IP task synchronization.
- */
-#define INTERRUPT_EVENT RTEMS_EVENT_1
-
-/*
- * RTEMS event used to start transmit daemon.
- * This must not be the same as INTERRUPT_EVENT.
- */
-#define START_TRANSMIT_EVENT RTEMS_EVENT_2
-
-/*
- * Receive buffer size -- Allow for a full ethernet packet plus CRC (1518).
- * Round off to nearest multiple of RBUF_ALIGN.
- */
-#define MAX_MTU_SIZE 1518
-#define RBUF_ALIGN 4
-#define RBUF_SIZE ((MAX_MTU_SIZE + RBUF_ALIGN) & ~RBUF_ALIGN)
-
-#if (MCLBYTES < RBUF_SIZE)
-# error "Driver must have MCLBYTES > RBUF_SIZE"
-#endif
-
-/*
- * Per-device data
- */
-struct m8xx_enet_struct {
- struct arpcom arpcom;
- struct mbuf **rxMbuf;
- struct mbuf **txMbuf;
- int acceptBroadcast;
- int rxBdCount;
- int txBdCount;
- int txBdHead;
- int txBdTail;
- int txBdActiveCount;
- m8xxBufferDescriptor_t *rxBdBase;
- m8xxBufferDescriptor_t *txBdBase;
- rtems_id rxDaemonTid;
- rtems_id txDaemonTid;
-
- /*
- * 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 txInterrupts;
- unsigned long txDeferred;
- unsigned long txHeartbeat;
- unsigned long txLateCollision;
- unsigned long txRetryLimit;
- unsigned long txUnderrun;
- unsigned long txLostCarrier;
- unsigned long txRawWait;
-};
-static struct m8xx_enet_struct enet_driver[NIFACES];
-
-static void m8xx_scc1_ethernet_on(const rtems_irq_connect_data* ptr)
-{
-}
-
-static void m8xx_scc1_ethernet_off(const rtems_irq_connect_data* ptr)
-{
- /*
- * Please put relevant code there
- */
-}
-
-static void m8xx_scc1_ethernet_isOn(const rtems_irq_connect_data* ptr)
-{
- BSP_irq_enabled_at_cpm (ptr->name);
-}
-
-/*
- * SCC1 interrupt handler
- */
-static void m8xx_scc1_interrupt_handler (void *unused)
-{
- /* Frame received? */
- if ((m8xx.scc1.sccm & 0x8) && (m8xx.scc1.scce & 0x8)) {
- m8xx.scc1.scce = 0x8; /* Clear receive frame int */
- m8xx.scc1.sccm &= ~0x8; /* Disable receive frame ints */
- enet_driver[0].rxInterrupts++; /* Rx int has occurred */
- rtems_bsdnet_event_send (enet_driver[0].rxDaemonTid, INTERRUPT_EVENT);
- }
-
- /* Buffer transmitted or transmitter error? */
- if ((m8xx.scc1.sccm & 0x12) && (m8xx.scc1.scce & 0x12)) {
- m8xx.scc1.scce = 0x12; /* Clear Tx int */
- m8xx.scc1.sccm &= ~0x12; /* Disable Tx ints */
- enet_driver[0].txInterrupts++; /* Tx int has occurred */
- rtems_bsdnet_event_send (enet_driver[0].txDaemonTid, INTERRUPT_EVENT);
- }
-}
-
-#ifdef MPC860T
-/*
- * FEC interrupt handler
- */
-static void m860_fec_interrupt_handler ()
-{
- /*
- * Frame received?
- */
- if (m8xx.fec.ievent & M8xx_FEC_IEVENT_RFINT) {
- m8xx.fec.ievent = M8xx_FEC_IEVENT_RFINT;
- enet_driver[0].rxInterrupts++;
- rtems_bsdnet_event_send (enet_driver[0].rxDaemonTid, INTERRUPT_EVENT);
- }
-
- /*
- * Buffer transmitted or transmitter error?
- */
- if (m8xx.fec.ievent & M8xx_FEC_IEVENT_TFINT) {
- m8xx.fec.ievent = M8xx_FEC_IEVENT_TFINT;
- enet_driver[0].txInterrupts++;
- rtems_bsdnet_event_send (enet_driver[0].txDaemonTid, INTERRUPT_EVENT);
- }
-}
-#endif
-
-static rtems_irq_connect_data ethernetSCC1IrqData = {
- BSP_CPM_IRQ_SCC1,
- (rtems_irq_hdl) m8xx_scc1_interrupt_handler,
- 0,
- (rtems_irq_enable) m8xx_scc1_ethernet_on,
- (rtems_irq_disable) m8xx_scc1_ethernet_off,
- (rtems_irq_is_enabled)m8xx_scc1_ethernet_isOn
-};
-
-/*
- * Initialize the ethernet hardware
- */
-static void
-m8xx_enet_initialize (struct m8xx_enet_struct *sc)
-{
- int i;
- unsigned char *hwaddr;
-
- /*
- * Configure port A
- * PA15 is enet RxD. Set PAPAR(15) to 1, PADIR(15) to 0.
- * PA14 is enet TxD. Set PAPAR(14) to 1, PADIR(14) to 0, PAODR(14) to 0.
- * PA7 is input CLK1. Set PAPAR(7) to 1, PADIR(7) to 0.
- * PA6 is input CLK2. Set PAPAR(6) to 1, PADIR(6) to 0.
- */
- m8xx.papar |= 0x303;
- m8xx.padir &= ~0x303;
- m8xx.paodr &= ~0x2;
-
- /*
- * Configure port C
- * PC11 is CTS1*. Set PCPAR(11) to 0, PCDIR(11) to 0, and PCSO(11) to 1.
- * PC10 is CD1*. Set PCPAR(10) to 0, PCDIR(10) to 0, and PCSO(10) to 1.
- */
- m8xx.pcpar &= ~0x30;
- m8xx.pcdir &= ~0x30;
- m8xx.pcso |= 0x30;
-
- /*
- * Connect CLK1 and CLK2 to SCC1 in the SICR.
- * CLK1 is TxClk, CLK2 is RxClk. No grant mechanism, SCC1 is directly
- * connected to the NMSI pins.
- * R1CS = 0b101 (CLK2)
- * T1CS = 0b100 (CLK1)
- */
- m8xx.sicr |= 0x2C;
-
- /*
- * Initialize SDMA configuration register
- */
- m8xx.sdcr = 1;
-
- /*
- * Allocate mbuf pointers
- */
- sc->rxMbuf = malloc (sc->rxBdCount * sizeof *sc->rxMbuf,
- M_MBUF, M_NOWAIT);
- sc->txMbuf = malloc (sc->txBdCount * sizeof *sc->txMbuf,
- M_MBUF, M_NOWAIT);
- if (!sc->rxMbuf || !sc->txMbuf)
- rtems_panic ("No memory for mbuf pointers");
-
- /*
- * Set receiver and transmitter buffer descriptor bases
- */
- sc->rxBdBase = m8xx_bd_allocate(sc->rxBdCount);
- sc->txBdBase = m8xx_bd_allocate(sc->txBdCount);
- m8xx.scc1p.rbase = (char *)sc->rxBdBase - (char *)&m8xx;
- m8xx.scc1p.tbase = (char *)sc->txBdBase - (char *)&m8xx;
-
- /*
- * Send "Init parameters" command
- */
- m8xx_cp_execute_cmd (M8xx_CR_OP_INIT_RX_TX | M8xx_CR_CHAN_SCC1);
-
- /*
- * Set receive and transmit function codes
- */
- m8xx.scc1p.rfcr = M8xx_RFCR_MOT | M8xx_RFCR_DMA_SPACE(0);
- m8xx.scc1p.tfcr = M8xx_TFCR_MOT | M8xx_TFCR_DMA_SPACE(0);
-
- /*
- * Set maximum receive buffer length
- */
- m8xx.scc1p.mrblr = RBUF_SIZE;
-
- /*
- * Set CRC parameters
- */
- m8xx.scc1p.un.ethernet.c_pres = 0xFFFFFFFF;
- m8xx.scc1p.un.ethernet.c_mask = 0xDEBB20E3;
-
- /*
- * Clear diagnostic counters
- */
- m8xx.scc1p.un.ethernet.crcec = 0;
- m8xx.scc1p.un.ethernet.alec = 0;
- m8xx.scc1p.un.ethernet.disfc = 0;
-
- /*
- * Set pad value
- */
- m8xx.scc1p.un.ethernet.pads = 0x8888;
-
- /*
- * Set retry limit
- */
- m8xx.scc1p.un.ethernet.ret_lim = 15;
-
- /*
- * Set maximum and minimum frame length
- */
- m8xx.scc1p.un.ethernet.mflr = 1518;
- m8xx.scc1p.un.ethernet.minflr = 64;
- m8xx.scc1p.un.ethernet.maxd1 = MAX_MTU_SIZE;
- m8xx.scc1p.un.ethernet.maxd2 = MAX_MTU_SIZE;
-
- /*
- * Clear group address hash table
- */
- m8xx.scc1p.un.ethernet.gaddr1 = 0;
- m8xx.scc1p.un.ethernet.gaddr2 = 0;
- m8xx.scc1p.un.ethernet.gaddr3 = 0;
- m8xx.scc1p.un.ethernet.gaddr4 = 0;
-
- /*
- * Set our physical address
- */
- hwaddr = sc->arpcom.ac_enaddr;
-
- m8xx.scc1p.un.ethernet.paddr_h = (hwaddr[5] << 8) | hwaddr[4];
- m8xx.scc1p.un.ethernet.paddr_m = (hwaddr[3] << 8) | hwaddr[2];
- m8xx.scc1p.un.ethernet.paddr_l = (hwaddr[1] << 8) | hwaddr[0];
-
- /*
- * Aggressive retry
- */
- m8xx.scc1p.un.ethernet.p_per = 0;
-
- /*
- * Clear individual address hash table
- */
- m8xx.scc1p.un.ethernet.iaddr1 = 0;
- m8xx.scc1p.un.ethernet.iaddr2 = 0;
- m8xx.scc1p.un.ethernet.iaddr3 = 0;
- m8xx.scc1p.un.ethernet.iaddr4 = 0;
-
- /*
- * Clear temp address
- */
- m8xx.scc1p.un.ethernet.taddr_l = 0;
- m8xx.scc1p.un.ethernet.taddr_m = 0;
- m8xx.scc1p.un.ethernet.taddr_h = 0;
-
- /*
- * Set up receive buffer descriptors
- */
- for (i = 0 ; i < sc->rxBdCount ; i++) {
- (sc->rxBdBase + i)->status = 0;
- }
-
- /*
- * Set up transmit buffer descriptors
- */
- for (i = 0 ; i < sc->txBdCount ; i++) {
- (sc->txBdBase + i)->status = 0;
- sc->txMbuf[i] = NULL;
- }
- sc->txBdHead = sc->txBdTail = 0;
- sc->txBdActiveCount = 0;
-
- /*
- * Clear any outstanding events
- */
- m8xx.scc1.scce = 0xFFFF;
-
- /*
- * Set up interrupts
- */
- if (!BSP_install_rtems_irq_handler (&ethernetSCC1IrqData)) {
- rtems_panic ("Can't attach M8xx SCC1 interrupt handler\n");
- }
- m8xx.scc1.sccm = 0; /* No interrupts unmasked till necessary */
-
- /*
- * Set up General SCC Mode Register
- * Ethernet configuration
- */
- m8xx.scc1.gsmr_h = 0x0;
- m8xx.scc1.gsmr_l = 0x1088000c;
-
- /*
- * Set up data synchronization register
- * Ethernet synchronization pattern
- */
- m8xx.scc1.dsr = 0xd555;
-
- /*
- * Set up protocol-specific mode register
- * No Heartbeat check
- * No force collision
- * Discard short frames
- * Individual address mode
- * Ethernet CRC
- * Not promisuous
- * Ignore/accept broadcast packets as specified
- * Normal backoff timer
- * No loopback
- * No input sample at end of frame
- * 64-byte limit for late collision
- * Wait 22 bits before looking for start of frame delimiter
- * Disable full-duplex operation
- */
- m8xx.scc1.psmr = 0x080A | (sc->acceptBroadcast ? 0 : 0x100);
-
- /*
- * Enable the TENA (RTS1*) pin
- */
- m8xx.pcpar |= 0x1;
- m8xx.pcdir &= ~0x1;
-
- /*
- * Enable receiver and transmitter
- */
- m8xx.scc1.gsmr_l = 0x1088003c;
-}
-
-#ifdef MPC860T
-/*
- * Please organize FEC controller code better by moving code from
- * m860_fec_initialize_hardware to m8xx_fec_ethernet_on
- */
-static void m8xx_fec_ethernet_on(){};
-static void m8xx_fec_ethernet_off(){};
-static int m8xx_fec_ethernet_isOn (const rtems_irq_connect_data* ptr)
-{
- return BSP_irq_enabled_at_siu (ptr->name);
-}
-
-static rtems_irq_connect_data ethernetFECIrqData = {
- BSP_FAST_ETHERNET_CTRL,
- (rtems_irq_hdl) m8xx_fec_interrupt_handler,
- (rtems_irq_enable) m8xx_fec_ethernet_on,
- (rtems_irq_disable) m8xx_fec_ethernet_off,
- (rtems_irq_is_enabled)m8xx_fec_ethernet_isOn
-};
-
-static void
-m860_fec_initialize_hardware (struct m860_enet_struct *sc)
-{
- int i;
- unsigned char *hwaddr;
- rtems_status_code status;
-
- /*
- * Issue reset to FEC
- */
- m8xx.fec.ecntrl=0x1;
-
- /*
- * Put ethernet transciever in reset
- */
- m8xx.pgcra |= 0x80;
-
- /*
- * Configure I/O ports
- */
- m8xx.pdpar = 0x1fff;
- m8xx.pddir = 0x1c58;
-
- /*
- * Take ethernet transciever out of reset
- */
- m8xx.pgcra &= ~0x80;
-
- /*
- * Set SIU interrupt level to LVL2
- *
- */
- m8xx.fec.ivec = ((((unsigned) BSP_FAST_ETHERNET_CTRL)/2) << 29);
-
- /*
- * Set the TX and RX fifo sizes. For now, we'll split it evenly
- */
- /* If you uncomment these, the FEC will not work right.
- m8xx.fec.r_fstart = ((m8xx.fec.r_bound & 0x3ff) >> 2) & 0x3ff;
- m8xx.fec.x_fstart = 0;
- */
-
- /*
- * Set our physical address
- */
- hwaddr = sc->arpcom.ac_enaddr;
-
- m8xx.fec.addr_low = (hwaddr[0] << 24) | (hwaddr[1] << 16) |
- (hwaddr[2] << 8) | (hwaddr[3] << 0);
- m8xx.fec.addr_high = (hwaddr[4] << 24) | (hwaddr[5] << 16);
-
- /*
- * Clear the hash table
- */
- m8xx.fec.hash_table_high = 0;
- m8xx.fec.hash_table_low = 0;
-
- /*
- * Set up receive buffer size
- */
- m8xx.fec.r_buf_size = 0x5f0; /* set to 1520 */
-
- /*
- * Allocate mbuf pointers
- */
- sc->rxMbuf = malloc (sc->rxBdCount * sizeof *sc->rxMbuf,
- M_MBUF, M_NOWAIT);
- sc->txMbuf = malloc (sc->txBdCount * sizeof *sc->txMbuf,
- M_MBUF, M_NOWAIT);
- if (!sc->rxMbuf || !sc->txMbuf)
- rtems_panic ("No memory for mbuf pointers");
-
- /*
- * Set receiver and transmitter buffer descriptor bases
- */
- sc->rxBdBase = m8xx_bd_allocate(sc->rxBdCount);
- sc->txBdBase = m8xx_bd_allocate(sc->txBdCount);
- m8xx.fec.r_des_start = (int)sc->rxBdBase;
- m8xx.fec.x_des_start = (int)sc->txBdBase;
-
- /*
- * Set up Receive Control Register:
- * Not promiscuous mode
- * MII mode
- * Half duplex
- * No loopback
- */
- m8xx.fec.r_cntrl = 0x00000006;
-
- /*
- * Set up Transmit Control Register:
- * Half duplex
- * No heartbeat
- */
- m8xx.fec.x_cntrl = 0x00000000;
-
- /*
- * Set up DMA function code:
- * Big-endian
- * DMA functino code = 0
- */
- m8xx.fec.fun_code = 0x78000000;
-
- /*
- * Initialize SDMA configuration register
- * SDMA ignores FRZ
- * FEC not aggressive
- * FEC arbitration ID = 0 => U-bus arbitration = 6
- * RISC arbitration ID = 1 => U-bus arbitration = 5
- */
- m8xx.sdcr = 1;
-
- /*
- * Set MII speed to 2.5 MHz for 25 Mhz system clock
- */
- m8xx.fec.mii_speed = 0x0a;
- m8xx.fec.mii_data = 0x58021000;
-
- /*
- * Set up receive buffer descriptors
- */
- for (i = 0 ; i < sc->rxBdCount ; i++)
- (sc->rxBdBase + i)->status = 0;
-
- /*
- * Set up transmit buffer descriptors
- */
- for (i = 0 ; i < sc->txBdCount ; i++) {
- (sc->txBdBase + i)->status = 0;
- sc->txMbuf[i] = NULL;
- }
- sc->txBdHead = sc->txBdTail = 0;
- sc->txBdActiveCount = 0;
-
- /*
- * Mask all FEC interrupts and clear events
- */
- m8xx.fec.imask = M8xx_FEC_IEVENT_TFINT |
- M8xx_FEC_IEVENT_RFINT;
- m8xx.fec.ievent = ~0;
-
- /*
- * Set up interrupts
- */
- if (!BSP_install_rtems_irq_handler (&ethernetFECIrqData))
- rtems_panic ("Can't attach M860 FEC interrupt handler\n");
-
-}
-#endif
-
-/*
- * Soak up buffer descriptors that have been sent.
- * Note that a buffer descriptor can't be retired as soon as it becomes
- * ready. The MPC860 manual (MPC860UM/AD 07/98 Rev.1) and the MPC821
- * manual state that, "If an Ethernet frame is made up of multiple
- * buffers, the user should not reuse the first buffer descriptor until
- * the last buffer descriptor of the frame has had its ready bit cleared
- * by the CPM".
- */
-static void
-m8xx_Enet_retire_tx_bd (struct m8xx_enet_struct *sc)
-{
- uint16_t status;
- int i;
- int nRetired;
- struct mbuf *m, *n;
-
- i = sc->txBdTail;
- nRetired = 0;
- while ((sc->txBdActiveCount != 0)
- && (((status = (sc->txBdBase + i)->status) & M8xx_BD_READY) == 0)) {
- /*
- * See if anything went wrong
- */
- if (status & (M8xx_BD_DEFER |
- M8xx_BD_HEARTBEAT |
- M8xx_BD_LATE_COLLISION |
- M8xx_BD_RETRY_LIMIT |
- M8xx_BD_UNDERRUN |
- M8xx_BD_CARRIER_LOST)) {
- /*
- * Check for errors which stop the transmitter.
- */
- if (status & (M8xx_BD_LATE_COLLISION |
- M8xx_BD_RETRY_LIMIT |
- M8xx_BD_UNDERRUN)) {
- if (status & M8xx_BD_LATE_COLLISION)
- enet_driver[0].txLateCollision++;
- if (status & M8xx_BD_RETRY_LIMIT)
- enet_driver[0].txRetryLimit++;
- if (status & M8xx_BD_UNDERRUN)
- enet_driver[0].txUnderrun++;
-
- /*
- * Restart the transmitter
- */
- /* FIXME: this should get executed only if using the SCC */
- m8xx_cp_execute_cmd (M8xx_CR_OP_RESTART_TX | M8xx_CR_CHAN_SCC1);
- }
- if (status & M8xx_BD_DEFER)
- enet_driver[0].txDeferred++;
- if (status & M8xx_BD_HEARTBEAT)
- enet_driver[0].txHeartbeat++;
- if (status & M8xx_BD_CARRIER_LOST)
- enet_driver[0].txLostCarrier++;
- }
- nRetired++;
- if (status & M8xx_BD_LAST) {
- /*
- * A full frame has been transmitted.
- * Free all the associated buffer descriptors.
- */
- sc->txBdActiveCount -= nRetired;
- while (nRetired) {
- nRetired--;
- m = sc->txMbuf[sc->txBdTail];
- MFREE (m, n);
- (void) n;
- if (++sc->txBdTail == sc->txBdCount)
- sc->txBdTail = 0;
- }
- }
- if (++i == sc->txBdCount)
- i = 0;
- }
-}
-
-/*
- * reader task
- */
-static void
-scc_rxDaemon (void *arg)
-{
- struct m8xx_enet_struct *sc = (struct m8xx_enet_struct *)arg;
- struct ifnet *ifp = &sc->arpcom.ac_if;
- struct mbuf *m;
- uint16_t status;
- m8xxBufferDescriptor_t *rxBd;
- int rxBdIndex;
-
- /*
- * Allocate space for incoming packets and start reception
- */
- for (rxBdIndex = 0 ; ;) {
- rxBd = sc->rxBdBase + rxBdIndex;
- MGETHDR (m, M_WAIT, MT_DATA);
- MCLGET (m, M_WAIT);
- m->m_pkthdr.rcvif = ifp;
- sc->rxMbuf[rxBdIndex] = m;
- rxBd->buffer = mtod (m, void *);
- rxBd->status = M8xx_BD_EMPTY | M8xx_BD_INTERRUPT;
- if (++rxBdIndex == sc->rxBdCount) {
- rxBd->status |= M8xx_BD_WRAP;
- break;
- }
- }
-
- /*
- * Input packet handling loop
- */
- rxBdIndex = 0;
- for (;;) {
- rxBd = sc->rxBdBase + rxBdIndex;
-
- /*
- * Wait for packet if there's not one ready
- */
- if ((status = rxBd->status) & M8xx_BD_EMPTY) {
- /*
- * Clear old events
- */
- m8xx.scc1.scce = 0x8;
-
- /*
- * 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 = rxBd->status) & M8xx_BD_EMPTY) {
- rtems_event_set events;
-
- /*
- * Unmask RXF (Full frame received) event
- */
- m8xx.scc1.sccm |= 0x8;
-
- rtems_bsdnet_event_receive (INTERRUPT_EVENT,
- RTEMS_WAIT|RTEMS_EVENT_ANY,
- RTEMS_NO_TIMEOUT,
- &events);
- }
- }
-
- /*
- * Check that packet is valid
- */
- if ((status & (M8xx_BD_LAST |
- M8xx_BD_FIRST_IN_FRAME |
- M8xx_BD_LONG |
- M8xx_BD_NONALIGNED |
- M8xx_BD_SHORT |
- M8xx_BD_CRC_ERROR |
- M8xx_BD_OVERRUN |
- M8xx_BD_COLLISION)) ==
- (M8xx_BD_LAST |
- M8xx_BD_FIRST_IN_FRAME)) {
- /*
- * Pass the packet up the chain.
- * FIXME: Packet filtering hook could be done here.
- */
- struct ether_header *eh;
-
- /*
- * Invalidate the buffer for this descriptor
- */
- rtems_cache_invalidate_multiple_data_lines((const void *)rxBd->buffer, rxBd->length);
-
- m = sc->rxMbuf[rxBdIndex];
- m->m_len = m->m_pkthdr.len = rxBd->length -
- sizeof(uint32_t) -
- sizeof(struct ether_header);
- eh = mtod (m, struct ether_header *);
- m->m_data += sizeof(struct ether_header);
- ether_input (ifp, eh, m);
-
- /*
- * Allocate a new mbuf
- */
- MGETHDR (m, M_WAIT, MT_DATA);
- MCLGET (m, M_WAIT);
- m->m_pkthdr.rcvif = ifp;
- sc->rxMbuf[rxBdIndex] = m;
- rxBd->buffer = mtod (m, void *);
- }
- else {
- /*
- * Something went wrong with the reception
- */
- if (!(status & M8xx_BD_LAST))
- sc->rxNotLast++;
- if (!(status & M8xx_BD_FIRST_IN_FRAME))
- sc->rxNotFirst++;
- if (status & M8xx_BD_LONG)
- sc->rxGiant++;
- if (status & M8xx_BD_NONALIGNED)
- sc->rxNonOctet++;
- if (status & M8xx_BD_SHORT)
- sc->rxRunt++;
- if (status & M8xx_BD_CRC_ERROR)
- sc->rxBadCRC++;
- if (status & M8xx_BD_OVERRUN)
- sc->rxOverrun++;
- if (status & M8xx_BD_COLLISION)
- sc->rxCollision++;
- }
-
- /*
- * Reenable the buffer descriptor
- */
- rxBd->status = (status & (M8xx_BD_WRAP | M8xx_BD_INTERRUPT)) |
- M8xx_BD_EMPTY;
-
- /*
- * Move to next buffer descriptor
- */
- if (++rxBdIndex == sc->rxBdCount)
- rxBdIndex = 0;
- }
-}
-
-#ifdef MPC860T
-static void
-fec_rxDaemon (void *arg)
-{
- struct m8xx_enet_struct *sc = (struct m8xx_enet_struct *)arg;
- struct ifnet *ifp = &sc->arpcom.ac_if;
- struct mbuf *m;
- uint16_t status;
- m8xxBufferDescriptor_t *rxBd;
- int rxBdIndex;
-
- /*
- * Allocate space for incoming packets and start reception
- */
- for (rxBdIndex = 0 ; ;) {
- rxBd = sc->rxBdBase + rxBdIndex;
- MGETHDR (m, M_WAIT, MT_DATA);
- MCLGET (m, M_WAIT);
- m->m_pkthdr.rcvif = ifp;
- sc->rxMbuf[rxBdIndex] = m;
- rxBd->buffer = mtod (m, void *);
- rxBd->status = M8xx_BD_EMPTY;
- m8xx.fec.r_des_active = 0x1000000;
- if (++rxBdIndex == sc->rxBdCount) {
- rxBd->status |= M8xx_BD_WRAP;
- break;
- }
- }
-
- /*
- * Input packet handling loop
- */
- rxBdIndex = 0;
- for (;;) {
- rxBd = sc->rxBdBase + rxBdIndex;
-
- /*
- * Wait for packet if there's not one ready
- */
- if ((status = rxBd->status) & M8xx_BD_EMPTY) {
- /*
- * Clear old events
- */
- m8xx.fec.ievent = M8xx_FEC_IEVENT_RFINT;
-
- /*
- * 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 = rxBd->status) & M8xx_BD_EMPTY) {
- rtems_event_set events;
-
- /*
- * Unmask RXF (Full frame received) event
- */
- m8xx.fec.ievent |= M8xx_FEC_IEVENT_RFINT;
-
- rtems_bsdnet_event_receive (INTERRUPT_EVENT,
- RTEMS_WAIT|RTEMS_EVENT_ANY,
- RTEMS_NO_TIMEOUT,
- &events);
- }
- }
-
- /*
- * Check that packet is valid
- */
- if (status & M8xx_BD_LAST) {
- /*
- * Pass the packet up the chain.
- * FIXME: Packet filtering hook could be done here.
- */
- struct ether_header *eh;
-
- /*
- * Invalidate the buffer for this descriptor
- */
- rtems_cache_invalidate_multiple_data_lines((const void *)rxBd->buffer, rxBd->length);
-
- m = sc->rxMbuf[rxBdIndex];
- m->m_len = m->m_pkthdr.len = rxBd->length -
- sizeof(uint32_t) -
- sizeof(struct ether_header);
- eh = mtod (m, struct ether_header *);
- m->m_data += sizeof(struct ether_header);
- ether_input (ifp, eh, m);
-
- /*
- * Allocate a new mbuf
- */
- MGETHDR (m, M_WAIT, MT_DATA);
- MCLGET (m, M_WAIT);
- m->m_pkthdr.rcvif = ifp;
- sc->rxMbuf[rxBdIndex] = m;
- rxBd->buffer = mtod (m, void *);
- }
- else {
- /*
- * Something went wrong with the reception
- */
- if (!(status & M8xx_BD_LAST))
- sc->rxNotLast++;
- if (status & M8xx_BD_LONG)
- sc->rxGiant++;
- if (status & M8xx_BD_NONALIGNED)
- sc->rxNonOctet++;
- if (status & M8xx_BD_SHORT)
- sc->rxRunt++;
- if (status & M8xx_BD_CRC_ERROR)
- sc->rxBadCRC++;
- if (status & M8xx_BD_OVERRUN)
- sc->rxOverrun++;
- if (status & M8xx_BD_COLLISION)
- sc->rxCollision++;
- }
- /*
- * Reenable the buffer descriptor
- */
- rxBd->status = (status & M8xx_BD_WRAP) |
- M8xx_BD_EMPTY;
- m8xx.fec.r_des_active = 0x1000000;
- /*
- * Move to next buffer descriptor
- */
- if (++rxBdIndex == sc->rxBdCount)
- rxBdIndex = 0;
- }
-}
-#endif
-
-static void
-scc_sendpacket (struct ifnet *ifp, struct mbuf *m)
-{
- struct m8xx_enet_struct *sc = ifp->if_softc;
- volatile m8xxBufferDescriptor_t *firstTxBd, *txBd;
- struct mbuf *l = NULL;
- uint16_t status;
- int nAdded;
-
- /*
- * Free up buffer descriptors
- */
- m8xx_Enet_retire_tx_bd (sc);
-
- /*
- * 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.
- */
- nAdded = 0;
- txBd = firstTxBd = sc->txBdBase + sc->txBdHead;
- for (;;) {
- /*
- * Wait for buffer descriptor to become available.
- */
- if ((sc->txBdActiveCount + nAdded) == sc->txBdCount) {
- /*
- * Clear old events
- */
- m8xx.scc1.scce = 0x12;
-
- /*
- * 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.
- * 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.
- */
- m8xx_Enet_retire_tx_bd (sc);
- while ((sc->txBdActiveCount + nAdded) == sc->txBdCount) {
- rtems_event_set events;
-
- /*
- * Unmask TXB (buffer transmitted) and
- * TXE (transmitter error) events.
- */
- m8xx.scc1.sccm |= 0x12;
- rtems_bsdnet_event_receive (INTERRUPT_EVENT,
- RTEMS_WAIT|RTEMS_EVENT_ANY,
- RTEMS_NO_TIMEOUT,
- &events);
- m8xx_Enet_retire_tx_bd (sc);
- }
- }
-
- /*
- * Don't set the READY flag till the
- * whole packet has been readied.
- */
- status = nAdded ? M8xx_BD_READY : 0;
-
- /*
- * FIXME: Why not deal with empty mbufs at at higher level?
- * The IP fragmentation routine in ip_output
- * can produce packet fragments with zero length.
- * I think that ip_output should be changed to get
- * rid of these zero-length mbufs, but for now,
- * I'll deal with them here.
- */
- if (m->m_len) {
- /*
- * Fill in the buffer descriptor
- */
- txBd->buffer = mtod (m, void *);
- txBd->length = m->m_len;
-
- /*
- * Flush the buffer for this descriptor
- */
- rtems_cache_flush_multiple_data_lines((const void *)txBd->buffer, txBd->length);
-
- sc->txMbuf[sc->txBdHead] = m;
- nAdded++;
- if (++sc->txBdHead == sc->txBdCount) {
- status |= M8xx_BD_WRAP;
- sc->txBdHead = 0;
- }
- l = m;
- m = m->m_next;
- }
- else {
- /*
- * Just toss empty mbufs
- */
- struct mbuf *n;
- MFREE (m, n);
- m = n;
- if (l != NULL)
- l->m_next = m;
- }
-
- /*
- * Set the transmit buffer status.
- * Break out of the loop if this mbuf is the last in the frame.
- */
- if (m == NULL) {
- if (nAdded) {
- status |= M8xx_BD_PAD | M8xx_BD_LAST | M8xx_BD_TX_CRC | M8xx_BD_INTERRUPT;
- txBd->status = status;
- firstTxBd->status |= M8xx_BD_READY;
- sc->txBdActiveCount += nAdded;
- }
- break;
- }
- txBd->status = status;
- txBd = sc->txBdBase + sc->txBdHead;
- }
-}
-
-#ifdef MPC860T
-static void
-fec_sendpacket (struct ifnet *ifp, struct mbuf *m)
-{
- struct m8xx_enet_struct *sc = ifp->if_softc;
- volatile m8xxBufferDescriptor_t *firstTxBd, *txBd;
- /* struct mbuf *l = NULL; */
- uint16_t status;
- int nAdded;
-
- /*
- * Free up buffer descriptors
- */
- m8xx_Enet_retire_tx_bd (sc);
-
- /*
- * 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.
- */
- nAdded = 0;
- txBd = firstTxBd = sc->txBdBase + sc->txBdHead;
- for (;;) {
- /*
- * Wait for buffer descriptor to become available.
- */
- if ((sc->txBdActiveCount + nAdded) == sc->txBdCount) {
- /*
- * Clear old events
- */
- m8xx.fec.ievent = M8xx_FEC_IEVENT_TFINT;
-
- /*
- * 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.
- * 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.
- */
- m8xx_Enet_retire_tx_bd (sc);
- while ((sc->txBdActiveCount + nAdded) == sc->txBdCount) {
- rtems_event_set events;
-
- /*
- * Unmask TXB (buffer transmitted) and
- * TXE (transmitter error) events.
- */
- m8xx.fec.ievent |= M8xx_FEC_IEVENT_TFINT;
- rtems_bsdnet_event_receive (INTERRUPT_EVENT,
- RTEMS_WAIT|RTEMS_EVENT_ANY,
- RTEMS_NO_TIMEOUT,
- &events);
- m8xx_Enet_retire_tx_bd (sc);
- }
- }
-
- /*
- * Don't set the READY flag till the
- * whole packet has been readied.
- */
- status = nAdded ? M8xx_BD_READY : 0;
-
- /*
- * FIXME: Why not deal with empty mbufs at at higher level?
- * The IP fragmentation routine in ip_output
- * can produce packet fragments with zero length.
- * I think that ip_output should be changed to get
- * rid of these zero-length mbufs, but for now,
- * I'll deal with them here.
- */
- if (m->m_len) {
- /*
- * Fill in the buffer descriptor
- */
- txBd->buffer = mtod (m, void *);
- txBd->length = m->m_len;
-
- /*
- * Flush the buffer for this descriptor
- */
- rtems_cache_flush_multiple_data_lines(txBd->buffer, txBd->length);
-
- sc->txMbuf[sc->txBdHead] = m;
- nAdded++;
- if (++sc->txBdHead == sc->txBdCount) {
- status |= M8xx_BD_WRAP;
- sc->txBdHead = 0;
- }
- /* l = m;*/
- m = m->m_next;
- }
- else {
- /*
- * Just toss empty mbufs
- */
- struct mbuf *n;
- MFREE (m, n);
- m = n;
- /*
- if (l != NULL)
- l->m_next = m;
- */
- }
-
- /*
- * Set the transmit buffer status.
- * Break out of the loop if this mbuf is the last in the frame.
- */
- if (m == NULL) {
- if (nAdded) {
- status |= M8xx_BD_LAST | M8xx_BD_TX_CRC;
- txBd->status = status;
- firstTxBd->status |= M8xx_BD_READY;
- m8xx.fec.x_des_active = 0x1000000;
- sc->txBdActiveCount += nAdded;
- }
- break;
- }
- txBd->status = status;
- txBd = sc->txBdBase + sc->txBdHead;
- }
-}
-#endif
-
-/*
- * Driver transmit daemon
- */
-static void
-scc_txDaemon (void *arg)
-{
- struct m8xx_enet_struct *sc = (struct m8xx_enet_struct *)arg;
- struct ifnet *ifp = &sc->arpcom.ac_if;
- struct mbuf *m;
- rtems_event_set events;
-
- for (;;) {
- /*
- * Wait for packet
- */
- rtems_bsdnet_event_receive (START_TRANSMIT_EVENT, RTEMS_EVENT_ANY | RTEMS_WAIT, RTEMS_NO_TIMEOUT, &events);
-
- /*
- * Send packets till queue is empty
- */
- for (;;) {
- /*
- * Get the next mbuf chain to transmit.
- */
- IF_DEQUEUE(&ifp->if_snd, m);
- if (!m)
- break;
- scc_sendpacket (ifp, m);
- }
- ifp->if_flags &= ~IFF_OACTIVE;
- }
-}
-
-#ifdef MPC860T
-void
-fec_txDaemon (void *arg)
-{
- struct m8xx_enet_struct *sc = (struct m8xx_enet_struct *)arg;
- struct ifnet *ifp = &sc->arpcom.ac_if;
- struct mbuf *m;
- rtems_event_set events;
-
- for (;;) {
- /*
- * Wait for packet
- */
- rtems_bsdnet_event_receive (START_TRANSMIT_EVENT,
- RTEMS_EVENT_ANY | RTEMS_WAIT,
- RTEMS_NO_TIMEOUT,
- &events);
-
- /*
- * Send packets till queue is empty
- */
- for (;;) {
- /*
- * Get the next mbuf chain to transmit.
- */
- IF_DEQUEUE(&ifp->if_snd, m);
- if (!m)
- break;
- fec_sendpacket (ifp, m);
- }
- ifp->if_flags &= ~IFF_OACTIVE;
- }
-}
-#endif
-
-/*
- * Send packet (caller provides header).
- */
-static void
-m8xx_enet_start (struct ifnet *ifp)
-{
- struct m8xx_enet_struct *sc = ifp->if_softc;
-
- rtems_bsdnet_event_send (sc->txDaemonTid, START_TRANSMIT_EVENT);
- ifp->if_flags |= IFF_OACTIVE;
-}
-
-/*
- * Initialize and start the device
- */
-static void
-scc_init (void *arg)
-{
- struct m8xx_enet_struct *sc = arg;
- struct ifnet *ifp = &sc->arpcom.ac_if;
-
- if (sc->txDaemonTid == 0) {
-
- /*
- * Set up SCC hardware
- */
- m8xx_enet_initialize (sc);
-
- /*
- * Start driver tasks
- */
- sc->txDaemonTid = rtems_bsdnet_newproc ("SCtx", 4096, scc_txDaemon, sc);
- sc->rxDaemonTid = rtems_bsdnet_newproc ("SCrx", 4096, scc_rxDaemon, sc);
-
- }
-
- /*
- * Set flags appropriately
- */
- if (ifp->if_flags & IFF_PROMISC)
- m8xx.scc1.psmr |= 0x200;
- else
- m8xx.scc1.psmr &= ~0x200;
-
- /*
- * Tell the world that we're running.
- */
- ifp->if_flags |= IFF_RUNNING;
-
- /*
- * Enable receiver and transmitter
- */
- m8xx.scc1.gsmr_l |= 0x30;
-}
-
-#ifdef MPC860T
-static void
-fec_init (void *arg)
-{
- struct m8xx_enet_struct *sc = arg;
- struct ifnet *ifp = &sc->arpcom.ac_if;
-
- if (sc->txDaemonTid == 0) {
-
- /*
- * Set up SCC hardware
- */
- m8xx_fec_initialize_hardware (sc);
-
- /*
- * Start driver tasks
- */
- sc->txDaemonTid = rtems_bsdnet_newproc ("SCtx", 4096, fec_txDaemon, sc);
- sc->rxDaemonTid = rtems_bsdnet_newproc ("SCrx", 4096, fec_rxDaemon, sc);
-
- }
-
- /*
- * Set flags appropriately
- */
- if (ifp->if_flags & IFF_PROMISC)
- m8xx.fec.r_cntrl |= 0x8;
- else
- m8xx.fec.r_cntrl &= ~0x8;
-
- /*
- * Tell the world that we're running.
- */
- ifp->if_flags |= IFF_RUNNING;
-
- /*
- * Enable receiver and transmitter
- */
- m8xx.fec.ecntrl = 0x2;
-}
-#endif
-
-/*
- * Stop the device
- */
-static void
-scc_stop (struct m8xx_enet_struct *sc)
-{
- struct ifnet *ifp = &sc->arpcom.ac_if;
-
- ifp->if_flags &= ~IFF_RUNNING;
-
- /*
- * Shut down receiver and transmitter
- */
- m8xx.scc1.gsmr_l &= ~0x30;
-}
-
-#ifdef MPC860T
-static void
-fec_stop (struct m8xx_enet_struct *sc)
-{
- struct ifnet *ifp = &sc->arpcom.ac_if;
-
- ifp->if_flags &= ~IFF_RUNNING;
-
- /*
- * Shut down receiver and transmitter
- */
- m8xx.fec.ecntrl = 0x0;
-}
-#endif
-
-/*
- * Show interface statistics
- */
-static void
-enet_stats (struct m8xx_enet_struct *sc)
-{
- printf (" Rx Interrupts:%-8lu", sc->rxInterrupts);
- printf (" Not First:%-8lu", sc->rxNotFirst);
- printf (" Not Last:%-8lu\n", sc->rxNotLast);
- printf (" Giant:%-8lu", sc->rxGiant);
- printf (" Runt:%-8lu", sc->rxRunt);
- printf (" Non-octet:%-8lu\n", sc->rxNonOctet);
- printf (" Bad CRC:%-8lu", sc->rxBadCRC);
- printf (" Overrun:%-8lu", sc->rxOverrun);
- printf (" Collision:%-8lu\n", sc->rxCollision);
- printf (" Discarded:%-8lu\n", (unsigned long)m8xx.scc1p.un.ethernet.disfc);
-
- printf (" Tx Interrupts:%-8lu", sc->txInterrupts);
- printf (" Deferred:%-8lu", sc->txDeferred);
- printf (" Missed Hearbeat:%-8lu\n", sc->txHeartbeat);
- printf (" No Carrier:%-8lu", sc->txLostCarrier);
- printf ("Retransmit Limit:%-8lu", sc->txRetryLimit);
- printf (" Late Collision:%-8lu\n", sc->txLateCollision);
- printf (" Underrun:%-8lu", sc->txUnderrun);
- printf (" Raw output wait:%-8lu\n", sc->txRawWait);
-}
-
-/*
- * Driver ioctl handler
- */
-static int
-scc_ioctl (struct ifnet *ifp, ioctl_command_t command, caddr_t data)
-{
- struct m8xx_enet_struct *sc = ifp->if_softc;
- int error = 0;
-
- switch (command) {
- case SIOCGIFADDR:
- case SIOCSIFADDR:
- ether_ioctl (ifp, command, data);
- break;
-
- case SIOCSIFFLAGS:
- switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) {
- case IFF_RUNNING:
- scc_stop (sc);
- break;
-
- case IFF_UP:
- scc_init (sc);
- break;
-
- case IFF_UP | IFF_RUNNING:
- scc_stop (sc);
- scc_init (sc);
- break;
-
- default:
- break;
- }
- break;
-
- case SIO_RTEMS_SHOW_STATS:
- enet_stats (sc);
- break;
-
- /*
- * FIXME: All sorts of multicast commands need to be added here!
- */
- default:
- error = EINVAL;
- break;
- }
- return error;
-}
-
-#ifdef MPC860T
-static int
-fec_ioctl (struct ifnet *ifp, int command, caddr_t data)
-{
- struct m8xx_enet_struct *sc = ifp->if_softc;
- int error = 0;
-
- switch (command) {
- case SIOCGIFADDR:
- case SIOCSIFADDR:
- ether_ioctl (ifp, command, data);
- break;
-
- case SIOCSIFFLAGS:
- switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) {
- case IFF_RUNNING:
- fec_stop (sc);
- break;
-
- case IFF_UP:
- fec_init (sc);
- break;
-
- case IFF_UP | IFF_RUNNING:
- fec_stop (sc);
- fec_init (sc);
- break;
-
- default:
- break;
- }
- break;
-
- case SIO_RTEMS_SHOW_STATS:
- enet_stats (sc);
- break;
-
- /*
- * FIXME: All sorts of multicast commands need to be added here!
- */
- default:
- error = EINVAL;
- break;
- }
- return error;
-}
-#endif
-
-/*
- * Attach an SCC driver to the system
- */
-static int
-rtems_scc1_driver_attach (struct rtems_bsdnet_ifconfig *config)
-{
- struct m8xx_enet_struct *sc;
- struct ifnet *ifp;
- int mtu;
- int unitNumber;
- char *unitName;
-#if NVRAM_CONFIGURE == 1
- char *pAddr;
- unsigned long addr;
-#endif
-
- /*
- * Parse driver name
- */
- if ((unitNumber = rtems_bsdnet_parse_driver_name (config, &unitName)) < 0)
- return 0;
-
- /*
- * Is driver free?
- */
- if ((unitNumber <= 0) || (unitNumber > NIFACES)) {
- printf ("Bad SCC unit number.\n");
- return 0;
- }
- sc = &enet_driver[unitNumber - 1];
- ifp = &sc->arpcom.ac_if;
- if (ifp->if_softc != NULL) {
- printf ("Driver already in use.\n");
- return 0;
- }
-
- /*
- * Process options
- */
-#if NVRAM_CONFIGURE == 1
-
- /* Configure from NVRAM */
- if ( (addr = nvram->ipaddr) ) {
- /* We have a non-zero entry, copy the value */
- if ( (pAddr = malloc ( INET_ADDR_MAX_BUF_SIZE, 0, M_NOWAIT )) )
- config->ip_address = (char *)inet_ntop(AF_INET, &addr, pAddr, INET_ADDR_MAX_BUF_SIZE -1 );
- else
- rtems_panic("Can't allocate ip_address buffer!\n");
- }
-
- if ( (addr = nvram->netmask) ) {
- /* We have a non-zero entry, copy the value */
- if ( (pAddr = malloc ( INET_ADDR_MAX_BUF_SIZE, 0, M_NOWAIT )) )
- config->ip_netmask = (char *)inet_ntop(AF_INET, &addr, pAddr, INET_ADDR_MAX_BUF_SIZE -1 );
- else
- rtems_panic("Can't allocate ip_netmask buffer!\n");
- }
-
- /* Ethernet address requires special handling -- it must be copied into
- * the arpcom struct. The following if construct serves only to give the
- * User Area NVRAM parameter the highest priority.
- *
- * If the ethernet address is specified in NVRAM, go ahead and copy it.
- * (ETHER_ADDR_LEN = 6 bytes).
- */
- if ( nvram->enaddr[0] || nvram->enaddr[1] || nvram->enaddr[2] ) {
- /* Anything in the first three bytes indicates a non-zero entry, copy value */
- memcpy ((void *)sc->arpcom.ac_enaddr, &nvram->enaddr, ETHER_ADDR_LEN);
- }
- else if ( config->hardware_address ) {
- /* There is no entry in NVRAM, but there is in the ifconfig struct, so use it. */
- memcpy ((void *)sc->arpcom.ac_enaddr, config->hardware_address, ETHER_ADDR_LEN);
- }
- else {
- /* There is no ethernet address provided, so it could be read
- * from the Ethernet protocol block of SCC1 in DPRAM.
- */
- rtems_panic("No Ethernet address specified!\n");
- }
-
-#else /* NVRAM_CONFIGURE != 1 */
-
- if (config->hardware_address) {
- memcpy (sc->arpcom.ac_enaddr, config->hardware_address, ETHER_ADDR_LEN);
- }
- else {
- /* There is no ethernet address provided, so it could be read
- * from the Ethernet protocol block of SCC1 in DPRAM.
- */
- rtems_panic("No Ethernet address specified!\n");
- }
-
-#endif /* NVRAM_CONFIGURE != 1 */
-
- if (config->mtu)
- mtu = config->mtu;
- else
- mtu = ETHERMTU;
- if (config->rbuf_count)
- sc->rxBdCount = config->rbuf_count;
- else
- sc->rxBdCount = RX_BUF_COUNT;
- if (config->xbuf_count)
- sc->txBdCount = config->xbuf_count;
- else
- sc->txBdCount = TX_BUF_COUNT * TX_BD_PER_BUF;
- sc->acceptBroadcast = !config->ignore_broadcast;
-
- /*
- * Set up network interface values
- */
- ifp->if_softc = sc;
- ifp->if_unit = unitNumber;
- ifp->if_name = unitName;
- ifp->if_mtu = mtu;
- ifp->if_init = scc_init;
- ifp->if_ioctl = scc_ioctl;
- ifp->if_start = m8xx_enet_start;
- ifp->if_output = ether_output;
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
- if (ifp->if_snd.ifq_maxlen == 0)
- ifp->if_snd.ifq_maxlen = ifqmaxlen;
-
- /*
- * Attach the interface
- */
- if_attach (ifp);
- ether_ifattach (ifp);
- return 1;
-};
-
-#ifdef MPC860T
-int
-rtems_fec_driver_attach (struct rtems_bsdnet_ifconfig *config)
-{
- struct m8xx_enet_struct *sc;
- struct ifnet *ifp;
- int mtu;
- int unitNumber;
- char *unitName;
-
- /*
- * Parse driver name
- */
- if ((unitNumber = rtems_bsdnet_parse_driver_name (config, &unitName)) < 0)
- return 0;
-
- /*
- * Is driver free?
- */
- if ((unitNumber <= 0) || (unitNumber > NIFACES)) {
- printf ("Bad SCC unit number.\n");
- return 0;
- }
- sc = &enet_driver[unitNumber - 1];
- ifp = &sc->arpcom.ac_if;
- if (ifp->if_softc != NULL) {
- printf ("Driver already in use.\n");
- return 0;
- }
-
- /*
- * Process options
- */
- if (config->hardware_address) {
- memcpy (sc->arpcom.ac_enaddr, config->hardware_address, ETHER_ADDR_LEN);
- }
- else {
- /* FIXME to read the enaddr from NVRAM */
- }
- if (config->mtu)
- mtu = config->mtu;
- else
- mtu = ETHERMTU;
- if (config->rbuf_count)
- sc->rxBdCount = config->rbuf_count;
- else
- sc->rxBdCount = RX_BUF_COUNT;
- if (config->xbuf_count)
- sc->txBdCount = config->xbuf_count;
- else
- sc->txBdCount = TX_BUF_COUNT * TX_BD_PER_BUF;
- sc->acceptBroadcast = !config->ignore_broadcast;
-
- /*
- * Set up network interface values
- */
- ifp->if_softc = sc;
- ifp->if_unit = unitNumber;
- ifp->if_name = unitName;
- ifp->if_mtu = mtu;
- ifp->if_init = fec_init;
- ifp->if_ioctl = fec_ioctl;
- ifp->if_start = m8xx_enet_start;
- ifp->if_output = ether_output;
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
- if (ifp->if_snd.ifq_maxlen == 0)
- ifp->if_snd.ifq_maxlen = ifqmaxlen;
-
- /*
- * Attach the interface
- */
- if_attach (ifp);
- ether_ifattach (ifp);
- return 1;
-};
-#endif
-
-int
-rtems_enet_driver_attach(struct rtems_bsdnet_ifconfig *config, int attaching)
-{
-
-#ifdef MPC860T
- if ((m8xx.fec.mii_data & 0xffff) == 0x2000) {
-/* rtems_scc1_driver_attach(config);*/
- return rtems_fec_driver_attach(config);
- }
- else {
-#endif
- return rtems_scc1_driver_attach(config);
-#ifdef MPC860T
- }
-#endif
-}