diff options
Diffstat (limited to 'bsps/m68k/genmcf548x/net/network.c')
| -rw-r--r-- | bsps/m68k/genmcf548x/net/network.c | 1696 |
1 files changed, 0 insertions, 1696 deletions
diff --git a/bsps/m68k/genmcf548x/net/network.c b/bsps/m68k/genmcf548x/net/network.c deleted file mode 100644 index 646bd44870..0000000000 --- a/bsps/m68k/genmcf548x/net/network.c +++ /dev/null @@ -1,1696 +0,0 @@ -/*===============================================================*\ -| Project: RTEMS generic MCF548X BSP | -+-----------------------------------------------------------------+ -| Partially based on the code references which are named below. | -| Adaptions, modifications, enhancements and any recent parts of | -| the code are: | -| Copyright (c) 2009 | -| Embedded Brains GmbH | -| Obere Lagerstr. 30 | -| D-82178 Puchheim | -| Germany | -| rtems@embedded-brains.de | -+-----------------------------------------------------------------+ -| The license and distribution terms for this file may be | -| found in the file LICENSE in this distribution or at | -| | -| http://www.rtems.org/license/LICENSE. | -| | -+-----------------------------------------------------------------+ -| this file contains the networking driver | -\*===============================================================*/ -/* - * RTEMS/TCPIP driver for MCF548X FEC Ethernet - * - * Modified for Motorola MPC5200 by Thomas Doerfler, <Thomas.Doerfler@imd-systems.de> - * COPYRIGHT (c) 2003, IMD - * - * Modified for Motorola IceCube (mgt5100) by Peter Rasmussen <prasmus@ipr-engineering.de> - * COPYRIGHT (c) 2003, IPR Engineering - * - * Parts of code are also under property of Driver Information Systems and based - * on Motorola Proprietary Information. - * COPYRIGHT (c) 2002 MOTOROLA INC. - * - * Modified for Motorola MCF548X by Thomas Doerfler, <Thomas.Doerfler@imd-systems.de> - * COPYRIGHT (c) 2009, IMD - * - */ - -#include <machine/rtems-bsd-kernel-space.h> - -#include <rtems.h> -#include <rtems/error.h> -#include <rtems/rtems_bsdnet.h> -#include <stdio.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 <net/if_var.h> - -#include <bsp.h> -#include <bsp/irq-generic.h> -#include <mcf548x/mcf548x.h> -#include <rtems/rtems_mii_ioctl.h> -#include <errno.h> - -/* freescale-api-specifics... */ -#include <mcf548x/MCD_dma.h> -#include <mcf548x/mcdma_glue.h> - -/* - * Number of interfaces supported by this driver - */ -#define NIFACES 2 - -#define FEC_WATCHDOG_TIMEOUT 5 /* check media every 5 seconds */ - -#define DMA_BD_RX_NUM 32 /* Number of receive buffer descriptors */ -#define DMA_BD_TX_NUM 32 /* Number of transmit buffer descriptors */ - -#define FEC_EVENT RTEMS_EVENT_0 - -/* - * internal SRAM - * Layout: - * - RxBD channel 0 - * - TxBD channel 0 - * - RxBD channel 1 - * - TxBD channel 1 - * - DMA task memory - */ -extern char _SysSramBase[]; -#define SRAM_RXBD_BASE(base,chan) (((MCD_bufDescFec*)(base)) \ - +((chan) \ - *(DMA_BD_RX_NUM+DMA_BD_TX_NUM))) - -#define SRAM_TXBD_BASE(base,chan) (((MCD_bufDescFec*)(base)) \ - +((chan) \ - *(DMA_BD_RX_NUM+DMA_BD_TX_NUM) \ - +DMA_BD_RX_NUM)) - -#define SRAM_DMA_BASE(base) ((void *)SRAM_RXBD_BASE(base,NIFACES+1)) - - -#undef ETH_DEBUG - -/* - * 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 DMA_BD_RX_NUM -#define TX_BUF_COUNT DMA_BD_TX_NUM -#define TX_BD_PER_BUF 1 - -#define INET_ADDR_MAX_BUF_SIZE (sizeof "255.255.255.255") - -#define MCF548X_FEC0_IRQ_VECTOR (39+64) -#define MCF548X_FEC1_IRQ_VECTOR (38+64) - -#define MCF548X_FEC_IRQ_VECTOR(chan) (MCF548X_FEC0_IRQ_VECTOR \ - +(chan)*(MCF548X_FEC1_IRQ_VECTOR \ - -MCF548X_FEC0_IRQ_VECTOR)) - -#define MCF548X_FEC_VECTOR2CHAN(vector) (((int)(vector)-MCF548X_FEC0_IRQ_VECTOR) \ - /(MCF548X_FEC1_IRQ_VECTOR \ - -MCF548X_FEC0_IRQ_VECTOR)) - -#define MCDMA_FEC_RX_CHAN(chan) (0 + NIFACES*(chan)) -#define MCDMA_FEC_TX_CHAN(chan) (1 + NIFACES*(chan)) - -#define MCF548X_FEC0_RX_INITIATOR (16) -#define MCF548X_FEC1_RX_INITIATOR (30) -#define MCF548X_FEC_RX_INITIATOR(chan) (MCF548X_FEC0_RX_INITIATOR \ - +(chan)*(MCF548X_FEC1_RX_INITIATOR \ - -MCF548X_FEC0_RX_INITIATOR)) -#define MCF548X_FEC0_TX_INITIATOR (17) -#define MCF548X_FEC1_TX_INITIATOR (31) -#define MCF548X_FEC_TX_INITIATOR(chan) (MCF548X_FEC0_TX_INITIATOR \ - +(chan)*(MCF548X_FEC1_TX_INITIATOR \ - -MCF548X_FEC0_TX_INITIATOR)) - -/* BD and parameters are stored in SRAM(refer to sdma.h) */ -#define MCF548X_FEC_BD_BASE ETH_BD_BASE - -/* RBD bits definitions */ -#define MCF548X_FEC_RBD_EMPTY 0x8000 /* Buffer is empty */ -#define MCF548X_FEC_RBD_WRAP 0x2000 /* Last BD in ring */ -#define MCF548X_FEC_RBD_INT 0x1000 /* Interrupt */ -#define MCF548X_FEC_RBD_LAST 0x0800 /* Buffer is last in frame(useless) */ -#define MCF548X_FEC_RBD_MISS 0x0100 /* Miss bit for prom mode */ -#define MCF548X_FEC_RBD_BC 0x0080 /* The received frame is broadcast frame */ -#define MCF548X_FEC_RBD_MC 0x0040 /* The received frame is multicast frame */ -#define MCF548X_FEC_RBD_LG 0x0020 /* Frame length violation */ -#define MCF548X_FEC_RBD_NO 0x0010 /* Nonoctet align frame */ -#define MCF548X_FEC_RBD_SH 0x0008 /* Short frame, FEC does not support SH and this bit is always cleared */ -#define MCF548X_FEC_RBD_CR 0x0004 /* CRC error */ -#define MCF548X_FEC_RBD_OV 0x0002 /* Receive FIFO overrun */ -#define MCF548X_FEC_RBD_TR 0x0001 /* The receive frame is truncated */ -#define MCF548X_FEC_RBD_ERR (MCF548X_FEC_RBD_LG | \ - MCF548X_FEC_RBD_NO | \ - MCF548X_FEC_RBD_CR | \ - MCF548X_FEC_RBD_OV | \ - MCF548X_FEC_RBD_TR) - -/* TBD bits definitions */ -#define MCF548X_FEC_TBD_READY 0x8000 /* Buffer is ready */ -#define MCF548X_FEC_TBD_WRAP 0x2000 /* Last BD in ring */ -#define MCF548X_FEC_TBD_INT 0x1000 /* Interrupt */ -#define MCF548X_FEC_TBD_LAST 0x0800 /* Buffer is last in frame */ -#define MCF548X_FEC_TBD_TC 0x0400 /* Transmit the CRC */ -#define MCF548X_FEC_TBD_ABC 0x0200 /* Append bad CRC */ - -#define FEC_INTR_MASK_USED \ -(MCF548X_FEC_EIMR_LC | MCF548X_FEC_EIMR_RL | \ - MCF548X_FEC_EIMR_XFUN | MCF548X_FEC_EIMR_XFERR | MCF548X_FEC_EIMR_RFERR) - -typedef enum { - FEC_STATE_RESTART_0, - FEC_STATE_RESTART_1, - FEC_STATE_NORMAL, -} fec_state; - -/* - * Device data - */ -struct mcf548x_enet_struct { - struct arpcom arpcom; - struct mbuf **rxMbuf; - struct mbuf **txMbuf; - int chan; - fec_state state; - int acceptBroadcast; - int rxBdCount; - int txBdCount; - MCD_bufDescFec *rxBd; - MCD_bufDescFec *txBd; - int rxDmaChan; /* dma task */ - int txDmaChan; /* dma task */ - rtems_id rxDaemonTid; - rtems_id txDaemonTid; - - /* - * MDIO/Phy info - */ - struct rtems_mdio_info mdio_info; - int phy_default; - int phy_chan; /* which fec channel services this phy access? */ - int media_state; /* (last detected) state of media */ - - unsigned long rxInterrupts; - unsigned long rxNotLast; - unsigned long rxGiant; - unsigned long rxNonOctet; - unsigned long rxBadCRC; - unsigned long rxFIFOError; - unsigned long rxCollision; - - unsigned long txInterrupts; - unsigned long txDeferred; - unsigned long txLateCollision; - unsigned long txUnderrun; - unsigned long txFIFOError; - unsigned long txMisaligned; - unsigned long rxNotFirst; - unsigned long txRetryLimit; - }; - -static struct mcf548x_enet_struct enet_driver[NIFACES]; - -static void mcf548x_fec_restart(struct mcf548x_enet_struct *sc, rtems_id otherDaemon); - -static void fec_send_event(rtems_id task) -{ - rtems_bsdnet_event_send(task, FEC_EVENT); -} - -static void fec_wait_for_event(void) -{ - rtems_event_set out; - rtems_bsdnet_event_receive( - FEC_EVENT, - RTEMS_EVENT_ANY | RTEMS_WAIT, - RTEMS_NO_TIMEOUT, - &out - ); -} - -static void mcf548x_fec_request_restart(struct mcf548x_enet_struct *sc) -{ - sc->state = FEC_STATE_RESTART_0; - fec_send_event(sc->txDaemonTid); - fec_send_event(sc->rxDaemonTid); -} - -/* - * Function: MCF548X_eth_addr_filter_set - * - * Description: Set individual address filter for unicast address and - * set physical address registers. - * - * Returns: void - * - * Notes: - * - */ -static void mcf548x_eth_addr_filter_set(struct mcf548x_enet_struct *sc) { - unsigned char *mac; - unsigned char currByte; /* byte for which to compute the CRC */ - int byte; /* loop - counter */ - int bit; /* loop - counter */ - unsigned long crc = 0xffffffff; /* initial value */ - int chan = sc->chan; - - /* - * Get the mac address of ethernet controller - */ - mac = (unsigned char *)(&sc->arpcom.ac_enaddr); - - /* - * The algorithm used is the following: - * we loop on each of the six bytes of the provided address, - * and we compute the CRC by left-shifting the previous - * value by one position, so that each bit in the current - * byte of the address may contribute the calculation. If - * the latter and the MSB in the CRC are different, then - * the CRC value so computed is also ex-ored with the - * "polynomium generator". The current byte of the address - * is also shifted right by one bit at each iteration. - * This is because the CRC generatore in hardware is implemented - * as a shift-register with as many ex-ores as the radixes - * in the polynomium. This suggests that we represent the - * polynomiumm itsc as a 32-bit constant. - */ - for(byte = 0; byte < 6; byte++) - { - - currByte = mac[byte]; - - for(bit = 0; bit < 8; bit++) - { - - if((currByte & 0x01) ^ (crc & 0x01)) - { - - crc >>= 1; - crc = crc ^ 0xedb88320; - - } - else - { - - crc >>= 1; - - } - - currByte >>= 1; - - } - - } - - crc = crc >> 26; - - /* - * Set individual hash table register - */ - if(crc >= 32) - { - - MCF548X_FEC_IAUR(chan) = (1 << (crc - 32)); - MCF548X_FEC_IALR(chan) = 0; - - } - else - { - - MCF548X_FEC_IAUR(chan) = 0; - MCF548X_FEC_IALR(chan) = (1 << crc); - - } - - /* - * Set physical address - */ - MCF548X_FEC_PALR(chan) = ((mac[0] << 24) + - (mac[1] << 16) + - (mac[2] << 8) + - mac[3]); - MCF548X_FEC_PAUR(chan) = ((mac[4] << 24) - + (mac[5] << 16)) + 0x8808; - - } - - -/* - * Function: mcf548x_eth_mii_read - * - * Description: Read a media independent interface (MII) register on an - * 18-wire ethernet tranceiver (PHY). Please see your PHY - * documentation for the register map. - * - * Returns: 0 if ok - * - * Notes: - * - */ -int mcf548x_eth_mii_read( - int phyAddr, /* PHY number to access or -1 */ - void *uarg, /* unit argument */ - unsigned regAddr, /* register address */ - uint32_t *retVal) /* ptr to read buffer */ -{ - struct mcf548x_enet_struct *sc = uarg; - int timeout = 0xffff; - int chan = sc->phy_chan; - - /* - * reading from any PHY's register is done by properly - * programming the FEC's MII data register. - */ - MCF548X_FEC_MMFR(chan) = (MCF548X_FEC_MMFR_ST_01 | - MCF548X_FEC_MMFR_OP_READ | - MCF548X_FEC_MMFR_TA_10 | - MCF548X_FEC_MMFR_PA(phyAddr) | - MCF548X_FEC_MMFR_RA(regAddr)); - - /* - * wait for the related interrupt - */ - while ((timeout--) && (!(MCF548X_FEC_EIR(chan) & MCF548X_FEC_EIR_MII))); - - if(timeout == 0) { - -#ifdef ETH_DEBUG - iprintf ("Read MDIO failed..." "\r\n"); -#endif - - return 1; - - } - - /* - * clear mii interrupt bit - */ - MCF548X_FEC_EIR(chan) = MCF548X_FEC_EIR_MII; - - /* - * it's now safe to read the PHY's register - */ - *retVal = (unsigned short) MCF548X_FEC_MMFR(chan); - - return 0; - -} - -/* - * Function: mcf548x_eth_mii_write - * - * Description: Write a media independent interface (MII) register on an - * 18-wire ethernet tranceiver (PHY). Please see your PHY - * documentation for the register map. - * - * Returns: Success (boolean) - * - * Notes: - * - */ -static int mcf548x_eth_mii_write( - int phyAddr, /* PHY number to access or -1 */ - void *uarg, /* unit argument */ - unsigned regAddr, /* register address */ - uint32_t data) /* write data */ -{ - struct mcf548x_enet_struct *sc = uarg; - int chan = sc->phy_chan; - int timeout = 0xffff; - - MCF548X_FEC_MMFR(chan) = (MCF548X_FEC_MMFR_ST_01 | - MCF548X_FEC_MMFR_OP_WRITE | - MCF548X_FEC_MMFR_TA_10 | - MCF548X_FEC_MMFR_PA(phyAddr) | - MCF548X_FEC_MMFR_RA(regAddr) | - MCF548X_FEC_MMFR_DATA(data)); - - /* - * wait for the MII interrupt - */ - while ((timeout--) && (!(MCF548X_FEC_EIR(chan) & MCF548X_FEC_EIR_MII))); - - if(timeout == 0) - { - -#ifdef ETH_DEBUG - iprintf ("Write MDIO failed..." "\r\n"); -#endif - - return 1; - - } - - /* - * clear MII interrupt bit - */ - MCF548X_FEC_EIR(chan) = MCF548X_FEC_EIR_MII; - - return 0; - - } - - -/* - * Function: mcf548x_fec_reset - * - * Description: Reset a running ethernet driver including the hardware - * FIFOs and the FEC. - * - * Returns: Success (boolean) - * - * Notes: - * - */ -static void mcf548x_fec_reset(struct mcf548x_enet_struct *sc) { - volatile int delay; - int chan = sc->chan; - /* - * Clear FIFO status registers - */ - MCF548X_FEC_FECRFSR(chan) = ~0; - MCF548X_FEC_FECTFSR(chan) = ~0; - - /* - * reset the FIFOs - */ - MCF548X_FEC_FRST(chan) = 0x03000000; - - for (delay = 0;delay < 16*4;delay++) {}; - - MCF548X_FEC_FRST(chan) = 0x01000000; - - /* - * Issue a reset command to the FEC chip - */ - MCF548X_FEC_ECR(chan) |= MCF548X_FEC_ECR_RESET; - - /* - * wait at least 16 clock cycles - */ - for (delay = 0;delay < 16*4;delay++) {}; -} - - -/* - * Function: mcf548x_fec_off - * - * Description: Stop the FEC and disable the ethernet SmartComm tasks. - * This function "turns off" the driver. - * - * Returns: void - * - * Notes: - * - */ -void mcf548x_fec_off(struct mcf548x_enet_struct *sc) - { - int counter = 0xffff; - int chan = sc->chan; - - -#if defined(ETH_DEBUG) - uint32_t phyStatus; - int i; - - for(i = 0; i < 9; i++) - { - - mcf548x_eth_mii_read(sc->phy_default, sc, i, &phyStatus); - iprintf ("Mii reg %d: 0x%04lx" "\r\n", i, phyStatus); - - } - - for(i = 16; i < 21; i++) - { - - mcf548x_eth_mii_read(sc->phy_default, sc, i, &phyStatus); - iprintf ("Mii reg %d: 0x%04lx" "\r\n", i, phyStatus); - - } - for(i = 0; i < 32; i++) - { - - mcf548x_eth_mii_read(i, sc, 0, &phyStatus); - iprintf ("Mii Phy=%d, reg 0: 0x%04lx" "\r\n", i, phyStatus); - - } -#endif /* ETH_DEBUG */ - - /* - * block FEC chip interrupts - */ - MCF548X_FEC_EIMR(chan) = 0; - - /* - * issue graceful stop command to the FEC transmitter if necessary - */ - MCF548X_FEC_TCR(chan) |= MCF548X_FEC_TCR_GTS; - - /* - * wait for graceful stop to register - * FIXME: add rtems_task_wake_after here, if it takes to long - */ - while((counter--) && (!( MCF548X_FEC_EIR(chan) & MCF548X_FEC_EIR_GRA))); - - /* - * Disable the SmartDMA transmit and receive tasks. - */ - MCD_killDma( sc->rxDmaChan ); - MCD_killDma( sc->txDmaChan ); - /* - * Disable transmit / receive interrupts - */ - mcdma_glue_irq_disable(sc->txDmaChan); - mcdma_glue_irq_disable(sc->rxDmaChan); - - /* - * Disable the Ethernet Controller - */ - MCF548X_FEC_ECR(chan) &= ~(MCF548X_FEC_ECR_ETHER_EN); -} - -/* - * MCF548X FEC interrupt handler - */ -void mcf548x_fec_irq_handler(rtems_vector_number vector) -{ - struct mcf548x_enet_struct *sc; - volatile uint32_t ievent; - int chan; - - sc = &(enet_driver[MCF548X_FEC_VECTOR2CHAN(vector)]); - chan = sc->chan; - ievent = MCF548X_FEC_EIR(chan); - - MCF548X_FEC_EIR(chan) = ievent; - /* - * check errors, update statistics - */ - if (ievent & MCF548X_FEC_EIR_LC) { - sc->txLateCollision++; - } - if (ievent & MCF548X_FEC_EIR_RL) { - sc->txRetryLimit++; - } - if (ievent & MCF548X_FEC_EIR_XFUN) { - sc->txUnderrun++; - } - if (ievent & MCF548X_FEC_EIR_XFERR) { - sc->txFIFOError++; - } - if (ievent & MCF548X_FEC_EIR_RFERR) { - sc->rxFIFOError++; - } - /* - * fatal error occurred? - */ - if (ievent & (MCF548X_FEC_EIR_RFERR | MCF548X_FEC_EIR_XFERR)) { - MCF548X_FEC_EIMR(chan) &=~(MCF548X_FEC_EIMR_RFERR | MCF548X_FEC_EIMR_XFERR); - printk("fifo\n"); - mcf548x_fec_request_restart(sc); - } -} - -/* - * MCF548X DMA ethernet interrupt handler - */ -void mcf548x_mcdma_rx_irq_handler(void * param) -{ - struct mcf548x_enet_struct *sc = (struct mcf548x_enet_struct *)param; - /* Frame received? */ - if(MCDMA_GET_PENDING(sc->rxDmaChan)) { - MCDMA_CLR_PENDING(sc->rxDmaChan); - - mcdma_glue_irq_disable(sc->rxDmaChan);/*Disable receive ints*/ - sc->rxInterrupts++; /* Rx int has occurred */ - fec_send_event(sc->rxDaemonTid); - } -} - -/* - * MCF548X DMA ethernet interrupt handler - */ -void mcf548x_mcdma_tx_irq_handler(void * param) -{ - struct mcf548x_enet_struct *sc = (struct mcf548x_enet_struct *)param; - - /* Buffer transmitted or transmitter error? */ - if(MCDMA_GET_PENDING(sc->txDmaChan)) { - - MCDMA_CLR_PENDING(sc->txDmaChan); - - mcdma_glue_irq_disable(sc->txDmaChan);/*Disable tx ints*/ - - sc->txInterrupts++; /* Tx int has occurred */ - - fec_send_event(sc->txDaemonTid); - } -} - -/* - * Function: mcf548x_fec_initialize_hardware - * - * Description: Configure the MCF548X FEC registers and enable the - * SmartComm tasks. This function "turns on" the driver. - * - * Returns: void - * - * Notes: - * - */ -static void mcf548x_fec_initialize_hardware(struct mcf548x_enet_struct *sc) - { - int chan = sc->chan; - - /* - * Reset mcf548x FEC - */ - mcf548x_fec_reset(sc); - - /* - * Clear FEC-Lite interrupt event register (IEVENT) - */ - MCF548X_FEC_EIR(chan) = MCF548X_FEC_EIR_CLEAR_ALL; - - /* - * Set interrupt mask register - */ - MCF548X_FEC_EIMR(chan) = FEC_INTR_MASK_USED; - /* - * Set FEC-Lite receive control register (R_CNTRL) - * frame length=1518, MII mode for 18-wire-transceiver - */ - MCF548X_FEC_RCR(chan) = (MCF548X_FEC_RCR_MAX_FL(ETHER_MAX_LEN) - | MCF548X_FEC_RCR_FCE - | MCF548X_FEC_RCR_MII_MODE); - - /* - * Set FEC-Lite transmit control register (X_CNTRL) - * full-duplex, heartbeat disabled - */ - MCF548X_FEC_TCR(chan) = MCF548X_FEC_TCR_FDEN; - - - - /* - * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock(33Mhz) - * and do not drop the Preamble. - */ - MCF548X_FEC_MSCR(chan) = MCF548X_FEC_MSCR_MII_SPEED(7); /* ipb_clk = 33 MHz */ - - /* - * Set Opcode/Pause Duration Register - */ - MCF548X_FEC_PAUR(chan) = 0x00010020; - - /* - * Set Rx FIFO alarm and granularity value - */ - MCF548X_FEC_FECRFCR(chan) = (MCF548X_FEC_FECRFCR_FRM - | MCF548X_FEC_FECRFCR_GR(0x7)); - MCF548X_FEC_FECRFAR(chan) = MCF548X_FEC_FECRFAR_ALARM(256); - - /* - * Set Tx FIFO granularity value - */ - MCF548X_FEC_FECTFCR(chan) = (MCF548X_FEC_FECTFCR_FRM - | MCF548X_FEC_FECTFCR_GR(7)); - - /* - * Set transmit fifo watermark register (X_WMRK), default = 64 - */ - MCF548X_FEC_FECTFAR(chan) = MCF548X_FEC_FECTFAR_ALARM(512); - MCF548X_FEC_FECTFWR(chan) = MCF548X_FEC_FECTFWR_X_WMRK_256; - - /* - * Set individual address filter for unicast address - * and set physical address registers. - */ - mcf548x_eth_addr_filter_set(sc); - - /* - * Set multicast address filter - */ - MCF548X_FEC_GAUR(chan) = 0x00000000; - MCF548X_FEC_GALR(chan) = 0x00000000; - - /* - * enable CRC in finite state machine register - */ - MCF548X_FEC_CTCWR(chan) = MCF548X_FEC_CTCWR_TFCW | MCF548X_FEC_CTCWR_CRC; - } - - -/* - * Send packet (caller provides header). - */ -static void mcf548x_fec_tx_start(struct ifnet *ifp) - { - - struct mcf548x_enet_struct *sc = ifp->if_softc; - - ifp->if_flags |= IFF_OACTIVE; - - fec_send_event(sc->txDaemonTid); - - } - -static void fec_start_dma_and_controller(struct mcf548x_enet_struct *sc) -{ - int chan = sc->chan; - int mcdma_rc; - /* - * Enable the SmartDMA receive task. - */ - mcdma_rc = MCD_startDma - (sc->rxDmaChan, /* the channel on which to run the DMA */ - (void *)sc->rxBd, /* the address to move data from, or buffer-descriptor addr */ - 0, /* the amount to increment the source address per transfer */ - (void *)&MCF548X_FEC_FECRFDR(chan), /* the address to move data to */ - 0, /* the amount to increment the destination address per transfer */ - ETHER_MAX_LEN, /* the number of bytes to transfer independent of the transfer size */ - 0, /* the number bytes in of each data movement (1, 2, or 4) */ - MCF548X_FEC_RX_INITIATOR(chan), /* what device initiates the DMA */ - 2, /* priority of the DMA */ - 0 /* flags describing the DMA */ - | MCD_FECRX_DMA - | MCD_INTERRUPT - | MCD_TT_FLAGS_CW - | MCD_TT_FLAGS_RL - | MCD_TT_FLAGS_SP - , - 0 /* a description of byte swapping, bit swapping, and CRC actions */ - | MCD_NO_CSUM - | MCD_NO_BYTE_SWAP - ); - if (mcdma_rc != MCD_OK) { - rtems_panic("FEC: cannot start rx DMA"); - } - mcdma_rc = MCD_startDma - (sc->txDmaChan, /* the channel on which to run the DMA */ - (void *)sc->txBd, /* the address to move data from, or buffer-descriptor addr */ - 0, /* the amount to increment the source address per transfer */ - (void *)&MCF548X_FEC_FECTFDR(chan), /* the address to move data to */ - 0, /* the amount to increment the destination address per transfer */ - ETHER_MAX_LEN, /* the number of bytes to transfer independent of the transfer size */ - 0, /* the number bytes in of each data movement (1, 2, or 4) */ - MCF548X_FEC_TX_INITIATOR(chan), /* what device initiates the DMA */ - 1, /* priority of the DMA */ - 0 /* flags describing the DMA */ - | MCD_FECTX_DMA - | MCD_INTERRUPT - | MCD_TT_FLAGS_CW - | MCD_TT_FLAGS_RL - | MCD_TT_FLAGS_SP - , - 0 /* a description of byte swapping, bit swapping, and CRC actions */ - | MCD_NO_CSUM - | MCD_NO_BYTE_SWAP - ); - if (mcdma_rc != MCD_OK) { - rtems_panic("FEC: cannot start tx DMA"); - } - - /* - * Enable FEC-Lite controller - */ - MCF548X_FEC_ECR(chan) |= MCF548X_FEC_ECR_ETHER_EN; -} - -static void mcf548x_fec_restart(struct mcf548x_enet_struct *sc, rtems_id otherDaemon) -{ - if (sc->state == FEC_STATE_RESTART_1) { - mcf548x_fec_initialize_hardware(sc); - fec_start_dma_and_controller(sc); - sc->state = FEC_STATE_NORMAL; - } else { - sc->state = FEC_STATE_RESTART_1; - } - - fec_send_event(otherDaemon); - while (sc->state != FEC_STATE_NORMAL) { - fec_wait_for_event(); - } -} - -static void fec_reset_bd_and_discard_tx_frames( - int bdCount, - MCD_bufDescFec *bdRing, - struct mbuf **mbufs -) -{ - int bdIndex = 0; - - for (bdIndex = 0; bdIndex < bdCount; ++bdIndex) { - bool bdIsLast = bdIndex == bdCount - 1; - struct mbuf *m = mbufs[bdIndex]; - - bdRing[bdIndex].statCtrl = bdIsLast ? MCF548X_FEC_TBD_WRAP : 0; - - if (m != NULL) { - mbufs[bdIndex] = NULL; - m_free(m); - } - } -} - -static void fec_reset_tx_dma( - int dmaChan, - int bdCount, - MCD_bufDescFec *bdRing, - struct mbuf **mbufs, - struct mbuf *m -) -{ - if (m != NULL) { - m_freem(m); - } - - MCD_killDma(dmaChan); - - fec_reset_bd_and_discard_tx_frames(bdCount, bdRing, mbufs); -} - -static struct mbuf *fec_next_fragment( - struct ifnet *ifp, - struct mbuf *m, - bool *isFirst -) -{ - struct mbuf *n = NULL; - - *isFirst = false; - - while (true) { - if (m == NULL) { - IF_DEQUEUE(&ifp->if_snd, m); - - if (m != NULL) { - *isFirst = true; - } else { - ifp->if_flags &= ~IFF_OACTIVE; - - return NULL; - } - } - - if (m->m_len > 0) { - break; - } else { - m = m_free(m); - } - } - - n = m->m_next; - while (n != NULL && n->m_len <= 0) { - n = m_free(n); - } - m->m_next = n; - - return m; -} - -static bool fec_transmit( - struct ifnet *ifp, - int dmaChan, - int bdCount, - MCD_bufDescFec *bdRing, - struct mbuf **mbufs, - int *bdIndexPtr, - struct mbuf **mPtr, - MCD_bufDescFec **firstPtr -) -{ - bool bdShortage = false; - int bdIndex = *bdIndexPtr; - struct mbuf *m = *mPtr; - MCD_bufDescFec *first = *firstPtr; - - while (true) { - MCD_bufDescFec *bd = &bdRing[bdIndex]; - - MCDMA_CLR_PENDING(dmaChan); - if ((bd->statCtrl & MCF548X_FEC_TBD_READY) == 0) { - struct mbuf *done = mbufs[bdIndex]; - bool isFirst = false; - - if (done != NULL) { - m_free(done); - mbufs[bdIndex] = NULL; - } - - m = fec_next_fragment(ifp, m, &isFirst); - if (m != NULL) { - bool bdIsLast = bdIndex == bdCount - 1; - u16 status = bdIsLast ? MCF548X_FEC_TBD_WRAP : 0; - - bd->length = (u16) m->m_len; - bd->dataPointer = mtod(m, u32); - - mbufs[bdIndex] = m; - - rtems_cache_flush_multiple_data_lines(mtod(m, void *), m->m_len); - - if (isFirst) { - first = bd; - } else { - status |= MCF548X_FEC_TBD_READY; - } - - if (m->m_next != NULL) { - bd->statCtrl = status; - } else { - bd->statCtrl = status | MCF548X_FEC_TBD_INT | MCF548X_FEC_TBD_LAST; - first->statCtrl |= MCF548X_FEC_TBD_READY; - MCD_continDma(dmaChan); - } - - m = m->m_next; - } else { - break; - } - } else { - bdShortage = true; - break; - } - - if (bdIndex < bdCount - 1) { - ++bdIndex; - } else { - bdIndex = 0; - } - } - - *bdIndexPtr = bdIndex; - *mPtr = m; - *firstPtr = first; - - return bdShortage; -} - -static MCD_bufDescFec *fec_init_tx_dma( - MCD_bufDescFec *bdRing, - int bdCount -) -{ - int bdIndex; - - for (bdIndex = 0; bdIndex < bdCount; ++bdIndex) { - bool bdIsLast = bdIndex == bdCount - 1; - - bdRing[bdIndex].dataPointer = 0; - bdRing[bdIndex].length = 0; - bdRing[bdIndex].statCtrl = bdIsLast ? MCF548X_FEC_RBD_WRAP : 0; - } - - return bdRing; -} - -static void mcf548x_fec_txDaemon(void *arg) -{ - struct mcf548x_enet_struct *sc = arg; - struct ifnet *ifp = &sc->arpcom.ac_if; - int dmaChan = sc->txDmaChan; - int bdIndex = 0; - int bdCount = sc->txBdCount; - struct mbuf **mbufs = &sc->txMbuf[0]; - struct mbuf *m = NULL; - MCD_bufDescFec *bdRing = fec_init_tx_dma(sc->txBd, bdCount); - MCD_bufDescFec *first = NULL; - bool bdShortage = false; - - memset(mbufs, 0, bdCount * sizeof(*mbufs)); - - while (true) { - if (bdShortage) { - mcdma_glue_irq_enable(dmaChan); - } - fec_wait_for_event(); - - if (sc->state != FEC_STATE_NORMAL) { - fec_reset_tx_dma(dmaChan, bdCount, bdRing, mbufs, m); - mcf548x_fec_restart(sc, sc->rxDaemonTid); - bdIndex = 0; - m = NULL; - first = NULL; - } - - bdShortage = fec_transmit( - ifp, - dmaChan, - bdCount, - bdRing, - mbufs, - &bdIndex, - &m, - &first - ); - } -} - -static struct mbuf *fec_add_mbuf( - int how, - struct ifnet *ifp, - MCD_bufDescFec *bd, - bool bdIsLast -) -{ - struct mbuf *m; - - MGETHDR(m, how, MT_DATA); - if (m != NULL) { - MCLGET(m, how); - if ((m->m_flags & M_EXT) != 0) { - m->m_pkthdr.rcvif = ifp; - - rtems_cache_invalidate_multiple_data_lines(mtod(m, void *), ETHER_MAX_LEN); - - bd->dataPointer = mtod(m, u32); - bd->length = ETHER_MAX_LEN; - bd->statCtrl = MCF548X_FEC_RBD_EMPTY - | MCF548X_FEC_RBD_INT - | (bdIsLast ? MCF548X_FEC_RBD_WRAP : 0); - } else { - m_free(m); - } - } - - return m; -} - -static MCD_bufDescFec *fec_init_rx_dma( - MCD_bufDescFec *bdRing, - struct ifnet *ifp, - int bdCount, - struct mbuf **mbufs -) -{ - int bdIndex; - - for (bdIndex = 0; bdIndex < bdCount; ++bdIndex) { - bool bdIsLast = bdIndex == bdCount - 1; - - mbufs[bdIndex] = fec_add_mbuf(M_WAIT, ifp, &bdRing[bdIndex], bdIsLast); - } - - return bdRing; -} - -static void fec_reset_rx_dma( - int dmaChan, - int bdCount, - MCD_bufDescFec *bdRing -) -{ - int bdIndex; - - MCD_killDma(dmaChan); - - for (bdIndex = 0; bdIndex < bdCount - 1; ++bdIndex) { - bdRing[bdIndex].length = ETHER_MAX_LEN; - bdRing[bdIndex].statCtrl = MCF548X_FEC_RBD_EMPTY | MCF548X_FEC_RBD_INT; - } - - bdRing[bdIndex].length = ETHER_MAX_LEN; - bdRing[bdIndex].statCtrl = MCF548X_FEC_RBD_EMPTY | MCF548X_FEC_RBD_INT | MCF548X_FEC_RBD_WRAP; -} - -static int fec_ether_input( - struct ifnet *ifp, - int dmaChan, - int bdIndex, - int bdCount, - MCD_bufDescFec *bdRing, - struct mbuf **mbufs -) -{ - while (true) { - bool bdIsLast = bdIndex == bdCount - 1; - MCD_bufDescFec *bd = &bdRing[bdIndex]; - struct mbuf *m = mbufs[bdIndex]; - struct mbuf *n; - u16 status; - - MCDMA_CLR_PENDING(dmaChan); - status = bd->statCtrl; - - if ((status & MCF548X_FEC_RBD_EMPTY) != 0) { - break; - } - - n = fec_add_mbuf(0, ifp, bd, bdIsLast); - if (n != NULL) { - int len = bd->length - ETHER_HDR_LEN - ETHER_CRC_LEN; - struct ether_header *eh = mtod(m, struct ether_header *); - - m->m_len = len; - m->m_pkthdr.len = len; - m->m_data = mtod(m, char *) + ETHER_HDR_LEN; - - ether_input(ifp, eh, m); - } else { - n = m; - } - - mbufs[bdIndex] = n; - - if (bdIndex < bdCount - 1) { - ++bdIndex; - } else { - bdIndex = 0; - } - } - - return bdIndex; -} - -static void mcf548x_fec_rxDaemon(void *arg) -{ - struct mcf548x_enet_struct *sc = arg; - struct ifnet *ifp = &sc->arpcom.ac_if; - int dmaChan = sc->rxDmaChan; - int bdIndex = 0; - int bdCount = sc->rxBdCount; - struct mbuf **mbufs = &sc->rxMbuf[0]; - MCD_bufDescFec *bdRing = fec_init_rx_dma(sc->rxBd, ifp, bdCount, mbufs); - - while (true) { - mcdma_glue_irq_enable(dmaChan); - fec_wait_for_event(); - - bdIndex = fec_ether_input(ifp, dmaChan, bdIndex, bdCount, bdRing, mbufs); - - if (sc->state != FEC_STATE_NORMAL) { - fec_reset_rx_dma(dmaChan, bdCount, bdRing); - mcf548x_fec_restart(sc, sc->txDaemonTid); - bdIndex = 0; - } - } -} - -/* - * Initialize and start the device - */ -static void mcf548x_fec_init(void *arg) -{ - struct mcf548x_enet_struct *sc = (struct mcf548x_enet_struct *)arg; - struct ifnet *ifp = &sc->arpcom.ac_if; - int chan = sc->chan; - rtems_isr_entry old_handler; - char *txTaskName = "FTx0"; - char *rxTaskName = "FRx0"; - if(sc->txDaemonTid == 0) - { - /* - * Allocate a set of BDs - */ - sc->rxBd = SRAM_RXBD_BASE(_SysSramBase,chan); - sc->txBd = SRAM_TXBD_BASE(_SysSramBase,chan); - - if(!sc->rxBd || !sc->txBd) - rtems_panic ("No memory for BDs"); - /* - * clear the BDs - */ - memset((void *)sc->rxBd,0,sc->rxBdCount * sizeof *(sc->rxBd)); - memset((void *)sc->txBd,0,sc->txBdCount * sizeof *(sc->txBd)); - /* - * Allocate a set of 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"); - - sc->txDmaChan = MCDMA_FEC_TX_CHAN(chan); - sc->rxDmaChan = MCDMA_FEC_RX_CHAN(chan); - - mcdma_glue_init(SRAM_DMA_BASE(_SysSramBase)); - - /* - * Set up interrupts - */ - mcdma_glue_irq_install(sc->rxDmaChan, - mcf548x_mcdma_rx_irq_handler, - sc); - mcdma_glue_irq_install(sc->txDmaChan, - mcf548x_mcdma_tx_irq_handler, - sc); - if(rtems_interrupt_catch(mcf548x_fec_irq_handler, - MCF548X_FEC_IRQ_VECTOR(chan), - &old_handler)) { - rtems_panic ("Can't attach MFC54xx FEX interrupt handler\n"); - } - - bsp_interrupt_vector_enable(MCF548X_IRQ_FEC(chan)); - - MCF548X_FEC_EIMR(chan) = FEC_INTR_MASK_USED; - - /* - * Start driver tasks - */ - txTaskName[3] = '0'+chan; - rxTaskName[3] = '0'+chan; - sc->txDaemonTid = rtems_bsdnet_newproc(txTaskName, 4096, - mcf548x_fec_txDaemon, sc); - sc->rxDaemonTid = rtems_bsdnet_newproc(rxTaskName, 4096, - mcf548x_fec_rxDaemon, sc); - } - - mcf548x_fec_request_restart(sc); - - /* - * Set flags appropriately - */ - if(ifp->if_flags & IFF_PROMISC) - MCF548X_FEC_RCR(chan) |= MCF548X_FEC_RCR_PROM; - else - MCF548X_FEC_RCR(chan) &= ~MCF548X_FEC_RCR_PROM; - - /* - * init timer so the "watchdog function gets called periodically - */ - ifp->if_timer = 1; - /* - * Tell the world that we're running. - */ - ifp->if_flags |= IFF_RUNNING; -} - - -static void enet_stats (struct mcf548x_enet_struct *sc) -{ - printf (" Rx Interrupts:%-8lu", sc->rxInterrupts); - printf (" Rx Not First:%-8lu", sc->rxNotFirst); - printf (" Rx Not Last:%-8lu\n", sc->rxNotLast); - printf (" Rx Giant:%-8lu", sc->rxGiant); - printf (" Rx Non-octet:%-8lu", sc->rxNonOctet); - printf (" Rx Bad CRC:%-8lu\n", sc->rxBadCRC); - printf (" Rx FIFO Error:%-8lu", sc->rxFIFOError); - printf (" Rx Collision:%-8lu", sc->rxCollision); - - printf (" Tx Interrupts:%-8lu\n", sc->txInterrupts); - printf (" Tx Deferred:%-8lu", sc->txDeferred); - printf (" Tx Late Collision:%-8lu", sc->txLateCollision); - printf (" Tx Retransmit Limit:%-8lu\n", sc->txRetryLimit); - printf (" Tx Underrun:%-8lu", sc->txUnderrun); - printf (" Tx FIFO Error:%-8lu", sc->txFIFOError); - printf (" Tx Misaligned:%-8lu\n", sc->txMisaligned); - -} - -int32_t mcf548x_fec_setMultiFilter(struct ifnet *ifp) -{ - /*struct mcf548x_enet_struct *sc = ifp->if_softc; */ - /* XXX anything to do? */ - return 0; -} - - -/* - * Driver ioctl handler - */ -static int mcf548x_fec_ioctl (struct ifnet *ifp, ioctl_command_t command, caddr_t data) - { - struct mcf548x_enet_struct *sc = ifp->if_softc; - int error = 0; - - switch(command) - { - - case SIOCGIFMEDIA: - case SIOCSIFMEDIA: - rtems_mii_ioctl (&(sc->mdio_info),sc,command,(void *)data); - break; - - case SIOCGIFADDR: - case SIOCSIFADDR: - - ether_ioctl(ifp, command, data); - - break; - - case SIOCADDMULTI: - case SIOCDELMULTI: { - struct ifreq* ifr = (struct ifreq*) data; - error = (command == SIOCADDMULTI) - ? ether_addmulti(ifr, &sc->arpcom) - : ether_delmulti(ifr, &sc->arpcom); - - if (error == ENETRESET) { - if (ifp->if_flags & IFF_RUNNING) - error = mcf548x_fec_setMultiFilter(ifp); - else - error = 0; - } - break; - } - - case SIOCSIFFLAGS: - - switch(ifp->if_flags & (IFF_UP | IFF_RUNNING)) - { - - case IFF_RUNNING: - - mcf548x_fec_off(sc); - - break; - - case IFF_UP: - - mcf548x_fec_init(sc); - - break; - - case IFF_UP | IFF_RUNNING: - - mcf548x_fec_off(sc); - mcf548x_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; - - } - - -/* - * init the PHY and adapt FEC settings - */ -int mcf548x_fec_mode_adapt(struct ifnet *ifp) -{ - int result = 0; - struct mcf548x_enet_struct *sc = ifp->if_softc; - int media = IFM_MAKEWORD( 0, 0, 0, sc->phy_default); - int chan = sc->chan; - - /* - * fetch media status - */ - result = mcf548x_fec_ioctl(ifp,SIOCGIFMEDIA,(caddr_t)&media); - if (result != 0) { - return result; - } - /* - * status is unchanged? then do nothing - */ - if (media == sc->media_state) { - return 0; - } - /* - * otherwise: for the first call, try to negotiate mode - */ - if (sc->media_state == 0) { - /* - * set media status: set auto negotiation -> start auto-negotiation - */ - media = IFM_MAKEWORD(0,IFM_AUTO,0,sc->phy_default); - result = mcf548x_fec_ioctl(ifp,SIOCSIFMEDIA,(caddr_t)&media); - if (result != 0) { - return result; - } - /* - * wait for auto-negotiation to terminate - */ - do { - media = IFM_MAKEWORD(0,0,0,sc->phy_default); - result = mcf548x_fec_ioctl(ifp,SIOCGIFMEDIA,(caddr_t)&media); - if (result != 0) { - return result; - } - } while (IFM_NONE == IFM_SUBTYPE(media)); - } - - /* - * now set HW according to media results: - */ - - /* - * if we are half duplex then switch to half duplex - */ - if (0 == (IFM_FDX & IFM_OPTIONS(media))) { - MCF548X_FEC_TCR(chan) &= ~MCF548X_FEC_TCR_FDEN; - } - else { - MCF548X_FEC_TCR(chan) |= MCF548X_FEC_TCR_FDEN; - } - /* - * store current media state for future compares - */ - sc->media_state = media; - - return 0; -} - -/* - * periodically poll the PHY. if mode has changed, - * then adjust the FEC settings - */ -static void mcf548x_fec_watchdog( struct ifnet *ifp) -{ - mcf548x_fec_mode_adapt(ifp); - ifp->if_timer = FEC_WATCHDOG_TIMEOUT; -} - -/* - * Attach the MCF548X fec driver to the system - */ -int rtems_mcf548x_fec_driver_attach(struct rtems_bsdnet_ifconfig *config) - { - struct mcf548x_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 FEC unit number.\n"); - return 0; - - } - - sc = &enet_driver[unitNumber - 1]; - sc->chan = 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 /* NVRAM_CONFIGURE != 1 */ - - if(config->hardware_address) - { - - memcpy(sc->arpcom.ac_enaddr, config->hardware_address, ETHER_ADDR_LEN); - - } - -#endif /* NVRAM_CONFIGURE != 1 */ -#ifdef HAS_UBOOT - if ((sc->arpcom.ac_enaddr[0] == 0) && - (sc->arpcom.ac_enaddr[1] == 0) && - (sc->arpcom.ac_enaddr[2] == 0)) { - memcpy( - (void *)sc->arpcom.ac_enaddr, - bsp_uboot_board_info.bi_enetaddr, - ETHER_ADDR_LEN - ); - } -#endif -#ifdef HAS_DBUG - if ((sc->arpcom.ac_enaddr[0] == 0) && - (sc->arpcom.ac_enaddr[1] == 0) && - (sc->arpcom.ac_enaddr[2] == 0)) { - memcpy( - (void *)sc->arpcom.ac_enaddr, - DBUG_SETTINGS.macaddr, - ETHER_ADDR_LEN - ); - } -#endif - if ((sc->arpcom.ac_enaddr[0] == 0) && - (sc->arpcom.ac_enaddr[1] == 0) && - (sc->arpcom.ac_enaddr[2] == 0)) { - /* 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"); - } - 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; - - /* - * setup info about mdio interface - */ - sc->mdio_info.mdio_r = mcf548x_eth_mii_read; - sc->mdio_info.mdio_w = mcf548x_eth_mii_write; - sc->mdio_info.has_gmii = 0; /* we do not support gigabit IF */ - - /* - * XXX: Although most hardware builders will assign the PHY addresses - * like this, this should be more configurable - */ - sc->phy_default = unitNumber-1; - sc->phy_chan = 0; /* assume all MII accesses are via FEC0 */ - - /* - * Set up network interface values - */ - ifp->if_softc = sc; - ifp->if_unit = unitNumber; - ifp->if_name = unitName; - ifp->if_mtu = mtu; - ifp->if_init = mcf548x_fec_init; - ifp->if_ioctl = mcf548x_fec_ioctl; - ifp->if_start = mcf548x_fec_tx_start; - ifp->if_output = ether_output; - ifp->if_watchdog = mcf548x_fec_watchdog; /* XXX: timer is set in "init" */ - ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST; - /*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; - } - - -int rtems_mcf548x_fec_driver_attach_detach(struct rtems_bsdnet_ifconfig *config, int attaching) -{ - if (attaching) { - return rtems_mcf548x_fec_driver_attach(config); - } - else { - return 0; - } -} - - |