diff options
Diffstat (limited to 'sys/dev/lmc/if_lmc_common.c')
| -rw-r--r-- | sys/dev/lmc/if_lmc_common.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/sys/dev/lmc/if_lmc_common.c b/sys/dev/lmc/if_lmc_common.c deleted file mode 100644 index 1d90d22..0000000 --- a/sys/dev/lmc/if_lmc_common.c +++ /dev/null @@ -1,272 +0,0 @@ -/*- - * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) - * Copyright (c) LAN Media Corporation 1998, 1999. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * From NetBSD: if_de.c,v 1.56.2.1 1997/10/27 02:13:25 thorpej Exp - * $Id: if_lmc_common.c,v 1.12 1999/03/01 15:22:37 explorer Exp $ - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/* - * the dec chip has its own idea of what a receive error is, but we don't - * want to use it, as it will get the crc error wrong when 16-bit - * crcs are used. So, we only care about certain conditions. - */ -#ifndef TULIP_DSTS_RxMIIERR -#define TULIP_DSTS_RxMIIERR 0x00000008 -#endif -#define LMC_DSTS_ERRSUM (TULIP_DSTS_RxMIIERR) - -static void -lmc_gpio_mkinput(lmc_softc_t * const sc, u_int32_t bits) -{ - sc->lmc_gpio_io &= ~bits; - LMC_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET | (sc->lmc_gpio_io)); -} - -static void -lmc_gpio_mkoutput(lmc_softc_t * const sc, u_int32_t bits) -{ - sc->lmc_gpio_io |= bits; - LMC_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET | (sc->lmc_gpio_io)); -} - -static void -lmc_led_on(lmc_softc_t * const sc, u_int32_t led) -{ - sc->lmc_miireg16 &= ~led; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -static void -lmc_led_off(lmc_softc_t * const sc, u_int32_t led) -{ - sc->lmc_miireg16 |= led; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -static void -lmc_reset(lmc_softc_t * const sc) -{ - sc->lmc_miireg16 |= LMC_MII16_FIFO_RESET; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); - - sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET; - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); - - /* - * make some of the GPIO pins be outputs - */ - lmc_gpio_mkoutput(sc, LMC_GEP_DP | LMC_GEP_RESET); - - /* - * drive DP and RESET low to force configuration. This also forces - * the transmitter clock to be internal, but we expect to reset - * that later anyway. - */ - sc->lmc_gpio &= ~(LMC_GEP_DP | LMC_GEP_RESET); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - /* - * hold for more than 10 microseconds - */ - DELAY(50); - - /* - * stop driving Xilinx-related signals - */ - lmc_gpio_mkinput(sc, LMC_GEP_DP | LMC_GEP_RESET); - - /* - * busy wait for the chip to reset - */ - while ((LMC_CSR_READ(sc, csr_gp) & LMC_GEP_DP) == 0) - ; - - /* - * Call media specific init routine - */ - sc->lmc_media->init(sc); -} - -static void -lmc_dec_reset(lmc_softc_t * const sc) -{ -#ifndef __linux__ - lmc_ringinfo_t *ri; - tulip_desc_t *di; -#endif - u_int32_t val; - - /* - * disable all interrupts - */ - sc->lmc_intrmask = 0; - LMC_CSR_WRITE(sc, csr_intr, sc->lmc_intrmask); - - /* - * we are, obviously, down. - */ -#ifndef __linux__ - sc->lmc_flags &= ~(LMC_IFUP | LMC_MODEMOK); - - DP(("lmc_dec_reset\n")); -#endif - - /* - * Reset the chip with a software reset command. - * Wait 10 microseconds (actually 50 PCI cycles but at - * 33MHz that comes to two microseconds but wait a - * bit longer anyways) - */ - LMC_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); - DELAY(10); - sc->lmc_cmdmode = LMC_CSR_READ(sc, csr_command); - - /* - * We want: - * no ethernet address in frames we write - * disable padding (txdesc, padding disable) - * ignore runt frames (rdes0 bit 15) - * no receiver watchdog or transmitter jabber timer - * (csr15 bit 0,14 == 1) - * if using 16-bit CRC, turn off CRC (trans desc, crc disable) - */ - -#ifndef TULIP_CMD_RECEIVEALL -#define TULIP_CMD_RECEIVEALL 0x40000000L -#endif - - sc->lmc_cmdmode |= ( TULIP_CMD_PROMISCUOUS - | TULIP_CMD_FULLDUPLEX - | TULIP_CMD_PASSBADPKT - | TULIP_CMD_NOHEARTBEAT - | TULIP_CMD_PORTSELECT - | TULIP_CMD_RECEIVEALL - | TULIP_CMD_MUSTBEONE - ); - sc->lmc_cmdmode &= ~( TULIP_CMD_OPERMODE - | TULIP_CMD_THRESHOLDCTL - | TULIP_CMD_STOREFWD - | TULIP_CMD_TXTHRSHLDCTL - ); - - LMC_CSR_WRITE(sc, csr_command, sc->lmc_cmdmode); - - /* - * disable receiver watchdog and transmit jabber - */ - val = LMC_CSR_READ(sc, csr_sia_general); - val |= (TULIP_WATCHDOG_TXDISABLE | TULIP_WATCHDOG_RXDISABLE); - LMC_CSR_WRITE(sc, csr_sia_general, val); - - /* - * turn off those LEDs... - */ - sc->lmc_miireg16 |= LMC_MII16_LED_ALL; - lmc_led_on(sc, LMC_MII16_LED0); - -#ifndef __linux__ - /* - * reprogram the tx desc, rx desc, and PCI bus options - */ - LMC_CSR_WRITE(sc, csr_txlist, - LMC_KVATOPHYS(sc, &sc->lmc_txinfo.ri_first[0])); - LMC_CSR_WRITE(sc, csr_rxlist, - LMC_KVATOPHYS(sc, &sc->lmc_rxinfo.ri_first[0])); - LMC_CSR_WRITE(sc, csr_busmode, - (1 << (LMC_BURSTSIZE(sc->lmc_unit) + 8)) - |TULIP_BUSMODE_CACHE_ALIGN8 - |TULIP_BUSMODE_READMULTIPLE - |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0)); - - sc->lmc_txq.ifq_maxlen = LMC_TXDESCS; - - /* - * Free all the mbufs that were on the transmit ring. - */ - for (;;) { - struct mbuf *m; - - _IF_DEQUEUE(&sc->lmc_txq, m); - if (m == NULL) - break; - m_freem(m); - } - - /* - * reset descriptor state and reclaim all descriptors. - */ - ri = &sc->lmc_txinfo; - ri->ri_nextin = ri->ri_nextout = ri->ri_first; - ri->ri_free = ri->ri_max; - for (di = ri->ri_first; di < ri->ri_last; di++) - di->d_status = 0; - - /* - * We need to collect all the mbufs were on the - * receive ring before we reinit it either to put - * them back on or to know if we have to allocate - * more. - */ - ri = &sc->lmc_rxinfo; - ri->ri_nextin = ri->ri_nextout = ri->ri_first; - ri->ri_free = ri->ri_max; - for (di = ri->ri_first; di < ri->ri_last; di++) { - di->d_status = 0; - di->d_length1 = 0; di->d_addr1 = 0; - di->d_length2 = 0; di->d_addr2 = 0; - } - for (;;) { - struct mbuf *m; - _IF_DEQUEUE(&sc->lmc_rxq, m); - if (m == NULL) - break; - m_freem(m); - } -#endif -} - -static void -lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, - size_t csr_size) -{ - sc->lmc_csrs.csr_busmode = csr_base + 0 * csr_size; - sc->lmc_csrs.csr_txpoll = csr_base + 1 * csr_size; - sc->lmc_csrs.csr_rxpoll = csr_base + 2 * csr_size; - sc->lmc_csrs.csr_rxlist = csr_base + 3 * csr_size; - sc->lmc_csrs.csr_txlist = csr_base + 4 * csr_size; - sc->lmc_csrs.csr_status = csr_base + 5 * csr_size; - sc->lmc_csrs.csr_command = csr_base + 6 * csr_size; - sc->lmc_csrs.csr_intr = csr_base + 7 * csr_size; - sc->lmc_csrs.csr_missed_frames = csr_base + 8 * csr_size; - sc->lmc_csrs.csr_9 = csr_base + 9 * csr_size; - sc->lmc_csrs.csr_10 = csr_base + 10 * csr_size; - sc->lmc_csrs.csr_11 = csr_base + 11 * csr_size; - sc->lmc_csrs.csr_12 = csr_base + 12 * csr_size; - sc->lmc_csrs.csr_13 = csr_base + 13 * csr_size; - sc->lmc_csrs.csr_14 = csr_base + 14 * csr_size; - sc->lmc_csrs.csr_15 = csr_base + 15 * csr_size; -} |
