diff options
Diffstat (limited to 'sys/arch/mvme68k/stand/sboot/le_poll.c')
-rw-r--r-- | sys/arch/mvme68k/stand/sboot/le_poll.c | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/sys/arch/mvme68k/stand/sboot/le_poll.c b/sys/arch/mvme68k/stand/sboot/le_poll.c deleted file mode 100644 index a958b746a36..00000000000 --- a/sys/arch/mvme68k/stand/sboot/le_poll.c +++ /dev/null @@ -1,320 +0,0 @@ -/* $NetBSD: le_poll.c,v 1.1.1.1 1995/07/25 23:12:31 chuck Exp $ */ - -/* - * Copyright (c) 1993 Adam Glass - * 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. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Adam Glass. - * 4. 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 Adam Glass ``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 REGENTS OR CONTRIBUTORS 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. - */ - -#include "sboot.h" -#include "if_lereg.h" - -struct { - struct lereg1 *sc_r1; /* LANCE registers */ - struct lereg2 *sc_r2; /* RAM */ - int next_rmd; - int next_tmd; -} le_softc; - -void le_error(str, ler1) - char *str; - struct lereg1 *ler1; -{ - /* ler1->ler1_rap = LE_CSRO done in caller */ - if (ler1->ler1_rdp & LE_C0_BABL) { - printf("le0: been babbling, found by '%s'\n", str); - callrom(); - } - if (ler1->ler1_rdp & LE_C0_CERR) { - ler1->ler1_rdp = LE_C0_CERR; - } - if (ler1->ler1_rdp & LE_C0_MISS) { - ler1->ler1_rdp = LE_C0_MISS; - } - if (ler1->ler1_rdp & LE_C0_MERR) { - printf("le0: memory error in '%s'\n", str); - callrom(); - } - -} - -void le_reset(myea) - u_char *myea; -{ - struct lereg1 *ler1 = le_softc.sc_r1; - struct lereg2 *ler2 = le_softc.sc_r2; - unsigned int a; - int timo = 100000, stat, i; - - ler1->ler1_rap = LE_CSR0; - ler1->ler1_rdp = LE_C0_STOP; /* do nothing until we are finished */ - - bzero(ler2, sizeof(*ler2)); - - ler2->ler2_mode = LE_MODE_NORMAL; - ler2->ler2_padr[0] = myea[1]; - ler2->ler2_padr[1] = myea[0]; - ler2->ler2_padr[2] = myea[3]; - ler2->ler2_padr[3] = myea[2]; - ler2->ler2_padr[4] = myea[5]; - ler2->ler2_padr[5] = myea[4]; - - - ler2->ler2_ladrf0 = 0; - ler2->ler2_ladrf1 = 0; - - a = (u_int)ler2->ler2_rmd; - ler2->ler2_rlen = LE_RLEN | (a >> 16); - ler2->ler2_rdra = a & LE_ADDR_LOW_MASK; - - a = (u_int)ler2->ler2_tmd; - ler2->ler2_tlen = LE_TLEN | (a >> 16); - ler2->ler2_tdra = a & LE_ADDR_LOW_MASK; - - ler1->ler1_rap = LE_CSR1; - a = (u_int)ler2; - ler1->ler1_rdp = a & LE_ADDR_LOW_MASK; - ler1->ler1_rap = LE_CSR2; - ler1->ler1_rdp = a >> 16; - - for (i = 0; i < LERBUF; i++) { - a = (u_int)&ler2->ler2_rbuf[i]; - ler2->ler2_rmd[i].rmd0 = a & LE_ADDR_LOW_MASK; - ler2->ler2_rmd[i].rmd1_bits = LE_R1_OWN; - ler2->ler2_rmd[i].rmd1_hadr = a >> 16; - ler2->ler2_rmd[i].rmd2 = -LEMTU; - ler2->ler2_rmd[i].rmd3 = 0; - } - for (i = 0; i < LETBUF; i++) { - a = (u_int)&ler2->ler2_tbuf[i]; - ler2->ler2_tmd[i].tmd0 = a & LE_ADDR_LOW_MASK; - ler2->ler2_tmd[i].tmd1_bits = 0; - ler2->ler2_tmd[i].tmd1_hadr = a >> 16; - ler2->ler2_tmd[i].tmd2 = 0; - ler2->ler2_tmd[i].tmd3 = 0; - } - - ler1->ler1_rap = LE_CSR3; - ler1->ler1_rdp = LE_C3_BSWP; - - ler1->ler1_rap = LE_CSR0; - ler1->ler1_rdp = LE_C0_INIT; - do { - if (--timo == 0) { - printf("le0: init timeout, stat = 0x%x\n", stat); - break; - } - stat = ler1->ler1_rdp; - } while ((stat & LE_C0_IDON) == 0); - - ler1->ler1_rdp = LE_C0_IDON; - le_softc.next_rmd = 0; - le_softc.next_tmd = 0; - ler1->ler1_rap = LE_CSR0; - ler1->ler1_rdp = LE_C0_STRT; -} - -int le_poll(pkt, len) - void *pkt; - int len; -{ - struct lereg1 *ler1 = le_softc.sc_r1; - struct lereg2 *ler2 = le_softc.sc_r2; - unsigned int a; - int length; - struct lermd *rmd; - - ler1->ler1_rap = LE_CSR0; - if ((ler1->ler1_rdp & LE_C0_RINT) != 0) - ler1->ler1_rdp = LE_C0_RINT; - rmd = &ler2->ler2_rmd[le_softc.next_rmd]; - if (rmd->rmd1_bits & LE_R1_OWN) { - return(0); - } - if (ler1->ler1_rdp & LE_C0_ERR) - le_error("le_poll", ler1); - if (rmd->rmd1_bits & LE_R1_ERR) { - printf("le0_poll: rmd status 0x%x\n", rmd->rmd1_bits); - length = 0; - goto cleanup; - } - if ((rmd->rmd1_bits & (LE_R1_STP|LE_R1_ENP)) != (LE_R1_STP|LE_R1_ENP)) { - printf("le_poll: chained packet\n"); - callrom(); - } - - length = rmd->rmd3; - if (length >= LEMTU) { - length = 0; - printf("csr0 when bad things happen: %x\n", ler1->ler1_rdp); - callrom(); - goto cleanup; - } - if (!length) goto cleanup; - length -= 4; - if (length > 0) - bcopy((char *)&ler2->ler2_rbuf[le_softc.next_rmd], pkt, length); - - cleanup: - a = (u_int)&ler2->ler2_rbuf[le_softc.next_rmd]; - rmd->rmd0 = a & LE_ADDR_LOW_MASK; - rmd->rmd1_hadr = a >> 16; - rmd->rmd2 = -LEMTU; - le_softc.next_rmd = - (le_softc.next_rmd == (LERBUF - 1)) ? 0 : (le_softc.next_rmd + 1); - rmd->rmd1_bits = LE_R1_OWN; - return length; -} - -int le_put(pkt, len) - u_char *pkt; - size_t len; -{ - struct lereg1 *ler1 = le_softc.sc_r1; - struct lereg2 *ler2 = le_softc.sc_r2; - struct letmd *tmd; - int timo = 100000, stat, i; - unsigned int a; - - ler1->ler1_rap = LE_CSR0; - if (ler1->ler1_rdp & LE_C0_ERR) - le_error("le_put(way before xmit)", ler1); - tmd = &ler2->ler2_tmd[le_softc.next_tmd]; - while(tmd->tmd1_bits & LE_T1_OWN) { - printf("le0: output buffer busy\n"); - } - bcopy(pkt, (char *)ler2->ler2_tbuf[le_softc.next_tmd], len); - if (len < 64) - tmd->tmd2 = -64; - else - tmd->tmd2 = -len; - tmd->tmd3 = 0; - if (ler1->ler1_rdp & LE_C0_ERR) - le_error("le_put(before xmit)", ler1); - tmd->tmd1_bits = LE_T1_STP | LE_T1_ENP | LE_T1_OWN; - a = (u_int)&ler2->ler2_tbuf[le_softc.next_tmd]; - tmd->tmd0 = a & LE_ADDR_LOW_MASK; - tmd->tmd1_hadr = a >> 16; - ler1->ler1_rdp = LE_C0_TDMD; - if (ler1->ler1_rdp & LE_C0_ERR) - le_error("le_put(after xmit)", ler1); - do { - if (--timo == 0) { - printf("le0: transmit timeout, stat = 0x%x\n", - stat); - if (ler1->ler1_rdp & LE_C0_ERR) - le_error("le_put(timeout)", ler1); - break; - } - stat = ler1->ler1_rdp; - } while ((stat & LE_C0_TINT) == 0); - ler1->ler1_rdp = LE_C0_TINT; - if (ler1->ler1_rdp & LE_C0_ERR) { - if ((ler1->ler1_rdp & (LE_C0_BABL|LE_C0_CERR|LE_C0_MISS|LE_C0_MERR)) != - LE_C0_CERR) - printf("le_put: xmit error, buf %d\n", le_softc.next_tmd); - le_error("le_put(xmit error)", ler1); - } - le_softc.next_tmd = 0; -/* (le_softc.next_tmd == (LETBUF - 1)) ? 0 : le_softc.next_tmd + 1;*/ - if (tmd->tmd1_bits & LE_T1_ERR) { - printf("le0: transmit error, error = 0x%x\n", - tmd->tmd3); - return -1; - } - return len; -} - -int le_get(pkt, len, timeout) - u_char *pkt; - size_t len; - u_long timeout; -{ - int cc; - int now, then; - int stopat = time() + timeout; - then = 0; - - cc = 0; - while ((now = time()) < stopat && !cc) { - cc = le_poll(pkt, len); - if (then != now) { -#ifdef LE_DEBUG - printf("%d \r", stopat - now); -#endif - then = now; - } - if (cc && (pkt[0] != myea[0] || pkt[1] != myea[1] || - pkt[2] != myea[2] || pkt[3] != myea[3] || - pkt[4] != myea[4] || pkt[5] != myea[5])) { - cc = 0; /* ignore broadcast / multicast */ -#ifdef LE_DEBUG - printf("reject (%d sec left)\n", stopat - now); -#endif - } - } -#ifdef LE_DEBUG - printf("\n"); -#endif - return cc; -} - -void le_init() -{ - caddr_t addr; - int *ea = (int *) LANCE_ADDR; - u_long *eram = (u_long *) ERAM_ADDR; - u_long e = *ea; - if (( e & 0x2fffff00 ) == 0x2fffff00) { - printf("ERROR: ethernet address not set! Use LSAD.\n"); - callrom(); - } - myea[0] = 0x08; - myea[1] = 0x00; - myea[2] = 0x3e; - e = e >> 8; - myea[5] = e & 0xff; - e = e >> 8; - myea[4] = e & 0xff; - e = e >> 8; - myea[3] = e; - printf("le0: ethernet address: %x:%x:%x:%x:%x:%x\n", - myea[0], myea[1], myea[2], myea[3], myea[4], myea[5]); - bzero(&le_softc, sizeof(le_softc)); - le_softc.sc_r1 = (struct lereg1 *) LANCE_REG_ADDR; - le_softc.sc_r2 = (struct lereg2 *)(*eram - (1024*1024)); - le_reset(myea); -} - -void le_end() -{ - struct lereg1 *ler1 = le_softc.sc_r1; - - ler1->ler1_rap = LE_CSR0; - ler1->ler1_rdp = LE_C0_STOP; -} |