/* $NetBSD: if_cs_smdk24x0.c,v 1.8 2019/04/25 05:42:43 msaitoh Exp $ */ /* * Copyright (c) 2003 Genetec corporation. All rights reserved. * Written by Hiroyuki Bessho for Genetec corporation. * * 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. The name of Genetec corporation may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY GENETEC CORP. ``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 GENETEC CORP. * 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. */ /* derived from sys/dev/isa/if_cs_isa.c */ /* * Copyright 1997 * Digital Equipment Corporation. All rights reserved. * * This software is furnished under license and may be used and * copied only in accordance with the following terms and conditions. * Subject to these conditions, you may download, copy, install, * use, modify and distribute this software in source and/or binary * form. No title or ownership is transferred hereby. * * 1) Any source code used, modified or distributed must reproduce * and retain this copyright notice and list of conditions as * they appear in the source file. * * 2) No right is granted to use any trade name, trademark, or logo of * Digital Equipment Corporation. Neither the "Digital Equipment * Corporation" name nor any trademark or logo of Digital Equipment * Corporation may be used to endorse or promote products derived * from this software without the prior written permission of * Digital Equipment Corporation. * * 3) This software is provided "AS-IS" and any express or implied * warranties, including but not limited to, any implied warranties * of merchantability, fitness for a particular purpose, or * non-infringement are disclaimed. In no event shall DIGITAL be * liable for any damages whatsoever, and in particular, DIGITAL * shall not be liable for special, indirect, consequential, or * incidental damages or damages for lost profits, loss of * revenue or loss of use, whether such damages arise in contract, * negligence, tort, under statute, in equity, at law or otherwise, * even if advised of the possibility of such damage. */ /* * driver for SMDK24[10]0's on-board CS8900A Ethernet * * CS8900A is located at CS3 area. * A24=1: I/O access * A24=0: Memory access */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: if_cs_smdk24x0.c,v 1.8 2019/04/25 05:42:43 msaitoh Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/socket.h> #include <sys/device.h> #include <net/if.h> #include <net/if_ether.h> #include <net/if_media.h> #include <sys/bus.h> #include <machine/intr.h> #include <arch/arm/s3c2xx0/s3c2410reg.h> #include <arch/arm/s3c2xx0/s3c2410var.h> #include <dev/ic/cs89x0reg.h> #include <dev/ic/cs89x0var.h> #include "locators.h" #include "opt_smdk2xx0.h" /* SMDK24X0_ETHER_ADDR_FIXED */ int cs_ssextio_probe(device_t, cfdata_t, void *); void cs_ssextio_attach(device_t, device_t, void *); /* * I/O access is done when A24==1. * default value for I/O base address is 0x300 */ #define IOADDR(base) (base + (1<<24) + 0x0300) CFATTACH_DECL_NEW(cs_ssextio, sizeof(struct cs_softc), cs_ssextio_probe, cs_ssextio_attach, NULL, NULL); int cs_ssextio_probe(device_t parent, cfdata_t cf, void *aux) { struct s3c2xx0_attach_args *sa = aux; bus_space_tag_t iot = sa->sa_iot; bus_space_handle_t ioh; struct cs_softc sc; int rv = 0, have_io = 0; vaddr_t ioaddr; if (sa->sa_intr == SSEXTIOCF_INTR_DEFAULT) sa->sa_intr = 9; if (sa->sa_addr == SSEXTIOCF_ADDR_DEFAULT) sa->sa_addr = S3C2410_BANK_START(3); /* Map the I/O space. */ ioaddr = IOADDR(sa->sa_addr); if (bus_space_map(iot, ioaddr, CS8900_IOSIZE, 0, &ioh)) goto out; have_io = 1; memset(&sc, 0, sizeof sc); sc.sc_iot = iot; sc.sc_ioh = ioh; if (0) { int i; for (i = 0; i <= PKTPG_IND_ADDR; i += 2) { if (i % 16 == 0) printf( "\n%04x: ", i); printf("%04x ", CS_READ_PACKET_PAGE_IO(&sc, i)); } } /* Verify that it's a Crystal product. */ if (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_EISA_NUM) != EISA_NUM_CRYSTAL) goto out; /* Verify that it's a supported chip. */ switch (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_PRODUCT_ID) & PROD_ID_MASK) { case PROD_ID_CS8900: #ifdef notyet case PROD_ID_CS8920: case PROD_ID_CS8920M: #endif rv = 1; } out: if (have_io) bus_space_unmap(iot, ioh, CS8900_IOSIZE); return rv; } /* media selection: UTP only */ static int cs_media[] = { IFM_ETHER | IFM_10_T, #if 0 IFM_ETHER | IFM_10_T | IFM_FDX, #endif }; void cs_ssextio_attach(device_t parent, device_t self, void *aux) { struct cs_softc *sc = device_private(self); struct s3c2xx0_attach_args *sa = aux; vaddr_t ioaddr; #ifdef SMDK24X0_ETHER_ADDR_FIXED static uint8_t enaddr[ETHER_ADDR_LEN] = {SMDK24X0_ETHER_ADDR_FIXED}; #else #define enaddr NULL #endif sc->sc_dev = self; sc->sc_iot = sc->sc_memt = sa->sa_iot; /* * sc_irq is an IRQ number in ISA world. Set 10 for INTRQ0 of CS8900A. */ sc->sc_irq = 10; /* Map the device. */ ioaddr = IOADDR(sa->sa_addr); if (bus_space_map(sc->sc_iot, ioaddr, CS8900_IOSIZE, 0, &sc->sc_ioh)) { aprint_error(": unable to map i/o space\n"); return; } if (bus_space_map(sc->sc_iot, sa->sa_addr, CS8900_MEMSIZE, 0, &sc->sc_memh)) aprint_error(": unable to map memory space"); else { sc->sc_cfgflags |= CFGFLG_MEM_MODE; sc->sc_pktpgaddr = sa->sa_addr; } /* * CS8900A is very slow. (nOE->Data valid: 135ns max.) * We need to use IOCHRDY signal. */ sc->sc_cfgflags |= CFGFLG_IOCHRDY; sc->sc_ih = s3c2410_extint_establish(sa->sa_intr, IPL_NET, IST_EDGE_RISING, cs_intr, sc); if (sc->sc_ih == NULL) { aprint_error(": unable to establish interrupt\n"); return; } aprint_normal("\n"); /* SMDK24X0 doesn't have EEPRMO hooked to CS8900A */ sc->sc_cfgflags |= CFGFLG_NOT_EEPROM; cs_attach(sc, enaddr, cs_media, __arraycount(cs_media), IFM_ETHER | IFM_10_T); }
