support multiple eisa/isa cards.
This commit is contained in:
deraadt
parent
f7a0b6da1d
commit
e7eb2d4831
@ -21,7 +21,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: if_ep.c,v 1.27 1994/04/08 17:58:47 mycroft Exp $
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* $Id: if_ep.c,v 1.28 1994/04/11 11:09:00 deraadt Exp $
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*/
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/*
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* TODO:
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@ -112,11 +112,35 @@ static void epstop __P((struct ep_softc *));
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static u_short epreadeeprom __P((int id_port, int offset));
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static int epbusyeeprom __P((struct ep_softc *));
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#define MAXEPCARDS 20 /* if you have 21 cards in your machine... you lose */
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static struct epcard {
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u_short port;
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u_short irq;
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char available;
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} epcards[MAXEPCARDS];
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static int nepcards;
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static void
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epaddcard(p, i)
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short p;
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u_short i;
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{
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if (nepcards >= sizeof(epcards)/sizeof(epcards[0]))
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return;
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epcards[nepcards].port = p;
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epcards[nepcards].irq = 1 << ((i == 2) ? 9 : i);
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epcards[nepcards].available = 1;
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nepcards++;
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}
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/*
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* Eisa probe routine. If any part of this probe should fail to
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* return the desired result, the isa_epprobe() is called. Astute
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* readers will discover a problem that I don't feel inclined to address
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* at the moment.
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* 3c579 cards on the EISA bus are probed by their slot number. 3c509
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* cards on the ISA bus are probed in ethernet address order. The probe
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* sequence requires careful orchestration, and we'd like like to allow
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* the irq and base address to be wildcarded. So, we probe all the cards
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* the first time epprobe() is called. On subsequent calls we look for
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* matching cards.
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*/
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int
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epprobe(parent, self, aux)
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@ -125,84 +149,115 @@ epprobe(parent, self, aux)
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{
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struct ep_softc *sc = (void *)self;
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struct isa_attach_args *ia = aux;
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int port;
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int i;
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int eisa_slot;
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u_short k;
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static int firsttime;
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int slot, port, i;
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u_short k, k2;
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eisa_slot=1;
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while (eisa_slot < 8) {
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port = 0x1000 * eisa_slot;
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outw(port + EP_COMMAND, GLOBAL_RESET);
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if (firsttime==0) {
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firsttime = 1;
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/* find all EISA cards */
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for (slot = 1; slot < 8; slot++) {
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port = 0x1000 * slot;
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outw(port + EP_COMMAND, GLOBAL_RESET);
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delay(1000);
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if (inw(port + EP_W0_MFG_ID) != MFG_ID)
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continue;
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k = inw(port + EP_W0_PRODUCT_ID);
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if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
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continue;
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k = inw(port + EP_W0_ADDRESS_CFG);
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k = (k & 0x1f) * 0x10 + 0x200;
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k2 = inw(port + EP_W0_RESOURCE_CFG);
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k2 >>= 12;
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epaddcard(port, k2);
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}
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/* find all isa cards */
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outw(BASE + EP_COMMAND, GLOBAL_RESET);
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delay(1000);
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if (inw(port + EP_W0_MFG_ID) == MFG_ID)
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break;
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eisa_slot++;
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elink_reset(); /* global reset to ELINK_ID_PORT */
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delay(1000);
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for (slot = 0; slot < 10; slot++) {
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outb(ELINK_ID_PORT, 0x00);
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elink_idseq(ELINK_509_POLY);
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delay(1000);
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_MFG_ID);
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if (k == 0xff)
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continue; /* no more isa cards */
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if (k != MFG_ID)
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continue;
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_PROD_ID);
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if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
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continue;
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_ADDR_CFG);
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k = (k & 0x1f) * 0x10 + 0x200;
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k2 = epreadeeprom(ELINK_ID_PORT, EEPROM_RESOURCE_CFG);
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k2 >>= 12;
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epaddcard(k, k2);
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/* so card will not respond to contention again */
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outb(ELINK_ID_PORT, TAG_ADAPTER_0 + 1);
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/*
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* XXX: this should probably not be done here
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* because it enables the drq/irq lines from
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* the board. Perhaps it should be done after
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* we have checked for irq/drq collisions?
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*/
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outb(ELINK_ID_PORT, ACTIVATE_ADAPTER_TO_CONFIG);
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}
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/* XXX should we sort by ethernet address? */
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}
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k = inw(port + EP_W0_PRODUCT_ID);
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if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
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return isa_epprobe(sc, ia);
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k = inw(port + EP_W0_ADDRESS_CFG);
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k = (k & 0x1f) * 0x10 + 0x200; /* decode base addr. */
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k = inw(port + EP_W0_RESOURCE_CFG);
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k >>= 12;
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if (ia->ia_irq != (1 << ((k == 2) ? 9 : k)))
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return isa_epprobe(sc, ia);
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ia->ia_iobase = port; /* Set the base addr for later */
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ia->ia_iosize = 0x10;
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ia->ia_msize = 0;
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return 1;
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}
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/*
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* Rudimentary support for multiple cards is here but is not
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* currently handled. In the future we will have to add code
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* for tagging the cards for later activation. We wanna do something
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* about the ELINK_ID_PORT. We're limited due to current config procedure.
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* Magnum config holds promise of a fix but we'll have to wait a bit.
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*/
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int
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isa_epprobe(sc, ia)
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struct ep_softc *sc;
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struct isa_attach_args *ia;
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{
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u_short k;
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outw(BASE + EP_COMMAND, GLOBAL_RESET);
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delay(1000);
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elink_reset(); /* global reset to ELINK_ID_PORT */
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delay(1000);
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outb(ELINK_ID_PORT, 0x00);
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elink_idseq(ELINK_509_POLY);
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delay(1000);
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/*
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* MFG_ID should have 0x6d50.
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* PROD_ID should be 0x9[0-f]50
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* a very specific search order:
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* exact port & irq
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* exact port, wildcard irq
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* wildcard port, exact irq
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* wildcard port & irq
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* else fail..
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*/
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_MFG_ID);
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if (k != MFG_ID)
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return (0);
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_PROD_ID);
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if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
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return (0);
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if (ia->ia_iobase != (u_short)-1 || ia->ia_irq != (u_short)-1) {
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for (i = 0; i<nepcards; i++) {
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if (epcards[i].available == 0)
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continue;
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if (ia->ia_iobase == epcards[i].port &&
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ia->ia_irq == epcards[i].irq)
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goto good;
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}
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}
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if (ia->ia_iobase != (u_short)-1 && ia->ia_irq == (u_short)-1) {
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for (i = 0; i<nepcards; i++) {
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if (epcards[i].available == 0)
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continue;
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if (ia->ia_iobase == epcards[i].port)
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goto good;
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}
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}
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if (ia->ia_iobase == (u_short)-1 && ia->ia_irq != (u_short)-1) {
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for (i = 0; i<nepcards; i++) {
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if (epcards[i].available == 0)
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continue;
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if (ia->ia_irq == epcards[i].irq)
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goto good;
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}
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}
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for (i = 0; i<nepcards; i++)
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if (epcards[i].available != 0) {
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goto good;
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}
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return 0;
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_ADDR_CFG); /* get addr cfg */
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k = (k & 0x1f) * 0x10 + 0x200; /* decode base addr. */
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if (k != ia->ia_iobase)
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return (0);
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_RESOURCE_CFG);
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k >>= 12;
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if (ia->ia_irq != (1 << ((k == 2) ? 9 : k)))
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return (0);
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outb(ELINK_ID_PORT, ACTIVATE_ADAPTER_TO_CONFIG);
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ia->ia_iosize = 0x10; /* 16 ports of I/O space used. */
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good:
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epcards[i].available = 0;
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ia->ia_iobase = epcards[i].port;
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ia->ia_irq = epcards[i].irq;
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ia->ia_iosize = 0x10;
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ia->ia_msize = 0;
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return 1;
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}
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@ -21,7 +21,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: if_ep.c,v 1.27 1994/04/08 17:58:47 mycroft Exp $
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* $Id: if_ep.c,v 1.28 1994/04/11 11:09:00 deraadt Exp $
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*/
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/*
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* TODO:
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@ -112,11 +112,35 @@ static void epstop __P((struct ep_softc *));
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static u_short epreadeeprom __P((int id_port, int offset));
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static int epbusyeeprom __P((struct ep_softc *));
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#define MAXEPCARDS 20 /* if you have 21 cards in your machine... you lose */
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static struct epcard {
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u_short port;
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u_short irq;
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char available;
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} epcards[MAXEPCARDS];
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static int nepcards;
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static void
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epaddcard(p, i)
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short p;
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u_short i;
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{
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if (nepcards >= sizeof(epcards)/sizeof(epcards[0]))
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return;
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epcards[nepcards].port = p;
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epcards[nepcards].irq = 1 << ((i == 2) ? 9 : i);
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epcards[nepcards].available = 1;
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nepcards++;
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}
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/*
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* Eisa probe routine. If any part of this probe should fail to
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* return the desired result, the isa_epprobe() is called. Astute
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* readers will discover a problem that I don't feel inclined to address
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* at the moment.
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* 3c579 cards on the EISA bus are probed by their slot number. 3c509
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* cards on the ISA bus are probed in ethernet address order. The probe
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* sequence requires careful orchestration, and we'd like like to allow
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* the irq and base address to be wildcarded. So, we probe all the cards
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* the first time epprobe() is called. On subsequent calls we look for
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* matching cards.
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*/
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int
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epprobe(parent, self, aux)
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@ -125,84 +149,115 @@ epprobe(parent, self, aux)
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{
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struct ep_softc *sc = (void *)self;
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struct isa_attach_args *ia = aux;
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int port;
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int i;
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int eisa_slot;
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u_short k;
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static int firsttime;
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int slot, port, i;
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u_short k, k2;
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eisa_slot=1;
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while (eisa_slot < 8) {
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port = 0x1000 * eisa_slot;
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outw(port + EP_COMMAND, GLOBAL_RESET);
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if (firsttime==0) {
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firsttime = 1;
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/* find all EISA cards */
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for (slot = 1; slot < 8; slot++) {
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port = 0x1000 * slot;
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outw(port + EP_COMMAND, GLOBAL_RESET);
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delay(1000);
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if (inw(port + EP_W0_MFG_ID) != MFG_ID)
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continue;
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k = inw(port + EP_W0_PRODUCT_ID);
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if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
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continue;
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k = inw(port + EP_W0_ADDRESS_CFG);
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k = (k & 0x1f) * 0x10 + 0x200;
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k2 = inw(port + EP_W0_RESOURCE_CFG);
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k2 >>= 12;
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epaddcard(port, k2);
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}
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/* find all isa cards */
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outw(BASE + EP_COMMAND, GLOBAL_RESET);
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delay(1000);
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if (inw(port + EP_W0_MFG_ID) == MFG_ID)
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break;
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eisa_slot++;
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elink_reset(); /* global reset to ELINK_ID_PORT */
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delay(1000);
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for (slot = 0; slot < 10; slot++) {
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outb(ELINK_ID_PORT, 0x00);
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elink_idseq(ELINK_509_POLY);
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delay(1000);
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_MFG_ID);
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if (k == 0xff)
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continue; /* no more isa cards */
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if (k != MFG_ID)
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continue;
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_PROD_ID);
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if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
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continue;
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_ADDR_CFG);
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k = (k & 0x1f) * 0x10 + 0x200;
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k2 = epreadeeprom(ELINK_ID_PORT, EEPROM_RESOURCE_CFG);
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k2 >>= 12;
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epaddcard(k, k2);
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/* so card will not respond to contention again */
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outb(ELINK_ID_PORT, TAG_ADAPTER_0 + 1);
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/*
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* XXX: this should probably not be done here
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* because it enables the drq/irq lines from
|
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* the board. Perhaps it should be done after
|
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* we have checked for irq/drq collisions?
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*/
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outb(ELINK_ID_PORT, ACTIVATE_ADAPTER_TO_CONFIG);
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}
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/* XXX should we sort by ethernet address? */
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}
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k = inw(port + EP_W0_PRODUCT_ID);
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if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
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return isa_epprobe(sc, ia);
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k = inw(port + EP_W0_ADDRESS_CFG);
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k = (k & 0x1f) * 0x10 + 0x200; /* decode base addr. */
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k = inw(port + EP_W0_RESOURCE_CFG);
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k >>= 12;
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if (ia->ia_irq != (1 << ((k == 2) ? 9 : k)))
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return isa_epprobe(sc, ia);
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ia->ia_iobase = port; /* Set the base addr for later */
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ia->ia_iosize = 0x10;
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ia->ia_msize = 0;
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return 1;
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}
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/*
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* Rudimentary support for multiple cards is here but is not
|
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* currently handled. In the future we will have to add code
|
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* for tagging the cards for later activation. We wanna do something
|
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* about the ELINK_ID_PORT. We're limited due to current config procedure.
|
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* Magnum config holds promise of a fix but we'll have to wait a bit.
|
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*/
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int
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isa_epprobe(sc, ia)
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struct ep_softc *sc;
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struct isa_attach_args *ia;
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{
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u_short k;
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outw(BASE + EP_COMMAND, GLOBAL_RESET);
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delay(1000);
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elink_reset(); /* global reset to ELINK_ID_PORT */
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delay(1000);
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outb(ELINK_ID_PORT, 0x00);
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elink_idseq(ELINK_509_POLY);
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delay(1000);
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/*
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* MFG_ID should have 0x6d50.
|
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* PROD_ID should be 0x9[0-f]50
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* a very specific search order:
|
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* exact port & irq
|
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* exact port, wildcard irq
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* wildcard port, exact irq
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* wildcard port & irq
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* else fail..
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*/
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_MFG_ID);
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if (k != MFG_ID)
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return (0);
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_PROD_ID);
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if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
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return (0);
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if (ia->ia_iobase != (u_short)-1 || ia->ia_irq != (u_short)-1) {
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for (i = 0; i<nepcards; i++) {
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if (epcards[i].available == 0)
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continue;
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if (ia->ia_iobase == epcards[i].port &&
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ia->ia_irq == epcards[i].irq)
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goto good;
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}
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}
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if (ia->ia_iobase != (u_short)-1 && ia->ia_irq == (u_short)-1) {
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for (i = 0; i<nepcards; i++) {
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if (epcards[i].available == 0)
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continue;
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if (ia->ia_iobase == epcards[i].port)
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goto good;
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}
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}
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if (ia->ia_iobase == (u_short)-1 && ia->ia_irq != (u_short)-1) {
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for (i = 0; i<nepcards; i++) {
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if (epcards[i].available == 0)
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continue;
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if (ia->ia_irq == epcards[i].irq)
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goto good;
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||||
}
|
||||
}
|
||||
for (i = 0; i<nepcards; i++)
|
||||
if (epcards[i].available != 0) {
|
||||
goto good;
|
||||
}
|
||||
return 0;
|
||||
|
||||
k = epreadeeprom(ELINK_ID_PORT, EEPROM_ADDR_CFG); /* get addr cfg */
|
||||
k = (k & 0x1f) * 0x10 + 0x200; /* decode base addr. */
|
||||
if (k != ia->ia_iobase)
|
||||
return (0);
|
||||
|
||||
k = epreadeeprom(ELINK_ID_PORT, EEPROM_RESOURCE_CFG);
|
||||
k >>= 12;
|
||||
if (ia->ia_irq != (1 << ((k == 2) ? 9 : k)))
|
||||
return (0);
|
||||
|
||||
outb(ELINK_ID_PORT, ACTIVATE_ADAPTER_TO_CONFIG);
|
||||
|
||||
ia->ia_iosize = 0x10; /* 16 ports of I/O space used. */
|
||||
good:
|
||||
epcards[i].available = 0;
|
||||
ia->ia_iobase = epcards[i].port;
|
||||
ia->ia_irq = epcards[i].irq;
|
||||
ia->ia_iosize = 0x10;
|
||||
ia->ia_msize = 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user