Add common reset function so if_ep and if_ie don't reset each-other.
(this is a 3commonality)
This commit is contained in:
hpeyerl
parent
f6b942b4cf
commit
19219795da
@ -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 1.16 1994/02/15 22:57:09 mycroft Exp $
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* $Id: if_ep.c,v 1.17 1994/02/16 07:26:50 hpeyerl Exp $
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*/
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/*
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* TODO:
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@ -121,7 +121,7 @@ static int epbusyeeprom __P((struct isa_device * is));
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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 id_port. We're limited due to current config procedure.
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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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@ -130,37 +130,36 @@ epprobe(is)
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{
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struct ep_softc *sc = &ep_softc[is->id_unit];
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u_short k;
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int id_port = 0x100;/* XXX */
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outw(BASE + EP_COMMAND, GLOBAL_RESET);
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DELAY(1000);
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outb(id_port, 0xc0); /* Global reset to id_port. */
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elink_reset(); /* global reset to ELINK_ID_PORT */
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DELAY(1000);
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epsendidseq(id_port);
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epsendidseq(ELINK_ID_PORT);
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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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*/
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k = epreadeeprom(id_port, EEPROM_MFG_ID);
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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(id_port, EEPROM_PROD_ID);
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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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k = epreadeeprom(id_port, EEPROM_ADDR_CFG); /* get addr cfg */
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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 != is->id_iobase)
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return (0);
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k = epreadeeprom(id_port, EEPROM_RESOURCE_CFG);
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_RESOURCE_CFG);
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k >>= 12;
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if (is->id_irq != (1 << ((k == 2) ? 9 : k)))
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return (0);
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outb(id_port, ACTIVATE_ADAPTER_TO_CONFIG);
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outb(ELINK_ID_PORT, ACTIVATE_ADAPTER_TO_CONFIG);
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return (0x10); /* 16 bytes of I/O space used. */
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}
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@ -34,7 +34,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)isa.c 7.2 (Berkeley) 5/13/91
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* $Id: isa.c,v 1.32 1993/12/20 09:11:52 mycroft Exp $
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* $Id: isa.c,v 1.33 1994/02/16 07:26:52 hpeyerl Exp $
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*/
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/*
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@ -94,6 +94,23 @@ int config_isadev(struct isa_device *, u_int *);
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void config_attach(struct isa_driver *, struct isa_device *);
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static void sysbeepstop(int);
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/*
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* elink_reset: This is the reset code for the dumb 3c50[79] cards
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* which is required during probe. The problem is that the two cards
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* use the same reset to the ID_PORT and hence the two drivers will
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* reset each others cards. This is notably non-optimal.
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*/
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void
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elink_reset()
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{
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static x;
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if(x == 0)
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outb(ELINK_ID_PORT, ELINK_RESET);
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x = 1;
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}
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/*
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* Configure all ISA devices
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*/
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@ -34,7 +34,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)isa.h 5.7 (Berkeley) 5/9/91
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* $Id: isa.h,v 1.13 1994/01/03 23:54:35 mycroft Exp $
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* $Id: isa.h,v 1.14 1994/02/16 07:26:55 hpeyerl Exp $
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*/
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/*
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@ -208,3 +208,9 @@ int isa_irq_pending __P((struct isa_device *dvp));
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#ifndef LOCORE
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extern vm_offset_t isaphysmem;
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#endif
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/*
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* defines for elink_reset() (See isa.c)
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*/
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#define ELINK_ID_PORT 0x100
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#define ELINK_RESET 0xc0
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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 1.16 1994/02/15 22:57:09 mycroft Exp $
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* $Id: if_ep.c,v 1.17 1994/02/16 07:26:50 hpeyerl Exp $
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*/
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/*
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* TODO:
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@ -121,7 +121,7 @@ static int epbusyeeprom __P((struct isa_device * is));
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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 id_port. We're limited due to current config procedure.
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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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@ -130,37 +130,36 @@ epprobe(is)
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{
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struct ep_softc *sc = &ep_softc[is->id_unit];
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u_short k;
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int id_port = 0x100;/* XXX */
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outw(BASE + EP_COMMAND, GLOBAL_RESET);
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DELAY(1000);
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outb(id_port, 0xc0); /* Global reset to id_port. */
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elink_reset(); /* global reset to ELINK_ID_PORT */
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DELAY(1000);
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epsendidseq(id_port);
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epsendidseq(ELINK_ID_PORT);
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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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*/
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k = epreadeeprom(id_port, EEPROM_MFG_ID);
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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(id_port, EEPROM_PROD_ID);
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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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k = epreadeeprom(id_port, EEPROM_ADDR_CFG); /* get addr cfg */
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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 != is->id_iobase)
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return (0);
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k = epreadeeprom(id_port, EEPROM_RESOURCE_CFG);
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k = epreadeeprom(ELINK_ID_PORT, EEPROM_RESOURCE_CFG);
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k >>= 12;
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if (is->id_irq != (1 << ((k == 2) ? 9 : k)))
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return (0);
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outb(id_port, ACTIVATE_ADAPTER_TO_CONFIG);
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outb(ELINK_ID_PORT, ACTIVATE_ADAPTER_TO_CONFIG);
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return (0x10); /* 16 bytes of I/O space used. */
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}
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@ -34,7 +34,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)isa.c 7.2 (Berkeley) 5/13/91
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* $Id: isa.c,v 1.32 1993/12/20 09:11:52 mycroft Exp $
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* $Id: isa.c,v 1.33 1994/02/16 07:26:52 hpeyerl Exp $
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*/
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/*
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@ -94,6 +94,23 @@ int config_isadev(struct isa_device *, u_int *);
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void config_attach(struct isa_driver *, struct isa_device *);
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static void sysbeepstop(int);
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/*
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* elink_reset: This is the reset code for the dumb 3c50[79] cards
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* which is required during probe. The problem is that the two cards
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* use the same reset to the ID_PORT and hence the two drivers will
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* reset each others cards. This is notably non-optimal.
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*/
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void
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elink_reset()
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{
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static x;
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if(x == 0)
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outb(ELINK_ID_PORT, ELINK_RESET);
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x = 1;
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}
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/*
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* Configure all ISA devices
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*/
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