From: chuck <chuck@openbsd.org>
Date: Thu, 20 Mar 1997 22:03:45 +0000 (+0000)
Subject: update for adaptec support
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=5ef5a4a7d32fbd46d59ea9033813f65b6411730f;p=openbsd

update for adaptec support
---

diff --git a/sys/dev/pci/if_en_pci.c b/sys/dev/pci/if_en_pci.c
index d7ac0872de2..db13e03ea96 100644
--- a/sys/dev/pci/if_en_pci.c
+++ b/sys/dev/pci/if_en_pci.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_en_pci.c,v 1.3 1996/10/31 01:05:11 niklas Exp $	*/
+/*	$OpenBSD: if_en_pci.c,v 1.4 1997/03/20 22:03:45 chuck Exp $	*/
 
 /*
  *
@@ -43,12 +43,11 @@
  */
 
 #include <sys/param.h>
-#include <sys/types.h>
+#include <sys/systm.h>
 #include <sys/device.h>
 #include <sys/mbuf.h>
 #include <sys/socket.h>
 #include <sys/socketvar.h>
-#include <sys/systm.h>
 
 #include <net/if.h>
 
@@ -86,7 +85,7 @@ struct en_pci_softc {
 #define PCI_CBMA        0x10
 
 /*
- * tonga (pci bridge)
+ * tonga (pci bridge).   ENI cards only!
  */
 
 #define EN_TONGA        0x60            /* PCI config addr of tonga reg */
@@ -95,11 +94,26 @@ struct en_pci_softc {
 #define TONGA_SWAP_BYTE 0x40
 #define TONGA_SWAP_WORD 0x20
 
+/*
+ * adaptec pci bridge.   ADP cards only!
+ */
+
+#define ADP_PCIREG	0x050040	/* PCI control register */
+
+#define ADP_PCIREG_RESET	0x1	/* reset card */
+#define ADP_PCIREG_IENABLE	0x2	/* interrupt enable */
+#define ADP_PCIREG_SWAP_WORD	0x4	/* swap byte on slave access */
+#define ADP_PCIREG_SWAP_DMA	0x8	/* swap bytes on DMA */
+
 /*
  * prototypes
  */
 
+#ifdef __BROKEN_INDIRECT_CONFIG
 static	int en_pci_match __P((struct device *, void *, void *));
+#else
+static	int en_pci_match __P((struct device *, struct cfdata *, void *));
+#endif
 static	void en_pci_attach __P((struct device *, struct device *, void *));
 
 /*
@@ -110,6 +124,35 @@ struct cfattach en_pci_ca = {
     sizeof(struct en_pci_softc), en_pci_match, en_pci_attach,
 };
 
+#if !defined(MIDWAY_ENIONLY)
+
+static void adp_busreset __P((void *));
+
+/*
+ * bus specific reset function [ADP only!]
+ */
+
+static void adp_busreset(v)
+
+void *v;
+
+{
+  struct en_softc *sc = (struct en_softc *) v;
+  u_int32_t dummy;
+
+  bus_space_write_4(sc->en_memt, sc->en_base, ADP_PCIREG, ADP_PCIREG_RESET);
+  DELAY(1000);  /* let it reset */
+  dummy = bus_space_read_4(sc->en_memt, sc->en_base, ADP_PCIREG);
+  bus_space_write_4(sc->en_memt, sc->en_base, ADP_PCIREG, 
+                (ADP_PCIREG_SWAP_WORD|ADP_PCIREG_SWAP_DMA|ADP_PCIREG_IENABLE));
+  dummy = bus_space_read_4(sc->en_memt, sc->en_base, ADP_PCIREG);
+  if ((dummy & (ADP_PCIREG_SWAP_WORD|ADP_PCIREG_SWAP_DMA)) !=
+                (ADP_PCIREG_SWAP_WORD|ADP_PCIREG_SWAP_DMA))
+    printf("adp_busreset: Adaptec ATM did NOT reset!\n");
+
+}
+#endif
+
 /***********************************************************************/
 
 /*
@@ -119,17 +162,29 @@ struct cfattach en_pci_ca = {
 static int en_pci_match(parent, match, aux)
 
 struct device *parent;
+#ifdef __BROKEN_INDIRECT_CONFIG
 void *match;
+#else
+struct cfdata *match;
+#endif
 void *aux;
 
 {
   struct pci_attach_args *pa = (struct pci_attach_args *) aux;
 
-  if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_EFFICIENTNETS)
-    return 0;
+#if !defined(MIDWAY_ADPONLY)
+  if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_EFFICIENTNETS && 
+      (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_EFFICIENTNETS_ENI155PF ||
+       PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_EFFICIENTNETS_ENI155PA))
+    return 1;
+#endif
 
-  if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_EFFICIENTNETS_ENI155P)
+#if !defined(MIDWAY_ENIONLY)
+  if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADP && 
+      (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADP_AIC5900 ||
+       PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADP_AIC5905))
     return 1;
+#endif
 
   return 0;
 }
@@ -144,14 +199,15 @@ void *aux;
   struct en_softc *sc = (void *)self;
   struct en_pci_softc *scp = (void *)self;
   struct pci_attach_args *pa = aux;
-  bus_mem_addr_t membase;
+  bus_addr_t membase;
   pci_intr_handle_t ih;
   const char *intrstr;
   int retval;
 
   printf("\n");
 
-  sc->en_bc = pa->pa_bc;
+  sc->en_memt = pa->pa_memt;
+  sc->is_adaptec = (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADP) ? 1 : 0;
   scp->en_pc = pa->pa_pc;
 
   /*
@@ -164,8 +220,7 @@ void *aux;
     return;
   }
   intrstr = pci_intr_string(scp->en_pc, ih);
-  scp->sc_ih = pci_intr_establish(scp->en_pc, ih, IPL_NET, en_intr, sc,
-      sc->sc_dev.dv_xname);
+  scp->sc_ih = pci_intr_establish(scp->en_pc, ih, IPL_NET, en_intr, sc);
   if (scp->sc_ih == NULL) {
     printf("%s: couldn't establish interrupt\n", sc->sc_dev.dv_xname);
     if (intrstr != NULL)
@@ -183,7 +238,8 @@ void *aux;
   retval = pci_mem_find(scp->en_pc, pa->pa_tag, PCI_CBMA,
 				&membase, &sc->en_obmemsz, NULL);
   if (retval == 0)
-    retval = bus_mem_map(sc->en_bc, membase, sc->en_obmemsz, 0, &sc->en_base);
+    retval = bus_space_map(sc->en_memt, membase, sc->en_obmemsz, 0,
+      &sc->en_base);
  
   if (retval) {
     printf("%s: couldn't map memory\n", sc->sc_dev.dv_xname);
@@ -191,11 +247,23 @@ void *aux;
   }
 
   /*
-   * set up swapping
+   * set up pci bridge
    */
 
-  pci_conf_write(scp->en_pc, pa->pa_tag, EN_TONGA, 
-		(TONGA_SWAP_DMA|TONGA_SWAP_WORD));
+#if !defined(MIDWAY_ENIONLY)
+  if (sc->is_adaptec) {
+    sc->en_busreset = adp_busreset;
+    adp_busreset(sc);
+  }
+#endif
+
+#if !defined(MIDWAY_ADPONLY)
+  if (!sc->is_adaptec) {
+    sc->en_busreset = NULL;
+    pci_conf_write(scp->en_pc, pa->pa_tag, EN_TONGA, 
+		  (TONGA_SWAP_DMA|TONGA_SWAP_WORD));
+  }
+#endif
 
   /*
    * done PCI specific stuff