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In order for the MA301 to pass interrupts from the PCCard, you must

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go into the PLX 9052's interrupt control register and turn on the magic
interrupt enable bit.

Partial thanks are due to OpenBSD for pointing out that the chip is a
PLX 9052 and pointing me to the datasheet PDF.
This commit is contained in:
Nick Sayer 2001-08-24 02:14:26 +00:00
parent 670f6b2fc6
commit fa081a357e
2 changed files with 23 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sys/dev/wi/if_wi.c
View File

@ -381,6 +381,20 @@ wi_pci_attach(device_t dev)
CSR_WRITE_2(sc, WI_INT_EN, 0);
CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
/* We have to do a magic PLX poke to enable interrupts */
sc->local_rid = WI_PCI_LOCALRES;
sc->local = bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->local_rid, 0, ~0, 1, RF_ACTIVE);
sc->wi_localtag = rman_get_bustag(sc->local);
sc->wi_localhandle = rman_get_bushandle(sc->local);
command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle,
WI_LOCAL_INTCSR);
command |= WI_LOCAL_INTEN;
bus_space_write_4(sc->wi_localtag, sc->wi_localhandle,
WI_LOCAL_INTCSR, command);
bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid, sc->local);
sc->local = NULL;
sc->mem_rid = WI_PCI_MEMRES;
sc->mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
0, ~0, 1, RF_ACTIVE);

11
sys/dev/wi/if_wireg.h
View File

@ -89,12 +89,16 @@ struct wi_softc {
struct ifmedia ifmedia;
device_t dev;
int wi_unit;
struct resource * local;
int local_rid;
struct resource * iobase;
int iobase_rid;
struct resource * irq;
int irq_rid;
struct resource * mem;
int mem_rid;
bus_space_handle_t wi_localhandle;
bus_space_tag_t wi_localtag;
bus_space_handle_t wi_bhandle;
bus_space_tag_t wi_btag;
bus_space_handle_t wi_bmemhandle;
@ -146,9 +150,12 @@ struct wi_softc {
#define WI_PORT4 4
#define WI_PORT5 5
#define WI_PCI_MEMRES 0x18
#define WI_PCI_IORES 0x1C
#define WI_PCI_LOCALRES 0x14 /* The PLX chip's local registers */
#define WI_PCI_MEMRES 0x18 /* The PCCard's attribute memory */
#define WI_PCI_IORES 0x1C /* The PCCard's I/O space */
#define WI_LOCAL_INTCSR 0x4c
#define WI_LOCAL_INTEN 0x40
#define WI_HFA384X_SWSUPPORT0_OFF 0x28
#define WI_PRISM2STA_MAGIC 0x4A2D