Add the macio attachment for wi(4). Partially obtained from NetBSD.

Reviewed by:	adrian
Obtained from:	NetBSD (partially)

2 files changed, 51 insertions, 0 deletions

diff --git a/sys/powerpc/powermac/macio.c b/sys/powerpc/powermac/macio.c
index eae6386..b31cf15 100644
--- a/sys/powerpc/powermac/macio.c
+++ b/sys/powerpc/powermac/macio.c
@@ -605,3 +605,47 @@ macio_get_devinfo(device_t dev, device_t child)
 	dinfo = device_get_ivars(child);
 	return (&dinfo->mdi_obdinfo);
 }
+
+int
+macio_enable_wireless(device_t dev, bool enable)
+{
+	struct macio_softc *sc = device_get_softc(dev);
+	uint32_t x;
+
+	if (enable) {
+		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
+		x |= 0x4;
+		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
+
+		/* Enable card slot. */
+		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5);
+		DELAY(1000);
+		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4);
+		DELAY(1000);
+		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
+		x &= ~0x80000000;
+
+		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
+		/* out8(gpio + 0x10, 4); */
+
+		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0b, 0);
+		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0a, 0x28);
+		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0d, 0x28);
+		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28);
+		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28);
+		bus_write_4(sc->sc_memr, 0x1c000, 0);
+
+		/* Initialize the card. */
+		bus_write_4(sc->sc_memr, 0x1a3e0, 0x41);
+		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
+		x |= 0x80000000;
+		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
+	} else {
+		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
+		x &= ~0x4;
+		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
+		/* out8(gpio + 0x10, 0); */
+	}
+
+	return (0);
+}
diff --git a/sys/powerpc/powermac/maciovar.h b/sys/powerpc/powermac/maciovar.h
index ea0a029..61fac46 100644
--- a/sys/powerpc/powermac/maciovar.h
+++ b/sys/powerpc/powermac/maciovar.h
@@ -43,10 +43,15 @@
 #define HEATHROW_FCR	0x38
 #define KEYLARGO_FCR0	0x38
 #define KEYLARGO_FCR1	0x3c
+#define KEYLARGO_FCR2	0x40
 
 #define FCR_ENET_ENABLE	0x60000000
 #define FCR_ENET_RESET	0x80000000
 
+/* Used only by macio_enable_wireless() for now. */
+#define KEYLARGO_GPIO_BASE	0x6a
+#define KEYLARGO_EXTINT_GPIO_REG_BASE	0x58
+
 /*
  * Format of a macio reg property entry.
  */
@@ -66,4 +71,6 @@ struct macio_devinfo {
 	struct resource_list mdi_resources;
 };
 
+extern int macio_enable_wireless(device_t dev, bool enable);
+
 #endif /* _MACIO_MACIOVAR_H_ */