PERFORCE change 128688 for review

[Oleksandr Tymoshenko]

http://perforce.freebsd.org/chv.cgi?CH=128688

Change 128688 by gonzo at gonzo_jeeves on 2007/11/05 18:53:51

	o Perform PCI registers fixup for Korina ethernet on 
	    PCI bridge initialization.

Affected files ...

.. //depot/projects/mips2/src/sys/mips/mips32/idt/idtpci.c#4 edit

Differences ...

==== //depot/projects/mips2/src/sys/mips/mips32/idt/idtpci.c#4 (text+ko) ====

@@ -111,6 +111,13 @@
 #define REG_READ(o) *((volatile uint32_t *)MIPS_PHYS_TO_KSEG1(IDT_BASE_PCI + (o)))
 #define REG_WRITE(o,v) (REG_READ(o)) = (v)
 
+unsigned int korina_fixup[24] = { 
+	0x00000157, 0x00000000, 0x00003c04, 0x00000008, 0x18800001, 0x18000001,
+	0x48000008, 0x00000000, 0x00000000, 0x00000000, 0x011d0214, 0x00000000,
+	0x00000000, 0x00000000, 0x38080101, 0x00008080, 0x00000d6e, 0x00000000,
+	0x00000051, 0x00000000, 0x00000055, 0x18000000, 0x00000000, 0x00000000 
+};
+
 struct idtpci_softc {
 	device_t		sc_dev;
 
@@ -122,6 +129,13 @@
 	uint32_t		sc_io;
 };
 
+static uint32_t
+idtpci_make_addr(int bus, int slot, int func, int reg)
+{
+
+	return 0x80000000 | (bus << 16) | (slot << 11) | (func << 8) | reg;
+}
+
 static int
 idtpci_probe(device_t dev)
 {
@@ -135,6 +149,8 @@
 	int busno = 0;
 	struct idtpci_softc *sc = device_get_softc(dev);
 	unsigned int pci_data, force_endianess = 0;
+	int		i;
+	bus_addr_t	addr;
 
 	sc->sc_dev = dev;
 	sc->sc_busno = busno;
@@ -210,6 +226,19 @@
 	/* Rewrite Target Control register with default values */
 	REG_WRITE(IDT_PCI_TC, (IDT_PCI_TC_DTIMER << 8) | IDT_PCI_TC_RTIMER);
 
+	/* Perform Korina fixup */
+	addr = idtpci_make_addr(0, 0, 0, 4);
+	for (i = 0; i < 24; i++) {
+
+		REG_WRITE(IDT_PCI_CFG_ADDR, addr);
+		REG_WRITE(IDT_PCI_CFG_DATA, korina_fixup[i]);
+		__asm__ volatile ("sync");
+
+		REG_WRITE(IDT_PCI_CFG_ADDR, 0);
+		REG_WRITE(IDT_PCI_CFG_DATA, 0);
+		addr += 4;
+	}
+
 	/* Use KSEG1 to access IO ports for it is uncached */
 	sc->sc_io = 0;
 	sc->sc_io_rman.rm_type = RMAN_ARRAY;
@@ -249,13 +278,6 @@
 }
 
 static uint32_t
-idtpci_make_addr(int bus, int slot, int func, int reg)
-{
-
-	return 0x80000000 | (bus << 16) | (slot << 11) | (func << 8) | reg;
-}
-
-static uint32_t
 idtpci_read_config(device_t dev, int bus, int slot, int func, int reg,
     int bytes)
 {
@@ -455,6 +477,7 @@
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
+
 	if (rv == NULL)
 		return (NULL);
 
@@ -493,7 +516,7 @@
 		int flags, driver_filter_t *filt, driver_intr_t *handler, 
 		void *arg, void **cookiep)
 {
-
+	panic("setup_intr");
 #if 0
 	struct idtpci_softc *sc = device_get_softc(dev);
 	struct intr_event *event;