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/* $OpenBSD: kauaiata.c,v 1.8 2007/02/05 06:46:56 drahn Exp $ */
/*
* Copyright (c) 2003 Dale Rahn
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
* Glue to to attach kauai ata to the macobio_wdc
* which it heavily resembles.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/ofw/openfirm.h>
#include <machine/autoconf.h>
struct kauaiata_softc {
struct device sc_dev;
struct ppc_bus_space sc_membus_space;
/* XXX */
};
int kauaiatamatch(struct device *parent, void *match, void *aux);
void kauaiataattach(struct device *parent, struct device *self, void *aux);
int kauaiata_print(void *aux, const char *dev);
struct cfattach kauaiata_ca = {
sizeof(struct kauaiata_softc), kauaiatamatch, kauaiataattach,
};
struct cfdriver kauaiata_cd = {
NULL, "kauaiata", DV_DULL,
};
int
kauaiatamatch(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
/*
* Match the adapter
* XXX match routine??
*/
switch(PCI_VENDOR(pa->pa_id)) {
case PCI_VENDOR_APPLE:
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_APPLE_UNINORTH_ATA:
case PCI_PRODUCT_APPLE_INTREPID_ATA:
case PCI_PRODUCT_APPLE_INTREPID2_ATA:
case PCI_PRODUCT_APPLE_K2_ATA:
case PCI_PRODUCT_APPLE_SHASTA_ATA:
return (1);
}
break;
}
return 0;
}
void
kauaiataattach(struct device *parent, struct device *self, void *aux)
{
int node;
struct confargs ca;
int namelen;
u_int32_t reg[20];
char name[32];
int32_t intr[8];
struct kauaiata_softc *sc = (struct kauaiata_softc *)self;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
/* XXX not neccessarily the right device */
node = OF_finddevice("uata");
if (node == -1)
node = OF_finddevice("/pci@f4000000/ata-6");
/*
* XXX - need to compare node and PCI id to verify this is the
* correct device.
*/
ca.ca_nreg = OF_getprop(node, "reg", reg, sizeof(reg));
/*
* The PCI Interrupt Configuration Registers seems to be
* hardwired to 0. Get the interrupt line from OpenFirmware.
*/
/* XXX */
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_SHASTA_ATA) {
ca.ca_nintr = OF_getprop(node, "interrupts",
intr, sizeof intr);
} else {
ca.ca_nintr = 4;
intr[0] = 0x27;
}
namelen = OF_getprop(node, "name", name, sizeof(name));
if ((namelen < 0) || (namelen >= sizeof(name))) {
printf(" bad name prop len %x\n", namelen);
return;
}
name[namelen] = 0; /* name property may not be null terminated */
/* config read */
sc->sc_membus_space.bus_base =
pci_conf_read(pc, pa->pa_tag, PCI_MAPREG_START);
/* make sure device memory access is enabled */
{
bus_space_tag_t iot;
bus_space_handle_t ioh;
bus_size_t size;
if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_MEM, 0,
&iot, &ioh, NULL, &size, 0)) {
printf(": mapping memory failed\n");
return;
}
bus_space_unmap(iot, ioh, size);
}
#if 0
pci_conf_write(pc, pa->pa_tag, PCI_MAPREG_START, 0xffffffff);
size = ~(pci_conf_read(pc, pa->pa_tag, PCI_MAPREG_START));
pci_conf_write(pc, pa->pa_tag, PCI_MAPREG_START,
sc->sc_membus_space.bus_base);
#endif
ca.ca_baseaddr = sc->sc_membus_space.bus_base;
ca.ca_name = name;
ca.ca_iot = &sc->sc_membus_space;
ca.ca_dmat = pa->pa_dmat;
ca.ca_reg = reg;
reg[0] = 0x2000; /* offset to wdc registers */
reg[1] = reg[9] - 0x2000; /* map size of wdc registers */
reg[2] = 0x1000; /* offset to dbdma registers */
reg[3] = 0x1000; /* map size of dbdma registers */
ca.ca_intr = intr;
printf("\n");
config_found(self, &ca, kauaiata_print);
}
int
kauaiata_print(void *aux, const char *dev)
{
return QUIET;
}
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