File: [local] / sys / arch / macppc / pci / macobio.c (download)
Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:07:17 2008 UTC (16 years, 5 months ago) by nbrk
Branch: OPENBSD_4_2_BASE, MAIN
CVS Tags: jornada-partial-support-wip, HEAD Changes since 1.1: +0 -0 lines
Import of OpenBSD 4.2 release kernel tree with initial code to support
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO
Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)
|
/* $OpenBSD: macobio.c,v 1.17 2006/06/19 22:42:35 miod Exp $ */
/* $NetBSD: obio.c,v 1.6 1999/05/01 10:36:08 tsubai Exp $ */
/*-
* Copyright (C) 1998 Internet Research Institute, Inc.
* All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by
* Internet Research Institute, Inc.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
void macobio_attach(struct device *, struct device *, void *);
int macobio_match(struct device *, void *, void *);
int macobio_print(void *, const char *);
void macobio_modem_power(int enable);
void *undef_mac_establish(void * lcv, int irq, int type, int level,
int (*ih_fun)(void *), void *ih_arg, char *name);
void mac_intr_disestab(void *lcp, void *arg);
struct macobio_softc {
struct device sc_dev;
int sc_node;
struct ppc_bus_space sc_membus_space;
int sc_id; /* copy of the PCI pa_id */
u_int8_t *obiomem;
};
struct cfdriver macobio_cd = {
NULL, "macobio", DV_DULL,
};
struct cfattach macobio_ca = {
sizeof(struct macobio_softc), macobio_match, macobio_attach
};
int
macobio_match(struct device *parent, void *cf, void *aux)
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE)
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_APPLE_GC:
case PCI_PRODUCT_APPLE_OHARE:
case PCI_PRODUCT_APPLE_HEATHROW:
case PCI_PRODUCT_APPLE_PADDINGTON:
case PCI_PRODUCT_APPLE_KEYLARGO:
case PCI_PRODUCT_APPLE_INTREPID:
case PCI_PRODUCT_APPLE_PANGEA_MACIO:
case PCI_PRODUCT_APPLE_SHASTA:
case PCI_PRODUCT_APPLE_K2_MACIO:
return 1;
}
return 0;
}
#define HEATHROW_FCR_OFFSET 0x38
u_int32_t *heathrow_FCR = NULL;
/*
* Attach all the sub-devices we can find
*/
void
macobio_attach(struct device *parent, struct device *self, void *aux)
{
struct macobio_softc *sc = (struct macobio_softc *)self;
struct pci_attach_args *pa = aux;
struct confargs ca;
int node, child, namelen;
u_int32_t reg[20];
int32_t intr[8];
char name[32];
int need_interrupt_controller = 0;
sc->sc_id = pa->pa_id; /* save of type for later */
switch (PCI_PRODUCT(pa->pa_id)) {
/* XXX should not use name */
case PCI_PRODUCT_APPLE_GC:
node = OF_finddevice("/bandit/gc");
need_interrupt_controller = 1;
break;
case PCI_PRODUCT_APPLE_OHARE:
node = OF_finddevice("/bandit/ohare");
need_interrupt_controller = 1;
break;
case PCI_PRODUCT_APPLE_HEATHROW:
case PCI_PRODUCT_APPLE_PADDINGTON:
node = OF_finddevice("mac-io");
if (node == -1)
node = OF_finddevice("/pci/mac-io");
if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg))
== (sizeof (reg[0]) * 5))
{
/* always ??? */
heathrow_FCR = mapiodev(reg[2] + HEATHROW_FCR_OFFSET,
4);
}
break;
case PCI_PRODUCT_APPLE_KEYLARGO:
case PCI_PRODUCT_APPLE_INTREPID:
case PCI_PRODUCT_APPLE_PANGEA_MACIO:
case PCI_PRODUCT_APPLE_SHASTA:
case PCI_PRODUCT_APPLE_K2_MACIO:
node = OF_finddevice("mac-io");
if (node == -1)
node = OF_finddevice("/pci/mac-io");
if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg))
== (sizeof (reg[0]) * 5))
sc->obiomem = mapiodev(reg[2], 0x100);
break;
default:
printf(": unknown macobio controller\n");
return;
}
sc->sc_node = node;
if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12)
return;
ca.ca_baseaddr = reg[2];
sc->sc_membus_space.bus_base = ca.ca_baseaddr;
ca.ca_iot = &sc->sc_membus_space;
ca.ca_dmat = pa->pa_dmat;
printf("\n");
/*
* This might be a hack, but it makes the interrupt controller
* attach as expected if a device node existed in the OF tree.
*/
if (need_interrupt_controller) {
/* force attachment of legacy interrupt controllers */
ca.ca_name = "legacy-interrupt-controller";
ca.ca_node = 0;
ca.ca_nreg = 0;
ca.ca_nintr = 0;
ca.ca_reg = NULL;
ca.ca_intr = NULL;
config_found(self, &ca, macobio_print);
}
for (child = OF_child(node); child; child = OF_peer(child)) {
namelen = OF_getprop(child, "name", name, sizeof(name));
if (namelen < 0)
continue;
if (namelen >= sizeof(name))
continue;
name[namelen] = 0;
ca.ca_name = name;
ca.ca_node = child;
ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg));
ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
sizeof(intr));
if (ca.ca_nintr == -1)
ca.ca_nintr = OF_getprop(child, "interrupts", intr,
sizeof(intr));
ca.ca_reg = reg;
ca.ca_intr = intr;
config_found(self, &ca, macobio_print);
}
}
int
macobio_print(void *aux, const char *macobio)
{
struct confargs *ca = aux;
if (macobio)
printf("\"%s\" at %s", ca->ca_name, macobio);
if (ca->ca_nreg > 0)
printf(" offset 0x%x", ca->ca_reg[0]);
return UNCONF;
}
void *
undef_mac_establish(void * lcv, int irq, int type, int level,
int (*ih_fun)(void *), void *ih_arg, char *name)
{
printf("mac_intr_establish called, not yet inited\n");
return 0;
}
void
mac_intr_disestab(void *lcp, void *arg)
{
printf("mac_intr_disestablish called, not yet inited\n");
}
intr_establish_t *mac_intr_establish_func = undef_mac_establish;
intr_disestablish_t *mac_intr_disestablish_func = mac_intr_disestab;
void *
mac_intr_establish(void * lcv, int irq, int type, int level,
int (*ih_fun)(void *), void *ih_arg, char *name)
{
return (*mac_intr_establish_func)(lcv, irq, type, level, ih_fun,
ih_arg, name);
}
void
mac_intr_disestablish(void *lcp, void *arg)
{
(*mac_intr_disestablish_func)(lcp, arg);
}
void keylargo_fcr_enable(int offset, u_int32_t bits);
void keylargo_fcr_disable(int offset, u_int32_t bits);
u_int32_t keylargo_fcr_read(int offset);
void
keylargo_fcr_enable(int offset, u_int32_t bits)
{
struct macobio_softc *sc = macobio_cd.cd_devs[0];
if (sc->obiomem == 0)
return;
bits |= in32rb(sc->obiomem + offset);
out32rb(sc->obiomem + offset, bits);
}
void
keylargo_fcr_disable(int offset, u_int32_t bits)
{
struct macobio_softc *sc = macobio_cd.cd_devs[0];
if (sc->obiomem == 0)
return;
bits = in32rb(sc->obiomem + offset) & ~bits;
out32rb(sc->obiomem + offset, bits);
}
u_int32_t
keylargo_fcr_read(int offset)
{
struct macobio_softc *sc = macobio_cd.cd_devs[0];
if (sc->obiomem == 0)
return -1;
return in32rb(sc->obiomem + offset);
}
void
macobio_modem_power(int enable)
{
u_int32_t val;
struct macobio_softc *sc = macobio_cd.cd_devs[0];
if (PCI_PRODUCT(sc->sc_id) == PCI_PRODUCT_APPLE_KEYLARGO ||
PCI_PRODUCT(sc->sc_id) == PCI_PRODUCT_APPLE_INTREPID) {
val = in32rb(sc->obiomem + 0x40);
if (enable)
val = val & ~((u_int32_t)1<<25);
else
val = val | ((u_int32_t)1<<25);
out32rb(sc->obiomem + 0x40, val);
}
if (PCI_PRODUCT(sc->sc_id) == PCI_PRODUCT_APPLE_PANGEA_MACIO) {
if (enable) {
/* set reset */
out8(sc->obiomem + 0x006a + 0x03, 0x04);
/* power modem on */
out8(sc->obiomem + 0x006a + 0x02, 0x04);
/* unset reset */
out8(sc->obiomem + 0x006a + 0x03, 0x05);
} else {
/* disable it how? */
}
}
}