178 lines
5.1 KiB
C
178 lines
5.1 KiB
C
/*
|
|
* Copyright (c) 1997 Ted Faber
|
|
* 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 immediately at the beginning of the file, without modification,
|
|
* 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. Absolutely no warranty of function or purpose is made by the author
|
|
* Ted Faber.
|
|
*
|
|
* 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.
|
|
* are met:
|
|
*/
|
|
|
|
#include "pci.h"
|
|
#if NPCI > 0
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <pci/pcireg.h>
|
|
#include <pci/pcivar.h>
|
|
#include <pci/pcic_p.h>
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
|
|
static u_long pcic_pci_count = 0;
|
|
|
|
static char *pcic_pci_probe(pcici_t, pcidi_t);
|
|
static void pcic_pci_attach(pcici_t, int);
|
|
|
|
static void pd6832_legacy_init(pcici_t tag, int unit);
|
|
|
|
static struct pci_device pcic_pci_driver = {
|
|
"pcic",
|
|
pcic_pci_probe,
|
|
pcic_pci_attach,
|
|
&pcic_pci_count,
|
|
NULL
|
|
};
|
|
|
|
DATA_SET(pcidevice_set, pcic_pci_driver);
|
|
|
|
/*
|
|
* Return the ID string for the controller if the vendor/product id
|
|
* matches, NULL otherwise.
|
|
*/
|
|
static char *
|
|
pcic_pci_probe(pcici_t tag, pcidi_t type)
|
|
{
|
|
switch (type) {
|
|
case PCI_DEVICE_ID_PCIC_CLPD6729:
|
|
return ("Cirrus Logic PD6729/6730 PC-Card Controller");
|
|
case PCI_DEVICE_ID_PCIC_CLPD6832:
|
|
return ("Cirrus Logic PD6832 CardBus Adapter");
|
|
case PCI_DEVICE_ID_PCIC_TI1130:
|
|
return ("TI 1130 PCMCIA/CardBus Bridge");
|
|
case PCI_DEVICE_ID_PCIC_TI1131:
|
|
return ("TI 1131 PCI to PCMCIA/CardBus bridge");
|
|
default:
|
|
break;
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
* General PCI based card dispatch routine. Right now
|
|
* it only understands the CL-PD6832.
|
|
*/
|
|
static void
|
|
pcic_pci_attach(pcici_t config_id, int unit)
|
|
{
|
|
u_long pcic_type; /* The vendor id of the PCI pcic */
|
|
|
|
pcic_type = pci_conf_read(config_id, PCI_ID_REG);
|
|
|
|
switch (pcic_type) {
|
|
case PCI_DEVICE_ID_PCIC_CLPD6832:
|
|
pd6832_legacy_init(config_id, unit);
|
|
break;
|
|
}
|
|
|
|
if (bootverbose) {
|
|
int i, j;
|
|
u_char *p;
|
|
u_long *pl;
|
|
|
|
printf("PCI Config space:\n");
|
|
for (j = 0; j < 0x98; j += 16) {
|
|
printf("%02x: ", j);
|
|
for (i = 0; i < 16; i += 4)
|
|
printf(" %08x", pci_conf_read(config_id, i+j));
|
|
printf("\n");
|
|
}
|
|
p = (u_char *)pmap_mapdev(pci_conf_read(config_id, 0x10),
|
|
0x1000);
|
|
pl = (u_long *)p;
|
|
printf("Cardbus Socket registers:\n");
|
|
printf("00: ");
|
|
for (i = 0; i < 4; i += 1)
|
|
printf(" %08x:", pl[i]);
|
|
printf("\n10: ");
|
|
for (i = 4; i < 8; i += 1)
|
|
printf(" %08x:", pl[i]);
|
|
printf("\nExCa registers:\n");
|
|
for (i = 0; i < 0x40; i += 16)
|
|
printf("%02x: %16D\n", i, p + 0x800 + i, " ");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set up the CL-PD6832 to look like a ISA based PCMCIA chip (a
|
|
* PD672X). This routine is called once per PCMCIA socket.
|
|
*/
|
|
static void
|
|
pd6832_legacy_init(pcici_t tag, int unit)
|
|
{
|
|
u_long bcr; /* to set interrupts */
|
|
u_short io_port; /* the io_port to map this slot on */
|
|
|
|
/*
|
|
* I think this should be a call to pci_map_port, but that
|
|
* routine won't map regiaters above 0x28, and the register we
|
|
* need to map is 0x44.
|
|
*/
|
|
io_port = pci_conf_read(tag, CLPD6832_LEGACY_16BIT_IOADDR)
|
|
& ~PCI_MAP_IO;
|
|
|
|
/*
|
|
* Configure the first I/O window to contain CLPD6832_NUM_REGS
|
|
* words and deactivate the second by setting the limit lower
|
|
* than the base.
|
|
*/
|
|
pci_conf_write(tag, CLPD6832_IO_BASE0, io_port | 1);
|
|
pci_conf_write(tag, CLPD6832_IO_LIMIT0,
|
|
(io_port + CLPD6832_NUM_REGS) | 1);
|
|
|
|
pci_conf_write(tag, CLPD6832_IO_BASE1, (io_port +0x20) | 1);
|
|
pci_conf_write(tag, CLPD6832_IO_LIMIT1, io_port | 1 );
|
|
|
|
/*
|
|
* Set default operating mode (I/O port space) and allocate
|
|
* this socket to the current unit.
|
|
*/
|
|
pci_conf_write(tag, PCI_COMMAND_STATUS_REG, CLPD6832_COMMAND_DEFAULTS );
|
|
pci_conf_write(tag, CLPD6832_SOCKET, unit);
|
|
|
|
/*
|
|
* Set up the card inserted/card removed interrupts to come
|
|
* through the isa IRQ.
|
|
*/
|
|
bcr = pci_conf_read(tag, CLPD6832_BRIDGE_CONTROL);
|
|
bcr |= (CLPD6832_BCR_ISA_IRQ|CLPD6832_BCR_MGMT_IRQ_ENA);
|
|
pci_conf_write(tag, CLPD6832_BRIDGE_CONTROL, bcr);
|
|
|
|
if (bootverbose)
|
|
printf("CardBus: Legacy PC-card 16bit I/O address [0x%x]\n",
|
|
io_port);
|
|
}
|
|
#endif /* NPCI > 0 */
|