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/*
* 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.
*
* $Id: pcic_p.c,v 1.6 1998/08/18 00:32:48 bde Exp $
*/
#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 <pccard/i82365.h>
#include <vm/vm.h>
#include <vm/pmap.h>
static u_long pcic_pci_count = 0;
static const 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 const 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(" %08lx", 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(" %08lx:", pl[i]);
printf("\n10: ");
for (i = 4; i < 8; i += 1)
printf(" %08lx:", 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 */
static int num6832 = 0; /* The number of 6832s initialized */
/*
* Some BIOS leave the legacy address uninitialized. This
* insures that the PD6832 puts itself where the driver will
* look. We assume that multiple 6832's should be laid out
* sequentially. We only initialize the first socket's legacy port,
* the other is a dummy.
*/
io_port = PCIC_INDEX_0 + num6832 * CLPD6832_NUM_REGS;
if (unit == 0)
pci_conf_write(tag, CLPD6832_LEGACY_16BIT_IOADDR,
io_port & ~PCI_MAP_IO);
/*
* 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);
/* After initializing 2 sockets, the chip is fully configured */
if (unit == 1)
num6832++;
if (bootverbose)
printf("CardBus: Legacy PC-card 16bit I/O address [0x%x]\n",
io_port);
}
#endif /* NPCI > 0 */
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