411 lines
12 KiB
C
411 lines
12 KiB
C
/*
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* Copyright (c) 1997 Ted Faber
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Absolutely no warranty of function or purpose is made by the author
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* Ted Faber.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <pci/pcireg.h>
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#include <pci/pcivar.h>
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#include <pci/pcic_p.h>
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#include <pccard/i82365.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#define PRVERB(x) if (bootverbose) device_printf x
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/*
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* Set up the CL-PD6832 to look like a ISA based PCMCIA chip (a
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* PD672X). This routine is called once per PCMCIA socket.
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*/
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static void
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pd6832_legacy_init(device_t dev)
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{
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u_long bcr; /* to set interrupts */
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u_short io_port; /* the io_port to map this slot on */
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static int num6832; /* The number of 6832s initialized */
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int unit;
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num6832 = 0;
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unit = device_get_unit(dev);
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/*
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* Some BIOS leave the legacy address uninitialized. This
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* insures that the PD6832 puts itself where the driver will
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* look. We assume that multiple 6832's should be laid out
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* sequentially. We only initialize the first socket's legacy port,
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* the other is a dummy.
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*/
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io_port = PCIC_INDEX_0 + num6832 * CLPD6832_NUM_REGS;
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if (unit == 0)
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pci_write_config(dev, CLPD6832_LEGACY_16BIT_IOADDR,
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io_port & ~PCI_MAP_IO, 4);
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/*
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* I think this should be a call to pci_map_port, but that
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* routine won't map regiaters above 0x28, and the register we
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* need to map is 0x44.
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*/
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io_port = pci_read_config(dev, CLPD6832_LEGACY_16BIT_IOADDR, 4) &
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~PCI_MAP_IO;
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/*
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* Configure the first I/O window to contain CLPD6832_NUM_REGS
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* words and deactivate the second by setting the limit lower
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* than the base.
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*/
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pci_write_config(dev, CLPD6832_IO_BASE0, io_port | 1, 4);
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pci_write_config(dev, CLPD6832_IO_LIMIT0,
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(io_port + CLPD6832_NUM_REGS) | 1, 4);
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pci_write_config(dev, CLPD6832_IO_BASE1, (io_port + 0x20) | 1, 4);
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pci_write_config(dev, CLPD6832_IO_LIMIT1, io_port | 1, 4);
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/*
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* Set default operating mode (I/O port space) and allocate
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* this socket to the current unit.
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*/
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pci_write_config(dev, PCI_COMMAND_STATUS_REG,
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CLPD6832_COMMAND_DEFAULTS, 4);
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pci_write_config(dev, CLPD6832_SOCKET, unit, 4);
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/*
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* Set up the card inserted/card removed interrupts to come
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* through the isa IRQ.
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*/
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bcr = pci_read_config(dev, CLPD6832_BRIDGE_CONTROL, 4);
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bcr |= (CLPD6832_BCR_ISA_IRQ|CLPD6832_BCR_MGMT_IRQ_ENA);
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pci_write_config(dev, CLPD6832_BRIDGE_CONTROL, bcr, 4);
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/* After initializing 2 sockets, the chip is fully configured */
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if (unit == 1)
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num6832++;
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PRVERB((dev, "CardBus: Legacy PC-card 16bit I/O address [0x%x]\n",
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io_port));
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}
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/*
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* TI1XXX PCI-CardBus Host Adapter specific function code.
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* This function is separated from pcic_pci_attach().
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* Support Device: TI1130,TI1131,TI1250,TI1220.
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* Test Device: TI1221.
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* Takeshi Shibagaki(shiba@jp.freebsd.org).
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*/
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static void
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ti1xxx_pci_init(device_t dev)
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{
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u_long syscntl,devcntl,cardcntl;
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u_int32_t device_id = pci_get_devid(dev);
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char buf[128];
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int ti113x = (device_id == PCI_DEVICE_ID_PCIC_TI1130)
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|| (device_id == PCI_DEVICE_ID_PCIC_TI1131);
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syscntl = pci_read_config(dev, TI113X_PCI_SYSTEM_CONTROL, 4);
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devcntl = pci_read_config(dev, TI113X_PCI_DEVICE_CONTROL, 1);
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cardcntl = pci_read_config(dev, TI113X_PCI_CARD_CONTROL, 1);
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switch(ti113x){
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case 0 :
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strcpy(buf, "TI12XX PCI Config Reg: ");
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break;
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case 1 :
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strcpy(buf, "TI113X PCI Config Reg: ");
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/*
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* Defalut card control register setting is
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* PCI interrupt. The method of this code
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* switches PCI INT and ISA IRQ by bit 7 of
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* Bridge Control Register(Offset:0x3e,0x13e).
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* Takeshi Shibagaki(shiba@jp.freebsd.org)
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*/
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cardcntl |= TI113X_CARDCNTL_PCI_IREQ;
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cardcntl |= TI113X_CARDCNTL_PCI_CSC;
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if (syscntl & TI113X_SYSCNTL_CLKRUN_ENA){
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if (syscntl & TI113X_SYSCNTL_CLKRUN_SEL)
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strcat(buf, "[clkrun irq 12]");
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else
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strcat(buf, "[clkrun irq 10]");
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}
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break;
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}
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if (cardcntl & TI113X_CARDCNTL_RING_ENA)
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strcat(buf, "[ring enable]");
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if (cardcntl & TI113X_CARDCNTL_SPKR_ENA)
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strcat(buf, "[speaker enable]");
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if (syscntl & TI113X_SYSCNTL_PWRSAVINGS)
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strcat(buf, "[pwr save]");
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switch(devcntl & TI113X_DEVCNTL_INTR_MASK){
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case TI113X_DEVCNTL_INTR_ISA :
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strcat(buf, "[CSC parallel isa irq]");
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break;
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case TI113X_DEVCNTL_INTR_SERIAL :
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strcat(buf, "[CSC serial isa irq]");
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break;
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case TI113X_DEVCNTL_INTR_NONE :
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strcat(buf, "[pci only]");
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break;
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case TI12XX_DEVCNTL_INTR_ALLSERIAL :
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strcat(buf, "[FUNC pci int + CSC serial isa irq]");
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break;
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}
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pci_write_config(dev, TI113X_PCI_CARD_CONTROL, cardcntl, 1);
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if (ti113x)
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cardcntl = pci_read_config(dev, TI113X_PCI_CARD_CONTROL, 1);
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device_printf(dev, "%s\n",buf);
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}
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static void
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generic_cardbus_attach(device_t dev)
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{
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u_int16_t brgcntl;
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u_int32_t iobase;
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int unit;
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unit = device_get_unit(dev);
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/* Output ISA IRQ indicated in ExCA register(0x03). */
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brgcntl = pci_read_config(dev, CB_PCI_BRIDGE_CTRL, 2);
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brgcntl |= CB_BCR_INT_EXCA;
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pci_write_config(dev, CB_PCI_BRIDGE_CTRL, brgcntl, 2);
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/* 16bit Legacy Mode Base Address */
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if (unit != 0)
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return;
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iobase = pci_read_config(dev, CB_PCI_LEGACY16_IOADDR, 2)
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& ~PCI_MAP_IO;
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if (!iobase) {
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iobase = 0x3e0 | PCI_MAP_IO;
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pci_write_config(dev, CB_PCI_LEGACY16_IOADDR, iobase, 2);
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iobase = pci_read_config(dev, CB_PCI_LEGACY16_IOADDR, 2)
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& ~PCI_MAP_IO;
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}
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PRVERB((dev, "Legacy address set to %#x\n", iobase));
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return;
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}
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/*
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* Return the ID string for the controller if the vendor/product id
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* matches, NULL otherwise.
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*/
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static int
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pcic_pci_probe(device_t dev)
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{
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u_int32_t device_id;
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char *desc;
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device_id = pci_get_devid(dev);
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desc = NULL;
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switch (device_id) {
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case PCI_DEVICE_ID_PCIC_CLPD6832:
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desc = "Cirrus Logic PD6832 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1130:
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desc = "TI PCI-1130 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1131:
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desc = "TI PCI-1131 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1211:
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desc = "TI PCI-1211 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1220:
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desc = "TI PCI-1220 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1221:
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desc = "TI PCI-1221 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1225:
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desc = "TI PCI-1225 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1250:
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desc = "TI PCI-1250 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1251:
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desc = "TI PCI-1251 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1251B:
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desc = "TI PCI-1251B PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1410:
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desc = "TI PCI-1410 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1420:
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desc = "TI PCI-1420 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1450:
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desc = "TI PCI-1450 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_TI1451:
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desc = "TI PCI-1451 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_TOSHIBA_TOPIC95:
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desc = "Toshiba ToPIC95 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_TOSHIBA_TOPIC97:
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desc = "Toshiba ToPIC97 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_RICOH_RL5C465:
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desc = "Ricoh RL5C465 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_RICOH_RL5C475:
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desc = "Ricoh RL5C475 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_RICOH_RL5C476:
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desc = "Ricoh RL5C476 PCI-CardBus Bridge";
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break;
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case PCI_DEVICE_ID_RICOH_RL5C478:
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desc = "Ricoh RL5C478 PCI-CardBus Bridge";
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break;
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/* 16bit PC-card bridges */
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case PCI_DEVICE_ID_PCIC_CLPD6729:
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desc = "Cirrus Logic PD6729/6730 PC-Card Controller";
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break;
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case PCI_DEVICE_ID_PCIC_OZ6729:
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desc = "O2micro OZ6729 PC-Card Bridge";
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break;
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case PCI_DEVICE_ID_PCIC_OZ6730:
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desc = "O2micro OZ6730 PC-Card Bridge";
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break;
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default:
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break;
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}
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if (desc == NULL)
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return (ENXIO);
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device_set_desc(dev, desc);
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return 0; /* exact match */
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}
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/*
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* General PCI based card dispatch routine. Right now
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* it only understands the CL-PD6832.
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*/
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static int
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pcic_pci_attach(device_t dev)
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{
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u_int32_t device_id = pci_get_devid(dev);
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u_long command;
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/* Init. CardBus/PC-card controllers as 16-bit PC-card controllers */
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/* Place any per "slot" initialization here */
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/*
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* In sys/pci/pcireg.h, PCI_COMMAND_STATUS_REG must be separated
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* PCI_COMMAND_REG(0x04) and PCI_STATUS_REG(0x06).
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* Takeshi Shibagaki(shiba@jp.freebsd.org).
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*/
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command = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4);
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command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
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pci_write_config(dev, PCI_COMMAND_STATUS_REG, command, 4);
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switch (device_id) {
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case PCI_DEVICE_ID_PCIC_TI1130:
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case PCI_DEVICE_ID_PCIC_TI1131:
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case PCI_DEVICE_ID_PCIC_TI1211:
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case PCI_DEVICE_ID_PCIC_TI1220:
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case PCI_DEVICE_ID_PCIC_TI1221:
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case PCI_DEVICE_ID_PCIC_TI1225:
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case PCI_DEVICE_ID_PCIC_TI1250:
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case PCI_DEVICE_ID_PCIC_TI1251:
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case PCI_DEVICE_ID_PCIC_TI1251B:
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case PCI_DEVICE_ID_PCIC_TI1410:
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case PCI_DEVICE_ID_PCIC_TI1420:
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case PCI_DEVICE_ID_PCIC_TI1450:
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case PCI_DEVICE_ID_PCIC_TI1451:
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ti1xxx_pci_init(dev);
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/* FALLTHROUGH */
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default:
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generic_cardbus_attach(dev);
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break;
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case PCI_DEVICE_ID_PCIC_CLPD6832:
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pd6832_legacy_init(dev);
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break;
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}
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if (bootverbose) {
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int i, j;
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u_char *p;
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u_long *pl;
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printf("PCI Config space:\n");
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for (j = 0; j < 0x98; j += 16) {
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printf("%02x: ", j);
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for (i = 0; i < 16; i += 4)
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printf(" %08x", pci_read_config(dev, i+j, 4));
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printf("\n");
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}
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p = (u_char *)pmap_mapdev(pci_read_config(dev, 0x10, 4),
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0x1000);
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pl = (u_long *)p;
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printf("Cardbus Socket registers:\n");
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printf("00: ");
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for (i = 0; i < 4; i += 1)
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printf(" %08lx:", pl[i]);
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printf("\n10: ");
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for (i = 4; i < 8; i += 1)
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printf(" %08lx:", pl[i]);
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printf("\nExCa registers:\n");
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for (i = 0; i < 0x40; i += 16)
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printf("%02x: %16D\n", i, p + 0x800 + i, " ");
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}
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return 0;
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}
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static device_method_t pcic_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, pcic_pci_probe),
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DEVMETHOD(device_attach, pcic_pci_attach),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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{0, 0}
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};
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static driver_t pcic_pci_driver = {
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"pcic-pci",
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pcic_pci_methods,
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0 /* no softc */
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};
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static devclass_t pcic_pci_devclass;
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DRIVER_MODULE(pcic_pci, pci, pcic_pci_driver, pcic_pci_devclass, 0, 0);
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