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author | se <se@FreeBSD.org> | 1994-09-06 22:39:12 +0000 |
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committer | se <se@FreeBSD.org> | 1994-09-06 22:39:12 +0000 |
commit | 034badb61cb44cec669121c1b8ee6eb9ce1b45c2 (patch) | |
tree | 896e69f0eeed6b2ee6c453ce19ca3f89c291715f | |
parent | 2c2543e63ea1418f2d34b7976204bc721042ee88 (diff) | |
download | FreeBSD-src-034badb61cb44cec669121c1b8ee6eb9ce1b45c2.zip FreeBSD-src-034badb61cb44cec669121c1b8ee6eb9ce1b45c2.tar.gz |
Reviewed by: Stefan Esser <se>
Submitted by:
Current development version of PCI and NCR 53c810 driver.
Not yet tested under FreeBSD-2.0 !
-rw-r--r-- | sys/i386/pci/pci_intel.c | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/sys/i386/pci/pci_intel.c b/sys/i386/pci/pci_intel.c new file mode 100644 index 0000000..8d1d10a --- /dev/null +++ b/sys/i386/pci/pci_intel.c @@ -0,0 +1,310 @@ +/************************************************************************** +** +** $Id: pci_intel.c,v 1.1 94/09/05 22:38:38 wolf Exp $ +** +** Device driver for INTEL PCI chipsets. +** +** 386bsd / FreeBSD +** +**------------------------------------------------------------------------- +** +** Written for 386bsd and FreeBSD by +** wolf@dentaro.gun.de Wolfgang Stanglmeier +** se@mi.Uni-Koeln.de Stefan Esser +** +**------------------------------------------------------------------------- +** +** Copyright (c) 1994 Wolfgang Stanglmeier. 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. 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. +** +**------------------------------------------------------------------------- +** +** $Log: pci_intel.c,v $ + * Revision 1.1 94/09/05 22:38:38 wolf + * Initial revision + * + * Revision 1.1 94/09/04 16:05:20 wolf + * Initial revision + * +*************************************************************************** +*/ + + +/*========================================================== +** +** Include files +** +**========================================================== +*/ + +#include <sys/types.h> + +#include <i386/pci/pci.h> +#include <i386/pci/pcibios.h> +#include <i386/pci/pci_device.h> + +static int probe1(pcici_t config_id); +static int return0(int unit); +static int intel_attach(pcici_t config_id, pcidi_t type); +static int intel_82424zx_attach(pcici_t config_id, pcidi_t type); +static int intel_82434lx_attach(pcici_t config_id, pcidi_t type); +extern void printf(); +static char confread(pcici_t config_id, int port); + +struct condmsg { + unsigned char port; + unsigned char mask; + unsigned char value; + char flags; + char *text; +}; + +#define M_EQ 0 /* mask and return true if equal */ +#define M_NE 1 /* mask and return true if not equal */ +#define TRUE 2 /* don't read config, always true */ + + +struct pci_driver intel82378_device = { + probe1, + intel_attach, + 0x04848086, + 0, + "intel 82378IB pci-isa bridge", + return0 +}; + +struct pci_driver intel82424_device = { + probe1, + intel_82424zx_attach, + 0x04838086, + 0, + "intel 82424ZX cache dram controller", + return0 +}; + +struct pci_driver intel82375_device = { + probe1, + intel_attach, + 0x04828086, + 0, + "intel 82375EB pci-eisa bridge", + return0 +}; + +struct pci_driver intel82434_device = { + probe1, + intel_82434lx_attach, + 0x04a38086, + 0, + "intel 82434LX pci cache memory controller", + return0 +}; + +struct condmsg conf82424zx[] = +{ + { 0x00, 0x00, 0x00, TRUE, "\tCPU: " }, + { 0x50, 0xe0, 0x00, M_EQ, "486DX" }, + { 0x50, 0xe0, 0x20, M_EQ, "486SX" }, + { 0x50, 0xe0, 0x40, M_EQ, "486DX2 or 486DX4" }, + { 0x50, 0xe0, 0x80, M_EQ, "Overdrive (writeback)" }, + + { 0x00, 0x00, 0x00, TRUE, ", bus=" }, + { 0x50, 0x03, 0x00, M_EQ, "25MHz" }, + { 0x50, 0x03, 0x01, M_EQ, "33MHz" }, + { 0x53, 0x01, 0x01, TRUE, ", CPU->Memory posting "}, + { 0x53, 0x01, 0x00, M_EQ, "OFF" }, + { 0x53, 0x01, 0x01, M_EQ, "ON" }, + + { 0x56, 0x30, 0x00, M_NE, "\t\nWarning:" }, + { 0x56, 0x20, 0x00, M_NE, " NO cache parity!" }, + { 0x56, 0x10, 0x00, M_NE, " NO DRAM parity!" }, + { 0x55, 0x04, 0x04, M_EQ, "\nWarning: refresh OFF! " }, + + { 0x00, 0x00, 0x00, TRUE, "\t\nCache: " }, + { 0x52, 0x01, 0x00, M_EQ, "None" }, + { 0x52, 0xc1, 0x01, M_EQ, "64KB" }, + { 0x52, 0xc1, 0x41, M_EQ, "128KB" }, + { 0x52, 0xc1, 0x81, M_EQ, "256KB" }, + { 0x52, 0xc1, 0xc1, M_EQ, "512KB" }, + { 0x52, 0x03, 0x01, M_EQ, " writethrough" }, + { 0x52, 0x03, 0x03, M_EQ, " writeback" }, + + { 0x52, 0x01, 0x01, M_EQ, ", cache clocks=" }, + { 0x52, 0x05, 0x01, M_EQ, "3-1-1-1" }, + { 0x52, 0x05, 0x05, M_EQ, "2-1-1-1" }, + + { 0x00, 0x00, 0x00, TRUE, "\t\nDRAM:" }, + { 0x55, 0x43, 0x00, M_NE, " page mode" }, + { 0x55, 0x02, 0x02, M_EQ, " code fetch" }, + { 0x55, 0x43, 0x43, M_EQ, "," }, + { 0x55, 0x43, 0x42, M_EQ, " and" }, + { 0x55, 0x40, 0x40, M_EQ, " read" }, + { 0x55, 0x03, 0x03, M_EQ, " and" }, + { 0x55, 0x43, 0x41, M_EQ, " and" }, + { 0x55, 0x01, 0x01, M_EQ, " write" }, + { 0x55, 0x43, 0x00, M_NE, "," }, + + { 0x00, 0x00, 0x00, TRUE, " memory clocks=" }, + { 0x55, 0x20, 0x00, M_EQ, "X-2-2-2" }, + { 0x55, 0x20, 0x20, M_EQ, "X-1-2-1" }, + + { 0x00, 0x00, 0x00, TRUE, "\t\nPCI: CPU->PCI posting " }, + { 0x53, 0x02, 0x02, M_EQ, "ON" }, + { 0x53, 0x02, 0x00, M_EQ, "OFF" }, + { 0x00, 0x00, 0x00, TRUE, ", CPU->PCI burst mode " }, + { 0x54, 0x02, 0x02, M_EQ, "ON" }, + { 0x54, 0x02, 0x00, M_EQ, "OFF" }, + { 0x00, 0x00, 0x00, TRUE, ", PCI->Mem. posting " }, + { 0x54, 0x01, 0x01, M_EQ, "ON" }, + { 0x54, 0x01, 0x00, M_EQ, "OFF" }, + + { 0x00, 0x00, 0x00, TRUE, "\n" }, + +/* end marker */ + { 0 } +}; + +struct condmsg conf82434lx[] = +{ + { 0x00, 0x00, 0x00, TRUE, "\tCPU: " }, + { 0x50, 0xe0, 0x80, M_EQ, "Pentium" }, + { 0x50, 0xe0, 0x80, M_NE, "???" }, + { 0x50, 0x02, 0x00, M_EQ, ", ???MHz" }, + { 0x50, 0x03, 0x02, M_EQ, ", 60MHz" }, + { 0x50, 0x03, 0x03, M_EQ, ", 66MHz" }, + { 0x50, 0x04, 0x00, M_EQ, " (primary cache OFF)" }, + + { 0x53, 0x01, 0x01, TRUE, ", CPU->Memory posting "}, + { 0x53, 0x01, 0x00, M_EQ, "OFF" }, + { 0x53, 0x01, 0x01, M_NE, "ON" }, + + { 0x53, 0x04, 0x00, M_NE, ", read around write"}, + + { 0x71, 0xc0, 0x00, M_NE, "\t\nWarning: NO cache parity!" }, + { 0x57, 0x20, 0x00, M_NE, "\t\nWarning: NO DRAM parity!" }, + { 0x55, 0x01, 0x01, M_EQ, "\t\nWarning: refresh OFF! " }, + + { 0x00, 0x00, 0x00, TRUE, "\t\nCache: " }, + { 0x52, 0x01, 0x00, M_EQ, "None" }, + { 0x52, 0x81, 0x01, M_EQ, "" }, + { 0x52, 0xc1, 0x81, M_EQ, "256KB" }, + { 0x52, 0xc1, 0xc1, M_EQ, "512KB" }, + { 0x52, 0x03, 0x01, M_EQ, " writethrough" }, + { 0x52, 0x03, 0x03, M_EQ, " writeback" }, + + { 0x52, 0x01, 0x01, M_EQ, ", cache clocks=" }, + { 0x52, 0x20, 0x00, M_EQ, "3-2-2-2/4-2-2-2" }, + { 0x52, 0x20, 0x00, M_NE, "3-1-1-1" }, + + { 0x00, 0x00, 0x00, TRUE, "\t\nDRAM:" }, + { 0x57, 0x10, 0x00, M_EQ, " page mode" }, + + { 0x00, 0x00, 0x00, TRUE, " memory clocks=" }, + { 0x57, 0xc0, 0x00, M_EQ, "X-4-4-4 (70ns)" }, + { 0x57, 0xc0, 0x40, M_EQ, "X-4-4-4/X-3-3-3 (60ns)" }, + { 0x57, 0xc0, 0x80, M_EQ, "???" }, + { 0x57, 0xc0, 0xc0, M_EQ, "X-3-3-3 (50ns)" }, + + { 0x00, 0x00, 0x00, TRUE, "\t\nPCI: CPU->PCI posting " }, + { 0x53, 0x02, 0x02, M_EQ, "ON" }, + { 0x53, 0x02, 0x00, M_EQ, "OFF" }, + { 0x00, 0x00, 0x00, TRUE, ", CPU->PCI burst mode " }, + { 0x54, 0x02, 0x00, M_NE, "ON" }, + { 0x54, 0x02, 0x00, M_EQ, "OFF" }, + { 0x00, 0x00, 0x00, TRUE, ", PCI->Memory posting " }, + { 0x54, 0x01, 0x00, M_NE, "ON" }, + { 0x54, 0x01, 0x00, M_EQ, "OFF" }, + { 0x54, 0x04, 0x00, TRUE, ", PCI clocks=" }, + { 0x54, 0x04, 0x00, M_EQ, "2-2-2-2" }, + { 0x54, 0x04, 0x00, M_NE, "2-1-1-1" }, + + { 0x00, 0x00, 0x00, TRUE, "\n" }, + +/* end marker */ + { 0 } +}; + +int return0(int unit) +{ + return (0); +} + +int probe1(pcici_t config_id) +{ + return (1); +} + +static char confread (pcici_t config_id, int port) +{ + unsigned long portw = port & -3; + unsigned long ports = (port - portw) << 3; + + unsigned long l = pci_conf_read (config_id, portw); + return (l >> ports); +} + +static void writeconfig(pcici_t config_id, struct condmsg *tbl) +{ + while (tbl->text) { + int cond = 0; + if (tbl->flags == TRUE) { + cond = 1; + } else { + unsigned char v = (unsigned char) confread(config_id, tbl->port); + switch (tbl->flags) { + case M_EQ: + if ((v & tbl->mask) == tbl->value) cond = 1; + break; + case M_NE: + if ((v & tbl->mask) != tbl->value) cond = 1; + break; + default: + } + } + if (cond) printf ("%s", tbl->text); + tbl++; + } +} + +int intel_attach(pcici_t config_id, pcidi_t type) +{ + printf (" [40] %x [50] %x [54] %x\n", + pci_conf_read (config_id, 0x40), + pci_conf_read (config_id, 0x50), + pci_conf_read (config_id, 0x54)); + return(0); +} + +int intel_82424zx_attach(pcici_t config_id, pcidi_t type) +{ + writeconfig (config_id, conf82424zx); + return (0); +} + +int intel_82434lx_attach(pcici_t config_id, pcidi_t type) +{ + writeconfig (config_id, conf82424zx); + return (0); +} + |