diff options
Diffstat (limited to 'sys/i386/pci/pcibios.c')
| -rw-r--r-- | sys/i386/pci/pcibios.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/sys/i386/pci/pcibios.c b/sys/i386/pci/pcibios.c deleted file mode 100644 index 2069387a594c..000000000000 --- a/sys/i386/pci/pcibios.c +++ /dev/null @@ -1,276 +0,0 @@ -/************************************************************************** -** -** $Id: pcibios.c,v 2.6 94/10/11 19:01:25 wolf Oct11 $ -** -** #define for pci-bus bios functions. -** -** 386bsd / FreeBSD -** -**------------------------------------------------------------------------- -** -** 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. -** -*************************************************************************** -*/ - -#include <pci.h> -#if NPCI > 0 - -#if __FreeBSD__ >= 2 -#define HAS_CPUFUNC_H -#endif - -#include <types.h> -#include <i386/isa/isa.h> -#include <i386/pci/pcireg.h> -#ifdef HAS_CPUFUNC_H -#include <i386/include/cpufunc.h> -#endif - -extern int printf(); - -static char pci_mode; - - -/*-------------------------------------------------------------------- -** -** Port access -** -**-------------------------------------------------------------------- -*/ - -#ifndef HAS_CPUFUNC_H - -#undef inl -#define inl(port) \ -({ u_long data; \ - __asm __volatile("inl %1, %0": "=a" (data): "d" ((u_short)(port))); \ - data; }) - - -#undef outl -#define outl(port, data) \ -{__asm __volatile("outl %0, %1"::"a" ((u_long)(data)), "d" ((u_short)(port)));} - - -#undef inb -#define inb(port) \ -({ u_char data; \ - __asm __volatile("inb %1, %0": "=a" (data): "d" ((u_short)(port))); \ - data; }) - - -#undef outb -#define outb(port, data) \ -{__asm __volatile("outb %0, %1"::"a" ((u_char)(data)), "d" ((u_short)(port)));} - -#endif /* HAS_CPUFUNC_H */ - -/*-------------------------------------------------------------------- -** -** Determine configuration mode -** -**-------------------------------------------------------------------- -*/ - - -#define CONF1_ENABLE 0x80000000ul -#define CONF1_ADDR_PORT 0x0cf8 -#define CONF1_DATA_PORT 0x0cfc - - -#define CONF2_ENABLE_PORT 0x0cf8 -#define CONF2_FORWARD_PORT 0x0cfa - - -int pci_conf_mode (void) -{ -#ifdef PCI_CONF_MODE - return (PCI_CONF_MODE) -#else /* PCI_CONF_MODE */ - u_long result, oldval; - - /*--------------------------------------- - ** Configuration mode 2 ? - **--------------------------------------- - */ - - outb (CONF2_ENABLE_PORT, 0); - outb (CONF2_FORWARD_PORT, 0); - if (!inb (CONF2_ENABLE_PORT) && !inb (CONF2_FORWARD_PORT)) { - pci_mode = 2; - return (2); - }; - - /*--------------------------------------- - ** Configuration mode 1 ? - **--------------------------------------- - */ - - oldval = inl (CONF1_ADDR_PORT); - outl (CONF1_ADDR_PORT, CONF1_ENABLE); - result = inl (CONF1_ADDR_PORT); - outl (CONF1_ADDR_PORT, oldval); - - if (result == CONF1_ENABLE) { - pci_mode = 1; - return (1); - }; - - /*--------------------------------------- - ** No PCI bus available. - **--------------------------------------- - */ - return (0); -#endif /* PCI_CONF_MODE */ -} - -/*-------------------------------------------------------------------- -** -** Build a pcitag from bus, device and function number -** -**-------------------------------------------------------------------- -*/ - -pcici_t pcitag (unsigned char bus, - unsigned char device, - unsigned char func) -{ - pcici_t tag; - - tag.cfg1 = 0; - if (device >= 32) return tag; - if (func >= 8) return tag; - - switch (pci_mode) { - - case 1: - tag.cfg1 = CONF1_ENABLE - | (((u_long) bus ) << 16ul) - | (((u_long) device) << 11ul) - | (((u_long) func ) << 8ul); - break; - case 2: - if (device >= 16) break; - tag.cfg2.port = 0xc000 | (device << 8ul); - tag.cfg2.enable = 0xf1 | (func << 1ul); - tag.cfg2.forward = bus; - break; - }; - return tag; -} - -/*-------------------------------------------------------------------- -** -** Read register from configuration space. -** -**-------------------------------------------------------------------- -*/ - - -u_long pci_conf_read (pcici_t tag, u_long reg) -{ - u_long addr, data = 0; - - if (!tag.cfg1) return (0xfffffffful); - - switch (pci_mode) { - - case 1: - addr = tag.cfg1 | (reg & 0xfc); -#ifdef PCI_DEBUG - printf ("pci_conf_read(1): addr=%x ", addr); -#endif - outl (CONF1_ADDR_PORT, addr); - data = inl (CONF1_DATA_PORT); - outl (CONF1_ADDR_PORT, 0 ); - break; - - case 2: - addr = tag.cfg2.port | (reg & 0xfc); -#ifdef PCI_DEBUG - printf ("pci_conf_read(2): addr=%x ", addr); -#endif - outb (CONF2_ENABLE_PORT , tag.cfg2.enable ); - outb (CONF2_FORWARD_PORT, tag.cfg2.forward); - - data = inl ((u_short) addr); - - outb (CONF2_ENABLE_PORT, 0); - outb (CONF2_FORWARD_PORT, 0); - break; - }; - -#ifdef PCI_DEBUG - printf ("data=%x\n", data); -#endif - - return (data); -} - -/*-------------------------------------------------------------------- -** -** Write register into configuration space. -** -**-------------------------------------------------------------------- -*/ - - -void pci_conf_write (pcici_t tag, u_long reg, u_long data) -{ - u_long addr; - - if (!tag.cfg1) return; - - switch (pci_mode) { - - case 1: - addr = tag.cfg1 | (reg & 0xfc); -#ifdef PCI_DEBUG - printf ("pci_conf_write(1): addr=%x data=%x\n", - addr, data); -#endif - outl (CONF1_ADDR_PORT, addr); - outl (CONF1_DATA_PORT, data); - outl (CONF1_ADDR_PORT, 0 ); - break; - - case 2: - addr = tag.cfg2.port | (reg & 0xfc); -#ifdef PCI_DEBUG - printf ("pci_conf_write(2): addr=%x data=%x\n", - addr, data); -#endif - outb (CONF2_ENABLE_PORT, tag.cfg2.enable); - outb (CONF2_FORWARD_PORT, tag.cfg2.forward); - - outl ((u_short) addr, data); - - outb (CONF2_ENABLE_PORT, 0); - outb (CONF2_FORWARD_PORT, 0); - break; - }; -} -#endif /* NPCI > 0 */ |