diff options
Diffstat (limited to 'sys/i386/bios/mca_machdep.c')
| -rw-r--r-- | sys/i386/bios/mca_machdep.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/sys/i386/bios/mca_machdep.c b/sys/i386/bios/mca_machdep.c deleted file mode 100644 index 6b71206394ff7..0000000000000 --- a/sys/i386/bios/mca_machdep.c +++ /dev/null @@ -1,158 +0,0 @@ -/*- - * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net> - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - * - * $FreeBSD$ - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <vm/vm.h> -#include <vm/pmap.h> -#include <machine/pmap.h> -#include <machine/md_var.h> -#include <machine/vm86.h> -#include <machine/pc/bios.h> -#include <machine/cpufunc.h> - -#include <dev/mca/mca_busreg.h> -#include <i386/isa/mca_machdep.h> - -/* Global MCA bus flag */ -int MCA_system = 0; - -/* System Configuration Block */ -struct sys_config { - u_int16_t count; - u_int8_t model; - u_int8_t submodel; - u_int8_t bios_rev; - u_int8_t feature; -#define FEATURE_RESV 0x01 /* Reserved */ -#define FEATURE_MCABUS 0x02 /* MicroChannel Architecture */ -#define FEATURE_EBDA 0x04 /* Extended BIOS data area allocated */ -#define FEATURE_WAITEV 0x08 /* Wait for external event is supported */ -#define FEATURE_KBDINT 0x10 /* Keyboard intercept called by Int 09h */ -#define FEATURE_RTC 0x20 /* Real-time clock present */ -#define FEATURE_IC2 0x40 /* Second interrupt chip present */ -#define FEATURE_DMA3 0x80 /* DMA channel 3 used by hard disk BIOS */ - u_int8_t pad[3]; -} __attribute__ ((packed)); - -/* Function Prototypes */ -static void bios_mcabus_present (void *); -SYSINIT(mca_present, SI_SUB_CPU, SI_ORDER_ANY, bios_mcabus_present, NULL); - -/* Functions */ -static void -bios_mcabus_present(void * dummy) -{ - struct vm86frame vmf; - struct sys_config * scp; - vm_offset_t paddr; - - bzero(&vmf, sizeof(struct vm86frame)); - - vmf.vmf_ah = 0xc0; - if (vm86_intcall(0x15, &vmf)) { - if (bootverbose) { - printf("BIOS SDT: INT call failed.\n"); - } - return; - } - - if ((vmf.vmf_ah != 0) && (vmf.vmf_flags & 0x01)) { - if (bootverbose) { - printf("BIOS SDT: Not supported. Not PS/2?\n"); - printf("BIOS SDT: AH 0x%02x, Flags 0x%04x\n", - vmf.vmf_ah, vmf.vmf_flags); - } - return; - } - - paddr = vmf.vmf_es; - paddr = (paddr << 4) + vmf.vmf_bx; - scp = (struct sys_config *)BIOS_PADDRTOVADDR(paddr); - - if (bootverbose) { - printf("BIOS SDT: model 0x%02x, submodel 0x%02x, bios_rev 0x%02x\n", - scp->model, scp->submodel, scp->bios_rev); - printf("BIOS SDT: features 0x%b\n", scp->feature, - "\20" - "\01RESV" - "\02MCABUS" - "\03EBDA" - "\04WAITEV" - "\05KBDINT" - "\06RTC" - "\07IC2" - "\08DMA3\n"); - } - - MCA_system = ((scp->feature & FEATURE_MCABUS) ? 1 : 0); - - if (MCA_system) - printf("MicroChannel Architecture System detected.\n"); - - return; -} - -int -mca_bus_nmi (void) -{ - int slot; - int retval = 0; - int pos5 = 0; - - /* Disable motherboard setup */ - outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS); - - /* For each slot */ - for (slot = 0; slot < MCA_MAX_SLOTS; slot++) { - - /* Select the slot */ - outb(MCA_ADAP_SETUP_REG, slot | MCA_ADAP_SET); - pos5 = inb(MCA_POS_REG(MCA_POS5)); - - /* If Adapter Check is low */ - if ((pos5 & MCA_POS5_CHCK) == 0) { - retval++; - - /* If Adapter Check Status is available */ - if ((pos5 & MCA_POS5_CHCK_STAT) == 0) { - printf("MCA NMI: slot %d, POS6=0x%02x, POS7=0x%02x\n", - slot+1, - inb( MCA_POS_REG(MCA_POS6) ), - inb( MCA_POS_REG(MCA_POS7) )); - } else { - printf("MCA NMI: slot %d\n", slot+1); - } - } - /* Disable adapter setup */ - outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS); - } - - return (retval); -} |