Added "BROKEN_KEYBOARD_RESET" option to disable using the keyboard reset
in cpu_reset(). Some MBs don't deal with this properly. Submitted by: Rod Grimes
This commit is contained in:
David Greenman
parent
4d7b3c6f96
commit
5eb46edfb0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=8590
@ -38,7 +38,7 @@
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*
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* from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91
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* Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$
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* $Id: vm_machdep.c,v 1.36 1995/04/26 07:38:35 rgrimes Exp $
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* $Id: vm_machdep.c,v 1.37 1995/05/01 23:32:30 dyson Exp $
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*/
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#include "npx.h"
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@ -794,10 +794,13 @@ cpu_reset() {
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* do not turn of the GateA20, as any machine that fails
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* to do the reset here would then end up in no man's land.
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*/
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#ifndef BROKEN_KEYBOARD_RESET
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outb(IO_KBD + 4, 0xFE);
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DELAY(500000); /* wait 0.5 sec to see if that did it */
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printf("Keyboard reset did not work, attempting CPU shutdown\n");
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DELAY(1000000); /* wait 1 sec for printf to complete */
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#endif
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/* force a shutdown by unmapping entire address space ! */
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bzero((caddr_t) PTD, NBPG);
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@ -2,7 +2,7 @@
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# LINT -- config file for checking all the sources, tries to pull in
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# as much of the source tree as it can.
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#
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# $Id: LINT,v 1.180 1995/05/12 15:17:55 ache Exp $
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# $Id: LINT,v 1.181 1995/05/14 02:59:45 davidg Exp $
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#
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# NB: You probably don't want to try running a kernel built from this
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# file. Instead, you should start from GENERIC, and add options from
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@ -383,11 +383,15 @@ controller isa0
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# TUNE_1542 enables the automatic ISA bus speed selection for the
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# Adaptec 1542 boards. Does not work for all boards, use it with caution.
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#
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# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
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# reset the CPU for reboot. This is needed on some systems with broken
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# keyboard controllers.
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options "AUTO_EOI_1"
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#options "AUTO_EOI_2"
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options BOUNCE_BUFFERS
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#options DUMMY_NOPS
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#options "TUNE_1542"
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#options "BROKEN_KEYBOARD_RESET"
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# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
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#device vt0 at isa? port "IO_KBD" tty irq 1 vector pcrint
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@ -2,7 +2,7 @@
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# LINT -- config file for checking all the sources, tries to pull in
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# as much of the source tree as it can.
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#
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# $Id: LINT,v 1.180 1995/05/12 15:17:55 ache Exp $
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# $Id: LINT,v 1.181 1995/05/14 02:59:45 davidg Exp $
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#
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# NB: You probably don't want to try running a kernel built from this
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# file. Instead, you should start from GENERIC, and add options from
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@ -383,11 +383,15 @@ controller isa0
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# TUNE_1542 enables the automatic ISA bus speed selection for the
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# Adaptec 1542 boards. Does not work for all boards, use it with caution.
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#
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# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
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# reset the CPU for reboot. This is needed on some systems with broken
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# keyboard controllers.
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options "AUTO_EOI_1"
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#options "AUTO_EOI_2"
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options BOUNCE_BUFFERS
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#options DUMMY_NOPS
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#options "TUNE_1542"
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#options "BROKEN_KEYBOARD_RESET"
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# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
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#device vt0 at isa? port "IO_KBD" tty irq 1 vector pcrint
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@ -2,7 +2,7 @@
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# LINT -- config file for checking all the sources, tries to pull in
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# as much of the source tree as it can.
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#
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# $Id: LINT,v 1.180 1995/05/12 15:17:55 ache Exp $
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# $Id: LINT,v 1.181 1995/05/14 02:59:45 davidg Exp $
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#
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# NB: You probably don't want to try running a kernel built from this
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# file. Instead, you should start from GENERIC, and add options from
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@ -383,11 +383,15 @@ controller isa0
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# TUNE_1542 enables the automatic ISA bus speed selection for the
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# Adaptec 1542 boards. Does not work for all boards, use it with caution.
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#
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# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
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# reset the CPU for reboot. This is needed on some systems with broken
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# keyboard controllers.
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options "AUTO_EOI_1"
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#options "AUTO_EOI_2"
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options BOUNCE_BUFFERS
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#options DUMMY_NOPS
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#options "TUNE_1542"
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#options "BROKEN_KEYBOARD_RESET"
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# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
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#device vt0 at isa? port "IO_KBD" tty irq 1 vector pcrint
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@ -38,7 +38,7 @@
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*
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* from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91
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* Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$
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* $Id: vm_machdep.c,v 1.36 1995/04/26 07:38:35 rgrimes Exp $
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* $Id: vm_machdep.c,v 1.37 1995/05/01 23:32:30 dyson Exp $
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*/
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#include "npx.h"
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@ -794,10 +794,13 @@ cpu_reset() {
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* do not turn of the GateA20, as any machine that fails
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* to do the reset here would then end up in no man's land.
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*/
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#ifndef BROKEN_KEYBOARD_RESET
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outb(IO_KBD + 4, 0xFE);
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DELAY(500000); /* wait 0.5 sec to see if that did it */
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printf("Keyboard reset did not work, attempting CPU shutdown\n");
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DELAY(1000000); /* wait 1 sec for printf to complete */
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#endif
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/* force a shutdown by unmapping entire address space ! */
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bzero((caddr_t) PTD, NBPG);
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