diff options
| author | dg <dg@FreeBSD.org> | 1994-04-13 10:15:34 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1994-04-13 10:15:34 +0000 |
| commit | f066d3fd23b7f1f18f22bce7ed147f92b85557fe (patch) | |
| tree | de694abb4b6562a6873105b9a599ec96aa3d8baa | |
| parent | 82ca87349af90594677610a086ce9ed524cea3b8 (diff) | |
| download | FreeBSD-src-f066d3fd23b7f1f18f22bce7ed147f92b85557fe.zip FreeBSD-src-f066d3fd23b7f1f18f22bce7ed147f92b85557fe.tar.gz | |
Add delays after changing from 8/16 - 16/8 bit mode and after enabling/
disabling the shared memory. The 83C790 needs these or it does bad things.
| -rw-r--r-- | sys/dev/ed/if_ed.c | 43 | ||||
| -rw-r--r-- | sys/i386/isa/if_ed.c | 43 |
2 files changed, 60 insertions, 26 deletions
diff --git a/sys/dev/ed/if_ed.c b/sys/dev/ed/if_ed.c index d9a7232..84047e2 100644 --- a/sys/dev/ed/if_ed.c +++ b/sys/dev/ed/if_ed.c @@ -16,7 +16,7 @@ */ /* - * $Id: if_ed.c,v 1.35 1994/03/02 05:50:01 davidg Exp $ + * $Id: if_ed.c,v 1.36 1994/04/10 20:06:26 davidg Exp $ */ #include "ed.h" @@ -527,6 +527,7 @@ ed_probe_WD80x3(isa_dev) if (sc->is790) { sc->wd_laar_proto = inb(sc->asic_addr + ED_WD_LAAR); outb(sc->asic_addr + ED_WD_LAAR, ED_WD_LAAR_M16EN); + (void) inb(0x84); } else { outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto = ED_WD_LAAR_L16EN | ED_WD_LAAR_M16EN | @@ -556,9 +557,11 @@ ed_probe_WD80x3(isa_dev) /* * Disable 16 bit access to shared memory */ - if (isa16bit) + if (isa16bit) { outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &= ~ED_WD_LAAR_M16EN)); + (void) inb(0x84); + } return(0); } @@ -571,10 +574,11 @@ ed_probe_WD80x3(isa_dev) * memory. and 2) so that other 8 bit devices with shared * memory can be used in this 128k region, too. */ - if (isa16bit) + if (isa16bit) { outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &= ~ED_WD_LAAR_M16EN)); - + (void) inb(0x84); + } } return (ED_WD_IO_PORTS); @@ -1456,8 +1460,12 @@ outloop: case ED_VENDOR_WD_SMC: { outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto | ED_WD_LAAR_M16EN)); - if (sc->is790) - outb(sc->asic_addr + ED_WD_MSR, ED_WD_MSR_MENB); + (void) inb(0x84); + if (sc->is790) { + outb(sc->asic_addr + ED_WD_MSR, ED_WD_MSR_MENB); + (void) inb(0x84); + } + (void) inb(0x84); break; } } @@ -1480,8 +1488,11 @@ outloop: break; case ED_VENDOR_WD_SMC: { outb(sc->asic_addr + ED_WD_LAAR, sc->wd_laar_proto); - if (sc->is790) - outb(sc->asic_addr + ED_WD_MSR, 0x00); + (void) inb(0x84); + if (sc->is790) { + outb(sc->asic_addr + ED_WD_MSR, 0x00); + (void) inb(0x84); + } break; } } @@ -1839,9 +1850,12 @@ edintr(unit) outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto |= ED_WD_LAAR_M16EN)); - if (sc->is790) - outb(sc->asic_addr + ED_WD_MSR, - ED_WD_MSR_MENB); + (void) inb(0x84); + if (sc->is790) { + outb(sc->asic_addr + ED_WD_MSR, + ED_WD_MSR_MENB); + (void) inb(0x84); + } } ed_rint (unit); @@ -1853,8 +1867,11 @@ edintr(unit) outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &= ~ED_WD_LAAR_M16EN)); - if (sc->is790) - outb(sc->asic_addr + ED_WD_MSR, 0x00); + (void) inb(0x84); + if (sc->is790) { + outb(sc->asic_addr + ED_WD_MSR, 0x00); + (void) inb(0x84); + } } } } diff --git a/sys/i386/isa/if_ed.c b/sys/i386/isa/if_ed.c index d9a7232..84047e2 100644 --- a/sys/i386/isa/if_ed.c +++ b/sys/i386/isa/if_ed.c @@ -16,7 +16,7 @@ */ /* - * $Id: if_ed.c,v 1.35 1994/03/02 05:50:01 davidg Exp $ + * $Id: if_ed.c,v 1.36 1994/04/10 20:06:26 davidg Exp $ */ #include "ed.h" @@ -527,6 +527,7 @@ ed_probe_WD80x3(isa_dev) if (sc->is790) { sc->wd_laar_proto = inb(sc->asic_addr + ED_WD_LAAR); outb(sc->asic_addr + ED_WD_LAAR, ED_WD_LAAR_M16EN); + (void) inb(0x84); } else { outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto = ED_WD_LAAR_L16EN | ED_WD_LAAR_M16EN | @@ -556,9 +557,11 @@ ed_probe_WD80x3(isa_dev) /* * Disable 16 bit access to shared memory */ - if (isa16bit) + if (isa16bit) { outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &= ~ED_WD_LAAR_M16EN)); + (void) inb(0x84); + } return(0); } @@ -571,10 +574,11 @@ ed_probe_WD80x3(isa_dev) * memory. and 2) so that other 8 bit devices with shared * memory can be used in this 128k region, too. */ - if (isa16bit) + if (isa16bit) { outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &= ~ED_WD_LAAR_M16EN)); - + (void) inb(0x84); + } } return (ED_WD_IO_PORTS); @@ -1456,8 +1460,12 @@ outloop: case ED_VENDOR_WD_SMC: { outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto | ED_WD_LAAR_M16EN)); - if (sc->is790) - outb(sc->asic_addr + ED_WD_MSR, ED_WD_MSR_MENB); + (void) inb(0x84); + if (sc->is790) { + outb(sc->asic_addr + ED_WD_MSR, ED_WD_MSR_MENB); + (void) inb(0x84); + } + (void) inb(0x84); break; } } @@ -1480,8 +1488,11 @@ outloop: break; case ED_VENDOR_WD_SMC: { outb(sc->asic_addr + ED_WD_LAAR, sc->wd_laar_proto); - if (sc->is790) - outb(sc->asic_addr + ED_WD_MSR, 0x00); + (void) inb(0x84); + if (sc->is790) { + outb(sc->asic_addr + ED_WD_MSR, 0x00); + (void) inb(0x84); + } break; } } @@ -1839,9 +1850,12 @@ edintr(unit) outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto |= ED_WD_LAAR_M16EN)); - if (sc->is790) - outb(sc->asic_addr + ED_WD_MSR, - ED_WD_MSR_MENB); + (void) inb(0x84); + if (sc->is790) { + outb(sc->asic_addr + ED_WD_MSR, + ED_WD_MSR_MENB); + (void) inb(0x84); + } } ed_rint (unit); @@ -1853,8 +1867,11 @@ edintr(unit) outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &= ~ED_WD_LAAR_M16EN)); - if (sc->is790) - outb(sc->asic_addr + ED_WD_MSR, 0x00); + (void) inb(0x84); + if (sc->is790) { + outb(sc->asic_addr + ED_WD_MSR, 0x00); + (void) inb(0x84); + } } } } |
