diff options
| -rw-r--r-- | sys/arch/sun3/dev/README | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/sys/arch/sun3/dev/README b/sys/arch/sun3/dev/README index aecbfe7708e..854a166d7fe 100644 --- a/sys/arch/sun3/dev/README +++ b/sys/arch/sun3/dev/README @@ -1,16 +1,16 @@ -$NetBSD: README,v 1.2 1994/10/26 09:08:31 cgd Exp $ +$NetBSD: README,v 1.3 1996/11/19 20:58:32 gwr Exp $ NetBSD/sun3 supports the following busses: Bus: +mainbus - An imaginary bus on which the other busses all reside. + obio - Devices on the motherboard, accessed by having their "registers" mapped into the kernel's virtual address space -obctl - Devices on the motherboard accessible only via the 'CONTROL' space, - and supporting instructions on the m68k. obmem - Devices on the motherboard that are mapped into main memory by the hardware. Only true of some framebuffers. -mainbus - An imaginary bus on which obio, obctl, obmem, and the prom device - all reside. +vmes - VME D16 space +vmel - VME D32 space Devices supported: @@ -20,16 +20,4 @@ Device Type Description zs CHAR zilog 8530 serial ports; used for serial ports, keybd, mouse le IFNET lance ethernet driver -'obctl' Bus: -Device Type Description ---------------------------------------------------------------------------- -idprom CHAR makes idprom contents accessible in user-space - - -The 'prom' device is just wierd as it isn't a real device, but enough -wrapping so that the prom input/output routines can be used to make -the prom's idea of the console both a tty, and a console in the netbsd -sense. - -prom CHAR prom-based tty and console support - +XXX - very much incomplete... |