Commit b1017ae4 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Linus Torvalds

[PATCH] Amiga Zorro bus doc updates

Amiga Zorro bus: Update the docs to match the current situation.
parent 4411451d
......@@ -2,7 +2,7 @@
----------------------------------------
Written by Geert Uytterhoeven <geert@linux-m68k.org>
Last revised: February 27, 2000
Last revised: September 5, 2003
1. Introduction
......@@ -75,7 +75,7 @@ they are CPU physical addresses as well.
The treatment of these regions depends on the type of Zorro space:
- Zorro II address space is always mapped and does not have to be mapped
explicitly using ioremap().
explicitly using z_ioremap().
Conversion from bus/physical Zorro II addresses to kernel virtual addresses
and vice versa is done using:
......@@ -83,22 +83,20 @@ The treatment of these regions depends on the type of Zorro space:
virt_addr = ZTWO_VADDR(bus_addr);
bus_addr = ZTWO_PADDR(virt_addr);
- Zorro III address space must be mapped explicitly using ioremap() first
- Zorro III address space must be mapped explicitly using z_ioremap() first
before it can be accessed:
virt_addr = ioremap(bus_addr, size);
virt_addr = z_ioremap(bus_addr, size);
...
iounmap(virt_addr);
z_iounmap(virt_addr);
5. References
-------------
linux/include/linux/zorro.h
linux/include/linux/ioport.h
linux/include/asm-m68k/io.h
linux/include/asm-m68k/amigahw.h
linux/include/asm-ppc/io.h
linux/include/asm-{m68k,ppc}/zorro.h
linux/include/linux/zorro_ids.h
linux/drivers/zorro
/proc/bus/zorro
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment