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powerpc: remove PReP platform

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PPC_PREP is marked as BROKEN since v2.6.15. Remove all PReP specific
code now.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
This commit is contained in:
Paul Bolle
2013-03-27 00:47:03 +00:00
committed by Michael Ellerman
parent 9850baed30
commit 933ee7119f
12 changed files with 19 additions and 242 deletions
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5
arch/powerpc/include/asm/dma.h
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@@ -16,10 +16,6 @@
*
* None of this really applies for Power Macintoshes. There is
* basically just enough here to get kernel/dma.c to compile.
*
* There may be some comments or restrictions made here which are
* not valid for the PReP platform. Take what you read
* with a grain of salt.
*/
#include <asm/io.h>
@@ -57,7 +53,6 @@
* - page registers for 5-7 don't use data bit 0, represent 128K pages
* - page registers for 0-3 use bit 0, represent 64K pages
*
* On PReP, DMA transfers are limited to the lower 16MB of _physical_ memory.
* On CHRP, the W83C553F (and VLSI Tollgate?) support full 32 bit addressing.
* Note that addresses loaded into registers must be _physical_ addresses,
* not logical addresses (which may differ if paging is active).