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powerpc/47x: Base ppc476 support

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This patch adds the base support for the 476 processor.  The code was
primarily written by Ben Herrenschmidt and Torez Smith, but I've been
maintaining it for a while.

The goal is to have a single binary that will run on 44x and 47x, but
we still have some details to work out.  The biggest is that the L1 cache
line size differs on the two platforms, but it's currently a compile-time
option.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Torez Smith  <lnxtorez@linux.vnet.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
This commit is contained in:
Dave Kleikamp
2010-03-05 10:43:12 +00:00
committed by Josh Boyer
parent 795033c344
commit e7f75ad01d
17 changed files with 871 additions and 44 deletions
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1
arch/powerpc/include/asm/mmu.h
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@@ -18,6 +18,7 @@
#define MMU_FTR_TYPE_44x ASM_CONST(0x00000008)
#define MMU_FTR_TYPE_FSL_E ASM_CONST(0x00000010)
#define MMU_FTR_TYPE_3E ASM_CONST(0x00000020)
#define MMU_FTR_TYPE_47x ASM_CONST(0x00000040)
/*
* This is individual features