linux-kernel - [PATCH 6/7] [RFC] enable early TLBs for BG/P

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Date:	Wed, 18 May 2011 16:24:54 -0500
From:	Eric Van Hensbergen <ericvh@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	linuxppc-dev@...ts.ozlabs.org, bg-linux@...ts.anl-external.org,
	Eric Van Hensbergen <ericvh@...il.com>
Subject: [PATCH 6/7] [RFC] enable early TLBs for BG/P

BG/P maps firmware with an early TLB

Signed-off-by: Eric Van Hensbergen <ericvh@...il.com>
---
 arch/powerpc/include/asm/mmu-44x.h |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/include/asm/mmu-44x.h b/arch/powerpc/include/asm/mmu-44x.h
index ca1b90c..2807d6e 100644
--- a/arch/powerpc/include/asm/mmu-44x.h
+++ b/arch/powerpc/include/asm/mmu-44x.h
@@ -115,8 +115,12 @@ typedef struct {
 #endif /* !__ASSEMBLY__ */
 
 #ifndef CONFIG_PPC_EARLY_DEBUG_44x
+#ifndef CONFIG_BGP
 #define PPC44x_EARLY_TLBS	1
-#else
+#else /* CONFIG_BGP */
+#define PPC44x_EARLY_TLBS	2
+#endif /* CONFIG_BGP */
+#else /* CONFIG_PPC_EARLY_DEBUG_44x */
 #define PPC44x_EARLY_TLBS	2
 #define PPC44x_EARLY_DEBUG_VIRTADDR	(ASM_CONST(0xf0000000) \
 	| (ASM_CONST(CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW) & 0xffff))
-- 
1.7.4.1

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