From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mgw3.sony.co.jp (MGW3.Sony.CO.JP [137.153.0.15]) by ozlabs.org (Postfix) with ESMTP id 76AEE68F7F for ; Sat, 11 Nov 2006 07:03:40 +1100 (EST) Received: from mail2.sony.co.jp (localhost [127.0.0.1]) by mail2.sony.co.jp (R8/Sony) with ESMTP id kAAK3cXG000476 for ; Sat, 11 Nov 2006 05:03:38 +0900 (JST) Received: from mailgw01.scei.sony.co.jp (mailgw01.scei.sony.co.jp [43.27.73.7]) by mail2.sony.co.jp (R8/Sony) with SMTP id kAAK3cqY000456 for ; Sat, 11 Nov 2006 05:03:38 +0900 (JST) Message-ID: <4554DB14.3070900@am.sony.com> Date: Fri, 10 Nov 2006 12:03:32 -0800 From: Geoff Levand MIME-Version: 1.0 To: Paul Mackerras Subject: [PATCH 13/16] powerpc: add ps3 platform lpar addressing Content-Type: text/plain; charset=UTF-8 Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Adds some needed bits for a config option PS3PF_USE_LPAR_ADDR that disables the ps3pf lpar address translation mechanism. This is a currently needed workaround for limitations in the design of the spu support. Signed-off-by: Geoff Levand --- arch/powerpc/platforms/ps3pf/Kconfig | 11 +++++++++++ include/asm-powerpc/sparsemem.h | 6 ++++++ 2 files changed, 17 insertions(+) Index: cell--common--6/arch/powerpc/platforms/ps3pf/Kconfig =================================================================== --- cell--common--6.orig/arch/powerpc/platforms/ps3pf/Kconfig +++ cell--common--6/arch/powerpc/platforms/ps3pf/Kconfig @@ -29,4 +29,15 @@ This support is mainly for Linux kernel development. If unsure, say N. +config PS3PF_USE_LPAR_ADDR + depends on PS3PF && EXPERIMENTAL + bool "PS3 Platform use lpar address space" + default y + help + This option is solely for experimentation by experts. Disables + translation of lpar addresses. SPE support currently won't work + without this set to y. + + If you have any doubt, choose the default y. + endmenu Index: cell--common--6/include/asm-powerpc/sparsemem.h =================================================================== --- cell--common--6.orig/include/asm-powerpc/sparsemem.h +++ cell--common--6/include/asm-powerpc/sparsemem.h @@ -9,8 +9,14 @@ * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space */ #define SECTION_SIZE_BITS 24 + +#if defined(CONFIG_PS3PF_USE_LPAR_ADDR) +#define MAX_PHYSADDR_BITS 47 +#define MAX_PHYSMEM_BITS 47 +#else #define MAX_PHYSADDR_BITS 44 #define MAX_PHYSMEM_BITS 44 +#endif #ifdef CONFIG_MEMORY_HOTPLUG extern void create_section_mapping(unsigned long start, unsigned long end);