From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.wrs.com (mail.windriver.com [147.11.1.11]) by ozlabs.org (Postfix) with ESMTP id 3C419DDF08 for ; Wed, 21 May 2008 12:43:29 +1000 (EST) Message-ID: <48337D1C.2070108@windriver.com> Date: Wed, 21 May 2008 10:38:36 +0900 From: Andrew Liu MIME-Version: 1.0 To: paulus@samba.org Subject: [PATCH] [POWERPC] Uniformly use memstart_addr variable as the start address of physical memory in powerpc branch Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , [POWERPC]: Uniformly use memstart_addr as the start address of RAM The variable: memstart_addr whose initial value is got from dts file is used as the start address of physical memory in PowerPC ARCH, although it is used in functions: mapin_ram(pgtable_32.c) and cam_mapin_ram(fsl_booke_mmu.c), however, in function: mmu_mapin_ram (ppc_mmu_32.c), use 0 as the start address of physical memory, so it is necessary to unify them: in mmu_mapin_ram, use memstart_addr as the start address of physical memory, instead of 0. Signed-off-by: Andrew Liu --- b/arch/powerpc/mm/ppc_mmu_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index cef9f15..f133c6e 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -98,7 +98,7 @@ unsigned long __init mmu_mapin_ram(void) break; } - setbat(2, KERNELBASE, 0, bl, _PAGE_RAM); + setbat(2, KERNELBASE, memstart_addr, bl, _PAGE_RAM); done = (unsigned long)bat_addrs[2].limit - KERNELBASE + 1; if ((done < tot) && !bat_addrs[3].limit) { /* use BAT3 to cover a bit more */ @@ -106,7 +106,7 @@ unsigned long __init mmu_mapin_ram(void) for (bl = 128<<10; bl < max_size; bl <<= 1) if (bl * 2 > tot) break; - setbat(3, KERNELBASE+done, done, bl, _PAGE_RAM); + setbat(3, KERNELBASE+done, memstart_addr+done, bl, _PAGE_RAM); done = (unsigned long)bat_addrs[3].limit - KERNELBASE + 1; }