From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752876AbcGCQrQ (ORCPT ); Sun, 3 Jul 2016 12:47:16 -0400 Received: from mail1.asahi-net.or.jp ([202.224.39.197]:9753 "EHLO mail1.asahi-net.or.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752824AbcGCQq5 (ORCPT ); Sun, 3 Jul 2016 12:46:57 -0400 From: Yoshinori Sato To: linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Yoshinori Sato Subject: [PATCH v5 01/22] sh: Add sh-specific early_init_dt_reserve_memory_arch Date: Mon, 4 Jul 2016 01:46:21 +0900 Message-Id: <1467564402-2649-2-git-send-email-ysato@users.sourceforge.jp> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1467564402-2649-1-git-send-email-ysato@users.sourceforge.jp> References: <1467564402-2649-1-git-send-email-ysato@users.sourceforge.jp> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org sh used P1 address space in early device tree. So need convert P1 to physical address before reserve memory. Signed-off-by: Yoshinori Sato --- arch/sh/boards/of-generic.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c index 57d45dc..8dbf978 100644 --- a/arch/sh/boards/of-generic.c +++ b/arch/sh/boards/of-generic.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -203,3 +204,14 @@ static int __init sh_of_device_init(void) return 0; } arch_initcall_sync(sh_of_device_init); + +int __init early_init_dt_reserve_memory_arch(phys_addr_t base, + phys_addr_t size, bool nomap) +{ + if (nomap) + return memblock_remove(base, size); + + if (base >= P1SEG) + base &= ~P1SEG; + return memblock_reserve(base, size); +} -- 2.7.0