From patchwork Mon Jan 3 19:46:43 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Graeme Russ X-Patchwork-Id: 77330 X-Patchwork-Delegate: graeme.russ@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 276A0B70E6 for ; Tue, 4 Jan 2011 06:51:45 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id F2FB328394; Mon, 3 Jan 2011 20:49:54 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fyKbtnANpou4; Mon, 3 Jan 2011 20:49:54 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 86E89282CF; Mon, 3 Jan 2011 20:49:12 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 92438282A2 for ; Mon, 3 Jan 2011 20:49:10 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uIFfESBkwlga for ; Mon, 3 Jan 2011 20:49:10 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-fx0-f44.google.com (mail-fx0-f44.google.com [209.85.161.44]) by theia.denx.de (Postfix) with ESMTP id A045C2834A for ; Mon, 3 Jan 2011 20:48:39 +0100 (CET) Received: by mail-fx0-f44.google.com with SMTP id 9so12889169fxm.3 for ; Mon, 03 Jan 2011 11:48:39 -0800 (PST) Received: by 10.223.113.73 with SMTP id z9mr2040717fap.41.1294084119893; Mon, 03 Jan 2011 11:48:39 -0800 (PST) Received: from helios.localdomain6 (d122-104-38-246.sbr6.nsw.optusnet.com.au [122.104.38.246]) by mx.google.com with ESMTPS id a6sm3124092fak.1.2011.01.03.11.48.36 (version=SSLv3 cipher=RC4-MD5); Mon, 03 Jan 2011 11:48:39 -0800 (PST) From: Graeme Russ To: u-boot@lists.denx.de Date: Tue, 4 Jan 2011 06:46:43 +1100 Message-Id: <1294084016-2674-24-git-send-email-graeme.russ@gmail.com> X-Mailer: git-send-email 1.7.1.422.g049e9 In-Reply-To: <1294084016-2674-1-git-send-email-graeme.russ@gmail.com> References: <1294084016-2674-1-git-send-email-graeme.russ@gmail.com> Subject: [U-Boot] [RFC][PATCH 23/36] sc520 - Init SDRAM PAR early X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.9 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de --- board/eNET/eNET.c | 4 +--- board/eNET/eNET_start.S | 13 ++++++++++++- 2 files changed, 13 insertions(+), 4 deletions(-) --- 1.7.1.422.g049e9 diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c index db3be5f..c585771 100644 --- a/board/eNET/eNET.c +++ b/board/eNET/eNET.c @@ -118,9 +118,7 @@ static void enet_setup_pars(void) /* PAR 2 is used for Cache-As-RAM */ - /* PARs 3 and 4 are SDRAM */ - writel(SC520_SDRAM1_PAR, &sc520_mmcr->par[3]); - writel(SC520_SDRAM2_PAR, &sc520_mmcr->par[4]); + /* PARs 3 and 4 are SDRAM (already configured in eNET_start.S) */ /* * PARs 5 through 8 are additional NS16550 UARTS diff --git a/board/eNET/eNET_start.S b/board/eNET/eNET_start.S index 137fe41..c9e95ee 100644 --- a/board/eNET/eNET_start.S +++ b/board/eNET/eNET_start.S @@ -22,11 +22,22 @@ */ #include "hardware.h" +#include +#include /* board early intialization */ .globl early_board_init early_board_init: - /* No 32-bit board specific initialisation */ + /* Map PAR for first 128MB of RAM */ + movl $SC520_PAR3, %edi + movl $SC520_SDRAM1_PAR, %eax + movl %eax, (%di) + + /* Map PAR for second 128MB of RAM */ + movl $SC520_PAR4, %edi + movl $SC520_SDRAM2_PAR, %eax + movl %eax, (%di) + jmp early_board_init_ret .globl cpu_halt_asm