From patchwork Tue Dec 20 15:46:33 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 132440 X-Patchwork-Delegate: sbabic@denx.de 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 7F882B6FDB for ; Wed, 21 Dec 2011 02:47:17 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id A2E3D28175; Tue, 20 Dec 2011 16:47:04 +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 jBkZDIW83Uy8; Tue, 20 Dec 2011 16:47:04 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 205DB28181; Tue, 20 Dec 2011 16:47:02 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id E7BA028171 for ; Tue, 20 Dec 2011 16:46:53 +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 okx6ZE1-vud5 for ; Tue, 20 Dec 2011 16:46:52 +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-yx0-f172.google.com (mail-yx0-f172.google.com [209.85.213.172]) by theia.denx.de (Postfix) with ESMTPS id EB15328147 for ; Tue, 20 Dec 2011 16:46:47 +0100 (CET) Received: by yenm7 with SMTP id m7so3933125yen.3 for ; Tue, 20 Dec 2011 07:46:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=jJ9LYWy+q/dmg3RZlpKBcbjRUC1rUt5ZTzLf5Lc+nVI=; b=l3ZF88M2FvVEqze3+XvwiQIF8iDk1MYwktMjKBXfMIlBv/tj0VLMSIdsQWMbfTTk1T vRCjlu3GoMDgqoESn98mcWa6CaalFQqs3NRyyvAN1TGcwKNkgdk1Fcc4K9qnsiw2Qp5t BMRaLPbsGQwp1GpUPNbStnlMS1q6Lg51Bsn9o= Received: by 10.236.92.168 with SMTP id j28mr4555083yhf.59.1324396006456; Tue, 20 Dec 2011 07:46:46 -0800 (PST) Received: from localhost.localdomain ([189.5.21.38]) by mx.google.com with ESMTPS id s12sm6137348and.15.2011.12.20.07.46.44 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 20 Dec 2011 07:46:45 -0800 (PST) From: Fabio Estevam To: u-boot@lists.denx.de Date: Tue, 20 Dec 2011 13:46:33 -0200 Message-Id: <1324395994-10786-3-git-send-email-festevam@gmail.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1324395994-10786-1-git-send-email-festevam@gmail.com> References: <1324395994-10786-1-git-send-email-festevam@gmail.com> Cc: Fabio Estevam Subject: [U-Boot] [PATCH v7 3/4] mx28: Let dram_init be common for mx28 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 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 Let dram_init function be a common function, so that other mx28 boards can reuse it. Signed-off-by: Fabio Estevam Acked-by: Marek Vasut --- Changes since v6: - Added Acked-by line Changes since v5: - Change return value on dram_init() Changes since v4: - Call mx28_dram_init from m28evk.c Changes since v3: - Rename dram_init to mx28_dram_init arch/arm/cpu/arm926ejs/mx28/mx28.c | 21 +++++++++++++++++++++ arch/arm/include/asm/arch-mx28/sys_proto.h | 2 ++ board/denx/m28evk/m28evk.c | 18 +----------------- 3 files changed, 24 insertions(+), 17 deletions(-) diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c b/arch/arm/cpu/arm926ejs/mx28/mx28.c index ee4e337..c95e900 100644 --- a/arch/arm/cpu/arm926ejs/mx28/mx28.c +++ b/arch/arm/cpu/arm926ejs/mx28/mx28.c @@ -260,6 +260,27 @@ void imx_get_mac_from_fuse(int dev_id, char *mac) } #endif +#define HW_DIGCTRL_SCRATCH0 0x8001c280 +#define HW_DIGCTRL_SCRATCH1 0x8001c290 +int mx28_dram_init(void) +{ + uint32_t sz[2]; + + sz[0] = readl(HW_DIGCTRL_SCRATCH0); + sz[1] = readl(HW_DIGCTRL_SCRATCH1); + + if (sz[0] != sz[1]) { + printf("MX28:\n" + "Error, the RAM size in HW_DIGCTRL_SCRATCH0 and\n" + "HW_DIGCTRL_SCRATCH1 is not the same. Please\n" + "verify these two registers contain valid RAM size!\n"); + hang(); + } + + gd->ram_size = sz[0]; + return 0; +} + U_BOOT_CMD( clocks, CONFIG_SYS_MAXARGS, 1, do_mx28_showclocks, "display clocks", diff --git a/arch/arm/include/asm/arch-mx28/sys_proto.h b/arch/arm/include/asm/arch-mx28/sys_proto.h index be1f7db..f101494 100644 --- a/arch/arm/include/asm/arch-mx28/sys_proto.h +++ b/arch/arm/include/asm/arch-mx28/sys_proto.h @@ -35,4 +35,6 @@ void mx28_common_spl_init(const iomux_cfg_t *iomux_setup, const unsigned int iomux_size); #endif +int mx28_dram_init(void); + #endif /* __MX28_H__ */ diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c index 005446a..53df476 100644 --- a/board/denx/m28evk/m28evk.c +++ b/board/denx/m28evk/m28evk.c @@ -70,25 +70,9 @@ int board_init(void) return 0; } -#define HW_DIGCTRL_SCRATCH0 0x8001c280 -#define HW_DIGCTRL_SCRATCH1 0x8001c290 int dram_init(void) { - uint32_t sz[2]; - - sz[0] = readl(HW_DIGCTRL_SCRATCH0); - sz[1] = readl(HW_DIGCTRL_SCRATCH1); - - if (sz[0] != sz[1]) { - printf("MX28:\n" - "Error, the RAM size in HW_DIGCTRL_SCRATCH0 and\n" - "HW_DIGCTRL_SCRATCH1 is not the same. Please\n" - "verify these two registers contain valid RAM size!\n"); - hang(); - } - - gd->ram_size = sz[0]; - return 0; + return mx28_dram_init(); } #ifdef CONFIG_CMD_MMC