From patchwork Fri Feb 17 12:05:26 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SRICHARAN R X-Patchwork-Id: 141805 X-Patchwork-Delegate: trini@ti.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 0B53BB6F99 for ; Fri, 17 Feb 2012 23:08:04 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 4CECD280E5; Fri, 17 Feb 2012 13:07:18 +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 Ge83tdmNuHoO; Fri, 17 Feb 2012 13:07:17 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id E2454280E6; Fri, 17 Feb 2012 13:06:02 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id DCD5928090 for ; Fri, 17 Feb 2012 13:05:47 +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 oDWz2GmzH61l for ; Fri, 17 Feb 2012 13:05:46 +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 devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by theia.denx.de (Postfix) with ESMTPS id AC7292809E for ; Fri, 17 Feb 2012 13:05:40 +0100 (CET) Received: from dbdp20.itg.ti.com ([172.24.170.38]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id q1HC5aNt012657 for ; Fri, 17 Feb 2012 06:05:37 -0600 Received: from DBDE71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id q1HC5a3T009640 for ; Fri, 17 Feb 2012 17:35:36 +0530 (IST) Received: from dbdp31.itg.ti.com (172.24.170.98) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 14.1.323.3; Fri, 17 Feb 2012 17:35:36 +0530 Received: from ula0393807.apr.dhcp.ti.com (ula0393807-172024136145.apr.dhcp.ti.com [172.24.136.145]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id q1HC5XME021801; Fri, 17 Feb 2012 17:35:35 +0530 (IST) From: R Sricharan To: Date: Fri, 17 Feb 2012 17:35:26 +0530 Message-ID: <1329480333-18353-11-git-send-email-r.sricharan@ti.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1329480333-18353-1-git-send-email-r.sricharan@ti.com> References: <1329480333-18353-1-git-send-email-r.sricharan@ti.com> MIME-Version: 1.0 Subject: [U-Boot] [PATCH 10/17] OMAP4/5: device: Add support to get the device type. 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: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de Add support to identify the device as GP/EMU/HS. Signed-off-by: R Sricharan --- arch/arm/cpu/armv7/omap-common/hwinit-common.c | 6 +++++- arch/arm/include/asm/arch-omap4/omap.h | 4 ++++ arch/arm/include/asm/arch-omap5/omap.h | 4 ++++ 3 files changed, 13 insertions(+), 1 deletions(-) diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c index ab46bff..10e7669 100644 --- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c +++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c @@ -217,7 +217,11 @@ int arch_cpu_init(void) */ u32 get_device_type(void) { - return 0; + struct omap_sys_ctrl_regs *ctrl = + (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; + + return (readl(&ctrl->control_status) & + (DEVICE_TYPE_MASK)) >> DEVICE_TYPE_SHIFT; } /* diff --git a/arch/arm/include/asm/arch-omap4/omap.h b/arch/arm/include/asm/arch-omap4/omap.h index 5fd692f..3a39787 100644 --- a/arch/arm/include/asm/arch-omap4/omap.h +++ b/arch/arm/include/asm/arch-omap4/omap.h @@ -139,6 +139,10 @@ struct s32ktimer { unsigned int s32k_cr; /* 0x10 */ }; +#define DEVICE_TYPE_SHIFT (0x8) +#define DEVICE_TYPE_MASK (0x7 << DEVICE_TYPE_SHIFT) +#define DEVICE_GP 0x3 + struct omap_sys_ctrl_regs { unsigned int pad1[129]; unsigned int control_id_code; /* 0x4A002204 */ diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index 7e17c76..2725392 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -136,6 +136,10 @@ struct s32ktimer { unsigned int s32k_cr; /* 0x10 */ }; +#define DEVICE_TYPE_SHIFT 0x6 +#define DEVICE_TYPE_MASK (0x7 << DEVICE_TYPE_SHIFT) +#define DEVICE_GP 0x3 + struct omap_sys_ctrl_regs { u32 pad0[77]; /* 0x4A002000 */ u32 control_status; /* 0x4A002134 */