From patchwork Thu Jan 27 13:59:28 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kamat, Nishant" X-Patchwork-Id: 512461 X-Patchwork-Delegate: tony@atomide.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p0RDxfph018520 for ; Thu, 27 Jan 2011 13:59:42 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752937Ab1A0N7k (ORCPT ); Thu, 27 Jan 2011 08:59:40 -0500 Received: from arroyo.ext.ti.com ([192.94.94.40]:47487 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750921Ab1A0N7j (ORCPT ); Thu, 27 Jan 2011 08:59:39 -0500 Received: from dlep35.itg.ti.com ([157.170.170.118]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id p0RDxdJ1030868 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 27 Jan 2011 07:59:39 -0600 Received: from legion.dal.design.ti.com (localhost [127.0.0.1]) by dlep35.itg.ti.com (8.13.7/8.13.7) with ESMTP id p0RDxcv0012158; Thu, 27 Jan 2011 07:59:38 -0600 (CST) Received: from localhost ([172.24.191.55]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id p0RDxbf13343; Thu, 27 Jan 2011 07:59:37 -0600 (CST) From: Nishant Kamat To: linux-omap@vger.kernel.org Cc: Nishant Kamat Subject: [RESEND][PATCH] ARM: OMAP: Add chip id recognition for OMAP4 ES2.1 and ES2.2 Date: Thu, 27 Jan 2011 19:29:28 +0530 Message-Id: <1296136768-19337-1-git-send-email-nskamat@ti.com> X-Mailer: git-send-email 1.7.1 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 27 Jan 2011 13:59:42 +0000 (UTC) diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 5f9086c..8fd0535 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -6,7 +6,7 @@ * Copyright (C) 2005 Nokia Corporation * Written by Tony Lindgren * - * Copyright (C) 2009 Texas Instruments + * Copyright (C) 2009-11 Texas Instruments * Added OMAP4 support - Santosh Shilimkar * * This program is free software; you can redistribute it and/or modify @@ -307,7 +307,7 @@ static void __init omap4_check_revision(void) */ idcode = read_tap_reg(OMAP_TAP_IDCODE); hawkeye = (idcode >> 12) & 0xffff; - rev = (idcode >> 28) & 0xff; + rev = (idcode >> 28) & 0xf; /* * Few initial ES2.0 samples IDCODE is same as ES1.0 @@ -326,22 +326,31 @@ static void __init omap4_check_revision(void) omap_chip.oc |= CHIP_IS_OMAP4430ES1; break; case 1: + default: omap_revision = OMAP4430_REV_ES2_0; omap_chip.oc |= CHIP_IS_OMAP4430ES2; + } + break; + case 0xb95c: + switch (rev) { + case 3: + omap_revision = OMAP4430_REV_ES2_1; + omap_chip.oc |= CHIP_IS_OMAP4430ES2_1; break; + case 4: default: - omap_revision = OMAP4430_REV_ES2_0; - omap_chip.oc |= CHIP_IS_OMAP4430ES2; - } - break; + omap_revision = OMAP4430_REV_ES2_2; + omap_chip.oc |= CHIP_IS_OMAP4430ES2_2; + } + break; default: - /* Unknown default to latest silicon rev as default*/ - omap_revision = OMAP4430_REV_ES2_0; - omap_chip.oc |= CHIP_IS_OMAP4430ES2; + /* Unknown default to latest silicon rev as default */ + omap_revision = OMAP4430_REV_ES2_2; + omap_chip.oc |= CHIP_IS_OMAP4430ES2_2; } - pr_info("OMAP%04x ES%d.0\n", - omap_rev() >> 16, ((omap_rev() >> 12) & 0xf) + 1); + pr_info("OMAP%04x ES%d.%d\n", omap_rev() >> 16, + ((omap_rev() >> 12) & 0xf), ((omap_rev() >> 8) & 0xf)); } #define OMAP3_SHOW_FEATURE(feat) \ diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h index 3fd8b40..989f9e6 100644 --- a/arch/arm/plat-omap/include/plat/cpu.h +++ b/arch/arm/plat-omap/include/plat/cpu.h @@ -5,7 +5,7 @@ * * Copyright (C) 2004, 2008 Nokia Corporation * - * Copyright (C) 2009 Texas Instruments. + * Copyright (C) 2009-11 Texas Instruments. * * Written by Tony Lindgren * @@ -390,8 +390,10 @@ IS_OMAP_TYPE(3517, 0x3517) #define OMAP3517_REV(v) (OMAP35XX_CLASS | (0x3517 << 16) | (v << 8)) #define OMAP443X_CLASS 0x44300044 -#define OMAP4430_REV_ES1_0 OMAP443X_CLASS -#define OMAP4430_REV_ES2_0 0x44301044 +#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8)) +#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8)) +#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8)) +#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8)) /* * omap_chip bits @@ -419,11 +421,15 @@ IS_OMAP_TYPE(3517, 0x3517) #define CHIP_IS_OMAP3630ES1_1 (1 << 9) #define CHIP_IS_OMAP3630ES1_2 (1 << 10) #define CHIP_IS_OMAP4430ES2 (1 << 11) +#define CHIP_IS_OMAP4430ES2_1 (1 << 12) +#define CHIP_IS_OMAP4430ES2_2 (1 << 13) #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430) -#define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1 | \ - CHIP_IS_OMAP4430ES2) +#define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1 | \ + CHIP_IS_OMAP4430ES2 | \ + CHIP_IS_OMAP4430ES2_1 | \ + CHIP_IS_OMAP4430ES2_2) /* * "GE" here represents "greater than or equal to" in terms of ES