Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933702AbZGQAI6 (ORCPT ); Thu, 16 Jul 2009 20:08:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933685AbZGQAI4 (ORCPT ); Thu, 16 Jul 2009 20:08:56 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:39121 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933699AbZGQAFy (ORCPT ); Thu, 16 Jul 2009 20:05:54 -0400 From: Mike Frysinger To: linux-kernel@vger.kernel.org Cc: uclinux-dist-devel@blackfin.uclinux.org, Graf Yang Subject: [PATCH 10/21] Blackfin: update handling of anomaly 364 (wrong rev id in BF527-0.1) Date: Thu, 16 Jul 2009 20:05:35 -0400 Message-Id: <1247789146-18786-11-git-send-email-vapier@gentoo.org> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1247789146-18786-1-git-send-email-vapier@gentoo.org> References: <1247789146-18786-1-git-send-email-vapier@gentoo.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1586 Lines: 55 From: Graf Yang This anomaly only applies to the BF527-0.1, not the BF526-0.1, and not any other revision of the BF527. So make sure we don't go returning 0xffff for other cases. Signed-off-by: Graf Yang Signed-off-by: Mike Frysinger --- arch/blackfin/include/asm/processor.h | 21 +++++++-------------- 1 files changed, 7 insertions(+), 14 deletions(-) diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index d0be99b..a36ad8d 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -105,23 +105,16 @@ static inline uint32_t __pure bfin_revid(void) /* Always use CHIPID, to work around ANOMALY_05000234 */ uint32_t revid = (bfin_read_CHIPID() & CHIPID_VERSION) >> 28; -#ifdef CONFIG_BF52x - /* ANOMALY_05000357 +#ifdef _BOOTROM_GET_DXE_ADDRESS_TWI + /* + * ANOMALY_05000364 * Incorrect Revision Number in DSPID Register */ - if (revid == 0) - switch (bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI)) { - case 0x0010: - revid = 0; - break; - case 0x2796: - revid = 1; - break; - default: - revid = 0xFFFF; - break; - } + if (ANOMALY_05000364 && + bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI) == 0x2796) + revid = 1; #endif + return revid; } -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/