Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751571AbaBEMmH (ORCPT ); Wed, 5 Feb 2014 07:42:07 -0500 Received: from ring0.de ([5.45.105.125]:57240 "EHLO smtp.ring0.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751476AbaBEMmD (ORCPT ); Wed, 5 Feb 2014 07:42:03 -0500 X-Greylist: delayed 524 seconds by postgrey-1.27 at vger.kernel.org; Wed, 05 Feb 2014 07:42:03 EST X-Spam-Report: * -0.0 NO_RELAYS Informational: message was not relayed via SMTP * -1.9 BAYES_00 BODY: Spamwahrscheinlichkeit nach Bayes-Test: 0-1% * [score: 0.0000] * -0.0 NO_RECEIVED Informational: message has no Received headers From: Sebastian Reichel To: Sebastian Reichel , Tony Lindgren Cc: linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Pali=20Roh=C3=A1r?= Subject: [PATCH] ARM: OMAP2+: Add support for thumb mode on DT booted N900 Date: Wed, 5 Feb 2014 13:33:02 +0100 Message-Id: <1391603582-11371-1-git-send-email-sre@debian.org> X-Mailer: git-send-email 1.8.5.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Without enabling the workaround for ARM errata 430973 thumb compiled userland crashes randomly on the Nokia N900. Signed-off-by: Sebastian Reichel --- Hi Tony, I think this patch should be added into some fix branch for 3.14-rcX. -- Sebastian --- arch/arm/mach-omap2/pdata-quirks.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 3d5b24d..7929df3 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -22,6 +22,8 @@ #include "common-board-devices.h" #include "dss-common.h" #include "control.h" +#include "omap-secure.h" +#include "soc.h" struct pdata_init { const char *compatible; @@ -169,6 +171,21 @@ static void __init am3517_evm_legacy_init(void) omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET); omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */ } + +static void __init nokia_n900_legacy_init(void) +{ + hsmmc2_internal_input_clk(); + + if (omap_type() == OMAP2_DEVICE_TYPE_SEC) { + if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) { + pr_info("RX-51: Enabling ARM errata 430973 workaround\n"); + /* set IBE to 1 */ + rx51_secure_update_aux_cr(BIT(6), 0); + } else { + pr_warning("RX-51: Not enabling ARM errata 430973 workaround\n"); + } + } +} #endif /* CONFIG_ARCH_OMAP3 */ #ifdef CONFIG_ARCH_OMAP4 @@ -259,7 +276,7 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { static struct pdata_init pdata_quirks[] __initdata = { #ifdef CONFIG_ARCH_OMAP3 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, }, - { "nokia,omap3-n900", hsmmc2_internal_input_clk, }, + { "nokia,omap3-n900", nokia_n900_legacy_init, }, { "nokia,omap3-n9", hsmmc2_internal_input_clk, }, { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, { "isee,omap3-igep0020", omap3_igep0020_legacy_init, }, -- 1.8.5.3 -- 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/