From mboxrd@z Thu Jan 1 00:00:00 1970 From: Omar Ramirez Luna Subject: [PATCH 7/7] DSPBRIDGE: Reset MMU and DSP on board stop Date: Wed, 17 Jun 2009 12:36:12 -0500 Message-ID: <1245260172-23008-8-git-send-email-omar.ramirez@ti.com> References: <1245260172-23008-1-git-send-email-omar.ramirez@ti.com> <1245260172-23008-2-git-send-email-omar.ramirez@ti.com> <1245260172-23008-3-git-send-email-omar.ramirez@ti.com> <1245260172-23008-4-git-send-email-omar.ramirez@ti.com> <1245260172-23008-5-git-send-email-omar.ramirez@ti.com> <1245260172-23008-6-git-send-email-omar.ramirez@ti.com> <1245260172-23008-7-git-send-email-omar.ramirez@ti.com> Return-path: Received: from arroyo.ext.ti.com ([192.94.94.40]:58458 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758949AbZFQRbh (ORCPT ); Wed, 17 Jun 2009 13:31:37 -0400 In-Reply-To: <1245260172-23008-7-git-send-email-omar.ramirez@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Ameya Palande , Hiroshi Doyu Cc: linux-omap , Fernando Guzman Lugo , Omar Ramirez Luna From: Fernando Guzman Lugo This patch resets MMU and DSP by writintg into those registers, this will solve MMU faults occured when the processor is stopped. Signed-off-by: Omar Ramirez Luna Signed-off-by: Fernando Guzman --- drivers/dsp/bridge/wmd/tiomap3430.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/dsp/bridge/wmd/tiomap3430.c b/drivers/dsp/bridge/wmd/tiomap3430.c index 4919314..b317015 100644 --- a/drivers/dsp/bridge/wmd/tiomap3430.c +++ b/drivers/dsp/bridge/wmd/tiomap3430.c @@ -849,6 +849,9 @@ static DSP_STATUS WMD_BRD_Stop(struct WMD_DEV_CONTEXT *hDevContext) (pPtAttrs->L2NumPages * sizeof(struct PageInfo))); } DBG_Trace(DBG_LEVEL6, "WMD_BRD_Stop - End ****** \n"); + HW_RST_Reset(resources.dwPrmBase, HW_RST1_IVA2); + HW_RST_Reset(resources.dwPrmBase, HW_RST2_IVA2); + return status; } @@ -911,7 +914,7 @@ static DSP_STATUS WMD_BRD_Delete(struct WMD_DEV_CONTEXT *hDevContext) memset((u8 *)pPtAttrs->pgInfo, 0x00, (pPtAttrs->L2NumPages * sizeof(struct PageInfo))); } - DBG_Trace(DBG_LEVEL6, "WMD_BRD_Stop - End ****** \n"); + DBG_Trace(DBG_LEVEL6, "WMD_BRD_Delete - End ****** \n"); HW_RST_Reset(resources.dwPrmBase, HW_RST1_IVA2); HW_RST_Reset(resources.dwPrmBase, HW_RST2_IVA2); -- 1.6.2.4