Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752269AbdF2HSl (ORCPT ); Thu, 29 Jun 2017 03:18:41 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:53704 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751983AbdF2HRp (ORCPT ); Thu, 29 Jun 2017 03:17:45 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 2752B60DD7 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=absahu@codeaurora.org From: Abhishek Sahu To: dwmw2@infradead.org, computersforpeace@gmail.com, boris.brezillon@free-electrons.com, marek.vasut@gmail.com, richard@nod.at, cyrille.pitchen@wedev4u.fr, robh+dt@kernel.org, mark.rutland@arm.com Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, andy.gross@linaro.org, architt@codeaurora.org, sricharan@codeaurora.org, Abhishek Sahu Subject: [PATCH 14/14] qcom: mtd: nand: programmed NAND_DEV_CMD_VLD register Date: Thu, 29 Jun 2017 12:46:06 +0530 Message-Id: <1498720566-20782-15-git-send-email-absahu@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1498720566-20782-1-git-send-email-absahu@codeaurora.org> References: <1498720566-20782-1-git-send-email-absahu@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1191 Lines: 33 The current driver is failing without complete bootchain in BAM mode since NAND_DEV_CMD_VLD value is not valid. So programmed the required value in NAND_DEV_CMD_VLD register. Signed-off-by: Abhishek Sahu --- drivers/mtd/nand/qcom_nandc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c index 641e85d..260167b 100644 --- a/drivers/mtd/nand/qcom_nandc.c +++ b/drivers/mtd/nand/qcom_nandc.c @@ -121,6 +121,9 @@ /* NAND_CTRL bits */ #define BAM_MODE_EN BIT(0) + +/* Value for NAND_DEV_CMD_VLD */ +#define NAND_DEV_CMD_VLD_VAL (0x1d) /* * the NAND controller performs reads/writes with ECC in 516 byte chunks. * the driver calls the chunks 'step' or 'codeword' interchangeably @@ -2676,6 +2679,7 @@ static int qcom_nandc_setup(struct qcom_nand_controller *nandc) /* kill onenand */ nandc_write(nandc, SFLASHC_BURST_CFG, 0); + nandc_write(nandc, NAND_DEV_CMD_VLD, NAND_DEV_CMD_VLD_VAL); /* enable ADM or BAM DMA */ if (!nandc->dma_bam_enabled) { -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation