From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0CCA20B05 for ; Wed, 4 Oct 2023 18:31:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ys8FfJr0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30ED0C433C8; Wed, 4 Oct 2023 18:31:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1696444309; bh=s/jse598CLQt/PmNG9JXMDDRWQtanooR5fXBjQBNTo8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ys8FfJr0rGYdVrbB7QtFhJJmd0g8v4JMqf3CIPE3A/HN/ZUAf+ekTpmgUmReYW9A/ nJ+jyPJNc3JVnjqYkpsJ6vGkT3s3wNedTFFtpUho0yGDiHAqdq0eGLAArkvhdiXYJ2 1cElz0oyVQGmZZN4FGAvKn5Ira4vRTz7ghXDeWWw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Han Xu , Mark Brown , Sasha Levin Subject: [PATCH 6.5 204/321] spi: nxp-fspi: reset the FLSHxCR1 registers Date: Wed, 4 Oct 2023 19:55:49 +0200 Message-ID: <20231004175238.695457187@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231004175229.211487444@linuxfoundation.org> References: <20231004175229.211487444@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Han Xu [ Upstream commit 18495676f7886e105133f1dc06c1d5e8d5436f32 ] Reset the FLSHxCR1 registers to default value. ROM may set the register value and it affects the SPI NAND normal functions. Signed-off-by: Han Xu Link: https://lore.kernel.org/r/20230906183254.235847-1-han.xu@nxp.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-nxp-fspi.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c index 5440176557875..8e44de084bbe3 100644 --- a/drivers/spi/spi-nxp-fspi.c +++ b/drivers/spi/spi-nxp-fspi.c @@ -1085,6 +1085,13 @@ static int nxp_fspi_default_setup(struct nxp_fspi *f) fspi_writel(f, FSPI_AHBCR_PREF_EN | FSPI_AHBCR_RDADDROPT, base + FSPI_AHBCR); + /* Reset the FLSHxCR1 registers. */ + reg = FSPI_FLSHXCR1_TCSH(0x3) | FSPI_FLSHXCR1_TCSS(0x3); + fspi_writel(f, reg, base + FSPI_FLSHA1CR1); + fspi_writel(f, reg, base + FSPI_FLSHA2CR1); + fspi_writel(f, reg, base + FSPI_FLSHB1CR1); + fspi_writel(f, reg, base + FSPI_FLSHB2CR1); + /* AHB Read - Set lut sequence ID for all CS. */ fspi_writel(f, SEQID_LUT, base + FSPI_FLSHA1CR2); fspi_writel(f, SEQID_LUT, base + FSPI_FLSHA2CR2); -- 2.40.1