From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from magratgarlick.emantor.de ([2a01:4f8:c17:c88::2] helo=margratgarlick.emantor.de) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1haabJ-0002Ip-2s for barebox@lists.infradead.org; Tue, 11 Jun 2019 06:49:46 +0000 From: Rouven Czerwinski Date: Tue, 11 Jun 2019 08:49:05 +0200 Message-Id: <20190611064906.8938-1-r.czerwinski@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/3] nvmem: ocotp: Elongate OCOTP_CTRL_ADDR field To: barebox@lists.infradead.org Cc: Rouven Czerwinski Port of patch from linux-arm-kernel: | From: Bryan O'Donoghue | | nvmem: imx-ocotp: Elongate OCOTP_CTRL ADDR field to eight bits | | i.MX6 defines OCOTP_CTRLn:ADDR as seven bit address-field with a one bit | RSVD0 field, i.MX7 defines OCOTP_CTRLn:ADDR as a four bit address-field | with a four bit RSVD0 field. | | i.MX8 defines the OCOTP_CTRLn:ADDR bit-field as a full range eight bits. | | i.MX6 and i.MX7 should return zero for their respective RSVD0 bits and | ignore a write-back of zero where i.MX8 will make use of the full range. | | This patch expands the bit-field definition for all users to eight bits, | which is safe due to RSVD0 being a no-op for the i.MX6 and i.MX7. Signed-off-by: Rouven Czerwinski --- drivers/nvmem/ocotp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvmem/ocotp.c b/drivers/nvmem/ocotp.c index 5b8b925cb4..ab543b475f 100644 --- a/drivers/nvmem/ocotp.c +++ b/drivers/nvmem/ocotp.c @@ -51,7 +51,7 @@ #define OCOTP_CTRL_WR_UNLOCK_KEY 0x3E77 #define OCOTP_CTRL_WR_UNLOCK_MASK 0xFFFF0000 #define OCOTP_CTRL_ADDR 0 -#define OCOTP_CTRL_ADDR_MASK 0x0000007F +#define OCOTP_CTRL_ADDR_MASK 0x000000FF #define OCOTP_CTRL_BUSY (1 << 8) #define OCOTP_CTRL_ERROR (1 << 9) #define OCOTP_CTRL_RELOAD_SHADOWS (1 << 10) -- 2.22.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox