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From: "Álvaro Fernández Rojas" <noltari@gmail.com>
To: computersforpeace@gmail.com, kdasu.kdev@gmail.com,
	miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
	sumit.semwal@linaro.org, linux-mtd@lists.infradead.org,
	bcm-kernel-feedback-list@broadcom.com,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org
Cc: "Álvaro Fernández Rojas" <noltari@gmail.com>
Subject: [PATCH 2/2] nand: brcmnand: fix BBI in hamming oob layout
Date: Mon,  4 May 2020 11:30:34 +0200	[thread overview]
Message-ID: <20200504093034.2739968-2-noltari@gmail.com> (raw)
In-Reply-To: <20200504093034.2739968-1-noltari@gmail.com>

Small Page NAND uses byte 6 for BBI and Large Page NAND uses first 2 bytes.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 1bba309c7684..59c3241f4ea5 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1109,10 +1109,18 @@ static int brcmnand_hamming_ooblayout_free(struct mtd_info *mtd, int section,
 	if (section < sectors)
 		next += 6;
 
-	if (section)
+	if (section) {
 		oobregion->offset = ((section - 1) * sas) + 9;
-	else
-		oobregion->offset = 1; /* BBI */
+	} else {
+		if (cfg->page_size == 512) {
+			/* small page uses byte 6 for BBI */
+			oobregion->offset = 0;
+			next--;
+		} else {
+			/* large page uses first 2 bytes for BBI */
+			oobregion->offset = 2;
+		}
+	}
 
 	oobregion->length = next - oobregion->offset;
 
-- 
2.26.2


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: "Álvaro Fernández Rojas" <noltari@gmail.com>
To: computersforpeace@gmail.com, kdasu.kdev@gmail.com,
	miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
	sumit.semwal@linaro.org, linux-mtd@lists.infradead.org,
	bcm-kernel-feedback-list@broadcom.com,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org
Cc: "Álvaro Fernández Rojas" <noltari@gmail.com>
Subject: [PATCH 2/2] nand: brcmnand: fix BBI in hamming oob layout
Date: Mon,  4 May 2020 11:30:34 +0200	[thread overview]
Message-ID: <20200504093034.2739968-2-noltari@gmail.com> (raw)
In-Reply-To: <20200504093034.2739968-1-noltari@gmail.com>

Small Page NAND uses byte 6 for BBI and Large Page NAND uses first 2 bytes.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 1bba309c7684..59c3241f4ea5 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1109,10 +1109,18 @@ static int brcmnand_hamming_ooblayout_free(struct mtd_info *mtd, int section,
 	if (section < sectors)
 		next += 6;
 
-	if (section)
+	if (section) {
 		oobregion->offset = ((section - 1) * sas) + 9;
-	else
-		oobregion->offset = 1; /* BBI */
+	} else {
+		if (cfg->page_size == 512) {
+			/* small page uses byte 6 for BBI */
+			oobregion->offset = 0;
+			next--;
+		} else {
+			/* large page uses first 2 bytes for BBI */
+			oobregion->offset = 2;
+		}
+	}
 
 	oobregion->length = next - oobregion->offset;
 
-- 
2.26.2

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

WARNING: multiple messages have this Message-ID (diff)
From: "Álvaro Fernández Rojas" <noltari@gmail.com>
To: computersforpeace@gmail.com, kdasu.kdev@gmail.com,
	miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
	sumit.semwal@linaro.org, linux-mtd@lists.infradead.org,
	bcm-kernel-feedback-list@broadcom.com,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org
Cc: "Álvaro Fernández Rojas" <noltari@gmail.com>
Subject: [PATCH 2/2] nand: brcmnand: fix BBI in hamming oob layout
Date: Mon,  4 May 2020 11:30:34 +0200	[thread overview]
Message-ID: <20200504093034.2739968-2-noltari@gmail.com> (raw)
In-Reply-To: <20200504093034.2739968-1-noltari@gmail.com>

Small Page NAND uses byte 6 for BBI and Large Page NAND uses first 2 bytes.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 1bba309c7684..59c3241f4ea5 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1109,10 +1109,18 @@ static int brcmnand_hamming_ooblayout_free(struct mtd_info *mtd, int section,
 	if (section < sectors)
 		next += 6;
 
-	if (section)
+	if (section) {
 		oobregion->offset = ((section - 1) * sas) + 9;
-	else
-		oobregion->offset = 1; /* BBI */
+	} else {
+		if (cfg->page_size == 512) {
+			/* small page uses byte 6 for BBI */
+			oobregion->offset = 0;
+			next--;
+		} else {
+			/* large page uses first 2 bytes for BBI */
+			oobregion->offset = 2;
+		}
+	}
 
 	oobregion->length = next - oobregion->offset;
 
-- 
2.26.2


  reply	other threads:[~2020-05-04  9:32 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-04  9:30 [PATCH 1/2] nand: brcmnand: improve hamming oob layout Álvaro Fernández Rojas
2020-05-04  9:30 ` Álvaro Fernández Rojas
2020-05-04  9:30 ` Álvaro Fernández Rojas
2020-05-04  9:30 ` Álvaro Fernández Rojas [this message]
2020-05-04  9:30   ` [PATCH 2/2] nand: brcmnand: fix BBI in " Álvaro Fernández Rojas
2020-05-04  9:30   ` Álvaro Fernández Rojas
2020-05-04 18:59 ` [PATCH v2 1/2] nand: brcmnand: improve " Álvaro Fernández Rojas
2020-05-04 18:59   ` Álvaro Fernández Rojas
2020-05-04 18:59   ` Álvaro Fernández Rojas
2020-05-04 18:59   ` [PATCH v2 2/2] nand: brcmnand: fix " Álvaro Fernández Rojas
2020-05-04 18:59     ` Álvaro Fernández Rojas
2020-05-04 18:59     ` Álvaro Fernández Rojas
2020-05-11 16:34   ` [PATCH v2 1/2] nand: brcmnand: improve " Miquel Raynal
2020-05-11 16:34     ` Miquel Raynal
2020-05-12  6:00   ` [PATCH v3 0/2] mtd: rawnand: " Álvaro Fernández Rojas
2020-05-12  6:00     ` Álvaro Fernández Rojas
2020-05-12  6:00     ` Álvaro Fernández Rojas
2020-05-12  6:00     ` [PATCH v3 1/2] mtd: rawnand: brcmnand: fix " Álvaro Fernández Rojas
2020-05-12  6:00       ` Álvaro Fernández Rojas
2020-05-12  6:00       ` Álvaro Fernández Rojas
2020-05-19 11:49       ` Sasha Levin
2020-05-12  6:00     ` [PATCH v3 2/2] mtd: rawnand: brcmnand: improve " Álvaro Fernández Rojas
2020-05-12  6:00       ` Álvaro Fernández Rojas
2020-05-12  6:00       ` Álvaro Fernández Rojas
2020-05-12  7:08       ` Miquel Raynal
2020-05-12  7:08         ` Miquel Raynal
2020-05-12  7:08         ` Miquel Raynal
2020-05-12  7:12         ` Álvaro Fernández Rojas
2020-05-12  7:12           ` Álvaro Fernández Rojas
2020-05-12  7:12           ` Álvaro Fernández Rojas
2020-05-12  7:19           ` Miquel Raynal
2020-05-12  7:19             ` Miquel Raynal
2020-05-12  7:19             ` Miquel Raynal
2020-05-12  7:26             ` Álvaro Fernández Rojas
2020-05-12  7:26               ` Álvaro Fernández Rojas
2020-05-12  7:26               ` Álvaro Fernández Rojas
2020-05-12  7:41               ` Miquel Raynal
2020-05-12  7:41                 ` Miquel Raynal
2020-05-12  7:41                 ` Miquel Raynal
2020-05-12  7:57     ` [PATCH v4 0/2] " Álvaro Fernández Rojas
2020-05-12  7:57       ` Álvaro Fernández Rojas
2020-05-12  7:57       ` Álvaro Fernández Rojas
2020-05-12  7:57       ` [PATCH v4 1/2] mtd: rawnand: brcmnand: fix " Álvaro Fernández Rojas
2020-05-12  7:57         ` Álvaro Fernández Rojas
2020-05-12  7:57         ` Álvaro Fernández Rojas
2020-05-19 11:49         ` Sasha Levin
2020-05-24 19:17         ` Miquel Raynal
2020-05-24 19:17           ` Miquel Raynal
2020-05-24 19:17           ` Miquel Raynal
2020-05-12  7:57       ` [PATCH v4 2/2] mtd: rawnand: brcmnand: improve " Álvaro Fernández Rojas
2020-05-12  7:57         ` Álvaro Fernández Rojas
2020-05-12  7:57         ` Álvaro Fernández Rojas
2020-05-24 19:17         ` Miquel Raynal
2020-05-24 19:17           ` Miquel Raynal
2020-05-24 19:17           ` Miquel Raynal

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