linux-kernel - [PATCH 09/10] MTD/GPMI : add a new field `gpmi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1326953767-24155-10-git-send-email-b32955@freescale.com>
Date:	Thu, 19 Jan 2012 14:16:06 +0800
From:	Huang Shijie <b32955@...escale.com>
To:	<vinod.koul@...el.com>
CC:	<shawn.guo@...aro.org>, <artem.bityutskiy@...el.com>,
	<shijie8@...il.com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-mtd@...ts.infradead.org>, <linux-mmc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <w.sang@...gutronix.de>,
	<LW@...O-electronics.de>, <alsa-devel@...a-project.org>,
	<b29396@...escale.com>, Huang Shijie <b32955@...escale.com>
Subject: [PATCH 09/10] MTD/GPMI : add a new field `gpmi_version`

add this field to store the GPMI verison.

Signed-off-by: Huang Shijie <b32955@...escale.com>
---
 drivers/mtd/nand/gpmi-nand/gpmi-lib.c  |    3 +++
 drivers/mtd/nand/gpmi-nand/gpmi-nand.h |    4 ++++
 drivers/mtd/nand/gpmi-nand/gpmi-regs.h |    2 ++
 3 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
index 7f68042..5b73ae5 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
@@ -133,6 +133,9 @@ int gpmi_init(struct gpmi_nand_data *this)
 	if (ret)
 		goto err_out;
 
+	/* Read out the GPMI version */
+	this->gpmi_version = readl(r->gpmi_regs + HW_GPMI_VERSION);
+
 	/* Choose NAND mode. */
 	writel(BM_GPMI_CTRL1_GPMI_MODE, r->gpmi_regs + HW_GPMI_CTRL1_CLR);
 
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
index 1c7fdbb..5c277e3 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
@@ -132,6 +132,10 @@ struct gpmi_nand_data {
 	/* Flash Hardware */
 	struct nand_timing	timing;
 
+	/* GPMI hardware version */
+#define GPMI_VERSION_0501	(0x05010000)
+	u32			gpmi_version;
+
 	/* BCH */
 	struct bch_geometry	bch_geometry;
 	struct completion	bch_done;
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-regs.h b/drivers/mtd/nand/gpmi-nand/gpmi-regs.h
index 8343124..f005b24 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-regs.h
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-regs.h
@@ -169,4 +169,6 @@
 #define HW_GPMI_DEBUG					0x000000c0
 #define MX23_BP_GPMI_DEBUG_READY0			28
 #define MX23_BM_GPMI_DEBUG_READY0	(1 << MX23_BP_GPMI_DEBUG_READY0)
+
+#define HW_GPMI_VERSION					0x000000d0
 #endif
-- 
1.7.0.4


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/