Patchwork mtd: gpmi: dump the BCH registers

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Submitter Huang Shijie
Date Jan. 14, 2013, 7:19 a.m.
Message ID <1358147969-31878-1-git-send-email-b32955@freescale.com>
Download mbox | patch
Permalink /patch/211728/
State Accepted
Commit f722689346afc1a0ed3fec8372c1762b6edc0c72
Headers show

Comments

Huang Shijie - Jan. 14, 2013, 7:19 a.m.
Dump the BCH registers in gpmi_dump_info().

Signed-off-by: Huang Shijie <b32955@freescale.com>
---
 drivers/mtd/nand/gpmi-nand/bch-regs.h |    2 ++
 drivers/mtd/nand/gpmi-nand/gpmi-lib.c |    5 +++++
 2 files changed, 7 insertions(+), 0 deletions(-)
Artem Bityutskiy - Jan. 17, 2013, 2:35 p.m.
On Mon, 2013-01-14 at 15:19 +0800, Huang Shijie wrote:
> Dump the BCH registers in gpmi_dump_info().
> 
> Signed-off-by: Huang Shijie <b32955@freescale.com>
> ---
>  drivers/mtd/nand/gpmi-nand/bch-regs.h |    2 ++
>  drivers/mtd/nand/gpmi-nand/gpmi-lib.c |    5 +++++
>  2 files changed, 7 insertions(+), 0 deletions(-)

Pushed to l2-mtd.git, thanks!

Patch

diff --git a/drivers/mtd/nand/gpmi-nand/bch-regs.h b/drivers/mtd/nand/gpmi-nand/bch-regs.h
index a092451..d67bca5 100644
--- a/drivers/mtd/nand/gpmi-nand/bch-regs.h
+++ b/drivers/mtd/nand/gpmi-nand/bch-regs.h
@@ -103,4 +103,6 @@ 
 		? (((v) >> 2) & MX6Q_BM_BCH_FLASH0LAYOUT1_DATAN_SIZE)	\
 		: ((v) & BM_BCH_FLASH0LAYOUT1_DATAN_SIZE)		\
 	)
+
+#define HW_BCH_VERSION				0x00000160
 #endif
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
index d84699c..01cc570 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
@@ -208,6 +208,11 @@  void gpmi_dump_info(struct gpmi_nand_data *this)
 	}
 
 	/* start to print out the BCH info */
+	pr_err("Show BCH registers :\n");
+	for (i = 0; i <= HW_BCH_VERSION / 0x10 + 1; i++) {
+		reg = readl(r->bch_regs + i * 0x10);
+		pr_err("offset 0x%.3x : 0x%.8x\n", i * 0x10, reg);
+	}
 	pr_err("BCH Geometry :\n");
 	pr_err("GF length              : %u\n", geo->gf_len);
 	pr_err("ECC Strength           : %u\n", geo->ecc_strength);