mtd: gpmi: dump the BCH registers

Dump the BCH registers in gpmi_dump_info().

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

diff --git a/drivers/mtd/nand/gpmi-nand/bch-regs.h b/drivers/mtd/nand/gpmi-nand/bch-regs.h
index a092451..d67bca5 100644 (file)
--- 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 (file)
--- 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);