diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/bch-regs.h | 20 | ||||
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-lib.c | 4 | ||||
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 6 |
3 files changed, 28 insertions, 2 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/bch-regs.h b/drivers/mtd/nand/gpmi-nand/bch-regs.h index d67bca5174bc..588f5374047c 100644 --- a/drivers/mtd/nand/gpmi-nand/bch-regs.h +++ b/drivers/mtd/nand/gpmi-nand/bch-regs.h @@ -61,6 +61,16 @@ & BM_BCH_FLASH0LAYOUT0_ECC0) \ ) +#define MX6Q_BP_BCH_FLASH0LAYOUT0_GF_13_14 10 +#define MX6Q_BM_BCH_FLASH0LAYOUT0_GF_13_14 \ + (0x1 << MX6Q_BP_BCH_FLASH0LAYOUT0_GF_13_14) +#define BF_BCH_FLASH0LAYOUT0_GF(v, x) \ + ((GPMI_IS_MX6Q(x) && ((v) == 14)) \ + ? (((1) << MX6Q_BP_BCH_FLASH0LAYOUT0_GF_13_14) \ + & MX6Q_BM_BCH_FLASH0LAYOUT0_GF_13_14) \ + : 0 \ + ) + #define BP_BCH_FLASH0LAYOUT0_DATA0_SIZE 0 #define BM_BCH_FLASH0LAYOUT0_DATA0_SIZE \ (0xfff << BP_BCH_FLASH0LAYOUT0_DATA0_SIZE) @@ -93,6 +103,16 @@ & BM_BCH_FLASH0LAYOUT1_ECCN) \ ) +#define MX6Q_BP_BCH_FLASH0LAYOUT1_GF_13_14 10 +#define MX6Q_BM_BCH_FLASH0LAYOUT1_GF_13_14 \ + (0x1 << MX6Q_BP_BCH_FLASH0LAYOUT1_GF_13_14) +#define BF_BCH_FLASH0LAYOUT1_GF(v, x) \ + ((GPMI_IS_MX6Q(x) && ((v) == 14)) \ + ? (((1) << MX6Q_BP_BCH_FLASH0LAYOUT1_GF_13_14) \ + & MX6Q_BM_BCH_FLASH0LAYOUT1_GF_13_14) \ + : 0 \ + ) + #define BP_BCH_FLASH0LAYOUT1_DATAN_SIZE 0 #define BM_BCH_FLASH0LAYOUT1_DATAN_SIZE \ (0xfff << BP_BCH_FLASH0LAYOUT1_DATAN_SIZE) diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c index 01cc570e98aa..4f8857fa48a7 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c @@ -237,6 +237,7 @@ int bch_set_geometry(struct gpmi_nand_data *this) unsigned int metadata_size; unsigned int ecc_strength; unsigned int page_size; + unsigned int gf_len; int ret; if (common_nfc_set_geometry(this)) @@ -247,6 +248,7 @@ int bch_set_geometry(struct gpmi_nand_data *this) metadata_size = bch_geo->metadata_size; ecc_strength = bch_geo->ecc_strength >> 1; page_size = bch_geo->page_size; + gf_len = bch_geo->gf_len; ret = gpmi_enable_clk(this); if (ret) @@ -268,11 +270,13 @@ int bch_set_geometry(struct gpmi_nand_data *this) writel(BF_BCH_FLASH0LAYOUT0_NBLOCKS(block_count) | BF_BCH_FLASH0LAYOUT0_META_SIZE(metadata_size) | BF_BCH_FLASH0LAYOUT0_ECC0(ecc_strength, this) + | BF_BCH_FLASH0LAYOUT0_GF(gf_len, this) | BF_BCH_FLASH0LAYOUT0_DATA0_SIZE(block_size, this), r->bch_regs + HW_BCH_FLASH0LAYOUT0); writel(BF_BCH_FLASH0LAYOUT1_PAGE_SIZE(page_size) | BF_BCH_FLASH0LAYOUT1_ECCN(ecc_strength, this) + | BF_BCH_FLASH0LAYOUT1_GF(gf_len, this) | BF_BCH_FLASH0LAYOUT1_DATAN_SIZE(block_size, this), r->bch_regs + HW_BCH_FLASH0LAYOUT1); diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index 38c8b8bfc428..25216785f180 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -112,10 +112,12 @@ int common_nfc_set_geometry(struct gpmi_nand_data *this) /* The default for the length of Galois Field. */ geo->gf_len = 13; - /* The default for chunk size. There is no oobsize greater then 512. */ + /* The default for chunk size. */ geo->ecc_chunk_size = 512; - while (geo->ecc_chunk_size < mtd->oobsize) + while (geo->ecc_chunk_size < mtd->oobsize) { geo->ecc_chunk_size *= 2; /* keep C >= O */ + geo->gf_len = 14; + } geo->ecc_chunk_count = mtd->writesize / geo->ecc_chunk_size; |