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mtd: nand: omap: add support for BCH16_ECC - GPMC driver updates

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This patch add support for BCH16_ECC in GPMC (controller) driver:
- extends configuration space to include BCH16 registers
- extends parsing of DT binding for selecting BCH16 ecc-scheme

Signed-off-by: Pekon Gupta <pekon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
pekon gupta 2014-05-19 13:24:39 +05:30 • committed by Brian Norris
parent 4007e2d175
commit 27c9fd6075
2 changed files with 20 additions and 0 deletions
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5
include/linux/platform_data/mtd-nand-omap2.h
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@ -31,6 +31,8 @@ enum omap_ecc {
OMAP_ECC_BCH8_CODE_HW_DETECTION_SW,
/* 8-bit ECC calculation by GPMC, Error detection by ELM */
OMAP_ECC_BCH8_CODE_HW,
/* 16-bit ECC calculation by GPMC, Error detection by ELM */
OMAP_ECC_BCH16_CODE_HW,
};
struct gpmc_nand_regs {
@ -50,6 +52,9 @@ struct gpmc_nand_regs {
void __iomem *gpmc_bch_result1[GPMC_BCH_NUM_REMAINDER];
void __iomem *gpmc_bch_result2[GPMC_BCH_NUM_REMAINDER];
void __iomem *gpmc_bch_result3[GPMC_BCH_NUM_REMAINDER];
void __iomem *gpmc_bch_result4[GPMC_BCH_NUM_REMAINDER];
void __iomem *gpmc_bch_result5[GPMC_BCH_NUM_REMAINDER];
void __iomem *gpmc_bch_result6[GPMC_BCH_NUM_REMAINDER];
};
struct omap_nand_platform_data {