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SAMA5 PMECC: Ported Gallois tables

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This commit is contained in:
Gregory Nutt 2013-11-24 12:36:42 -06:00
parent 15f6e382cb
commit 2a103d9f4d
4 changed files with 3256 additions and 5 deletions
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8
arch/arm/src/sama5/Make.defs
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@ -228,16 +228,16 @@ endif
endif
ifeq ($(CONFIG_SAMA5_EBICS0_NAND),y)
CHIP_CSRCS += sam_nand.c sam_pmecc.c
CHIP_CSRCS += sam_nand.c sam_pmecc.c sam_gf512.c sam_gf1024.c
else
ifeq ($(CONFIG_SAMA5_EBICS1_NAND),y)
CHIP_CSRCS += sam_nand.c sam_pmecc.c
CHIP_CSRCS += sam_nand.c sam_pmecc.c sam_gf512.c sam_gf1024.c
else
ifeq ($(CONFIG_SAMA5_EBICS2_NAND),y)
CHIP_CSRCS += sam_nand.c sam_pmecc.c
CHIP_CSRCS += sam_nand.c sam_pmecc.c sam_gf512.c sam_gf1024.c
else
ifeq ($(CONFIG_SAMA5_EBICS3_NAND),y)
CHIP_CSRCS += sam_nand.c sam_pmecc.c
CHIP_CSRCS += sam_nand.c sam_pmecc.c sam_gf512.c sam_gf1024.c
endif
endif
endif

2119
arch/arm/src/sama5/sam_gf1024.c Normal file
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File diff suppressed because it is too large Load Diff

1095
arch/arm/src/sama5/sam_gf512.c Normal file
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File diff suppressed because it is too large Load Diff

39
arch/arm/src/sama5/sam_pmecc.h
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@ -49,6 +49,9 @@
#include <nuttx/config.h>
#include <nuttx/mtd/nand_config.h>
#include <stdint.h>
#include <stdbool.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
@ -80,7 +83,7 @@
# undef CONFIG_SAMA5_EBICS3_PMECC
#endif
/* Count the number of banks that confaigured for NAND with PMECC support
/* Count the number of banks that configured for NAND with PMECC support
* enabled.
*/
@ -155,6 +158,20 @@
# endif
#endif
/* Gallois Field Tables *****************************************************/
/* Indexes of tables in Gallois Field tables */
#define PMECC_GF_INDEX_OF 0
#define PMECC_GF_ALPHA_TO 1
/* Gallois Field tables for 512 and 1024 bytes sectors
* First raw is "index_of" and second one is "alpha_to"
*/
#define PMECC_GF_SIZEOF_512 0x2000
#define PMECC_GF_SIZEOF_1024 0x4000
/****************************************************************************
* Public Types
****************************************************************************/
@ -172,6 +189,26 @@ extern "C"
#define EXTERN extern
#endif
/* Gallois Field tables for 512 bytes sectors. First raw is "index_of" and
* second one is "alpha_to"
*/
#ifdef CONFIG_SAMA5_PMECC_GALOIS_TABLE512_ROMADDR
# ifndef CONFIG_SAMA5_PMECC_GALOIS_TABLE512_ROMADDR
# error CONFIG_SAMA5_PMECC_GALOIS_TABLE512_ROMADDR is not defined
# endif
# define pmecc_gf512 ((const int16_t *)CONFIG_SAMA5_PMECC_GALOIS_TABLE512_ROMADDR)
# ifndef CONFIG_SAMA5_PMECC_GALOIS_TABLE1024_ROMADDR
# error CONFIG_SAMA5_PMECC_GALOIS_TABLE1024_ROMADDR is not defined
# endif
# define pmecc_gf1024 ((const int16_t *)CONFIG_SAMA5_PMECC_GALOIS_TABLE1024_ROMADDR)
#else
EXTERN const uint16_t pmecc_gf512[2][PMECC_GF_SIZEOF_512];
EXTERN const uint16_t pmecc_gf1024[2][PMECC_GF_SIZEOF_1024];
#endif
/****************************************************************************
* Public Functions
****************************************************************************/