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-rw-r--r--include/linux/mtd/nand.h19
-rw-r--r--include/linux/mtd/omap_elm.h11
-rw-r--r--include/linux/mtd/omap_gpmc.h11
3 files changed, 36 insertions, 5 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 0546565593..991bd8e63e 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -719,4 +719,23 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip)
}
#endif
+/**
+ * Check if the opcode's address should be sent only on the lower 8 bits
+ * @command: opcode to check
+ */
+static inline int nand_opcode_8bits(unsigned int command)
+{
+ switch (command) {
+ case NAND_CMD_READID:
+ case NAND_CMD_PARAM:
+ case NAND_CMD_GET_FEATURES:
+ case NAND_CMD_SET_FEATURES:
+ return 1;
+ default:
+ break;
+ }
+ return 0;
+}
+
+
#endif /* __LINUX_MTD_NAND_H */
diff --git a/include/linux/mtd/omap_elm.h b/include/linux/mtd/omap_elm.h
index 45454eaf0f..b8096b02e3 100644
--- a/include/linux/mtd/omap_elm.h
+++ b/include/linux/mtd/omap_elm.h
@@ -24,6 +24,9 @@
#define ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK (0x100)
#define ELM_LOCATION_STATUS_ECC_NB_ERRORS_MASK (0x1F)
+#define ELM_MAX_CHANNELS 8
+#define ELM_MAX_ERROR_COUNT 16
+
#ifndef __ASSEMBLY__
enum bch_level {
@@ -43,7 +46,7 @@ struct syndrome {
struct location {
u32 location_status; /* 0x800 */
u8 res1[124]; /* 0x804 */
- u32 error_location_x[16]; /* 0x880.... */
+ u32 error_location_x[ELM_MAX_ERROR_COUNT]; /* 0x880, 0x980, .. */
u8 res2[64]; /* 0x8c0 */
};
@@ -63,12 +66,12 @@ struct elm {
u8 res2[92]; /* 0x024 */
u32 page_ctrl; /* 0x080 */
u8 res3[892]; /* 0x084 */
- struct syndrome syndrome_fragments[8]; /* 0x400 */
+ struct syndrome syndrome_fragments[ELM_MAX_CHANNELS]; /* 0x400,0x420 */
u8 res4[512]; /* 0x600 */
- struct location error_location[8]; /* 0x800 */
+ struct location error_location[ELM_MAX_CHANNELS]; /* 0x800,0x900 ... */
};
-int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count,
+int elm_check_error(u8 *syndrome, enum bch_level bch_type, u32 *error_count,
u32 *error_locations);
int elm_config(enum bch_level level);
void elm_reset(void);
diff --git a/include/linux/mtd/omap_gpmc.h b/include/linux/mtd/omap_gpmc.h
index 22f6573969..9a8658257f 100644
--- a/include/linux/mtd/omap_gpmc.h
+++ b/include/linux/mtd/omap_gpmc.h
@@ -11,6 +11,7 @@
#define GPMC_BUF_EMPTY 0
#define GPMC_BUF_FULL 1
+#define GPMC_MAX_SECTORS 8
enum omap_ecc {
/* 1-bit ECC calculation by Software, Error detection by Software */
@@ -26,6 +27,8 @@ 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_cs {
@@ -46,6 +49,10 @@ struct bch_res_0_3 {
u32 bch_result_x[4];
};
+struct bch_res_4_6 {
+ u32 bch_result_x[3];
+};
+
struct gpmc {
u8 res1[0x10];
u32 sysconfig; /* 0x10 */
@@ -75,7 +82,9 @@ struct gpmc {
u8 res7[12]; /* 0x224 */
u32 testmomde_ctrl; /* 0x230 */
u8 res8[12]; /* 0x234 */
- struct bch_res_0_3 bch_result_0_3[2]; /* 0x240 */
+ struct bch_res_0_3 bch_result_0_3[GPMC_MAX_SECTORS]; /* 0x240,0x250, */
+ u8 res9[16 * 4]; /* 0x2C0 - 0x2FF */
+ struct bch_res_4_6 bch_result_4_6[GPMC_MAX_SECTORS]; /* 0x300,0x310, */
};
/* Used for board specific gpmc initialization */
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