diff options
Diffstat (limited to 'drivers/mtd/spi-nor/spansion.c')
-rw-r--r-- | drivers/mtd/spi-nor/spansion.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 7ac2ad1a8d57..7e7c68fc7776 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -212,6 +212,17 @@ static int cypress_nor_set_page_size(struct spi_nor *nor) return 0; } +static void cypress_nor_ecc_init(struct spi_nor *nor) +{ + /* + * Programming is supported only in 16-byte ECC data unit granularity. + * Byte-programming, bit-walking, or multiple program operations to the + * same ECC data unit without an erase are not allowed. + */ + nor->params->writesize = 16; + nor->flags |= SNOR_F_ECC; +} + static int s25hx_t_post_bfpt_fixup(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, @@ -249,13 +260,10 @@ static void s25hx_t_post_sfdp_fixup(struct spi_nor *nor) static void s25hx_t_late_init(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; - /* Fast Read 4B requires mode cycles */ - params->reads[SNOR_CMD_READ_FAST].num_mode_clocks = 8; + nor->params->reads[SNOR_CMD_READ_FAST].num_mode_clocks = 8; - /* The writesize should be ECC data unit size */ - params->writesize = 16; + cypress_nor_ecc_init(nor); } static struct spi_nor_fixups s25hx_t_fixups = { @@ -280,12 +288,6 @@ static int cypress_nor_octal_dtr_enable(struct spi_nor *nor, bool enable) cypress_nor_octal_dtr_dis(nor); } -static void s28hs512t_default_init(struct spi_nor *nor) -{ - nor->params->octal_dtr_enable = cypress_nor_octal_dtr_enable; - nor->params->writesize = 16; -} - static void s28hs512t_post_sfdp_fixup(struct spi_nor *nor) { /* @@ -321,10 +323,16 @@ static int s28hs512t_post_bfpt_fixup(struct spi_nor *nor, return cypress_nor_set_page_size(nor); } +static void s28hs512t_late_init(struct spi_nor *nor) +{ + nor->params->octal_dtr_enable = cypress_nor_octal_dtr_enable; + cypress_nor_ecc_init(nor); +} + static const struct spi_nor_fixups s28hs512t_fixups = { - .default_init = s28hs512t_default_init, .post_sfdp = s28hs512t_post_sfdp_fixup, .post_bfpt = s28hs512t_post_bfpt_fixup, + .late_init = s28hs512t_late_init, }; static int @@ -459,8 +467,7 @@ static const struct flash_info spansion_nor_parts[] = { { "cy15x104q", INFO6(0x042cc2, 0x7f7f7f, 512 * 1024, 1) FLAGS(SPI_NOR_NO_ERASE) }, { "s28hs512t", INFO(0x345b1a, 0, 256 * 1024, 256) - NO_SFDP_FLAGS(SECT_4K | SPI_NOR_OCTAL_DTR_READ | - SPI_NOR_OCTAL_DTR_PP) + PARSE_SFDP .fixups = &s28hs512t_fixups, }, }; |