diff options
| -rw-r--r-- | common/spi_flash_reg.c | 46 | ||||
| -rw-r--r-- | include/config.h | 3 |
2 files changed, 49 insertions, 0 deletions
diff --git a/common/spi_flash_reg.c b/common/spi_flash_reg.c index 00041fb099..143103c075 100644 --- a/common/spi_flash_reg.c +++ b/common/spi_flash_reg.c @@ -49,6 +49,52 @@ static const struct protect_range spi_flash_protect_ranges[] = { { X, X, 0, { 0, 1, 1 }, 0x40000, 0x40000 }, /* Upper 1/2*/ }; +#elif defined(CONFIG_SPI_FLASH_W25Q40) +/* Verified for W25Q40BV and W25Q40EW */ +static const struct protect_range spi_flash_protect_ranges[] = { + /* CMP = 0 */ + { 0, X, X, { 0, 0, 0 }, 0, 0 }, /* No protection */ + { 0, 0, 0, { 0, 0, 1 }, 0x70000, 0x7ffff }, /* Upper 1/8 */ + { 0, 0, 0, { 0, 1, 0 }, 0x60000, 0x7ffff }, /* Upper 1/4 */ + { 0, 0, 0, { 0, 1, 1 }, 0x40000, 0x7ffff }, /* Upper 1/2 */ + { 0, 0, 1, { 0, 0, 1 }, 0, 0x0ffff }, /* Lower 1/8 */ + { 0, 0, 1, { 0, 1, 0 }, 0, 0x1ffff }, /* Lower 1/4 */ + { 0, 0, 1, { 0, 1, 1 }, 0, 0x3ffff }, /* Lower 1/2 */ + { 0, 0, X, { 1, X, X }, 0, 0x7ffff }, /* All */ + { 0, 1, 0, { 0, 0, 1 }, 0x7f000, 0x7ffff }, /* Upper 1/128 */ + { 0, 1, 0, { 0, 1, 0 }, 0x7e000, 0x7ffff }, /* Upper 1/64 */ + { 0, 1, 0, { 0, 1, 1 }, 0x7c000, 0x7ffff }, /* Upper 1/32 */ + { 0, 1, 0, { 1, 0, X }, 0x78000, 0x7ffff }, /* Upper 1/16 */ + { 0, 1, 0, { 1, 1, 0 }, 0x78000, 0x7ffff }, /* Upper 1/16 */ + { 0, 1, 1, { 0, 0, 1 }, 0, 0x00fff }, /* Lower 1/128 */ + { 0, 1, 1, { 0, 1, 0 }, 0, 0x01fff }, /* Lower 1/64 */ + { 0, 1, 1, { 0, 1, 1 }, 0, 0x03fff }, /* Lower 1/32 */ + { 0, 1, 1, { 1, 0, X }, 0, 0x07fff }, /* Lower 1/16 */ + { 0, 1, 1, { 1, 1, 0 }, 0, 0x07fff }, /* Lower 1/16 */ + { 0, 1, X, { 1, 1, 1 }, 0, 0x7ffff }, /* All */ + /* CMP = 1 */ + { 1, X, X, { 0, 0, 0 }, 0, 0x7ffff }, /* All */ + { 1, 0, 0, { 0, 0, 1 }, 0, 0x6ffff }, /* Lower 7/8 */ + { 1, 0, 0, { 0, 1, 0 }, 0, 0x5ffff }, /* Lower 3/4 */ + { 1, 0, 0, { 0, 1, 1 }, 0, 0x3ffff }, /* Lower 1/2 */ + { 1, 0, 1, { 0, 0, 1 }, 0x10000, 0x7ffff }, /* Upper 7/8 */ + { 1, 0, 1, { 0, 1, 0 }, 0x20000, 0x7ffff }, /* Upper 3/4 */ + { 1, 0, 1, { 0, 1, 1 }, 0x40000, 0x7ffff }, /* Upper 1/2 */ + { 1, 0, X, { 1, X, X }, 0, 0 }, /* None (W25Q40EW only) */ + { 1, 1, 0, { 0, 0, 1 }, 0, 0x7efff }, /* Lower 127/128 */ + { 1, 1, 0, { 0, 1, 0 }, 0, 0x7dfff }, /* Lower 63/64 */ + { 1, 1, 0, { 0, 1, 1 }, 0, 0x7bfff }, /* Lower 31/32 */ + { 1, 1, 0, { 1, 0, X }, 0, 0x77fff }, /* Lower 15/16 */ + { 1, 1, 0, { 1, 1, 0 }, 0, 0x77fff }, /* Lower 15/16 */ + { 1, 1, 1, { 0, 0, 1 }, 0x01000, 0x7ffff }, /* Upper 127/128 */ + { 1, 1, 1, { 0, 1, 0 }, 0x02000, 0x7ffff }, /* Upper 63/64 */ + { 1, 1, 1, { 0, 1, 1 }, 0x04000, 0x7ffff }, /* Upper 31/32 */ + { 1, 1, 1, { 1, 0, X }, 0x08000, 0x7ffff }, /* Upper 15/16 */ + { 1, 1, 1, { 1, 1, 0 }, 0x08000, 0x7ffff }, /* Upper 15/16 */ + { 1, 1, X, { 1, 1, 1 }, 0, 0x7ffff }, /* All */ + +}; + #elif defined(CONFIG_SPI_FLASH_W25Q64) static const struct protect_range spi_flash_protect_ranges[] = { { 0, X, X, { 0, 0, 0 }, 0, 0 }, /* No protection */ diff --git a/include/config.h b/include/config.h index 5b0cc0ca71..c55a234769 100644 --- a/include/config.h +++ b/include/config.h @@ -1581,6 +1581,9 @@ /* Define the SPI port to use to access the flash */ #undef CONFIG_SPI_FLASH_PORT +/* Support W25Q40 SPI flash */ +#undef CONFIG_SPI_FLASH_W25Q40 + /* Support W25Q64 SPI flash */ #undef CONFIG_SPI_FLASH_W25Q64 |