diff options
| -rw-r--r-- | src/mainboard/google/kahlee/bootblock/bootblock.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/src/mainboard/google/kahlee/bootblock/bootblock.c b/src/mainboard/google/kahlee/bootblock/bootblock.c index 7e6524d1d5..8531fc0de2 100644 --- a/src/mainboard/google/kahlee/bootblock/bootblock.c +++ b/src/mainboard/google/kahlee/bootblock/bootblock.c @@ -34,19 +34,31 @@ void bootblock_mainboard_early_init(void) void bootblock_mainboard_init(void) { - /* - * W25Q128FW Setup - * Normal Read 40MHz - * Fast Read 104MHz - * Dual Read IO (1-2-2) - */ - sb_read_mode(SPI_READ_MODE_DUAL122); + if (IS_ENABLED(CONFIG_EM100)) { + /* + * We should be able to rely on defaults, but it seems safer + * to explicitly set up these registers. + */ + sb_read_mode(SPI_READ_MODE_NOM); + sb_set_spi100(SPI_SPEED_16M, /* Normal */ + SPI_SPEED_16M, /* Fast */ + SPI_SPEED_16M, /* AltIO */ + SPI_SPEED_66M); /* TPM */ + } else { + /* + * W25Q128FW Setup + * Normal Read 40MHz + * Fast Read 104MHz + * Dual Read IO (1-2-2) + */ + sb_read_mode(SPI_READ_MODE_DUAL122); - /* Set SPI speeds before verstage. Needed for TPM */ - sb_set_spi100(SPI_SPEED_33M, /* Normal */ - SPI_SPEED_66M, /* Fast */ - SPI_SPEED_66M, /* AltIO */ - SPI_SPEED_66M); /* TPM */ + /* Set SPI speeds before verstage. Needed for TPM */ + sb_set_spi100(SPI_SPEED_33M, /* Normal */ + SPI_SPEED_66M, /* Fast */ + SPI_SPEED_66M, /* AltIO */ + SPI_SPEED_66M); /* TPM */ + } /* Setup TPM decode before verstage */ sb_tpm_decode_spi(); |