diff options
Diffstat (limited to 'board/cr50/board.c')
| -rw-r--r-- | board/cr50/board.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/board/cr50/board.c b/board/cr50/board.c index e3d46c9e8f..2463534167 100644 --- a/board/cr50/board.c +++ b/board/cr50/board.c @@ -181,6 +181,11 @@ int board_tpm_mode_change_allowed(void) return !!(board_properties & BOARD_ALLOW_CHANGE_TPM_MODE); } +int board_has_ec_cr50_comm_support(void) +{ + return !!(board_properties & BOARD_EC_CR50_COMM_SUPPORT); +} + /* Get header address of the backup RW copy. */ const struct SignedHeader *get_other_rw_addr(void) { @@ -294,7 +299,18 @@ static struct board_cfg board_cfg_table[] = { BOARD_CLOSED_SOURCE_SET1 | BOARD_NO_INA_SUPPORT | BOARD_ALLOW_CHANGE_TPM_MODE, }, - + /* Dedede/Puff/Volteer: DIOA9 = 5K PU, DIOA1 = 1M PU */ + { + .strap_cfg = 0x0E, + .board_properties = BOARD_SLAVE_CONFIG_SPI | + BOARD_USE_PLT_RESET | BOARD_EC_CR50_COMM_SUPPORT, + }, + /* Zork: DIOA12 = 5K PU, DIOA6 = 1M PU */ + { + .strap_cfg = 0xE0, + .board_properties = BOARD_SLAVE_CONFIG_I2C | + BOARD_USE_PLT_RESET | BOARD_EC_CR50_COMM_SUPPORT, + }, }; void post_reboot_request(void) @@ -644,6 +660,26 @@ static void configure_board_specific_gpios(void) if (board_uses_closed_source_set1()) closed_source_set1_configure_gpios(); + + /* + * Connect GPIO_AP_FLASH_SELECT, which is GPIO(0, 2) to DIOB4 if EC-CR50 + * commnuication is supported. Otherwise, connect it to DIOB3. + */ + if (board_has_ec_cr50_comm_support()) { + /* Connect GPIO_AP_FLASH_SELECT to DIOB4. */ + GWRITE(PINMUX, DIOB4_SEL, GC_PINMUX_GPIO0_GPIO2_SEL); + GWRITE(PINMUX, GPIO0_GPIO2_SEL, GC_PINMUX_DIOB4_SEL); + + /* Enable the input */ + GWRITE_FIELD(PINMUX, DIOB4_CTL, IE, 1); + } else { + /* Connect GPIO_AP_FLASH_SELECT to DIOB3. */ + GWRITE(PINMUX, DIOB3_SEL, GC_PINMUX_GPIO0_GPIO2_SEL); + GWRITE(PINMUX, GPIO0_GPIO2_SEL, GC_PINMUX_DIOB3_SEL); + + /* Enable the input */ + GWRITE_FIELD(PINMUX, DIOB3_CTL, IE, 1); + } } static uint8_t mismatched_board_id; |