diff options
| -rw-r--r-- | src/ec/google/wilco/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/ec/google/wilco/commands.c | 6 | ||||
| -rw-r--r-- | src/ec/google/wilco/commands.h | 21 |
3 files changed, 29 insertions, 1 deletions
diff --git a/src/ec/google/wilco/Makefile.inc b/src/ec/google/wilco/Makefile.inc index 3a7790c097..f17869ecbc 100644 --- a/src/ec/google/wilco/Makefile.inc +++ b/src/ec/google/wilco/Makefile.inc @@ -1,6 +1,7 @@ ifeq ($(CONFIG_EC_GOOGLE_WILCO),y) -bootblock-y += bootblock.c +bootblock-y += bootblock.c commands.c mailbox.c +verstage-y += commands.c mailbox.c romstage-y += commands.c mailbox.c romstage.c boardid.c ramstage-y += chip.c commands.c mailbox.c boardid.c smm-y += commands.c mailbox.c smihandler.c boardid.c diff --git a/src/ec/google/wilco/commands.c b/src/ec/google/wilco/commands.c index d0d572d569..a97a28ecce 100644 --- a/src/ec/google/wilco/commands.c +++ b/src/ec/google/wilco/commands.c @@ -181,3 +181,9 @@ int wilco_ec_signed_fw(void) CONFIG_EC_BASE_ACPI_DATA); return !!ec_read(EC_RAM_SIGNED_FW); } + +int wilco_ec_err_code(enum ec_err_code err_code) +{ + return wilco_ec_mailbox(WILCO_EC_MSG_DEFAULT, KB_ERR_CODE, + &err_code, 1, NULL, 0); +} diff --git a/src/ec/google/wilco/commands.h b/src/ec/google/wilco/commands.h index 3077eee578..fafb7fd8ba 100644 --- a/src/ec/google/wilco/commands.h +++ b/src/ec/google/wilco/commands.h @@ -50,6 +50,8 @@ enum { KB_SLP_EN = 0x64, /* Inform the EC about BIOS boot progress */ KB_BIOS_PROGRESS = 0xc2, + /* Inform the EC that a fatal error occurred */ + KB_ERR_CODE = 0x7b, }; enum ec_ram_addr { @@ -86,6 +88,12 @@ enum ec_camera { CAMERA_OFF }; +enum ec_err_code { + DLED_MEMORY = 0x03, + DLED_PANEL = 0x10, + DLED_ROM = 0x19, +}; + /** * wilco_ec_radio_control() - Control wireless radios. * @ec_radio: Wireless radio type. @@ -310,4 +318,17 @@ enum ec_acpi_wake_events { */ int wilco_ec_signed_fw(void); +/** + * wilco_ec_err_code + * + * Send an error code to the EC to indicate a failed boot. The EC flashes the + * platform LED amber and white to provide user indication of the failure type. + * + * @err_code: Error code to send to the EC + * + * Returns 0 if EC command was successful + * Returns -1 if EC command failed + */ +int wilco_ec_err_code(enum ec_err_code err_code); + #endif /* EC_GOOGLE_WILCO_COMMANDS_H */ |