diff options
Diffstat (limited to 'src/ec')
| -rw-r--r-- | src/ec/google/chromeec/ec_acpi.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/ec_acpi.c b/src/ec/google/chromeec/ec_acpi.c index fff395411c..bcecd8920b 100644 --- a/src/ec/google/chromeec/ec_acpi.c +++ b/src/ec/google/chromeec/ec_acpi.c @@ -7,6 +7,7 @@ #include <acpi/acpigen_usb.h> #include <console/console.h> #include <drivers/usb/acpi/chip.h> +#include <drivers/intel/usb4/retimer/retimer.h> #include <ec/google/common/dptf.h> #include "chip.h" @@ -235,3 +236,30 @@ void google_chromeec_fill_ssdt_generator(const struct device *dev) fill_ssdt_typec_device(dev); fill_ssdt_ps2_keyboard(dev); } + +const char *ec_retimer_fw_update_path(void) +{ + return "\\_SB_.PCI0.LPCB.EC0_.RFWU"; +} + +void ec_retimer_fw_update(void *arg) +{ + const char *RFWU = ec_retimer_fw_update_path(); + + /* + * Get information to set retimer info from Arg3[0] + * Local0 = DeRefOf (Arg3[0]) + */ + acpigen_get_package_op_element(ARG3_OP, 0, LOCAL0_OP); + + /* + * Write the EC RAM for Retimer Upgrade + * RFWU = LOCAL0 + */ + acpigen_write_store(); + acpigen_emit_byte(LOCAL0_OP); + acpigen_emit_namestring(RFWU); + + /* Return (Zero) */ + acpigen_write_return_integer(0); +} |