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-rw-r--r--src/soc/amd/cezanne/Kconfig8
-rw-r--r--src/soc/amd/cezanne/early_fch.c4
2 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/amd/cezanne/Kconfig b/src/soc/amd/cezanne/Kconfig
index 9a108c95fb..3d672d8de7 100644
--- a/src/soc/amd/cezanne/Kconfig
+++ b/src/soc/amd/cezanne/Kconfig
@@ -204,6 +204,14 @@ config DISABLE_SPI_FLASH_ROM_SHARING
removes arbitration with board and assumes the chipset controls
the SPI flash bus entirely.
+config DISABLE_KEYBOARD_RESET_PIN
+ bool
+ help
+ Instruct the SoC to not use the state of GPIO_129 as keyboard reset
+ signal. When this pin is used as GPIO and the keyboard reset
+ functionality isn't disabled, configuring it as an output and driving
+ it as 0 will cause a reset.
+
menu "PSP Configuration Options"
config AMD_FWM_POSITION_INDEX
diff --git a/src/soc/amd/cezanne/early_fch.c b/src/soc/amd/cezanne/early_fch.c
index 4e7d84d389..0c72863ba3 100644
--- a/src/soc/amd/cezanne/early_fch.c
+++ b/src/soc/amd/cezanne/early_fch.c
@@ -52,6 +52,10 @@ void fch_pre_init(void)
if (CONFIG(AMD_SOC_CONSOLE_UART))
set_uart_config(CONFIG_UART_FOR_CONSOLE);
+
+ /* disable the keyboard reset function before mainboard GPIO setup */
+ if (CONFIG(DISABLE_KEYBOARD_RESET_PIN))
+ fch_disable_kb_rst();
}
/* After console init */