diff options
| -rw-r--r-- | src/soc/intel/apollolake/include/soc/lpc.h | 2 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/lpc_lib.c | 16 |
2 files changed, 18 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/include/soc/lpc.h b/src/soc/intel/apollolake/include/soc/lpc.h index 9a1c397d8e..7e3d74aaf6 100644 --- a/src/soc/intel/apollolake/include/soc/lpc.h +++ b/src/soc/intel/apollolake/include/soc/lpc.h @@ -53,6 +53,8 @@ #define LGMR_EN (1 << 0) #define LGMR_WINDOW_SIZE (64 * KiB) +/* Configure the SOC's LPC pads and mux them to the LPC function. */ +void lpc_configure_pads(void); /* Enable fixed IO ranges to LPC. IOE_* macros can be OR'ed together. */ void lpc_enable_fixed_io_ranges(uint16_t io_enables); /* Open a generic IO window to the LPC bus. Four windows are available. */ diff --git a/src/soc/intel/apollolake/lpc_lib.c b/src/soc/intel/apollolake/lpc_lib.c index 14e052eace..654c83e838 100644 --- a/src/soc/intel/apollolake/lpc_lib.c +++ b/src/soc/intel/apollolake/lpc_lib.c @@ -20,6 +20,7 @@ #include <console/console.h> #include <device/pci.h> #include <lib.h> +#include <soc/gpio.h> #include <soc/lpc.h> #include <soc/pci_devs.h> @@ -44,6 +45,21 @@ static const struct lpc_mmio_range { { 0, 0 } }; +static const struct pad_config lpc_gpios[] = { + PAD_CFG_NF(LPC_AD0, NATIVE, DEEP, NF1), + PAD_CFG_NF(LPC_AD1, NATIVE, DEEP, NF1), + PAD_CFG_NF(LPC_AD2, NATIVE, DEEP, NF1), + PAD_CFG_NF(LPC_AD3, NATIVE, DEEP, NF1), + PAD_CFG_NF(LPC_FRAMEB, NATIVE, DEEP, NF1), + PAD_CFG_NF(LPC_CLKOUT0, UP_20K, DEEP, NF1), + PAD_CFG_NF(LPC_CLKOUT1, UP_20K, DEEP, NF1) +}; + +void lpc_configure_pads(void) +{ + gpio_configure_pads(lpc_gpios, ARRAY_SIZE(lpc_gpios)); +} + void lpc_enable_fixed_io_ranges(uint16_t io_enables) { uint16_t reg_io_enables; |