Alexandru Gagniuc (alexandrux.gagniuc@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14587
-gerrit
commit caa4d87ac31969832bec0122f3f03d5e6f6a7a3e Author: Alexandru Gagniuc alexandrux.gagniuc@intel.com Date: Thu Apr 28 10:38:05 2016 -0700
soc/apollolake/lpc_lib: Add utility to configure LPC pads
Change-Id: Iaf325863681ad9b8b5d7662a9d267488b8fdf008 Signed-off-by: Alexandru Gagniuc alexandrux.gagniuc@intel.com --- src/soc/intel/apollolake/include/soc/lpc.h | 2 ++ src/soc/intel/apollolake/lpc_lib.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+)
diff --git a/src/soc/intel/apollolake/include/soc/lpc.h b/src/soc/intel/apollolake/include/soc/lpc.h index c24f6c1..b37db06 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 c3d7aae..d99b58f 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>
@@ -40,6 +41,21 @@ 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;