diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c b/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c index 2b47baa65e..aa223cc567 100644 --- a/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c +++ b/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c @@ -342,11 +342,34 @@ CONST AP_MTRR_SETTINGS ROMDATA TrinityApMtrrSettingsList[] = #define DFLT_FCH_GPP_PORT3_HOTPLUG FALSE //#define BLDCFG_IR_PIN_CONTROL 0x33 -GPIO_CONTROL parmer_gpio[] = { - {183, Function1, GpioIn | GpioOutEnB | PullUpB}, +/* + * The GPIO control is not well documented in AGESA, but is in the BKDG + * + * Eg. FANIN1/GPIO57 on datasheet means power-on default (Function0) is to route + * from this ball to hardware monitor as FAN1 tacho input. Selecting Function1 + * routes this to the GPIO block instead. Seems ACPI GPIOs and related GEVENTs + * are mostly in Function1, sometimes Function2. + * + * Note that the GpioOut bit does not mean that the GPIO is an output. That bit + * actually controls the output value, so GpioOut means "default to set". + * PullUpB is an inverted logic, so setting this bit means we're actually + * disabling the internal pull-up. The PullDown bit is NOT inverted logic. + * The output driver can be disabled with the GpioOutEnB bit, which is again, + * inverted logic. To make the list more readable, we define a few local macros + * to state what we mean. + */ +#define OUTPUT_HIGH (GpioOut) +#define OUTPUT_LOW (0) +#define INPUT (GpioOutEnB) +#define PULL_UP (0) +#define PULL_DOWN (PullDown | PullUpB) +#define PULL_NONE (PullUpB) + +GPIO_CONTROL pavilion_m6_1035dx_gpio[] = { + {57, Function1, OUTPUT_HIGH | PULL_NONE}, /* WLAN enable */ {-1} }; -#define BLDCFG_FCH_GPIO_CONTROL_LIST (&parmer_gpio[0]) +#define BLDCFG_FCH_GPIO_CONTROL_LIST (&pavilion_m6_1035dx_gpio[0]) // The following definitions specify the default values for various parameters in which there are // no clearly defined defaults to be used in the common file. The values below are based on product |