Werner Zeh (werner.zeh@siemens.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8402
-gerrit
commit 76f2a4c103c4ac22dcbddcbe9f5a85641be6d53a Author: Werner Zeh werner.zeh@siemens.com Date: Tue Feb 10 13:32:51 2015 +0100
fsp_baytrail: Add macros to define 20K pull-up and down
Add two macros to gpio.h which allow to setup 20K pull-up or pull-down resistor for a given GPIO.
Change-Id: Ie3bc4d40df588ed682cc692e2a80527b9e62a483 Signed-off-by: Werner Zeh werner.zeh@siemens.com --- src/soc/intel/fsp_baytrail/baytrail/gpio.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/src/soc/intel/fsp_baytrail/baytrail/gpio.h b/src/soc/intel/fsp_baytrail/baytrail/gpio.h index e13b663..a45254a 100644 --- a/src/soc/intel/fsp_baytrail/baytrail/gpio.h +++ b/src/soc/intel/fsp_baytrail/baytrail/gpio.h @@ -170,6 +170,20 @@ .use_sel = GPIO_USE_MMIO, \ .is_gpio = 1 }
+#define GPIO_INPUT_PU_20K \ + { .pad_conf0 = PAD_PU_20K | PAD_PULL_UP | PAD_CONFIG0_DEFAULT, \ + .pad_conf1 = PAD_CONFIG1_DEFAULT, \ + .pad_val = PAD_VAL_INPUT, \ + .use_sel = GPIO_USE_MMIO, \ + .is_gpio = 1 } + +#define GPIO_INPUT_PD_20K \ + { .pad_conf0 = PAD_PU_20K | PAD_PULL_DOWN | PAD_CONFIG0_DEFAULT, \ + .pad_conf1 = PAD_CONFIG1_DEFAULT, \ + .pad_val = PAD_VAL_INPUT, \ + .use_sel = GPIO_USE_MMIO, \ + .is_gpio = 1 } + #define GPIO_INPUT_NOPU \ { .pad_conf0 = PAD_PU_10K | PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT, \ .pad_conf1 = PAD_CONFIG1_DEFAULT, \