diff options
Diffstat (limited to 'src/soc/intel/apollolake/gpio.c')
| -rw-r--r-- | src/soc/intel/apollolake/gpio.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/soc/intel/apollolake/gpio.c b/src/soc/intel/apollolake/gpio.c index a3ffb3de0f..2d325255e7 100644 --- a/src/soc/intel/apollolake/gpio.c +++ b/src/soc/intel/apollolake/gpio.c @@ -85,10 +85,19 @@ static void gpio_configure_itss(const struct pad_config *cfg, void gpio_configure_pad(const struct pad_config *cfg) { + uint32_t dw1; const struct pad_community *comm = gpio_get_community(cfg->pad); uint16_t config_offset = PAD_CFG_OFFSET(cfg->pad - comm->first_pad); + + /* Iostandby bits are tentatively stored in [3:0] bits (RO) of config1. + * dw1 is used to extract the bits of Iostandby. + * This is done to preserve config1 size as unit16 in gpio.h. + */ + dw1 = cfg->config1 & ~PAD_CFG1_IOSSTATE_MASK; + dw1 |= (cfg->config1 & PAD_CFG1_IOSSTATE_MASK) << PAD_CFG1_IOSSTATE_SHIFT; + iosf_write(comm->port, config_offset, cfg->config0); - iosf_write(comm->port, config_offset + sizeof(uint32_t), cfg->config1); + iosf_write(comm->port, config_offset + sizeof(uint32_t), dw1); gpio_configure_itss(cfg, comm->port, config_offset); } |