diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/common/block/gpio/gpio.c | 27 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/gpio.h | 6 |
2 files changed, 33 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/gpio/gpio.c b/src/soc/intel/common/block/gpio/gpio.c index 47e2817a47..3a0594cba1 100644 --- a/src/soc/intel/common/block/gpio/gpio.c +++ b/src/soc/intel/common/block/gpio/gpio.c @@ -62,6 +62,10 @@ ((group) * sizeof(uint32_t))) #define GPI_SMI_EN_OFFSET(comm, group) ((comm)->gpi_smi_en_reg_0 + \ ((group) * sizeof(uint32_t))) +#define GPI_IS_OFFSET(comm, group) ((comm)->gpi_int_sts_reg_0 + \ + ((group) * sizeof(uint32_t))) +#define GPI_IE_OFFSET(comm, group) ((comm)->gpi_int_en_reg_0 + \ + ((group) * sizeof(uint32_t))) static inline size_t relative_pad_in_comm(const struct pad_community *comm, gpio_t gpio) @@ -582,3 +586,26 @@ uint32_t __weak soc_gpio_pad_config_fixup(const struct pad_config *cfg, { return reg_val; } + +void gpi_clear_int_cfg(void) +{ + int i, group, num_groups; + uint32_t sts_value; + size_t gpio_communities; + const struct pad_community *comm; + + comm = soc_gpio_get_community(&gpio_communities); + for (i = 0; i < gpio_communities; i++, comm++) { + num_groups = comm->num_gpi_regs; + for (group = 0; group < num_groups; group++) { + /* Clear the enable register */ + pcr_write32(comm->port, GPI_IE_OFFSET(comm, group), 0); + + /* Read and clear the set status register bits*/ + sts_value = pcr_read32(comm->port, + GPI_IS_OFFSET(comm, group)); + pcr_write32(comm->port, + GPI_IS_OFFSET(comm, group), sts_value); + } + } +} diff --git a/src/soc/intel/common/block/include/intelblocks/gpio.h b/src/soc/intel/common/block/include/intelblocks/gpio.h index 147f6897a8..417929329f 100644 --- a/src/soc/intel/common/block/include/intelblocks/gpio.h +++ b/src/soc/intel/common/block/include/intelblocks/gpio.h @@ -209,5 +209,11 @@ uint8_t gpio_get_pad_portid(const gpio_t pad); uint32_t soc_gpio_pad_config_fixup(const struct pad_config *cfg, int dw_reg, uint32_t reg_val); +/* + * Function to reset/clear the GPI Interrupt Enable & Status registers for + * all GPIO pad communities. + */ +void gpi_clear_int_cfg(void); + #endif #endif /* _SOC_INTELBLOCKS_GPIO_H_ */ |