diff options
Diffstat (limited to 'src/soc/amd/common/block/include/amdblocks/espi.h')
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/espi.h | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/espi.h b/src/soc/amd/common/block/include/amdblocks/espi.h index e882af0305..2bfef890cc 100644 --- a/src/soc/amd/common/block/include/amdblocks/espi.h +++ b/src/soc/amd/common/block/include/amdblocks/espi.h @@ -43,14 +43,11 @@ #define ESPI_OOB_CH_EN (1 << 1) #define ESPI_FLASH_CH_EN (1 << 0) -/* - * Virtual wire interrupt polarity. If the interrupt is active level high or active falling - * edge, then controller expects its bit to be cleared in ESPI_RXVW_POLARITY whereas if the - * interrupt is active level low or active rising edge, then its bit needs to be set in - * ESPI_RXVW_POLARITY. - */ -#define ESPI_VW_IRQ_LEVEL_HIGH(x) (0 << (x)) -#define ESPI_VW_IRQ_LEVEL_LOW(x) (1 << (x)) +/* Virtual wire interrupt polarity. eSPI interrupts are active level high signals. The + polarity register inverts the incoming signal if the associated bit with the irq is + 0. */ +#define ESPI_VW_IRQ_LEVEL_HIGH(x) (1 << (x)) +#define ESPI_VW_IRQ_LEVEL_LOW(x) (0 << (x)) #define ESPI_VW_IRQ_EDGE_HIGH(x) (1 << (x)) #define ESPI_VW_IRQ_EDGE_LOW(x) (0 << (x)) |