diff options
Diffstat (limited to 'src/soc/intel/cannonlake/include')
| -rw-r--r-- | src/soc/intel/cannonlake/include/soc/lpc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/include/soc/lpc.h b/src/soc/intel/cannonlake/include/soc/lpc.h index 3ea9be9203..a4e42bddf3 100644 --- a/src/soc/intel/cannonlake/include/soc/lpc.h +++ b/src/soc/intel/cannonlake/include/soc/lpc.h @@ -52,4 +52,16 @@ #define LPC_BC_EISS (1 << 5) /* EISS */ #define PCCTL 0xE0 /* PCI Clock Control */ #define CLKRUN_EN (1 << 0) + +/* + * This function will help to differentiate between 2 PCH on single type of soc. + * Since same soc may have LP series pch or H series PCH, we need to + * differentiate by reading upper 8 bits of PCH device ids. + * + * Return: + * Return PCH_LP or PCH_H macro in case of respective device ID found. + * PCH_UNKNOWN_SERIES in case of invalid device ID. + */ +uint8_t get_pch_series(void); + #endif |