diff options
Diffstat (limited to 'src/soc/intel/common/block/include/intelblocks/rtc.h')
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/rtc.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/rtc.h b/src/soc/intel/common/block/include/intelblocks/rtc.h index c6507c84f9..56cfb2ea8c 100644 --- a/src/soc/intel/common/block/include/intelblocks/rtc.h +++ b/src/soc/intel/common/block/include/intelblocks/rtc.h @@ -16,6 +16,12 @@ #ifndef SOC_INTEL_COMMON_BLOCK_RTC_H #define SOC_INTEL_COMMON_BLOCK_RTC_H +/* Top swap feature enable/disable config */ +enum ts_config { + TS_DISABLE, + TS_ENABLE +}; + void enable_rtc_upper_bank(void); /* Expect return rtc failed bootlean in case of coin removal */ @@ -23,4 +29,20 @@ int soc_get_rtc_failed(void); void rtc_init(void); +/* + * set/unset RTC backed top swap bit in the BUC register. + * TS_ENABLE - PCH will invert A16, A17 or A18 for cycles + * going to the BIOS space based on PCH strap setting. + * TS_DISABLE - PCH will not invert A16, A17 or A18. + */ +void configure_rtc_buc_top_swap(enum ts_config ts_state); + +/* + * Return the current top swap state which is reflected by the + * RTC backed top swap bit in the BUC register. + * TS_ENABLE - Top swap enabled. + * TS_DISABLE - Top swap disabled. + */ +enum ts_config get_rtc_buc_top_swap_status(void); + #endif /* SOC_INTEL_COMMON_BLOCK_RTC_H */ |