diff options
| -rw-r--r-- | src/cpu/intel/haswell/haswell.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cpu/intel/haswell/haswell.h b/src/cpu/intel/haswell/haswell.h index 608c5b5908..6612509e49 100644 --- a/src/cpu/intel/haswell/haswell.h +++ b/src/cpu/intel/haswell/haswell.h @@ -112,7 +112,7 @@ /* PCODE MMIO communications live in the MCHBAR. */ #define BIOS_MAILBOX_INTERFACE 0x5da4 -#define MAILBOX_RUN_BUSY (1 << 31) +#define MAILBOX_RUN_BUSY (1UL << 31) #define MAILBOX_BIOS_CMD_READ_PCS 1 #define MAILBOX_BIOS_CMD_WRITE_PCS 2 #define MAILBOX_BIOS_CMD_READ_CALIBRATION 0x509 |