diff options
Diffstat (limited to 'hw/chiptod.c')
| -rw-r--r-- | hw/chiptod.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/hw/chiptod.c b/hw/chiptod.c index d51ce2be..e5c3a22c 100644 --- a/hw/chiptod.c +++ b/hw/chiptod.c @@ -650,14 +650,12 @@ static bool tfmr_recover_tb_errors(uint64_t tfmr) if (tfmr & SPR_TFMR_TB_MISSING_STEP) tfmr_reset_error |= SPR_TFMR_TB_MISSING_STEP; - if (tfmr & SPR_TFMR_TB_RESIDUE_ERR) { - /* To recover TB residue error, reset the TB register. */ - mtspr(SPR_TBWU, 0); - mtspr(SPR_TBWL, 0); - - /* write 1 to bit 45 to clear the error */ + /* + * write 1 to bit 45 to clear TB residue the error. + * TB register has already been reset to zero as part pre-recovery. + */ + if (tfmr & SPR_TFMR_TB_RESIDUE_ERR) tfmr_reset_error |= SPR_TFMR_TB_RESIDUE_ERR; - } if (tfmr & SPR_TFMR_FW_CONTROL_ERR) tfmr_reset_error |= SPR_TFMR_FW_CONTROL_ERR; @@ -689,13 +687,12 @@ static bool tfmr_recover_non_tb_errors(uint64_t tfmr) { uint64_t tfmr_reset_errors = 0; - if (tfmr & SPR_TFMR_HDEC_PARITY_ERROR) { - /* Reset HDEC register */ - mtspr(SPR_HDEC, 0); - - /* Set bit 26 to clear TFMR HDEC parity error. */ + /* + * write 1 to bit 26 to clear TFMR HDEC parity error. + * HDEC register has already been reset to zero as part pre-recovery. + */ + if (tfmr & SPR_TFMR_HDEC_PARITY_ERROR) tfmr_reset_errors |= SPR_TFMR_HDEC_PARITY_ERROR; - } if (tfmr & SPR_TFMR_DEC_PARITY_ERR) { /* Set DEC with all ones */ |
