diff options
| -rw-r--r-- | src/soc/intel/xeon_sp/util.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/soc/intel/xeon_sp/util.c b/src/soc/intel/xeon_sp/util.c index c4a10f9a9c..7524e52900 100644 --- a/src/soc/intel/xeon_sp/util.c +++ b/src/soc/intel/xeon_sp/util.c @@ -320,7 +320,9 @@ static void set_bios_init_completion_for_package(uint32_t socket) die("BIOS RESET CPL3 timed out.\n"); /* Set PMAX_LOCK - must be set before RESET CPL4 */ - pci_or_config32(PCU_DEV_CR0(bus), PCU_CR0_PMAX, PMAX_LOCK); + data = pci_s_read_config32(PCI_DEV(bus, PCU_DEV, PCU_CR0_FUN), PCU_CR0_PMAX); + data |= PMAX_LOCK; + pci_s_write_config32(PCI_DEV(bus, PCU_DEV, PCU_CR0_FUN), PCU_CR0_PMAX, data); /* update RST_CPL4, PCODE_INIT_DONE4 */ timedout = set_bios_reset_cpl_for_package(socket, RST_CPL4_MASK, |