diff options
Diffstat (limited to 'src/soc/intel/cannonlake')
| -rw-r--r-- | src/soc/intel/cannonlake/bootblock/pch.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/src/soc/intel/cannonlake/bootblock/pch.c b/src/soc/intel/cannonlake/bootblock/pch.c index ae52f45454..e1f054857a 100644 --- a/src/soc/intel/cannonlake/bootblock/pch.c +++ b/src/soc/intel/cannonlake/bootblock/pch.c @@ -59,26 +59,20 @@ static uint32_t get_pmc_reg_base(void) static void soc_config_pwrmbase(void) { - uint32_t reg32; - uint16_t reg16; - /* * Assign Resources to PWRMBASE - * Clear BIT 1-2 Command Register + * Clear BIT 1-2 Command Register */ - reg16 = pci_read_config16(PCH_DEV_PMC, PCI_COMMAND); - reg16 &= ~(PCI_COMMAND_MEMORY); - pci_write_config16(PCH_DEV_PMC, PCI_COMMAND, reg16); + pci_and_config16(PCH_DEV_PMC, PCI_COMMAND, ~(PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER)); /* Program PWRM Base */ pci_write_config32(PCH_DEV_PMC, PWRMBASE, PCH_PWRM_BASE_ADDRESS); /* Enable Bus Master and MMIO Space */ - pci_or_config16(PCH_DEV_PMC, PCI_COMMAND, PCI_COMMAND_MEMORY); + pci_or_config16(PCH_DEV_PMC, PCI_COMMAND, (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER)); /* Enable PWRM in PMC */ - reg32 = read32((void *)(PCH_PWRM_BASE_ADDRESS + ACTL)); - write32((void *)(PCH_PWRM_BASE_ADDRESS + ACTL), reg32 | PWRM_EN); + setbits32((void *) PCH_PWRM_BASE_ADDRESS + ACTL, PWRM_EN); } void bootblock_pch_early_init(void) |