diff options
| author | Elyes HAOUAS <ehaouas@noos.fr> | 2020-04-29 09:43:32 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-06-03 12:20:48 +0000 |
| commit | e585f5b5cc29b006c551c746fb0bfb5fc69ec358 (patch) | |
| tree | c86260bbed5e4a4cf1f923fe381da3f8654aed5d /src/soc/intel/icelake | |
| parent | a1c767a19b0f617b95306bea4f6cbbd1f9907a6e (diff) | |
soc/intel/icelake: Fix 16-bit read/write PCI_COMMAND register
Change-Id: Ibe9752a3f09e8944f7fbcf385b83faae95a7cd9b
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40841
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/soc/intel/icelake')
| -rw-r--r-- | src/soc/intel/icelake/bootblock/pch.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/soc/intel/icelake/bootblock/pch.c b/src/soc/intel/icelake/bootblock/pch.c index 402fb9aa34..6ebf9101b3 100644 --- a/src/soc/intel/icelake/bootblock/pch.c +++ b/src/soc/intel/icelake/bootblock/pch.c @@ -41,22 +41,21 @@ static void soc_config_pwrmbase(void) { uint32_t reg32; + uint16_t reg16; /* * Assign Resources to PWRMBASE * Clear BIT 1-2 Command Register */ - reg32 = pci_read_config32(PCH_DEV_PMC, PCI_COMMAND); - reg32 &= ~(PCI_COMMAND_MEMORY); - pci_write_config32(PCH_DEV_PMC, PCI_COMMAND, reg32); + reg16 = pci_read_config16(PCH_DEV_PMC, PCI_COMMAND); + reg16 &= ~(PCI_COMMAND_MEMORY); + pci_write_config16(PCH_DEV_PMC, PCI_COMMAND, reg16); /* Program PWRM Base */ pci_write_config32(PCH_DEV_PMC, PWRMBASE, PCH_PWRM_BASE_ADDRESS); /* Enable Bus Master and MMIO Space */ - reg32 = pci_read_config32(PCH_DEV_PMC, PCI_COMMAND); - reg32 |= PCI_COMMAND_MEMORY; - pci_write_config32(PCH_DEV_PMC, PCI_COMMAND, reg32); + pci_or_config16(PCH_DEV_PMC, PCI_COMMAND, PCI_COMMAND_MEMORY); /* Enable PWRM in PMC */ reg32 = read32((void *)(PCH_PWRM_BASE_ADDRESS + ACTL)); |