diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2020-06-22 18:23:17 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-07-01 18:15:15 +0000 |
| commit | 68ab745086c6a062b5cb915424520bd0b18f7849 (patch) | |
| tree | 2d925bb5401cb455cf703a5e9adb7882cba1f5f9 /src | |
| parent | dd6a3d841b3903a69cacc79890e04ebfe3de5de3 (diff) | |
nb/intel/ironlake: Simplify BAR handling
Currently, northbridge BARs are 32-bit values. We don't have any use
case for BARs above 4 GiB in early stages, so handling possibly 64-bit
values seems unnecessary, which currently is a noisy way to write zero.
Tested with BUILD_TIMELESS=1, packardbell/ms2290 remains identical.
Change-Id: I93d1740b961f6a5962757d9a1e960b3f1014a0c6
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42699
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/northbridge/intel/ironlake/early_init.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/src/northbridge/intel/ironlake/early_init.c b/src/northbridge/intel/ironlake/early_init.c index b6c5f0fe34..acc76dabc6 100644 --- a/src/northbridge/intel/ironlake/early_init.c +++ b/src/northbridge/intel/ironlake/early_init.c @@ -38,15 +38,11 @@ static void ironlake_setup_bars(void) printk(BIOS_DEBUG, "Setting up static northbridge registers..."); /* Set up all hardcoded northbridge BARs */ pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR, DEFAULT_EPBAR | 1); - pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR + 4, - (0LL + DEFAULT_EPBAR) >> 32); + pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR + 4, 0); pci_write_config32(PCI_DEV(0, 0x00, 0), MCHBAR, (uintptr_t)DEFAULT_MCHBAR | 1); - pci_write_config32(PCI_DEV(0, 0x00, 0), MCHBAR + 4, - (0LL + (uintptr_t)DEFAULT_MCHBAR) >> 32); - + pci_write_config32(PCI_DEV(0, 0x00, 0), MCHBAR + 4, 0); pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR, (uintptr_t)DEFAULT_DMIBAR | 1); - pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR + 4, - (0LL + (uintptr_t)DEFAULT_DMIBAR) >> 32); + pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR + 4, 0); /* Set C0000-FFFFF to access RAM on both reads and writes */ pci_write_config8(PCI_DEV(0xff, 0x00, 1), QPD0F1_PAM(0), 0x30); |