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authorAngel Pons <th3fanbus@gmail.com>2020-06-08 11:46:58 +0200
committerAngel Pons <th3fanbus@gmail.com>2020-08-04 12:22:04 +0000
commitb053583a1c372a0b7018241a5e6bd2d8d00b843c (patch)
tree5d5d54ef630bef5d67766bc425583cba99d0ebf3 /src/northbridge/intel/gm45/iommu.c
parente16692ed07ec5a2deaf9769f4ecc3d65dd21ce1d (diff)
nb/intel/gm45: Use PCI bitwise ops
While we are at it, also reflow a few lines that fit in 96 characters. Tested with BUILD_TIMELESS=1, Roda RK9 does not change. Change-Id: Icaca44280acdba099a5e13c5fd91d82c3e002bae Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42189 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Michael Niewöhner Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/northbridge/intel/gm45/iommu.c')
-rw-r--r--src/northbridge/intel/gm45/iommu.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/src/northbridge/intel/gm45/iommu.c b/src/northbridge/intel/gm45/iommu.c
index 439127d17d..09df12d18a 100644
--- a/src/northbridge/intel/gm45/iommu.c
+++ b/src/northbridge/intel/gm45/iommu.c
@@ -50,11 +50,10 @@ void init_iommu()
if (stepping == STEPPING_B3) {
MCHBAR8(0xffc) |= 1 << 4;
const pci_devfn_t peg = PCI_DEV(0, 1, 0);
+
/* FIXME: proper test? */
- if (pci_read_config8(peg, PCI_CLASS_REVISION) != 0xff) {
- int val = pci_read_config32(peg, 0xfc) | (1 << 15);
- pci_write_config32(peg, 0xfc, val);
- }
+ if (pci_read_config8(peg, PCI_CLASS_REVISION) != 0xff)
+ pci_or_config32(peg, 0xfc, 1 << 15);
}
/* final */