sb/intel/i82801gx: Autodisable functions based on devicetree
This removes the need to synchronize the devicetree and the romstage
writing to FD.
Change-Id: I83576599538a02d295fe00b35826f98d8c97d1cf
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/30244
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/getac/p470/romstage.c b/src/mainboard/getac/p470/romstage.c
index 18d856b..820a333 100644
--- a/src/mainboard/getac/p470/romstage.c
+++ b/src/mainboard/getac/p470/romstage.c
@@ -165,8 +165,7 @@
RCBA8(OIC) = 0x03;
/* Disable unused devices */
- RCBA32(FD) = FD_PCIE6 | FD_PCIE5 | FD_INTLAN | FD_ACMOD | FD_ACAUD | FD_PATA;
- RCBA32(FD) |= (1 << 0); // Required.
+ RCBA32(FD) |= FD_INTLAN;
/* Enable PCIe Root Port Clock Gate */
// RCBA32(0x341c) = 0x00000001;
@@ -221,7 +220,6 @@
reg32 &= ~(3 << 0);
reg32 |= (1 << 0);
RCBA32(0x3430) = reg32;
- RCBA32(FD) |= (1 << 0);
RCBA16(0x0200) = 0x2008;
RCBA8(0x2027) = 0x0d;
RCBA16(0x3e08) |= (1 << 7);