AGESA: Switch to MMCONF_SUPPORT_DEFAULT
Vendorcode always does PCI MMCONF access once it is
enabled via MSR.
In coreboot proper, we don't give opportunity to make
pci_read/write calls before PCI MMCONF is enabled via MSR.
This happens early in romstage amd_initmmio() for all cores.
Change-Id: If31bc0a67b480bcc1d955632f413f5cdeec51a54
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/17533
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/mainboard/gizmosphere/gizmo2/romstage.c b/src/mainboard/gizmosphere/gizmo2/romstage.c
index b1addb3..bb1ad30 100644
--- a/src/mainboard/gizmosphere/gizmo2/romstage.c
+++ b/src/mainboard/gizmosphere/gizmo2/romstage.c
@@ -38,6 +38,9 @@
{
u32 val;
+ /* Must come first to enable PCI MMCONF. */
+ amd_initmmio();
+
/* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
* LpcClk[1:0]". To be consistent with Parmer, setting to 4mA
* even though the register is not documented in the Kabini BKDG.
@@ -46,8 +49,6 @@
outb(0xD2, 0xcd6);
outb(0x00, 0xcd7);
- amd_initmmio();
-
/* Set LPC decode enables. */
pci_devfn_t dev = PCI_DEV(0, 0x14, 3);
pci_write_config32(dev, 0x44, 0xff03ffd5);