soc/amd/cezanne: Add pre-FSPM call to the mainboard
The Guybrush platform needs to set up some GPIOs immediately before the
FSP-M runs. Add a platform specific call. This will be used in a
follow-on commit.
BUG=b:184796302, b:184598323
TEST=Build
Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: I37d2625ff426347852e98a9a50f15368e0213449
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54638
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/amd/cezanne/fsp_m_params.c b/src/soc/amd/cezanne/fsp_m_params.c
index 352aeef..9546721 100644
--- a/src/soc/amd/cezanne/fsp_m_params.c
+++ b/src/soc/amd/cezanne/fsp_m_params.c
@@ -36,6 +36,10 @@
return gfx_hda_dev->enabled;
}
+__weak void mb_pre_fspm(void)
+{
+}
+
static void fill_dxio_descriptors(FSP_M_CONFIG *mcfg,
const fsp_dxio_descriptor *descs, size_t num)
{
@@ -171,4 +175,5 @@
fsp_fill_pcie_ddi_descriptors(mcfg);
fsp_assign_ioapic_upds(mcfg);
+ mb_pre_fspm();
}
diff --git a/src/soc/amd/cezanne/include/soc/platform_descriptors.h b/src/soc/amd/cezanne/include/soc/platform_descriptors.h
index d68cd7f..3a4bc62 100644
--- a/src/soc/amd/cezanne/include/soc/platform_descriptors.h
+++ b/src/soc/amd/cezanne/include/soc/platform_descriptors.h
@@ -12,4 +12,6 @@
const fsp_dxio_descriptor **dxio_descs, size_t *dxio_num,
const fsp_ddi_descriptor **ddi_descs, size_t *ddi_num);
+void mb_pre_fspm(void);
+
#endif /* AMD_PICASSO_PLATFORM_DESCRIPTORS_H */