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-rw-r--r--src/soc/intel/meteorlake/bootblock/soc_die.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/soc/intel/meteorlake/bootblock/soc_die.c b/src/soc/intel/meteorlake/bootblock/soc_die.c
index f48981c07c..58de3619ed 100644
--- a/src/soc/intel/meteorlake/bootblock/soc_die.c
+++ b/src/soc/intel/meteorlake/bootblock/soc_die.c
@@ -88,17 +88,27 @@ static void soc_die_early_ip_init(void)
soc_die_config_pwrmbase();
}
-void bootblock_soc_die_early_init(void)
+static void soc_die_early_sa_init(void)
{
const struct sa_mmio_descriptor soc_fixed_pci_resources[] = {
{ MCHBAR, MCH_BASE_ADDRESS, MCH_BASE_SIZE, "MCHBAR" },
};
bootblock_systemagent_early_init();
- soc_die_early_ip_init();
/* Enable MCHBAR early, needed by IOC driver */
sa_set_pci_bar(soc_fixed_pci_resources, ARRAY_SIZE(soc_fixed_pci_resources));
+}
+
+void bootblock_soc_die_early_init(void)
+{
+ /*
+ * Ensure performing SA related programming including MCHBAR prior to accessing
+ * IOC driver.
+ */
+ soc_die_early_sa_init();
+
+ soc_die_early_ip_init();
fast_spi_cache_bios_region();
soc_die_early_iorange_init();