1 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/sb_util.c b/src/soc/amd/stoneyridge/sb_util.c
index ccbde7e5d9..eeb550cb7f 100644
--- a/src/soc/amd/stoneyridge/sb_util.c
+++ b/src/soc/amd/stoneyridge/sb_util.c
@@ -200,6 +200,16 @@ uint32_t xhci_pm_read32(uint8_t reg)
 	return read32((void *)(XHCI_ACPI_PM_MMIO_BASE + reg));
 }
 
+void smbus_write8(uint32_t mmio, uint8_t reg, uint8_t value)
+{
+	write8((void *)(mmio + reg), value);
+}
+
+uint8_t smbus_read8(uint32_t mmio, uint8_t reg)
+{
+	return read8((void *)(mmio + reg));
+}
+
 int acpi_get_sleep_type(void)
 {
 	return acpi_sleep_from_pm1(inw(pm_acpi_pm_cnt_blk()));