1 files changed, 26 insertions, 0 deletions
diff --git a/src/soc/qualcomm/sc7180/qclib.c b/src/soc/qualcomm/sc7180/qclib.c
new file mode 100644
index 000000000000..e05a24f029af
--- /dev/null
+++ b/src/soc/qualcomm/sc7180/qclib.c
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <soc/qclib_common.h>
+#include <device/mmio.h>
+
+#define LONG_SYS_DCB_REG 0x7801C0
+#define FUSE_BIT 15
+
+static int dcb_fuse_longsys1p8(void)
+{
+	unsigned int fuse_value, bit_value;
+	fuse_value = read32((unsigned int *)LONG_SYS_DCB_REG);
+	bit_value = (fuse_value >> FUSE_BIT) & 0x1;
+	return bit_value;
+}
+
+const char *qclib_file(enum qclib_cbfs_file file)
+{
+	if ((file == QCLIB_CBFS_DCB) && dcb_fuse_longsys1p8()) {
+		printk(BIOS_INFO, "Using DCB for Longsys 1.8V memory based on fuse setting\n");
+		return CONFIG_CBFS_PREFIX "/dcb_longsys1p8";
+	} else {
+		return qclib_file_default(file);
+	}
+}