driver: brcm: add mdio driver
Change-Id: Id873670f68a4c584e3b7b586cab28565bb5a1c27
Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
diff --git a/include/drivers/brcm/mdio/mdio.h b/include/drivers/brcm/mdio/mdio.h
new file mode 100644
index 0000000..b27c7b3
--- /dev/null
+++ b/include/drivers/brcm/mdio/mdio.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2016 - 2021, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MDIO_H
+#define MDIO_H
+
+#define CMIC_MIIM_PARAM (PLAT_CMIC_MIIM_BASE + 0x23cU)
+#define MDIO_PARAM_MIIM_CYCLE 29U
+#define MDIO_PARAM_INTERNAL_SEL 25U
+#define MDIO_PARAM_BUSID 22U
+#define MDIO_PARAM_BUSID_MASK 0x7U
+#define MDIO_PARAM_C45_SEL 21U
+#define MDIO_PARAM_PHYID 16U
+#define MDIO_PARAM_PHYID_MASK 0x1FU
+#define MDIO_PARAM_DATA 0U
+#define MDIO_PARAM_DATA_MASK 0xFFFFU
+#define CMIC_MIIM_READ_DATA (PLAT_CMIC_MIIM_BASE + 0x240U)
+#define MDIO_READ_DATA_MASK 0xffffU
+#define CMIC_MIIM_ADDRESS (PLAT_CMIC_MIIM_BASE + 0x244U)
+#define CMIC_MIIM_CTRL (PLAT_CMIC_MIIM_BASE + 0x248U)
+#define MDIO_CTRL_WRITE_OP 0x1U
+#define MDIO_CTRL_READ_OP 0x2U
+#define CMIC_MIIM_STAT (PLAT_CMIC_MIIM_BASE + 0x24cU)
+#define MDIO_STAT_DONE 1U
+
+int mdio_write(uint16_t busid, uint16_t phyid, uint32_t reg, uint16_t val);
+int mdio_read(uint16_t busid, uint16_t phyid, uint32_t reg);
+#endif /* MDIO_H */