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authorBharat Gooty <bharat.gooty@broadcom.com>2020-09-24 13:02:39 +0530
committerBharat Gooty <bharat.gooty@broadcom.com>2021-02-24 18:05:13 +0530
commit441a065aa3cab046fc7b4a76d7a95418354e7388 (patch)
tree4a4e03d7cf94c6872e93d362a12d8f2e981b11f4 /include
parent66306814586b1bf6bcb859aaad218ec3bb090e94 (diff)
downloadtrusted-firmware-a-441a065aa3cab046fc7b4a76d7a95418354e7388.tar.gz
driver: brcm: add mdio driver
Change-Id: Id873670f68a4c584e3b7b586cab28565bb5a1c27 Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Diffstat (limited to 'include')
-rw-r--r--include/drivers/brcm/mdio/mdio.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/drivers/brcm/mdio/mdio.h b/include/drivers/brcm/mdio/mdio.h
new file mode 100644
index 0000000000..b27c7b3906
--- /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 */