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-rw-r--r--include/fm_eth.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/fm_eth.h b/include/fm_eth.h
index 2e2ba756a0b..729ad63cd50 100644
--- a/include/fm_eth.h
+++ b/include/fm_eth.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2009-2012 Freescale Semiconductor, Inc.
+ * Copyright 2019 NXP
*/
#ifndef __FM_ETH_H__
@@ -41,8 +42,19 @@ enum fm_eth_type {
FM_ETH_10G_E,
};
+/* Historically, on FMan v3 platforms, the first MDIO bus has been used for
+ * Clause 22 PHYs and the second MDIO bus for 10G Clause 45 PHYs (thus the
+ * TGEC name).
+ *
+ * On LS1046A-FRWY, the QSGMII PHY is connected to the second MDIO bus,
+ * and no TGEC ports are present on-board.
+ */
#ifdef CONFIG_SYS_FMAN_V3
+#ifdef CONFIG_TARGET_LS1046AFRWY
+#define CONFIG_SYS_FM1_DTSEC_MDIO_ADDR (CONFIG_SYS_FSL_FM1_ADDR + 0xfd000)
+#else
#define CONFIG_SYS_FM1_DTSEC_MDIO_ADDR (CONFIG_SYS_FSL_FM1_ADDR + 0xfc000)
+#endif
#define CONFIG_SYS_FM1_TGEC_MDIO_ADDR (CONFIG_SYS_FSL_FM1_ADDR + 0xfd000)
#if (CONFIG_SYS_NUM_FMAN == 2)
#define CONFIG_SYS_FM2_DTSEC_MDIO_ADDR (CONFIG_SYS_FSL_FM2_ADDR + 0xfc000)