arm: mvebu: Add Armada 38x SERDES / PHY init code from Marvell bin_hdr

This code is ported from the Marvell bin_hdr code into mainline
SPL U-Boot. It needs to be executed very early so that the devices
connected to the serdes PHY are configured correctly.

Signed-off-by: Stefan Roese <sr@denx.de>

1 files changed, 124 insertions, 0 deletions

diff --git a/arch/arm/mach-mvebu/serdes/a38x/high_speed_topology_spec.h b/arch/arm/mach-mvebu/serdes/a38x/high_speed_topology_spec.h
new file mode 100644
index 0000000000..3cfb1c71e7
--- /dev/null
+++ b/arch/arm/mach-mvebu/serdes/a38x/high_speed_topology_spec.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#ifndef _HIGHSPEED_TOPOLOGY_SPEC_H
+#define _HIGHSPEED_TOPOLOGY_SPEC_H
+
+#include "high_speed_env_spec.h"
+
+/* Topology map options for the DB_A38X_BP board */
+enum topology_config_db {
+	DB_CONFIG_SLM1363_C,
+	DB_CONFIG_SLM1363_D,
+	DB_CONFIG_SLM1363_E,
+	DB_CONFIG_SLM1363_F,
+	DB_CONFIG_SLM1364_D,
+	DB_CONFIG_SLM1364_E,
+	DB_CONFIG_SLM1364_F,
+	DB_CONFIG_DEFAULT,
+	DB_NO_TOPOLOGY
+};
+
+/*
+ * this enum must be aligned with topology_config_db_381 array,
+ * every update to this enum requires update to topology_config_db_381
+ * array
+ */
+enum topology_config_db381 {
+	DB_CONFIG_SLM1427,	/* enum for db_config_slm1427 */
+	DB_CONFIG_SLM1426,	/* enum for db_config_slm1426 */
+	DB_381_CONFIG_DEFAULT,
+	DB_381_NO_TOPOLOGY
+};
+
+/* A generic function pointer for loading the board topology map */
+typedef int (*load_topology_func_ptr)(struct serdes_map *serdes_map_array);
+
+extern load_topology_func_ptr load_topology_func_arr[];
+
+/*
+ * topology_config_db_mode_get -
+ *
+ * DESCRIPTION:		Gets the relevant topology mode (index).
+ *			for load_topology_db use only.
+ * INPUT:		None.
+ * OUTPUT:		None.
+ * RETURNS:		the topology mode
+ */
+u8 topology_config_db_mode_get(void);
+
+/*
+ * load_topology_xxx -
+ *
+ * DESCRIPTION:		Loads the board topology for the XXX board
+ * INPUT:		serdes_map_array - The struct that will contain
+ *			the board topology map
+ * OUTPUT:		The board topology map.
+ * RETURNS:		MV_OK   for success
+ *			MV_FAIL	for failure (a wrong topology mode was read
+ *			from the board)
+ */
+
+/* load_topology_db - Loads the board topology for DB Board */
+int load_topology_db(struct serdes_map *serdes_map_array);
+
+/* load_topology_rd - Loads the board topology for RD Board */
+int load_topology_rd(struct serdes_map *serdes_map_array);
+
+/* load_topology_rd_nas - Loads the board topology for RD NAS Board */
+int load_topology_rd_nas(struct serdes_map *serdes_map_array);
+
+/* load_topology_rd_ap - Loads the board topology for RD Ap Board */
+int load_topology_rd_ap(struct serdes_map *serdes_map_array);
+
+/* load_topology_db_ap - Loads the board topology for DB-AP Board */
+int load_topology_db_ap(struct serdes_map *serdes_map_array);
+
+/* load_topology_db_gp - Loads the board topology for DB GP Board */
+int load_topology_db_gp(struct serdes_map *serdes_map_array);
+
+/* load_topology_db_381 - Loads the board topology for 381 DB-BP Board */
+int load_topology_db_381(struct serdes_map *serdes_map_array);
+
+/* load_topology_db_amc - Loads the board topology for DB-AMC Board */
+int load_topology_db_amc(struct serdes_map *serdes_map_array);
+
+/*
+ * hws_update_device_toplogy
+ * DESCRIPTION: Update the default board topology for specific device Id
+ * INPUT:
+ *	topology_config_ptr - pointer to the Serdes mapping
+ *	topology_mode - topology mode (index)
+ * OUTPUT: None
+ * RRETURNS:
+ *	MV_OK - if updating the board topology success
+ *	MV_BAD_PARAM - if the input parameter is wrong
+ */
+int hws_update_device_toplogy(struct serdes_map *topology_config_ptr,
+			      enum topology_config_db topology_mode);
+
+/*
+ * load_topology_rd_sgmii_usb -
+ *
+ * DESCRIPTION:			For RD board check if lane 4 is USB3 or SGMII
+ * INPUT:			None
+ * OUTPUT:			is_sgmii - return 1 if lane 4 is SGMII
+ *				return 0 if lane 4 is USB.
+ * RETURNS:			MV_OK for success
+ */
+int load_topology_rd_sgmii_usb(int *is_sgmii);
+
+/*
+ * load_topology_usb_mode_get -
+ *
+ * DESCRIPTION:			For DB board check if USB3.0 mode
+ * INPUT:			None
+ * OUTPUT:			twsi_data - return data read from S@R via I2C
+ * RETURNS:			MV_OK for success
+ */
+int load_topology_usb_mode_get(u8 *twsi_data);
+
+#endif /* _HIGHSPEED_TOPOLOGY_SPEC_H */