[PATCH 4/4] t208xqds: add support for backplane kr

[Florinel Iordache]

Add support for backplane kr on t208xqds: remove board specific fixups
on t208xqds for ethernet interfaces specified in device tree as
supported backplane modes.

Signed-off-by: Florinel Iordache <florinel.iordache at nxp.com>
---
 board/freescale/t208xqds/eth_t208xqds.c | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

diff --git a/board/freescale/t208xqds/eth_t208xqds.c b/board/freescale/t208xqds/eth_t208xqds.c
index 23b59bc..697c23b 100644
--- a/board/freescale/t208xqds/eth_t208xqds.c
+++ b/board/freescale/t208xqds/eth_t208xqds.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
+ * Copyright 2020 NXP
  *
  * Shengzhou Liu <Shengzhou.Liu at freescale.com>
  */
@@ -200,6 +201,7 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 	char buf[32] = "serdes-1,";
 	struct fixed_link f_link;
 	int media_type = 0;
+	const char *phyconn;
 	int off;
 
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
@@ -412,15 +414,24 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 			}
 
 			if (!media_type) {
-				/* fixed-link is used for XFI fiber cable */
-				f_link.phy_id = port;
-				f_link.duplex = 1;
-				f_link.link_speed = 10000;
-				f_link.pause = 0;
-				f_link.asym_pause = 0;
-				fdt_delprop(fdt, offset, "phy-handle");
-				fdt_setprop(fdt, offset, "fixed-link", &f_link,
-					sizeof(f_link));
+				phyconn = fdt_getprop(fdt, offset,
+						      "phy-connection-type",
+						      NULL);
+				if (is_backplane_mode(phyconn)) {
+					/* Backplane KR mode: skip fixups */
+					printf("Interface %d in backplane KR mode\n",
+					       port);
+				} else {
+					/* fixed-link for XFI fiber cable */
+					f_link.phy_id = port;
+					f_link.duplex = 1;
+					f_link.link_speed = 10000;
+					f_link.pause = 0;
+					f_link.asym_pause = 0;
+					fdt_delprop(fdt, offset, "phy-handle");
+					fdt_setprop(fdt, offset, "fixed-link",
+						    &f_link, sizeof(f_link));
+				}
 			} else {
 				/* set property for copper cable */
 				off = fdt_node_offset_by_compat_reg(fdt,
-- 
1.9.1