t208xqds: add support for backplane kr

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@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/board/freescale/t208xqds/eth_t208xqds.c b/board/freescale/t208xqds/eth_t208xqds.c
index 23b59bc..697c23b 100644 (file)
--- 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@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,