Merge tag 'efi-2020-07-rc6' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
[oweals/u-boot.git] / board / freescale / ls1046ardb / eth.c
index ac8bbec9a3c3a7db6784b021e725d1e7007ec5e6..f3b1dcd306d64f4f5583375ee9514a92d6625c99 100644 (file)
@@ -1,9 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2016 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
+#include <fdt_support.h>
+#include <net.h>
 #include <asm/io.h>
 #include <netdev.h>
 #include <fm_eth.h>
@@ -75,3 +76,54 @@ int board_eth_init(bd_t *bis)
 
        return pci_eth_init(bis);
 }
+
+#ifdef CONFIG_FMAN_ENET
+int fdt_update_ethernet_dt(void *blob)
+{
+       u32 srds_s1;
+       int i, prop;
+       int offset, nodeoff;
+       const char *path;
+       struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+
+       srds_s1 = in_be32(&gur->rcwsr[4]) &
+                       FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
+       srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
+
+       /* Cycle through all aliases */
+       for (prop = 0; ; prop++) {
+               const char *name;
+
+               /* FDT might have been edited, recompute the offset */
+               offset = fdt_first_property_offset(blob,
+                                                  fdt_path_offset(blob,
+                                                                  "/aliases")
+                                                  );
+               /* Select property number 'prop' */
+               for (i = 0; i < prop; i++)
+                       offset = fdt_next_property_offset(blob, offset);
+
+               if (offset < 0)
+                       break;
+
+               path = fdt_getprop_by_offset(blob, offset, &name, NULL);
+               nodeoff = fdt_path_offset(blob, path);
+
+               switch (srds_s1) {
+               case 0x1133:
+                       if (!strcmp(name, "ethernet0"))
+                               fdt_status_disabled(blob, nodeoff);
+
+                       if (!strcmp(name, "ethernet1"))
+                               fdt_status_disabled(blob, nodeoff);
+               break;
+               default:
+                       printf("%s: Invalid SerDes prtcl 0x%x for LS1046ARDB\n",
+                              __func__, srds_s1);
+               break;
+               }
+       }
+
+       return 0;
+}
+#endif