octeon/cnmac: Skip the switch port (cnmac2) on the 5-ports EdgeRouter POE

it doesn't work as is and would need a separate driver ?
based on a 2017 diff from visa@
ok visa@

diff --git a/sys/arch/octeon/dev/cn30xxsmi.c b/sys/arch/octeon/dev/cn30xxsmi.c
index 39cbadf..ef519e2 100644 (file)
--- a/sys/arch/octeon/dev/cn30xxsmi.c
+++ b/sys/arch/octeon/dev/cn30xxsmi.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: cn30xxsmi.c,v 1.12 2024/05/20 23:13:33 jsg Exp $      */
+/*     $OpenBSD: cn30xxsmi.c,v 1.13 2024/07/06 06:15:17 landry Exp $   */
 
 /*
  * Copyright (c) 2007 Internet Initiative Japan, Inc.
@@ -197,6 +197,10 @@ cn30xxsmi_get_phy(int phandle, int port, struct cn30xxsmi_softc **psmi,
                        reg = nutm25_phys[port];
                        break;
                case BOARD_UBIQUITI_E100:
+                       /* XXX Skip the switch port on ERPoe-5.
+                        * XXX There is no driver for it. */
+                       if (port > 1 && octeon_boot_info->board_rev_major == 1)
+                               return ENOENT;
                case BOARD_UBIQUITI_E120:
                        if (port > 2)
                                return ENOENT;