commit cdbb7c3fa6f67d3370965cb0e4bbfdbca04c0913
author Guenter Roeck <linux@roeck-us.net> Sat Oct 04 13:00:49 2025 -0700
committer Alistair Francis <alistair.francis@wdc.com> Fri Oct 24 09:24:08 2025 +1000
tree 7fbca6052d000bc2b1b4e5652c6ea48bee98b3bd
parent 35a5e8792046df64df10550cd7de4bbc0a2c1018

microchip icicle: Enable PCS on Cadence Ethernet

PCS needs to be enabled for SGMII to be supported by the Linux kernel.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20251004200049.871646-5-linux@roeck-us.net>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

hw/riscv/microchip_pfsoc.c

diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c
index 9fbfba8..4c939d8 100644
--- a/hw/riscv/microchip_pfsoc.c
+++ b/hw/riscv/microchip_pfsoc.c
@@ -415,6 +415,7 @@
     object_property_set_int(OBJECT(&s->gem0), "revision", GEM_REVISION, errp);
     object_property_set_int(OBJECT(&s->gem0), "phy-addr", 8, errp);
     object_property_set_bool(OBJECT(&s->gem0), "phy-connected", false, errp);
+    object_property_set_bool(OBJECT(&s->gem0), "pcs-enabled", true, errp);
 
     sysbus_realize(SYS_BUS_DEVICE(&s->gem0), errp);
     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem0), 0,
@@ -426,6 +427,7 @@
     object_property_set_int(OBJECT(&s->gem1), "phy-addr", 9, errp);
     object_property_set_link(OBJECT(&s->gem1), "phy-consumer",
                              OBJECT(&s->gem0), errp);
+    object_property_set_bool(OBJECT(&s->gem1), "pcs-enabled", true, errp);
     sysbus_realize(SYS_BUS_DEVICE(&s->gem1), errp);
     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem1), 0,
                     memmap[MICROCHIP_PFSOC_GEM1].base);