mv64361: Add dummy gigabit ethernet PHY access registers

We don't emulate the gigabit ethernet part of the chip but the MorphOS
driver accesses these and expects to get some valid looking result
otherwise it hangs. Add some minimal dummy implementation to avoid rhis.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: Cédric Le Goater <clg@kaod.org>
Message-ID: <20230605215145.29458746335@zero.eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

diff --git a/hw/pci-host/mv64361.c b/hw/pci-host/mv64361.c
index 19e8031a3fed7a1ca43cf45d6fece418a098515a..01bd8c887fa8daf504f502c953470a7178df972e 100644 (file)
--- a/hw/pci-host/mv64361.c
+++ b/hw/pci-host/mv64361.c
@@ -541,6 +541,12 @@ static uint64_t mv64361_read(void *opaque, hwaddr addr, unsigned int size)
             }
         }
         break;
+    case MV64340_ETH_PHY_ADDR:
+        ret = 0x98;
+        break;
+    case MV64340_ETH_SMI:
+        ret = BIT(27);
+        break;
     case MV64340_CUNIT_ARBITER_CONTROL_REG:
         ret = 0x11ff0000 | (s->gpp_int_level << 10);
         break;

diff --git a/hw/pci-host/mv643xx.h b/hw/pci-host/mv643xx.h
index cd26a43f1884c08aeff2b3b4a3389714b725a7fb..f2e1baea88d310f9f76227ef16025289311ef56f 100644 (file)
--- a/hw/pci-host/mv643xx.h
+++ b/hw/pci-host/mv643xx.h
@@ -656,6 +656,9 @@
 /*        Ethernet Unit Registers       */
 /****************************************/
 
+#define MV64340_ETH_PHY_ADDR                                        0x2000
+#define MV64340_ETH_SMI                                             0x2004
+
 /*******************************************/
 /*          CUNIT  Registers               */
 /*******************************************/