[Qemu-devel] [PATCH 3/7] lsi53c895a: Add support for LSI53C700 Family Compatibility bit

[Jan Kiszka]

From: Laszlo Ast <laszlo....@siemens-enterprise.com>

Signed-off-by: Laszlo Ast <laszlo....@siemens-enterprise.com>
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---

 hw/lsi53c895a.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index e618bf2..ee69b0a 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -583,6 +583,10 @@ static void lsi_reselect(LSIState *s, uint32_t tag)
     }
     id = (tag >> 8) & 0xf;
     s->ssid = id | 0x80;
+    /* LSI53C700 Family Compatibility, see LSI53C895A 4-73 */
+    if (!s->dcntl & LSI_DCNTL_COM) {
+        s->sfbr = 1 << (id & 0x7);
+    }
     DPRINTF("Reselected target %d\n", id);
     s->current_dev = s->bus.devs[id];
     s->current_tag = tag;