From patchwork Thu Nov 19 10:07:12 2009
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [3/7] lsi53c895a: Add support for LSI53C700 Family Compatibility bit
From: Jan Kiszka <jan.kiszka@siemens.com>
X-Patchwork-Id: 38820
Message-Id: <20091119100712.16666.77580.stgit@mchn012c.ww002.siemens.net>
To: qemu-devel@nongnu.org
Cc: Laszlo Ast <laszlo.ast@siemens-enterprise.com>
Date: Thu, 19 Nov 2009 11:07:12 +0100

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

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