From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 4 May 2010 12:21:02 +0000 (+0200)
Subject: lsi: Adjust some register reset values
X-Git-Tag: pull-nvme-20200902~11884
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=12aa6dd61cb29bc2f1dc38d26bc61bdd7b6e9163;p=qemu-nvme.git

lsi: Adjust some register reset values

According to the LSI spec, the reset value of dcmd, dstat, and ctest2
were wrong, and sdid as well as ssid require zero initialization. There
are surely more discrepancies, this is just another increment.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---

diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index 61de23ea7e..f088d068da 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -298,8 +298,8 @@ static void lsi_soft_reset(LSIState *s)
     memset(s->scratch, 0, sizeof(s->scratch));
     s->istat0 = 0;
     s->istat1 = 0;
-    s->dcmd = 0;
-    s->dstat = 0;
+    s->dcmd = 0x40;
+    s->dstat = LSI_DSTAT_DFE;
     s->dien = 0;
     s->sist0 = 0;
     s->sist1 = 0;
@@ -308,7 +308,7 @@ static void lsi_soft_reset(LSIState *s)
     s->mbox0 = 0;
     s->mbox1 = 0;
     s->dfifo = 0;
-    s->ctest2 = 0;
+    s->ctest2 = LSI_CTEST2_DACK;
     s->ctest3 = 0;
     s->ctest4 = 0;
     s->ctest5 = 0;
@@ -327,6 +327,8 @@ static void lsi_soft_reset(LSIState *s)
     s->scid = 7;
     s->sxfer = 0;
     s->socl = 0;
+    s->sdid = 0;
+    s->ssid = 0;
     s->stest1 = 0;
     s->stest2 = 0;
     s->stest3 = 0;