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authorCédric Le Goater <clg@kaod.org>2016-09-22 18:13:06 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-09-22 18:13:06 +0100
commit3755f9e3164360ca34dcc77d842ce1d41321db4e (patch)
treed2e4b5f332a003cf781ac896861b9e387f669e8f /hw/misc/aspeed_sdmc.c
parent67077e301454069fd849de755e9d04da70474304 (diff)
downloadfocaccia-qemu-3755f9e3164360ca34dcc77d842ce1d41321db4e.tar.gz
focaccia-qemu-3755f9e3164360ca34dcc77d842ce1d41321db4e.zip
aspeed: calculate the RAM size bits at realize time
There is no need to do this at each reset as the RAM size will not
change.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 1473438177-26079-12-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/misc/aspeed_sdmc.c')
-rw-r--r--hw/misc/aspeed_sdmc.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/hw/misc/aspeed_sdmc.c b/hw/misc/aspeed_sdmc.c
index 244e5c0dc5..1d28252377 100644
--- a/hw/misc/aspeed_sdmc.c
+++ b/hw/misc/aspeed_sdmc.c
@@ -192,7 +192,7 @@ static void aspeed_sdmc_reset(DeviceState *dev)
     case AST2400_A0_SILICON_REV:
         s->regs[R_CONF] |=
             ASPEED_SDMC_VGA_COMPAT |
-            ASPEED_SDMC_DRAM_SIZE(ast2400_rambits());
+            ASPEED_SDMC_DRAM_SIZE(s->ram_bits);
         break;
 
     case AST2500_A0_SILICON_REV:
@@ -200,7 +200,7 @@ static void aspeed_sdmc_reset(DeviceState *dev)
         s->regs[R_CONF] |=
             ASPEED_SDMC_HW_VERSION(1) |
             ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB) |
-            ASPEED_SDMC_DRAM_SIZE(ast2500_rambits());
+            ASPEED_SDMC_DRAM_SIZE(s->ram_bits);
         break;
 
     default:
@@ -219,6 +219,18 @@ static void aspeed_sdmc_realize(DeviceState *dev, Error **errp)
         return;
     }
 
+    switch (s->silicon_rev) {
+    case AST2400_A0_SILICON_REV:
+        s->ram_bits = ast2400_rambits();
+        break;
+    case AST2500_A0_SILICON_REV:
+    case AST2500_A1_SILICON_REV:
+        s->ram_bits = ast2500_rambits();
+        break;
+    default:
+        g_assert_not_reached();
+    }
+
     memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_sdmc_ops, s,
                           TYPE_ASPEED_SDMC, 0x1000);
     sysbus_init_mmio(sbd, &s->iomem);