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[PULL,07/22] IDE: MMIO IDE device control should be little endian

Message ID 1410537426-9917-8-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf Sept. 12, 2014, 3:56 p.m. UTC 
From: Valentin Manea <valentin.manea@gmail.com>

Set the IDE MMIO memory type to little endian. The ATA specs identify
words part of the control commands encoded as little endian.
While this has no impact on little endian systems, it's required for big
endian systems(eg OpenRisc).

Signed-off-by: Valentin Manea <valentin.manea@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 hw/ide/mmio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c
index 01c1d0e..334c8cc 100644
--- a/hw/ide/mmio.c
+++ b/hw/ide/mmio.c
@@ -82,7 +82,7 @@  static void mmio_ide_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps mmio_ide_ops = {
     .read = mmio_ide_read,
     .write = mmio_ide_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
 static uint64_t mmio_ide_status_read(void *opaque, hwaddr addr,
@@ -102,7 +102,7 @@  static void mmio_ide_cmd_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps mmio_ide_cs_ops = {
     .read = mmio_ide_status_read,
     .write = mmio_ide_cmd_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
 static const VMStateDescription vmstate_ide_mmio = {