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authorAnthony Liguori <aliguori@us.ibm.com>2012-01-04 10:06:25 -0600
committerAnthony Liguori <aliguori@us.ibm.com>2012-01-04 10:06:25 -0600
commitc47f3223658119219bbe0b8d09da733d1c06e76f (patch)
tree084340e39cd15d1246c9f43cfc1becd5582d5f12 /hw/pl181.c
parent11c7ef0c737f37a487f45c6f3aa070ac7e342e3e (diff)
parentb2123a48566ab0636b78dda6b9c37c54bff69e6b (diff)
downloadfocaccia-qemu-c47f3223658119219bbe0b8d09da733d1c06e76f.tar.gz
focaccia-qemu-c47f3223658119219bbe0b8d09da733d1c06e76f.zip
Merge remote-tracking branch 'pmaydell/arm-devs.for-upstream' into staging
* pmaydell/arm-devs.for-upstream:
  add L2x0/PL310 cache controller device
  arm: add dummy gic security registers
  arm: Set frequencies for arm_timer
  arm: add missing scu registers
  hw/omap_gpmc: Fix region map/unmap when configuring prefetch engine
  hw/omap1.c: Drop unused includes
  hw/omap1.c: Separate dpll_ctl from omap_mpu_state
  hw/omap1.c: Separate PWT from omap_mpu_state
  hw/omap1.c: Separate PWL from omap_mpu_state
  hw/omap1.c: omap_mpuio_init() need not be public
  hw/pl110.c: Add post-load hook to invalidate display
  hw/pl181.c: Add save/load support
Diffstat (limited to 'hw/pl181.c')
-rw-r--r--hw/pl181.c49
1 files changed, 40 insertions, 9 deletions
diff --git a/hw/pl181.c b/hw/pl181.c
index d05bc191be..b79aa418fa 100644
--- a/hw/pl181.c
+++ b/hw/pl181.c
@@ -38,20 +38,45 @@ typedef struct {
     uint32_t datacnt;
     uint32_t status;
     uint32_t mask[2];
-    int fifo_pos;
-    int fifo_len;
+    int32_t fifo_pos;
+    int32_t fifo_len;
     /* The linux 2.6.21 driver is buggy, and misbehaves if new data arrives
        while it is reading the FIFO.  We hack around this be defering
        subsequent transfers until after the driver polls the status word.
        http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=4446/1
      */
-    int linux_hack;
+    int32_t linux_hack;
     uint32_t fifo[PL181_FIFO_LEN];
     qemu_irq irq[2];
     /* GPIO outputs for 'card is readonly' and 'card inserted' */
     qemu_irq cardstatus[2];
 } pl181_state;
 
+static const VMStateDescription vmstate_pl181 = {
+    .name = "pl181",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT32(clock, pl181_state),
+        VMSTATE_UINT32(power, pl181_state),
+        VMSTATE_UINT32(cmdarg, pl181_state),
+        VMSTATE_UINT32(cmd, pl181_state),
+        VMSTATE_UINT32(datatimer, pl181_state),
+        VMSTATE_UINT32(datalength, pl181_state),
+        VMSTATE_UINT32(respcmd, pl181_state),
+        VMSTATE_UINT32_ARRAY(response, pl181_state, 4),
+        VMSTATE_UINT32(datactrl, pl181_state),
+        VMSTATE_UINT32(datacnt, pl181_state),
+        VMSTATE_UINT32(status, pl181_state),
+        VMSTATE_UINT32_ARRAY(mask, pl181_state, 2),
+        VMSTATE_INT32(fifo_pos, pl181_state),
+        VMSTATE_INT32(fifo_len, pl181_state),
+        VMSTATE_INT32(linux_hack, pl181_state),
+        VMSTATE_UINT32_ARRAY(fifo, pl181_state, PL181_FIFO_LEN),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 #define PL181_CMD_INDEX     0x3f
 #define PL181_CMD_RESPONSE  (1 << 6)
 #define PL181_CMD_LONGRESP  (1 << 7)
@@ -420,9 +445,9 @@ static const MemoryRegionOps pl181_ops = {
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static void pl181_reset(void *opaque)
+static void pl181_reset(DeviceState *d)
 {
-    pl181_state *s = (pl181_state *)opaque;
+    pl181_state *s = DO_UPCAST(pl181_state, busdev.qdev, d);
 
     s->power = 0;
     s->cmdarg = 0;
@@ -459,15 +484,21 @@ static int pl181_init(SysBusDevice *dev)
     qdev_init_gpio_out(&s->busdev.qdev, s->cardstatus, 2);
     dinfo = drive_get_next(IF_SD);
     s->card = sd_init(dinfo ? dinfo->bdrv : NULL, 0);
-    qemu_register_reset(pl181_reset, s);
-    pl181_reset(s);
-    /* ??? Save/restore.  */
     return 0;
 }
 
+static SysBusDeviceInfo pl181_info = {
+    .init = pl181_init,
+    .qdev.name = "pl181",
+    .qdev.size = sizeof(pl181_state),
+    .qdev.vmsd = &vmstate_pl181,
+    .qdev.reset = pl181_reset,
+    .qdev.no_user = 1,
+};
+
 static void pl181_register_devices(void)
 {
-    sysbus_register_dev("pl181", sizeof(pl181_state), pl181_init);
+    sysbus_register_withprop(&pl181_info);
 }
 
 device_init(pl181_register_devices)