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author | Anthony Liguori | 2012-01-04 17:06:25 +0100 |
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committer | Anthony Liguori | 2012-01-04 17:06:25 +0100 |
commit | c47f3223658119219bbe0b8d09da733d1c06e76f (patch) | |
tree | 084340e39cd15d1246c9f43cfc1becd5582d5f12 /hw/pl181.c | |
parent | Remove IO_MEM_SHIFT (diff) | |
parent | add L2x0/PL310 cache controller device (diff) | |
download | qemu-c47f3223658119219bbe0b8d09da733d1c06e76f.tar.gz qemu-c47f3223658119219bbe0b8d09da733d1c06e76f.tar.xz 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.c | 49 |
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) |