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Stellaris qdev conversion

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Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-06-03 15:16:49 +01:00
parent 2c6554bc6b
commit 40905a6a31
4 changed files with 98 additions and 52 deletions
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43
hw/armv7m.c
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@ -117,18 +117,35 @@ static CPUWriteMemoryFunc *bitband_writefn[] = {
bitband_writel
};
typedef struct {
SysBusDevice busdev;
uint32_t base;
} BitBandState;
static void bitband_init(SysBusDevice *dev)
{
BitBandState *s = FROM_SYSBUS(BitBandState, dev);
int iomemtype;
s->base = qdev_get_prop_int(&dev->qdev, "base", 0);
iomemtype = cpu_register_io_memory(0, bitband_readfn, bitband_writefn,
&s->base);
sysbus_init_mmio(dev, 0x02000000, iomemtype);
}
static void armv7m_bitband_init(void)
{
int iomemtype;
static uint32_t bitband1_offset = 0x20000000;
static uint32_t bitband2_offset = 0x40000000;
DeviceState *dev;
iomemtype = cpu_register_io_memory(0, bitband_readfn, bitband_writefn,
&bitband1_offset);
cpu_register_physical_memory(0x22000000, 0x02000000, iomemtype);
iomemtype = cpu_register_io_memory(0, bitband_readfn, bitband_writefn,
&bitband2_offset);
cpu_register_physical_memory(0x42000000, 0x02000000, iomemtype);
dev = qdev_create(NULL, "ARM,bitband-memory");
qdev_set_prop_int(dev, "base", 0x20000000);
qdev_init(dev);
sysbus_mmio_map(sysbus_from_qdev(dev), 0, 0x22000000);
dev = qdev_create(NULL, "ARM,bitband-memory");
qdev_set_prop_int(dev, "base", 0x40000000);
qdev_init(dev);
sysbus_mmio_map(sysbus_from_qdev(dev), 0, 0x42000000);
}
/* Board init. */
@ -220,3 +237,11 @@ qemu_irq *armv7m_init(int flash_size, int sram_size,
return pic;
}
static void armv7m_register_devices(void)
{
sysbus_register_dev("ARM,bitband-memory", sizeof(BitBandState),
bitband_init);
}
device_init(armv7m_register_devices)