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stellaris: convert adc to memory API

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Signed-off-by: Benoit Canet <benoit.canet@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Benoît Canet 2011-10-17 17:28:31 +02:00 committed by Avi Kivity
parent 8ea72f384a
commit 71a2df0557
1 changed files with 12 additions and 18 deletions
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30
hw/stellaris.c
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@ -892,6 +892,7 @@ static int stellaris_i2c_init(SysBusDevice * dev)
typedef struct
{
SysBusDevice busdev;
MemoryRegion iomem;
uint32_t actss;
uint32_t ris;
uint32_t im;
@ -992,7 +993,8 @@ static void stellaris_adc_reset(stellaris_adc_state *s)
}
}
static uint32_t stellaris_adc_read(void *opaque, target_phys_addr_t offset)
static uint64_t stellaris_adc_read(void *opaque, target_phys_addr_t offset,
unsigned size)
{
stellaris_adc_state *s = (stellaris_adc_state *)opaque;
@ -1040,7 +1042,7 @@ static uint32_t stellaris_adc_read(void *opaque, target_phys_addr_t offset)
}
static void stellaris_adc_write(void *opaque, target_phys_addr_t offset,
uint32_t value)
uint64_t value, unsigned size)
{
stellaris_adc_state *s = (stellaris_adc_state *)opaque;
@ -1054,7 +1056,7 @@ static void stellaris_adc_write(void *opaque, target_phys_addr_t offset,
return;
case 0x04: /* SSCTL */
if (value != 6) {
hw_error("ADC: Unimplemented sequence %x\n",
hw_error("ADC: Unimplemented sequence %" PRIx64 "\n",
value);
}
s->ssctl[n] = value;
@ -1097,16 +1099,10 @@ static void stellaris_adc_write(void *opaque, target_phys_addr_t offset,
stellaris_adc_update(s);
}
static CPUReadMemoryFunc * const stellaris_adc_readfn[] = {
stellaris_adc_read,
stellaris_adc_read,
stellaris_adc_read
};
static CPUWriteMemoryFunc * const stellaris_adc_writefn[] = {
stellaris_adc_write,
stellaris_adc_write,
stellaris_adc_write
static const MemoryRegionOps stellaris_adc_ops = {
.read = stellaris_adc_read,
.write = stellaris_adc_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static const VMStateDescription vmstate_stellaris_adc = {
@ -1147,17 +1143,15 @@ static const VMStateDescription vmstate_stellaris_adc = {
static int stellaris_adc_init(SysBusDevice *dev)
{
stellaris_adc_state *s = FROM_SYSBUS(stellaris_adc_state, dev);
int iomemtype;
int n;
for (n = 0; n < 4; n++) {
sysbus_init_irq(dev, &s->irq[n]);
}
iomemtype = cpu_register_io_memory(stellaris_adc_readfn,
stellaris_adc_writefn, s,
DEVICE_NATIVE_ENDIAN);
sysbus_init_mmio(dev, 0x1000, iomemtype);
memory_region_init_io(&s->iomem, &stellaris_adc_ops, s,
"adc", 0x1000);
sysbus_init_mmio_region(dev, &s->iomem);
stellaris_adc_reset(s);
qdev_init_gpio_in(&dev->qdev, stellaris_adc_trigger, 1);
vmstate_register(&dev->qdev, -1, &vmstate_stellaris_adc, s);