Revision cde844fa
| b/hw/grlib_gptimer.c | ||
|---|---|---|
| 68 | 68 |
|
| 69 | 69 |
struct GPTimerUnit {
|
| 70 | 70 |
SysBusDevice busdev; |
| 71 |
MemoryRegion iomem; |
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| 71 | 72 |
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| 72 | 73 |
uint32_t nr_timers; /* Number of timers available */ |
| 73 | 74 |
uint32_t freq_hz; /* System frequency */ |
| ... | ... | |
| 153 | 154 |
} |
| 154 | 155 |
} |
| 155 | 156 |
|
| 156 |
static uint32_t grlib_gptimer_readl(void *opaque, target_phys_addr_t addr) |
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static uint64_t grlib_gptimer_read(void *opaque, target_phys_addr_t addr, |
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unsigned size) |
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{
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GPTimerUnit *unit = opaque; |
| 159 | 161 |
target_phys_addr_t timer_addr; |
| ... | ... | |
| 211 | 213 |
return 0; |
| 212 | 214 |
} |
| 213 | 215 |
|
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static void |
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grlib_gptimer_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
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static void grlib_gptimer_write(void *opaque, target_phys_addr_t addr,
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uint64_t value, unsigned size)
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{
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GPTimerUnit *unit = opaque; |
| 218 | 220 |
target_phys_addr_t timer_addr; |
| ... | ... | |
| 299 | 301 |
trace_grlib_gptimer_writel(-1, addr, value); |
| 300 | 302 |
} |
| 301 | 303 |
|
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static CPUReadMemoryFunc * const grlib_gptimer_read[] = {
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NULL, NULL, grlib_gptimer_readl, |
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}; |
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|
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static CPUWriteMemoryFunc * const grlib_gptimer_write[] = {
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NULL, NULL, grlib_gptimer_writel, |
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static const MemoryRegionOps grlib_gptimer_ops = {
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.read = grlib_gptimer_read, |
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.write = grlib_gptimer_write, |
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.endianness = DEVICE_NATIVE_ENDIAN, |
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.valid = {
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.min_access_size = 4, |
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.max_access_size = 4, |
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}, |
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| 308 | 312 |
}; |
| 309 | 313 |
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| 310 | 314 |
static void grlib_gptimer_reset(DeviceState *d) |
| ... | ... | |
| 340 | 344 |
{
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GPTimerUnit *unit = FROM_SYSBUS(typeof(*unit), dev); |
| 342 | 346 |
unsigned int i; |
| 343 |
int timer_regs; |
|
| 344 | 347 |
|
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assert(unit->nr_timers > 0); |
| 346 | 349 |
assert(unit->nr_timers <= GPTIMER_MAX_TIMERS); |
| ... | ... | |
| 361 | 364 |
ptimer_set_freq(timer->ptimer, unit->freq_hz); |
| 362 | 365 |
} |
| 363 | 366 |
|
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timer_regs = cpu_register_io_memory(grlib_gptimer_read, |
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grlib_gptimer_write, |
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unit, DEVICE_NATIVE_ENDIAN); |
|
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if (timer_regs < 0) {
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return -1; |
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} |
|
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memory_region_init_io(&unit->iomem, &grlib_gptimer_ops, unit, "gptimer", |
|
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UNIT_REG_SIZE + GPTIMER_REG_SIZE * unit->nr_timers); |
|
| 370 | 369 |
|
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sysbus_init_mmio(dev, UNIT_REG_SIZE + GPTIMER_REG_SIZE * unit->nr_timers, |
|
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timer_regs); |
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sysbus_init_mmio_region(dev, &unit->iomem); |
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| 373 | 371 |
return 0; |
| 374 | 372 |
} |
| 375 | 373 |
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