According to the AST2700 datasheet, the INTC(CPU DIE) controller has 16KB
(0x4000) of register space, and the INTCIO (I/O DIE) controller has 1KB (0x400)
of register space.
Introduced a new class attribute "mem_size" to set different memory sizes for
the INTC models in AST2700.
Signed-off-by: Jamin Lin <jamin_...@aspeedtech.com>
---
include/hw/intc/aspeed_intc.h | 3 +++
hw/intc/aspeed_intc.c | 9 ++++++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/include/hw/intc/aspeed_intc.h b/include/hw/intc/aspeed_intc.h
index 18cb43476c..03324f05ab 100644
--- a/include/hw/intc/aspeed_intc.h
+++ b/include/hw/intc/aspeed_intc.h
@@ -25,6 +25,8 @@ struct AspeedINTCState {
/*< public >*/
MemoryRegion iomem;
+ MemoryRegion iomem_container;
+
uint32_t regs[ASPEED_INTC_NR_REGS];
OrIRQState orgates[ASPEED_INTC_NR_INTS];
qemu_irq output_pins[ASPEED_INTC_NR_INTS];
@@ -39,6 +41,7 @@ struct AspeedINTCClass {
uint32_t num_lines;
uint32_t num_ints;
+ uint64_t mem_size;
};
#endif /* ASPEED_INTC_H */
diff --git a/hw/intc/aspeed_intc.c b/hw/intc/aspeed_intc.c
index 126b711b94..033b574c1e 100644
--- a/hw/intc/aspeed_intc.c
+++ b/hw/intc/aspeed_intc.c
@@ -302,10 +302,16 @@ static void aspeed_intc_realize(DeviceState *dev, Error
**errp)
AspeedINTCClass *aic = ASPEED_INTC_GET_CLASS(s);
int i;
+ memory_region_init(&s->iomem_container, OBJECT(s),
+ TYPE_ASPEED_INTC ".container", aic->mem_size);
+
+ sysbus_init_mmio(sbd, &s->iomem_container);
+
memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_intc_ops, s,
TYPE_ASPEED_INTC ".regs", ASPEED_INTC_NR_REGS << 2);
- sysbus_init_mmio(sbd, &s->iomem);
+ memory_region_add_subregion(&s->iomem_container, 0x0, &s->iomem);
+
qdev_init_gpio_in(dev, aspeed_intc_set_irq, aic->num_ints);
for (i = 0; i < aic->num_ints; i++) {
@@ -344,6 +350,7 @@ static void aspeed_2700_intc_class_init(ObjectClass *klass,
void *data)
dc->desc = "ASPEED 2700 INTC Controller";
aic->num_lines = 32;
aic->num_ints = 9;
+ aic->mem_size = 0x4000;
}
static const TypeInfo aspeed_2700_intc_info = {
--
2.34.1
