Add GPIO model for AST2700 GPIO support.
The GPIO controller registers base address is start at
0x14C0_B000 and its address space is 0x1000.
The AST2700 GPIO controller interrupt is connected to
GICINT130_INTC at bit 18.
Signed-off-by: Jamin Lin <jamin_...@aspeedtech.com>
---
hw/arm/aspeed_ast27x0.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c
index 761ee11657..dca660eb6b 100644
--- a/hw/arm/aspeed_ast27x0.c
+++ b/hw/arm/aspeed_ast27x0.c
@@ -62,6 +62,7 @@ static const hwaddr aspeed_soc_ast2700_memmap[] = {
[ASPEED_GIC_REDIST] = 0x12280000,
[ASPEED_DEV_ADC] = 0x14C00000,
[ASPEED_DEV_I2C] = 0x14C0F000,
+ [ASPEED_DEV_GPIO] = 0x14C0B000,
};
#define AST2700_MAX_IRQ 288
@@ -87,8 +88,7 @@ static const int aspeed_soc_ast2700_irqmap[] = {
[ASPEED_DEV_ADC] = 130,
[ASPEED_DEV_XDMA] = 5,
[ASPEED_DEV_EMMC] = 15,
- [ASPEED_DEV_GPIO] = 11,
- [ASPEED_DEV_GPIO_1_8V] = 130,
+ [ASPEED_DEV_GPIO] = 130,
[ASPEED_DEV_RTC] = 13,
[ASPEED_DEV_TIMER1] = 16,
[ASPEED_DEV_TIMER2] = 17,
@@ -124,7 +124,7 @@ static const int aspeed_soc_ast2700_gic128_intcmap[] = {
static const int aspeed_soc_ast2700_gic130_intcmap[] = {
[ASPEED_DEV_I2C] = 0,
[ASPEED_DEV_ADC] = 16,
- [ASPEED_DEV_GPIO_1_8V] = 18,
+ [ASPEED_DEV_GPIO] = 18,
};
/* GICINT 131 */
@@ -373,6 +373,9 @@ static void aspeed_soc_ast2700_init(Object *obj)
snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
object_initialize_child(obj, "i2c", &s->i2c, typename);
+
+ snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
+ object_initialize_child(obj, "gpio", &s->gpio, typename);
}
/*
@@ -658,6 +661,15 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev,
Error **errp)
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);
}
+ /* GPIO */
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
+ return;
+ }
+ aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->gpio), 0,
+ sc->memmap[ASPEED_DEV_GPIO]);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
+ aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
+
create_unimplemented_device("ast2700.dpmcu", 0x11000000, 0x40000);
create_unimplemented_device("ast2700.iomem0", 0x12000000, 0x01000000);
create_unimplemented_device("ast2700.iomem1", 0x14000000, 0x01000000);
--
2.34.1
