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-rw-r--r--hw/arm/stellaris.c47
1 files changed, 40 insertions, 7 deletions
diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
index 34c5a86ac2..a2f998bf9e 100644
--- a/hw/arm/stellaris.c
+++ b/hw/arm/stellaris.c
@@ -462,7 +462,10 @@ static void stellaris_sys_instance_init(Object *obj)
s->sysclk = qdev_init_clock_out(DEVICE(s), "SYSCLK");
}
-/* I2C controller. */
+/*
+ * I2C controller.
+ * ??? For now we only implement the master interface.
+ */
#define TYPE_STELLARIS_I2C "stellaris-i2c"
OBJECT_DECLARE_SIMPLE_TYPE(stellaris_i2c_state, STELLARIS_I2C)
@@ -607,10 +610,17 @@ static void stellaris_i2c_write(void *opaque, hwaddr offset,
stellaris_i2c_update(s);
}
-static void stellaris_i2c_reset(stellaris_i2c_state *s)
+static void stellaris_i2c_reset_enter(Object *obj, ResetType type)
{
+ stellaris_i2c_state *s = STELLARIS_I2C(obj);
+
if (s->mcs & STELLARIS_I2C_MCS_BUSBSY)
i2c_end_transfer(s->bus);
+}
+
+static void stellaris_i2c_reset_hold(Object *obj)
+{
+ stellaris_i2c_state *s = STELLARIS_I2C(obj);
s->msa = 0;
s->mcs = 0;
@@ -619,6 +629,12 @@ static void stellaris_i2c_reset(stellaris_i2c_state *s)
s->mimr = 0;
s->mris = 0;
s->mcr = 0;
+}
+
+static void stellaris_i2c_reset_exit(Object *obj)
+{
+ stellaris_i2c_state *s = STELLARIS_I2C(obj);
+
stellaris_i2c_update(s);
}
@@ -658,8 +674,6 @@ static void stellaris_i2c_init(Object *obj)
memory_region_init_io(&s->iomem, obj, &stellaris_i2c_ops, s,
"i2c", 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
- /* ??? For now we only implement the master interface. */
- stellaris_i2c_reset(s);
}
/* Analogue to Digital Converter. This is only partially implemented,
@@ -773,8 +787,9 @@ static void stellaris_adc_trigger(void *opaque, int irq, int level)
}
}
-static void stellaris_adc_reset(StellarisADCState *s)
+static void stellaris_adc_reset_hold(Object *obj)
{
+ StellarisADCState *s = STELLARIS_ADC(obj);
int n;
for (n = 0; n < 4; n++) {
@@ -946,7 +961,6 @@ static void stellaris_adc_init(Object *obj)
memory_region_init_io(&s->iomem, obj, &stellaris_adc_ops, s,
"adc", 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
- stellaris_adc_reset(s);
qdev_init_gpio_in(dev, stellaris_adc_trigger, 1);
}
@@ -1017,6 +1031,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
* 400fe000 system control
*/
+ Object *soc_container;
DeviceState *gpio_dev[7], *nvic;
qemu_irq gpio_in[7][8];
qemu_irq gpio_out[7][8];
@@ -1038,6 +1053,9 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
flash_size = (((board->dc0 & 0xffff) + 1) << 1) * 1024;
sram_size = ((board->dc0 >> 18) + 1) * 1024;
+ soc_container = object_new("container");
+ object_property_add_child(OBJECT(ms), "soc", soc_container);
+
/* Flash programming is done via the SCU, so pretend it is ROM. */
memory_region_init_rom(flash, NULL, "stellaris.flash", flash_size,
&error_fatal);
@@ -1052,6 +1070,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
* need its sysclk output.
*/
ssys_dev = qdev_new(TYPE_STELLARIS_SYS);
+ object_property_add_child(soc_container, "sys", OBJECT(ssys_dev));
/*
* Most devices come preprogrammed with a MAC address in the user data.
@@ -1078,6 +1097,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
sysbus_realize_and_unref(SYS_BUS_DEVICE(ssys_dev), &error_fatal);
nvic = qdev_new(TYPE_ARMV7M);
+ object_property_add_child(soc_container, "v7m", OBJECT(nvic));
qdev_prop_set_uint32(nvic, "num-irq", NUM_IRQ_LINES);
qdev_prop_set_uint8(nvic, "num-prio-bits", NUM_PRIO_BITS);
qdev_prop_set_string(nvic, "cpu-type", ms->cpu_type);
@@ -1111,6 +1131,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
dev = qdev_new(TYPE_STELLARIS_GPTM);
sbd = SYS_BUS_DEVICE(dev);
+ object_property_add_child(soc_container, "gptm[*]", OBJECT(dev));
qdev_connect_clock_in(dev, "clk",
qdev_get_clock_out(ssys_dev, "SYSCLK"));
sysbus_realize_and_unref(sbd, &error_fatal);
@@ -1124,7 +1145,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
if (board->dc1 & (1 << 3)) { /* watchdog present */
dev = qdev_new(TYPE_LUMINARY_WATCHDOG);
-
+ object_property_add_child(soc_container, "wdg", OBJECT(dev));
qdev_connect_clock_in(dev, "WDOGCLK",
qdev_get_clock_out(ssys_dev, "SYSCLK"));
@@ -1164,6 +1185,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
SysBusDevice *sbd;
dev = qdev_new("pl011_luminary");
+ object_property_add_child(soc_container, "uart[*]", OBJECT(dev));
sbd = SYS_BUS_DEVICE(dev);
qdev_prop_set_chr(dev, "chardev", serial_hd(i));
sysbus_realize_and_unref(sbd, &error_fatal);
@@ -1257,10 +1279,13 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
&error_fatal);
ssddev = qdev_new("ssd0323");
+ object_property_add_child(OBJECT(ms), "oled", OBJECT(ssddev));
qdev_prop_set_uint8(ssddev, "cs", 1);
qdev_realize_and_unref(ssddev, bus, &error_fatal);
gpio_d_splitter = qdev_new(TYPE_SPLIT_IRQ);
+ object_property_add_child(OBJECT(ms), "splitter",
+ OBJECT(gpio_d_splitter));
qdev_prop_set_uint32(gpio_d_splitter, "num-lines", 2);
qdev_realize_and_unref(gpio_d_splitter, NULL, &error_fatal);
qdev_connect_gpio_out(
@@ -1281,6 +1306,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
DeviceState *enet;
enet = qdev_new("stellaris_enet");
+ object_property_add_child(soc_container, "enet", OBJECT(enet));
if (nd) {
qdev_set_nic_properties(enet, nd);
} else {
@@ -1300,6 +1326,7 @@ static void stellaris_init(MachineState *ms, stellaris_board_info *board)
DeviceState *gpad;
gpad = qdev_new(TYPE_STELLARIS_GAMEPAD);
+ object_property_add_child(OBJECT(ms), "gamepad", OBJECT(gpad));
for (i = 0; i < ARRAY_SIZE(gpad_keycode); i++) {
qlist_append_int(gpad_keycode_list, gpad_keycode[i]);
}
@@ -1396,7 +1423,11 @@ type_init(stellaris_machine_init)
static void stellaris_i2c_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
+ ResettableClass *rc = RESETTABLE_CLASS(klass);
+ rc->phases.enter = stellaris_i2c_reset_enter;
+ rc->phases.hold = stellaris_i2c_reset_hold;
+ rc->phases.exit = stellaris_i2c_reset_exit;
dc->vmsd = &vmstate_stellaris_i2c;
}
@@ -1411,7 +1442,9 @@ static const TypeInfo stellaris_i2c_info = {
static void stellaris_adc_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
+ ResettableClass *rc = RESETTABLE_CLASS(klass);
+ rc->phases.hold = stellaris_adc_reset_hold;
dc->vmsd = &vmstate_stellaris_adc;
}
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-22 14:27:49 +0000