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integrator/cp: Model CP control registers as sysbus device

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No new features yet, just encapsulation.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-id: 3829c7c7e01cd3ccf15a1198f114e4d675974ae0.1426004843.git.jan.kiszka@siemens.com
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Jan Kiszka 2015-03-11 13:21:06 +00:00 committed by Peter Maydell
parent 0458b7b5b8
commit ffc8542a66
1 changed files with 27 additions and 8 deletions
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35
hw/arm/integratorcp.c
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@ -406,6 +406,18 @@ static int icp_pic_init(SysBusDevice *sbd)
/* CP control registers. */
#define TYPE_ICP_CONTROL_REGS "icp-ctrl-regs"
#define ICP_CONTROL_REGS(obj) \
OBJECT_CHECK(ICPCtrlRegsState, (obj), TYPE_ICP_CONTROL_REGS)
typedef struct ICPCtrlRegsState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion iomem;
} ICPCtrlRegsState;
static uint64_t icp_control_read(void *opaque, hwaddr offset,
unsigned size)
{
@ -444,15 +456,14 @@ static const MemoryRegionOps icp_control_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
static void icp_control_init(hwaddr base)
static void icp_control_init(Object *obj)
{
MemoryRegion *io;
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
ICPCtrlRegsState *s = ICP_CONTROL_REGS(obj);
io = (MemoryRegion *)g_malloc0(sizeof(MemoryRegion));
memory_region_init_io(io, NULL, &icp_control_ops, NULL,
"control", 0x00800000);
memory_region_add_subregion(get_system_memory(), base, io);
/* ??? Save/restore. */
memory_region_init_io(&s->iomem, OBJECT(s), &icp_control_ops, s,
"icp_ctrl_regs", 0x00800000);
sysbus_init_mmio(sbd, &s->iomem);
}
@ -541,7 +552,7 @@ static void integratorcp_init(MachineState *machine)
sysbus_create_simple("pl031", 0x15000000, pic[8]);
sysbus_create_simple("pl011", 0x16000000, pic[1]);
sysbus_create_simple("pl011", 0x17000000, pic[2]);
icp_control_init(0xcb000000);
sysbus_create_simple(TYPE_ICP_CONTROL_REGS, 0xcb000000, NULL);
sysbus_create_simple("pl050_keyboard", 0x18000000, pic[3]);
sysbus_create_simple("pl050_mouse", 0x19000000, pic[4]);
sysbus_create_simple(TYPE_INTEGRATOR_DEBUG, 0x1a000000, 0);
@ -606,10 +617,18 @@ static const TypeInfo icp_pic_info = {
.class_init = icp_pic_class_init,
};
static const TypeInfo icp_ctrl_regs_info = {
.name = TYPE_ICP_CONTROL_REGS,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(ICPCtrlRegsState),
.instance_init = icp_control_init,
};
static void integratorcp_register_types(void)
{
type_register_static(&icp_pic_info);
type_register_static(&core_info);
type_register_static(&icp_ctrl_regs_info);
}
type_init(integratorcp_register_types)