[12/12] qdev/isa: convert real time clock

diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c
index 5c8676e..2741139 100644
--- a/hw/mc146818rtc.c
+++ b/hw/mc146818rtc.c
@@ -63,10 +63,11 @@ 
 #define REG_C_AF   0x20
 
 struct RTCState {
+    ISADevice dev;
     uint8_t cmos_data[128];
     uint8_t cmos_index;
     struct tm current_tm;
-    int base_year;
+    uint32_t base_year;
     qemu_irq irq;
     qemu_irq sqw_irq;
     int it_shift;
@@ -588,20 +589,19 @@  static void rtc_reset(void *opaque)
 #endif
 }
 
-RTCState *rtc_init_sqw(int base, qemu_irq irq, qemu_irq sqw_irq, int base_year)
+static int rtc_initfn(ISADevice *dev)
 {
-    RTCState *s;
+    RTCState *s = DO_UPCAST(RTCState, dev, dev);
+    int base = 0x70;
+    int isairq = 8;
 
-    s = qemu_mallocz(sizeof(RTCState));
+    isa_init_irq(dev, &s->irq, isairq);
 
-    s->irq = irq;
-    s->sqw_irq = sqw_irq;
     s->cmos_data[RTC_REG_A] = 0x26;
     s->cmos_data[RTC_REG_B] = 0x02;
     s->cmos_data[RTC_REG_C] = 0x00;
     s->cmos_data[RTC_REG_D] = 0x80;
 
-    s->base_year = base_year;
     rtc_set_date_from_host(s);
 
     s->periodic_timer = qemu_new_timer(vm_clock,
@@ -627,14 +627,35 @@  RTCState *rtc_init_sqw(int base, qemu_irq irq, qemu_irq sqw_irq, int base_year)
         register_savevm("mc146818rtc-td", base, 1, rtc_save_td, rtc_load_td, s);
 #endif
     qemu_register_reset(rtc_reset, s);
-
-    return s;
+    return 0;
 }
 
-RTCState *rtc_init(int base, qemu_irq irq, int base_year)
+RTCState *rtc_init(int base_year)
+{
+    ISADevice *dev;
+
+    dev = isa_create("mc146818rtc");
+    qdev_prop_set_uint32(&dev->qdev, "base_year", base_year);
+    qdev_init(&dev->qdev);
+    return DO_UPCAST(RTCState, dev, dev);
+}
+
+static ISADeviceInfo mc146818rtc_info = {
+    .qdev.name     = "mc146818rtc",
+    .qdev.size     = sizeof(RTCState),
+    .qdev.no_user  = 1,
+    .init          = rtc_initfn,
+    .qdev.props    = (Property[]) {
+        DEFINE_PROP_UINT32("base_year", RTCState, base_year, 1980),
+        DEFINE_PROP_END_OF_LIST(),
+    }
+};
+
+static void mc146818rtc_register(void)
 {
-    return rtc_init_sqw(base, irq, NULL, base_year);
+    isa_qdev_register(&mc146818rtc_info);
 }
+device_init(mc146818rtc_register)
 
 /* Memory mapped interface */
 static uint32_t cmos_mm_readb (void *opaque, target_phys_addr_t addr)
diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c
index 1cbd947..d62a584 100644
--- a/hw/mips_jazz.c
+++ b/hw/mips_jazz.c
@@ -241,7 +241,7 @@  void mips_jazz_init (ram_addr_t ram_size,
     fdctrl_init_sysbus(rc4030[1], 0, 0x80003000, fds);
 
     /* Real time clock */
-    rtc_init(0x70, i8259[8], 1980);
+    rtc_init(1980);
     s_rtc = cpu_register_io_memory(rtc_read, rtc_write, env);
     cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);
 
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index 32c7102..25e32bf 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -923,7 +923,7 @@  void mips_malta_init (ram_addr_t ram_size,
     /* Super I/O */
     isa_dev = isa_create_simple("i8042");
  
-    rtc_state = rtc_init(0x70, isa_reserve_irq(8), 2000);
+    rtc_state = rtc_init(2000);
     serial_init(0x3f8, isa_reserve_irq(4), 115200, serial_hds[0]);
     serial_init(0x2f8, isa_reserve_irq(3), 115200, serial_hds[1]);
     if (parallel_hds[0])
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
index ae265a0..d801417 100644
--- a/hw/mips_r4k.c
+++ b/hw/mips_r4k.c
@@ -244,7 +244,7 @@  void mips_r4k_init (ram_addr_t ram_size,
     isa_bus_new(NULL);
     isa_bus_irqs(i8259);
 
-    rtc_state = rtc_init(0x70, i8259[8], 2000);
+    rtc_state = rtc_init(2000);
 
     /* Register 64 KB of ISA IO space at 0x14000000 */
     isa_mmio_init(0x14000000, 0x00010000);
diff --git a/hw/pc.c b/hw/pc.c
index 9497f71..d96d756 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -1313,7 +1313,7 @@  static void pc_init1(ram_addr_t ram_size,
         }
     }
 
-    rtc_state = rtc_init(0x70, isa_reserve_irq(8), 2000);
+    rtc_state = rtc_init(2000);
 
     qemu_register_boot_set(pc_boot_set, rtc_state);
 
diff --git a/hw/pc.h b/hw/pc.h
index d80d3a5..c9cdd4a 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -81,8 +81,7 @@  void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
 
 typedef struct RTCState RTCState;
 
-RTCState *rtc_init(int base, qemu_irq irq, int base_year);
-RTCState *rtc_init_sqw(int base, qemu_irq irq, qemu_irq sqw_irq, int base_year);
+RTCState *rtc_init(int base_year);
 RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq,
                       int base_year);
 void rtc_set_memory(RTCState *s, int addr, int val);
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index 0bab6d7..2b39f4d 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -680,7 +680,7 @@  static void ppc_prep_init (ram_addr_t ram_size,
     pci_vga_init(pci_bus, 0, 0);
     //    openpic = openpic_init(0x00000000, 0xF0000000, 1);
     //    pit = pit_init(0x40, i8259[0]);
-    rtc_init(0x70, i8259[8], 2000);
+    rtc_init(2000);
 
     serial_init(0x3f8, i8259[4], 115200, serial_hds[0]);
     nb_nics1 = nb_nics;