/*
* QEMU model of the Milkymist System Controller.
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
#include "sysemu.h"
#include "trace.h"
#include "qemu-timer.h"
+#include "ptimer.h"
#include "qemu-error.h"
enum {
};
enum {
- R_GPIO_IN = 0,
+ R_GPIO_IN = 0,
R_GPIO_OUT,
R_GPIO_INTEN,
- R_RESERVED0,
- R_TIMER0_CONTROL,
+ R_TIMER0_CONTROL = 4,
R_TIMER0_COMPARE,
R_TIMER0_COUNTER,
- R_RESERVED1,
- R_TIMER1_CONTROL,
+ R_TIMER1_CONTROL = 8,
R_TIMER1_COMPARE,
R_TIMER1_COUNTER,
- R_RESERVED2,
- R_RESERVED3,
- R_ICAP,
+ R_ICAP = 16,
+ R_DBG_SCRATCHPAD = 20,
+ R_DBG_WRITE_LOCK,
+ R_CLK_FREQUENCY = 29,
R_CAPABILITIES,
R_SYSTEM_ID,
R_MAX
case R_TIMER1_CONTROL:
case R_TIMER1_COMPARE:
case R_ICAP:
+ case R_DBG_SCRATCHPAD:
+ case R_DBG_WRITE_LOCK:
+ case R_CLK_FREQUENCY:
case R_CAPABILITIES:
case R_SYSTEM_ID:
r = s->regs[addr];
case R_GPIO_INTEN:
case R_TIMER0_COUNTER:
case R_TIMER1_COUNTER:
+ case R_DBG_SCRATCHPAD:
s->regs[addr] = value;
break;
case R_TIMER0_COMPARE:
case R_ICAP:
sysctl_icap_write(s, value);
break;
+ case R_DBG_WRITE_LOCK:
+ s->regs[addr] = 1;
+ break;
case R_SYSTEM_ID:
qemu_system_reset_request();
break;
case R_GPIO_IN:
+ case R_CLK_FREQUENCY:
case R_CAPABILITIES:
error_report("milkymist_sysctl: write to read-only register 0x"
TARGET_FMT_plx, addr << 2);
/* defaults */
s->regs[R_ICAP] = ICAP_READY;
s->regs[R_SYSTEM_ID] = s->systemid;
+ s->regs[R_CLK_FREQUENCY] = s->freq_hz;
s->regs[R_CAPABILITIES] = s->capabilities;
s->regs[R_GPIO_IN] = s->strappings;
}
}
};
-static SysBusDeviceInfo milkymist_sysctl_info = {
- .init = milkymist_sysctl_init,
- .qdev.name = "milkymist-sysctl",
- .qdev.size = sizeof(MilkymistSysctlState),
- .qdev.vmsd = &vmstate_milkymist_sysctl,
- .qdev.reset = milkymist_sysctl_reset,
- .qdev.props = (Property[]) {
- DEFINE_PROP_UINT32("frequency", MilkymistSysctlState,
- freq_hz, 80000000),
- DEFINE_PROP_UINT32("capabilities", MilkymistSysctlState,
- capabilities, 0x00000000),
- DEFINE_PROP_UINT32("systemid", MilkymistSysctlState,
- systemid, 0x10014d31),
- DEFINE_PROP_UINT32("gpio_strappings", MilkymistSysctlState,
- strappings, 0x00000001),
- DEFINE_PROP_END_OF_LIST(),
- }
+static Property milkymist_sysctl_properties[] = {
+ DEFINE_PROP_UINT32("frequency", MilkymistSysctlState,
+ freq_hz, 80000000),
+ DEFINE_PROP_UINT32("capabilities", MilkymistSysctlState,
+ capabilities, 0x00000000),
+ DEFINE_PROP_UINT32("systemid", MilkymistSysctlState,
+ systemid, 0x10014d31),
+ DEFINE_PROP_UINT32("gpio_strappings", MilkymistSysctlState,
+ strappings, 0x00000001),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void milkymist_sysctl_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = milkymist_sysctl_init;
+ dc->reset = milkymist_sysctl_reset;
+ dc->vmsd = &vmstate_milkymist_sysctl;
+ dc->props = milkymist_sysctl_properties;
+}
+
+static TypeInfo milkymist_sysctl_info = {
+ .name = "milkymist-sysctl",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(MilkymistSysctlState),
+ .class_init = milkymist_sysctl_class_init,
};
-static void milkymist_sysctl_register(void)
+static void milkymist_sysctl_register_types(void)
{
- sysbus_register_withprop(&milkymist_sysctl_info);
+ type_register_static(&milkymist_sysctl_info);
}
-device_init(milkymist_sysctl_register)
+type_init(milkymist_sysctl_register_types)