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next-cube: add rtc-power-out named gpio to trigger the NEXT_PWR_I interrupt

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This allows us to decouple the next-pc and next-rtc devices from each
other in next_rtc_data_in_irq().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20241222130012.1013374-31-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
This commit is contained in:
Mark Cave-Ayland 2024-12-22 13:00:09 +00:00 • committed by Thomas Huth
parent c1322be69d
commit eb1f03642d
1 changed files with 6 additions and 4 deletions
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10
hw/m68k/next-cube.c
View file

@ -58,6 +58,7 @@ struct NeXTRTC {
uint8_t retval;
qemu_irq data_out_irq;
qemu_irq power_irq;
};
#define TYPE_NEXT_SCSI "next-scsi"
@ -106,7 +107,6 @@ struct NeXTPC {
ESCCState escc;
NeXTRTC rtc;
qemu_irq rtc_power_irq;
qemu_irq rtc_data_irq;
qemu_irq rtc_cmd_reset_irq;
};
@ -184,7 +184,6 @@ static bool next_rtc_cmd_is_write(uint8_t cmd)
static void next_rtc_data_in_irq(void *opaque, int n, int level)
{
NeXTRTC *rtc = NEXT_RTC(opaque);
NeXTPC *s = NEXT_PC(container_of(rtc, NeXTPC, rtc));
if (rtc->phase < 8) {
rtc->command = (rtc->command << 1) | level;
@ -256,7 +255,7 @@ static void next_rtc_data_in_irq(void *opaque, int n, int level)
if (rtc->value & 0x04) {
/* clear FTU */
rtc->status = rtc->status & (~0x18);
qemu_irq_lower(s->rtc_power_irq);
qemu_irq_lower(rtc->power_irq);
}
}
}
@ -1044,6 +1043,8 @@ static void next_rtc_init(Object *obj)
"rtc-data-out", 1);
qdev_init_gpio_in_named(DEVICE(obj), next_rtc_cmd_reset_irq,
"rtc-cmd-reset", 1);
qdev_init_gpio_out_named(DEVICE(obj), &rtc->power_irq,
"rtc-power-out", 1);
}
static const VMStateDescription next_rtc_vmstate = {
@ -1156,6 +1157,8 @@ static void next_pc_realize(DeviceState *dev, Error **errp)
"rtc-data-in", 0));
qdev_connect_gpio_out_named(dev, "rtc-cmd-reset", 0,
qdev_get_gpio_in_named(d, "rtc-cmd-reset", 0));
qdev_connect_gpio_out_named(d, "rtc-power-out", 0,
qdev_get_gpio_in(dev, NEXT_PWR_I));
}
static void next_pc_init(Object *obj)
@ -1191,7 +1194,6 @@ static void next_pc_init(Object *obj)
object_initialize_child(obj, "rtc", &s->rtc, TYPE_NEXT_RTC);
s->rtc_power_irq = qdev_get_gpio_in(DEVICE(obj), NEXT_PWR_I);
qdev_init_gpio_in_named(DEVICE(obj), next_pc_rtc_data_in_irq,
"rtc-data-in", 1);
qdev_init_gpio_out_named(DEVICE(obj), &s->rtc_data_irq,