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musicpal: True reset support for GPIO

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Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-09-18 20:51:23 +02:00 • committed by Anthony Liguori
parent 49fedd0d64
commit 30624c926c
1 changed files with 14 additions and 3 deletions
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17
hw/musicpal.c
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@ -1128,8 +1128,12 @@ static CPUWriteMemoryFunc * const musicpal_gpio_writefn[] = {
musicpal_gpio_write, musicpal_gpio_write,
}; };
static void musicpal_gpio_reset(musicpal_gpio_state *s) static void musicpal_gpio_reset(void *opaque)
{ {
musicpal_gpio_state *s = opaque;
s->lcd_brightness = 0;
s->out_state = 0;
s->in_state = 0xffffffff; s->in_state = 0xffffffff;
s->ier = 0; s->ier = 0;
s->imr = 0; s->imr = 0;
@ -1147,6 +1151,7 @@ static int musicpal_gpio_init(SysBusDevice *dev)
musicpal_gpio_writefn, s); musicpal_gpio_writefn, s);
sysbus_init_mmio(dev, MP_GPIO_SIZE, iomemtype); sysbus_init_mmio(dev, MP_GPIO_SIZE, iomemtype);
qemu_register_reset(musicpal_gpio_reset, s);
musicpal_gpio_reset(s); musicpal_gpio_reset(s);
qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out)); qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
@ -1156,6 +1161,13 @@ static int musicpal_gpio_init(SysBusDevice *dev)
return 0; return 0;
} }
static SysBusDeviceInfo musicpal_gpio_info = {
.init = musicpal_gpio_init,
.qdev.name = "musicpal_gpio",
.qdev.size = sizeof(musicpal_gpio_state),
.qdev.reset = musicpal_gpio_reset,
};
/* Keyboard codes & masks */ /* Keyboard codes & masks */
#define KEY_RELEASED 0x80 #define KEY_RELEASED 0x80
#define KEY_CODE 0x7f #define KEY_CODE 0x7f
@ -1446,8 +1458,7 @@ static void musicpal_register_devices(void)
mv88w8618_wlan_init); mv88w8618_wlan_init);
sysbus_register_dev("musicpal_lcd", sizeof(musicpal_lcd_state), sysbus_register_dev("musicpal_lcd", sizeof(musicpal_lcd_state),
musicpal_lcd_init); musicpal_lcd_init);
sysbus_register_dev("musicpal_gpio", sizeof(musicpal_gpio_state), sysbus_register_withprop(&musicpal_gpio_info);
musicpal_gpio_init);
sysbus_register_dev("musicpal_key", sizeof(musicpal_key_state), sysbus_register_dev("musicpal_key", sizeof(musicpal_key_state),
musicpal_key_init); musicpal_key_init);
} }