haraldwolff/qemu-patch-raspberry4
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m48t59: Convert to isa_register_ioport

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The sysbus interface is as yet unconverted.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Richard Henderson 2011-08-15 15:33:40 -07:00 committed by Avi Kivity
parent d7adb96f83
commit 9936d6e423
1 changed files with 12 additions and 3 deletions
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15
hw/m48t59.c
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@ -73,6 +73,7 @@ struct M48t59State {
typedef struct M48t59ISAState {
ISADevice busdev;
M48t59State state;
MemoryRegion io;
} M48t59ISAState;
typedef struct M48t59SysBusState {
@ -626,6 +627,15 @@ static void m48t59_reset_sysbus(DeviceState *d)
m48t59_reset_common(NVRAM);
}
static const MemoryRegionPortio m48t59_portio[] = {
{0, 4, 1, .read = NVRAM_readb, .write = NVRAM_writeb },
PORTIO_END_OF_LIST(),
};
static const MemoryRegionOps m48t59_io_ops = {
.old_portio = m48t59_portio,
};
/* Initialisation routine */
M48t59State *m48t59_init(qemu_irq IRQ, target_phys_addr_t mem_base,
uint32_t io_base, uint16_t size, int type)
@ -669,10 +679,9 @@ M48t59State *m48t59_init_isa(uint32_t io_base, uint16_t size, int type)
d = DO_UPCAST(M48t59ISAState, busdev, dev);
s = &d->state;
memory_region_init_io(&d->io, &m48t59_io_ops, s, "m48t59", 4);
if (io_base != 0) {
register_ioport_read(io_base, 0x04, 1, NVRAM_readb, s);
register_ioport_write(io_base, 0x04, 1, NVRAM_writeb, s);
isa_init_ioport_range(dev, io_base, 4);
isa_register_ioport(dev, &d->io, io_base);
}
return s;