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hw/acpi/piix4: use qdev gpio to wire up sci_irq

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Introduce piix4_pm_init() instance init function and use it to
initialise the separate qdev gpio for the SCI IRQ.

The sci_irq can now be wired up directly using a qdev gpio instead
of having to set the IRQ externally in piix4_pm_initfn().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220528091934.15520-9-mark.cave-ayland@ilande.co.uk>
[PMD: Partially squash 20220528091934.15520-8-mark.cave-ayland@ilande.co.uk]
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Mark Cave-Ayland 2022-05-28 10:02:11 +01:00 • committed by Philippe Mathieu-Daudé
parent d0af99ac12
commit 29786d42ba
4 changed files with 15 additions and 10 deletions
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4
hw/i386/pc_piix.c
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@ -283,9 +283,9 @@ static void pc_init1(MachineState *machine,
PIIX4PMState *piix4_pm;
smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0);
piix4_pm = piix4_pm_initfn(pci_bus, piix3_devfn + 3, 0xb100,
x86ms->gsi[9], smi_irq,
piix4_pm = piix4_pm_initfn(pci_bus, piix3_devfn + 3, 0xb100, smi_irq,
x86_machine_is_smm_enabled(x86ms));
qdev_connect_gpio_out(DEVICE(piix4_pm), 0, x86ms->gsi[9]);
pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c"));
/* TODO: Populate SPD eeprom data. */
smbus_eeprom_init(pcms->smbus, 8, NULL, 0);