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acpi: rtc: use a single crs range

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Use a single io range for _CRS instead of two,
following what real hardware does.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200515150421.25479-4-kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2020-05-15 17:04:08 +02:00 committed by Michael S. Tsirkin
parent df9b9b42cd
commit f592b94f3c
1 changed files with 5 additions and 3 deletions
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8
hw/rtc/mc146818rtc.c
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@ -1013,12 +1013,14 @@ static void rtc_build_aml(ISADevice *isadev, Aml *scope)
Aml *dev;
Aml *crs;
/*
* Reserving 8 io ports here, following what physical hardware
* does, even though qemu only responds to the first two ports.
*/
crs = aml_resource_template();
aml_append(crs, aml_io(AML_DECODE16, RTC_ISA_BASE, RTC_ISA_BASE,
0x10, 0x02));
0x01, 0x08));
aml_append(crs, aml_irq_no_flags(RTC_ISA_IRQ));
aml_append(crs, aml_io(AML_DECODE16, RTC_ISA_BASE + 2, RTC_ISA_BASE + 2,
0x02, 0x06));
dev = aml_device("RTC");
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0B00")));