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authorBALATON Zoltan <balaton@eik.bme.hu>2021-01-09 21:16:36 +0100
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-02-21 19:42:34 +0100
commit3dc31cb849053c2748e0cf0595bd25475572b28a (patch)
tree494bd45b19958a0e8e566cac7a4c51bd9265c5b7 /hw/isa/vt82c686.c
parent9859ad1c4b6d6d505ce202e42fd5a74a7ef6e149 (diff)
vt82c686: Move creation of ISA devices to the ISA bridge
Currently the ISA devices that are part of the VIA south bridge, superio chip are wired up by board code. Move creation of these ISA devices to the VIA ISA bridge model so that board code does not need to access ISA bus. This also allows vt82c686b-superio to be made internal to vt82c686 which allows implementing its configuration via registers in subseqent commits. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <bf9400cc8e4ddd3129aa5678de4d3cf38384805f.1610223397.git.balaton@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'hw/isa/vt82c686.c')
-rw-r--r--hw/isa/vt82c686.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index 7e5fa060f5..a37f1931ce 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -16,6 +16,11 @@
#include "hw/qdev-properties.h"
#include "hw/isa/isa.h"
#include "hw/isa/superio.h"
+#include "hw/intc/i8259.h"
+#include "hw/irq.h"
+#include "hw/dma/i8257.h"
+#include "hw/timer/i8254.h"
+#include "hw/rtc/mc146818rtc.h"
#include "migration/vmstate.h"
#include "hw/isa/apm.h"
#include "hw/acpi/acpi.h"
@@ -307,9 +312,16 @@ OBJECT_DECLARE_SIMPLE_TYPE(VT82C686BISAState, VT82C686B_ISA)
struct VT82C686BISAState {
PCIDevice dev;
+ qemu_irq cpu_intr;
SuperIOConfig superio_cfg;
};
+static void via_isa_request_i8259_irq(void *opaque, int irq, int level)
+{
+ VT82C686BISAState *s = opaque;
+ qemu_set_irq(s->cpu_intr, level);
+}
+
static void vt82c686b_write_config(PCIDevice *d, uint32_t addr,
uint32_t val, int len)
{
@@ -365,10 +377,18 @@ static void vt82c686b_realize(PCIDevice *d, Error **errp)
VT82C686BISAState *s = VT82C686B_ISA(d);
DeviceState *dev = DEVICE(d);
ISABus *isa_bus;
+ qemu_irq *isa_irq;
int i;
+ qdev_init_gpio_out(dev, &s->cpu_intr, 1);
+ isa_irq = qemu_allocate_irqs(via_isa_request_i8259_irq, s, 1);
isa_bus = isa_bus_new(dev, get_system_memory(), pci_address_space_io(d),
&error_fatal);
+ isa_bus_irqs(isa_bus, i8259_init(isa_bus, *isa_irq));
+ i8254_pit_init(isa_bus, 0x40, 0, NULL);
+ i8257_dma_init(isa_bus, 0);
+ isa_create_simple(isa_bus, TYPE_VT82C686B_SUPERIO);
+ mc146818_rtc_init(isa_bus, 2000, NULL);
for (i = 0; i < PCI_CONFIG_HEADER_SIZE; i++) {
if (i < PCI_COMMAND || i >= PCI_REVISION_ID) {