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| author | Bernhard Beschow <shentey@gmail.com> | 2022-10-22 17:04:26 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2022-10-31 11:32:07 +0100 |
| commit | 503a35e7fdb75aef73d25c43589afcdff6d03ccf (patch) | |
| tree | 46777ddefd9c352bd4abddf9828ae5cc5173d995 /hw/isa | |
| parent | a6d89b454cec2de235595ea311d3cc3c49c3aaaa (diff) | |
| download | qemu-503a35e7fdb75aef73d25c43589afcdff6d03ccf.zip qemu-503a35e7fdb75aef73d25c43589afcdff6d03ccf.tar.gz qemu-503a35e7fdb75aef73d25c43589afcdff6d03ccf.tar.bz2 | |
hw/i386/pc: Create DMA controllers in south bridges
Just like in the real hardware (and in PIIX4), create the DMA
controllers in the south bridges.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221022150508.26830-2-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'hw/isa')
| -rw-r--r-- | hw/isa/Kconfig | 2 | ||||
| -rw-r--r-- | hw/isa/lpc_ich9.c | 3 | ||||
| -rw-r--r-- | hw/isa/piix3.c | 9 |
3 files changed, 12 insertions, 2 deletions
diff --git a/hw/isa/Kconfig b/hw/isa/Kconfig index 20de7e9..60aad28 100644 --- a/hw/isa/Kconfig +++ b/hw/isa/Kconfig @@ -33,6 +33,7 @@ config PC87312 config PIIX3 bool + select I8257 select ISA_BUS config PIIX4 @@ -68,6 +69,7 @@ config LPC_ICH9 bool # For historical reasons, SuperIO devices are created in the board # for ICH9. + select I8257 select ISA_BUS select ACPI_SMBUS select ACPI_X86_ICH diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c index 4553b59..8694e58 100644 --- a/hw/isa/lpc_ich9.c +++ b/hw/isa/lpc_ich9.c @@ -34,6 +34,7 @@ #include "qapi/error.h" #include "qapi/visitor.h" #include "qemu/range.h" +#include "hw/dma/i8257.h" #include "hw/isa/isa.h" #include "migration/vmstate.h" #include "hw/irq.h" @@ -722,6 +723,8 @@ static void ich9_lpc_realize(PCIDevice *d, Error **errp) qdev_init_gpio_out_named(dev, lpc->gsi, ICH9_GPIO_GSI, GSI_NUM_PINS); isa_bus_irqs(isa_bus, lpc->gsi); + + i8257_dma_init(isa_bus, 0); } static bool ich9_rst_cnt_needed(void *opaque) diff --git a/hw/isa/piix3.c b/hw/isa/piix3.c index 48f9ab1..44a9998 100644 --- a/hw/isa/piix3.c +++ b/hw/isa/piix3.c @@ -25,6 +25,7 @@ #include "qemu/osdep.h" #include "qemu/range.h" #include "qapi/error.h" +#include "hw/dma/i8257.h" #include "hw/southbridge/piix.h" #include "hw/irq.h" #include "hw/isa/isa.h" @@ -295,9 +296,11 @@ static const MemoryRegionOps rcr_ops = { static void pci_piix3_realize(PCIDevice *dev, Error **errp) { PIIX3State *d = PIIX3_PCI_DEVICE(dev); + ISABus *isa_bus; - if (!isa_bus_new(DEVICE(d), get_system_memory(), - pci_address_space_io(dev), errp)) { + isa_bus = isa_bus_new(DEVICE(d), get_system_memory(), + pci_address_space_io(dev), errp); + if (!isa_bus) { return; } @@ -307,6 +310,8 @@ static void pci_piix3_realize(PCIDevice *dev, Error **errp) PIIX_RCR_IOPORT, &d->rcr_mem, 1); qemu_register_reset(piix3_reset, d); + + i8257_dma_init(isa_bus, 0); } static void build_pci_isa_aml(AcpiDevAmlIf *adev, Aml *scope) |