[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 2/2] via-ide: Fix fuloong2e support
From: |
Guenter Roeck |
Subject: |
Re: [PATCH 2/2] via-ide: Fix fuloong2e support |
Date: |
Thu, 24 Dec 2020 16:37:45 -0800 |
User-agent: |
Mutt/1.9.4 (2018-02-28) |
On Fri, Dec 25, 2020 at 12:23:37AM +0100, BALATON Zoltan wrote:
> From: Guenter Roeck <linux@roeck-us.net>
>
> Fuloong2e needs to use legacy mode for IDE support to work with Linux.
> Add property to via-ide driver to make the mode configurable, and set
> legacy mode for Fuloong2e.
>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> [balaton: Use bit in flags for property, add comment for missing BAR4]
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Guenter Roeck <linux@roeck-us.net>
> ---
> hw/ide/via.c | 19 +++++++++++++++++--
> hw/mips/fuloong2e.c | 4 +++-
> 2 files changed, 20 insertions(+), 3 deletions(-)
>
> diff --git a/hw/ide/via.c b/hw/ide/via.c
> index be09912b33..7d54d7e829 100644
> --- a/hw/ide/via.c
> +++ b/hw/ide/via.c
> @@ -26,6 +26,7 @@
>
> #include "qemu/osdep.h"
> #include "hw/pci/pci.h"
> +#include "hw/qdev-properties.h"
> #include "migration/vmstate.h"
> #include "qemu/module.h"
> #include "sysemu/dma.h"
> @@ -185,12 +186,19 @@ static void via_ide_realize(PCIDevice *dev, Error
> **errp)
> &d->bus[1], "via-ide1-cmd", 4);
> pci_register_bar(dev, 3, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd_bar[1]);
>
> - bmdma_setup_bar(d);
> - pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
> + if (!(d->flags & BIT(PCI_IDE_LEGACY_MODE))) {
> + /* Missing BAR4 will make Linux driver fall back to legacy PIO mode
> */
> + bmdma_setup_bar(d);
> + pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
> + }
>
> qdev_init_gpio_in(ds, via_ide_set_irq, 2);
> for (i = 0; i < 2; i++) {
> ide_bus_new(&d->bus[i], sizeof(d->bus[i]), ds, i, 2);
> + if (d->flags & BIT(PCI_IDE_LEGACY_MODE)) {
> + ide_init_ioport(&d->bus[i], NULL, i ? 0x170 : 0x1f0,
> + i ? 0x376 : 0x3f6);
> + }
> ide_init2(&d->bus[i], qdev_get_gpio_in(ds, i));
>
> bmdma_init(&d->bus[i], &d->bmdma[i], d);
> @@ -210,6 +218,12 @@ static void via_ide_exitfn(PCIDevice *dev)
> }
> }
>
> +static Property via_ide_properties[] = {
> + DEFINE_PROP_BIT("legacy_mode", PCIIDEState, flags, PCI_IDE_LEGACY_MODE,
> + false),
> + DEFINE_PROP_END_OF_LIST(),
> +};
> +
> static void via_ide_class_init(ObjectClass *klass, void *data)
> {
> DeviceClass *dc = DEVICE_CLASS(klass);
> @@ -223,6 +237,7 @@ static void via_ide_class_init(ObjectClass *klass, void
> *data)
> k->device_id = PCI_DEVICE_ID_VIA_IDE;
> k->revision = 0x06;
> k->class_id = PCI_CLASS_STORAGE_IDE;
> + device_class_set_props(dc, via_ide_properties);
> set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
> }
>
> diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
> index 45c596f4fe..f0733e87b7 100644
> --- a/hw/mips/fuloong2e.c
> +++ b/hw/mips/fuloong2e.c
> @@ -253,7 +253,9 @@ static void vt82c686b_southbridge_init(PCIBus *pci_bus,
> int slot, qemu_irq intc,
> /* Super I/O */
> isa_create_simple(isa_bus, TYPE_VT82C686B_SUPERIO);
>
> - dev = pci_create_simple(pci_bus, PCI_DEVFN(slot, 1), "via-ide");
> + dev = pci_new(PCI_DEVFN(slot, 1), "via-ide");
> + qdev_prop_set_bit(&dev->qdev, "legacy_mode", true);
> + pci_realize_and_unref(dev, pci_bus, &error_fatal);
> pci_ide_create_devs(dev);
>
> pci_create_simple(pci_bus, PCI_DEVFN(slot, 2), "vt82c686b-usb-uhci");
> --
> 2.21.3
>
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- Re: [PATCH 2/2] via-ide: Fix fuloong2e support,
Guenter Roeck <=