уто, 26. мај 2020. у 12:47 Philippe Mathieu-Daudé <f4bug@xxxxxxxxx> је
написао/ла:
>
> Better describe the Bonito64 MEM HI/LO and I/O PCI ranges,
> add more PCI regions as unimplemented.
>
> Message-id: <20200510210128.18343-10-f4bug@xxxxxxxxx>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
> ---
> hw/pci-host/bonito.c | 32 ++++++++++++++++++++++++++++----
> 1 file changed, 28 insertions(+), 4 deletions(-)
>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@xxxxxxxxx>
> diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
> index f09bb1c6a8..52015cc2a7 100644
> --- a/hw/pci-host/bonito.c
> +++ b/hw/pci-host/bonito.c
> @@ -39,6 +39,7 @@
> */
>
> #include "qemu/osdep.h"
> +#include "qemu/units.h"
> #include "qemu/error-report.h"
> #include "hw/pci/pci.h"
> #include "hw/irq.h"
> @@ -82,7 +83,7 @@
> #define BONITO_PCILO1_BASE 0x14000000
> #define BONITO_PCILO2_BASE 0x18000000
> #define BONITO_PCIHI_BASE 0x20000000
> -#define BONITO_PCIHI_SIZE 0x20000000
> +#define BONITO_PCIHI_SIZE 0x60000000
> #define BONITO_PCIHI_TOP (BONITO_PCIHI_BASE + BONITO_PCIHI_SIZE - 1)
> #define BONITO_PCIIO_BASE 0x1fd00000
> #define BONITO_PCIIO_BASE_VA 0xbfd00000
> @@ -605,14 +606,26 @@ static void bonito_pcihost_realize(DeviceState *dev, Error **errp)
> {
> PCIHostState *phb = PCI_HOST_BRIDGE(dev);
> BonitoState *bs = BONITO_PCI_HOST_BRIDGE(dev);
> + MemoryRegion *pcimem_lo_alias = g_new(MemoryRegion, 3);
>
> - memory_region_init(&bs->pci_mem, OBJECT(dev), "pci.mem", BONITO_PCILO_SIZE);
> + memory_region_init(&bs->pci_mem, OBJECT(dev), "pci.mem", BONITO_PCIHI_SIZE);
> phb->bus = pci_register_root_bus(dev, "pci",
> pci_bonito_set_irq, pci_bonito_map_irq,
> dev, &bs->pci_mem, get_system_io(),
> 0x28, 32, TYPE_PCI_BUS);
> - memory_region_add_subregion(get_system_memory(), BONITO_PCILO_BASE,
> - &bs->pci_mem);
> +
> + for (size_t i = 0; i < 3; i++) {
> + char *name = g_strdup_printf("pci.lomem%zu", i);
> +
> + memory_region_init_alias(&pcimem_lo_alias[i], NULL, name,
> + &bs->pci_mem, i * 64 * MiB, 64 * MiB);
> + memory_region_add_subregion(get_system_memory(),
> + BONITO_PCILO_BASE + i * 64 * MiB,
> + &pcimem_lo_alias[i]);
> + g_free(name);
> + }
> +
> + create_unimplemented_device("pci.io", BONITO_PCIIO_BASE, 1 * MiB);
> }
>
> static void bonito_realize(PCIDevice *dev, Error **errp)
> @@ -620,6 +633,8 @@ static void bonito_realize(PCIDevice *dev, Error **errp)
> PCIBonitoState *s = PCI_BONITO(dev);
> SysBusDevice *sysbus = SYS_BUS_DEVICE(s->pcihost);
> PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost);
> + BonitoState *bs = BONITO_PCI_HOST_BRIDGE(s->pcihost);
> + MemoryRegion *pcimem_alias = g_new(MemoryRegion, 1);
>
> /*
> * Bonito North Bridge, built on FPGA,
> @@ -652,6 +667,7 @@ static void bonito_realize(PCIDevice *dev, Error **errp)
> sysbus_init_mmio(sysbus, &s->iomem_ldma);
> sysbus_mmio_map(sysbus, 3, 0x1fe00200);
>
> + /* PCI copier */
> memory_region_init_io(&s->iomem_cop, OBJECT(s), &bonito_cop_ops, s,
> "cop", 0x100);
> sysbus_init_mmio(sysbus, &s->iomem_cop);
> @@ -669,6 +685,14 @@ static void bonito_realize(PCIDevice *dev, Error **errp)
> sysbus_init_mmio(sysbus, &s->bonito_localio);
> sysbus_mmio_map(sysbus, 6, BONITO_DEV_BASE);
>
> + memory_region_init_alias(pcimem_alias, NULL, "pci.mem.alias",
> + &bs->pci_mem, 0, BONITO_PCIHI_SIZE);
> + memory_region_add_subregion(get_system_memory(),
> + BONITO_PCIHI_BASE, pcimem_alias);
> + create_unimplemented_device("PCI_2",
> + (hwaddr)BONITO_PCIHI_BASE + BONITO_PCIHI_SIZE,
> + 2 * GiB);
> +
> /* set the default value of north bridge pci config */
> pci_set_word(dev->config + PCI_COMMAND, 0x0000);
> pci_set_word(dev->config + PCI_STATUS, 0x0000);
> --
> 2.21.3
>
