These memory windows are a result of the address decoding in the Articia S north bridge so better model it there and not in board code.
Suggested-by: Philippe Mathieu-Daudé <[email protected]> Signed-off-by: BALATON Zoltan <[email protected]> --- hw/pci-host/articia.c | 14 +++++++++++++- hw/ppc/amigaone.c | 28 +++++----------------------- hw/ppc/pegasos.c | 13 ------------- 3 files changed, 18 insertions(+), 37 deletions(-) diff --git a/hw/pci-host/articia.c b/hw/pci-host/articia.c index 1881e03d58..6e14604311 100644 --- a/hw/pci-host/articia.c +++ b/hw/pci-host/articia.c @@ -22,6 +22,11 @@ * Most features are missing but those are not needed by firmware and guests. */ +#define PCI_HIGH_ADDR 0x80000000 +#define PCI_HIGH_SIZE 0x7d000000 +#define PCI_LOW_ADDR 0xfd000000 +#define PCI_LOW_SIZE 0x1000000 + OBJECT_DECLARE_SIMPLE_TYPE(ArticiaState, ARTICIA) OBJECT_DECLARE_SIMPLE_TYPE(ArticiaHostState, ARTICIA_PCI_HOST) @@ -169,6 +174,7 @@ static void articia_realize(DeviceState *dev, Error **errp) { ArticiaState *s = ARTICIA(dev); PCIHostState *h = PCI_HOST_BRIDGE(dev); + MemoryRegion *mr; PCIDevice *pdev; bitbang_i2c_init(&s->smbus, i2c_init_bus(dev, "smbus")); @@ -181,6 +187,13 @@ static void articia_realize(DeviceState *dev, Error **errp) TYPE_ARTICIA, 0x1000000); memory_region_add_subregion_overlap(&s->reg, 0, &s->io, 1); + mr = memory_region_new_alias(OBJECT(dev), "pci-mem-low", &s->mem, 0, + PCI_LOW_SIZE); + memory_region_add_subregion(get_system_memory(), PCI_LOW_ADDR, mr); + mr = memory_region_new_alias(OBJECT(dev), "pci-mem-high", &s->mem, + PCI_HIGH_ADDR, PCI_HIGH_SIZE); + memory_region_add_subregion(get_system_memory(), PCI_HIGH_ADDR, mr); + /* devfn_min is 8 that matches first PCI slot in AmigaOne */ h->bus = pci_register_root_bus(dev, NULL, articia_pcihost_set_irq, amigaone_pcihost_bus0_map_irq, dev, &s->mem, @@ -191,7 +204,6 @@ static void articia_realize(DeviceState *dev, Error **errp) pci_create_simple(h->bus, PCI_DEVFN(0, 1), TYPE_ARTICIA_PCI_BRIDGE); sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->reg); - sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mem); qdev_init_gpio_out(dev, s->irq, ARRAY_SIZE(s->irq)); } diff --git a/hw/ppc/amigaone.c b/hw/ppc/amigaone.c index 8074713fbe..17deacab44 100644 --- a/hw/ppc/amigaone.c +++ b/hw/ppc/amigaone.c @@ -35,13 +35,6 @@ #define INITRD_MIN_ADDR 0x600000 #define INIT_RAM_ADDR 0x40000000 -#define PCI_HIGH_ADDR 0x80000000 -#define PCI_HIGH_SIZE 0x7d000000 -#define PCI_LOW_ADDR 0xfd000000 -#define PCI_LOW_SIZE 0xe0000 - -#define ARTICIA_ADDR 0xfe000000 - /* * Firmware binary available at * https://www.hyperion-entertainment.com/index.php/downloads?view=files&parent=28 @@ -267,7 +260,7 @@ static void amigaone_init(MachineState *machine) { PowerPCCPU *cpu; CPUPPCState *env; - MemoryRegion *rom, *pci_mem, *mr; + MemoryRegion *rom, *mr; ssize_t sz; PCIBus *pci_bus; Object *via; @@ -308,8 +301,8 @@ static void amigaone_init(MachineState *machine) qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(di)); } sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); - memory_region_add_subregion(get_system_memory(), NVRAM_ADDR, - sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0)); + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); + memory_region_add_subregion_overlap(get_system_memory(), NVRAM_ADDR, mr, 1); /* allocate and load firmware */ rom = g_new(MemoryRegion, 1); @@ -329,8 +322,8 @@ static void amigaone_init(MachineState *machine) } /* Articia S */ - dev = sysbus_create_simple(TYPE_ARTICIA, ARTICIA_ADDR, NULL); - + dev = sysbus_create_simple(TYPE_ARTICIA, 0xfe000000, NULL); + pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci.0")); i2c_bus = I2C_BUS(qdev_get_child_bus(dev, "smbus")); if (machine->ram_size > 512 * MiB) { spd_data = spd_data_generate(SDR, machine->ram_size / 2); @@ -343,17 +336,6 @@ static void amigaone_init(MachineState *machine) smbus_eeprom_init_one(i2c_bus, 0x52, spd_data); } - pci_mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); - mr = g_new(MemoryRegion, 1); - memory_region_init_alias(mr, OBJECT(dev), "pci-mem-low", pci_mem, - 0, PCI_LOW_SIZE); - memory_region_add_subregion(get_system_memory(), PCI_LOW_ADDR, mr); - mr = g_new(MemoryRegion, 1); - memory_region_init_alias(mr, OBJECT(dev), "pci-mem-high", pci_mem, - PCI_HIGH_ADDR, PCI_HIGH_SIZE); - memory_region_add_subregion(get_system_memory(), PCI_HIGH_ADDR, mr); - pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci.0")); - /* VIA VT82c686B South Bridge (multifunction PCI device) */ via = OBJECT(pci_create_simple_multifunction(pci_bus, PCI_DEVFN(7, 0), TYPE_VT82C686B_ISA)); diff --git a/hw/ppc/pegasos.c b/hw/ppc/pegasos.c index ac9fc5a654..e0e2e8815d 100644 --- a/hw/ppc/pegasos.c +++ b/hw/ppc/pegasos.c @@ -213,23 +213,10 @@ static void pegasos_init(MachineState *machine) /* north bridge */ switch (pm->type) { case PEGASOS1: - { - MemoryRegion *pci_mem, *mr; - /* Articia S */ pm->nb = DEVICE(sysbus_create_simple(TYPE_ARTICIA, 0xfe000000, NULL)); - pci_mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(pm->nb), 1); - mr = g_new(MemoryRegion, 1); - memory_region_init_alias(mr, OBJECT(pm->nb), "pci-mem-low", pci_mem, - 0, 0x1000000); - memory_region_add_subregion(get_system_memory(), 0xfd000000, mr); - mr = g_new(MemoryRegion, 1); - memory_region_init_alias(mr, OBJECT(pm->nb), "pci-mem-high", pci_mem, - 0x80000000, 0x7d000000); - memory_region_add_subregion(get_system_memory(), 0x80000000, mr); pci_bus = PCI_BUS(qdev_get_child_bus(pm->nb, "pci.0")); break; - } case PEGASOS2: /* Marvell Discovery II system controller */ pm->nb = DEVICE(sysbus_create_simple(TYPE_MV64361, -1, -- 2.41.3
