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[PATCH 04/10] mac_newworld: Simplify creation of Uninorth devices
From: |
BALATON Zoltan |
Subject: |
[PATCH 04/10] mac_newworld: Simplify creation of Uninorth devices |
Date: |
Sat, 17 Sep 2022 01:07:22 +0200 (CEST) |
Avoid open coding sysbus_create_simple where not necessary and
reorganise code a bit to avoid some casts to make the code more
readable.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
---
hw/ppc/mac_newworld.c | 50 ++++++++++++++++---------------------------
1 file changed, 19 insertions(+), 31 deletions(-)
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 6bc3bd19be..1038477793 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -228,13 +228,6 @@ static void ppc_core99_init(MachineState *machine)
}
}
- /* UniN init */
- dev = qdev_new(TYPE_UNI_NORTH);
- s = SYS_BUS_DEVICE(dev);
- sysbus_realize_and_unref(s, &error_fatal);
- memory_region_add_subregion(get_system_memory(), 0xf8000000,
- sysbus_mmio_get_region(s, 0));
-
openpic_irqs = g_new0(IrqLines, machine->smp.cpus);
for (i = 0; i < machine->smp.cpus; i++) {
/* Mac99 IRQ connection between OpenPIC outputs pins
@@ -275,56 +268,51 @@ static void ppc_core99_init(MachineState *machine)
}
}
+ /* UniN init */
+ sysbus_create_simple(TYPE_UNI_NORTH, 0xf8000000, NULL);
+
if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
+ machine_arch = ARCH_MAC99_U3;
/* 970 gets a U3 bus */
/* Uninorth AGP bus */
- dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE);
- sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
- uninorth_pci = U3_AGP_HOST_BRIDGE(dev);
- s = SYS_BUS_DEVICE(dev);
+ s = SYS_BUS_DEVICE(sysbus_create_simple(TYPE_U3_AGP_HOST_BRIDGE,
+ 0xf0800000, NULL));
+ uninorth_pci = U3_AGP_HOST_BRIDGE(s);
+ sysbus_mmio_map(s, 1, 0xf0c00000);
/* PCI hole */
memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
sysbus_mmio_get_region(s, 2));
/* Register 8 MB of ISA IO space */
memory_region_add_subregion(get_system_memory(), 0xf2000000,
sysbus_mmio_get_region(s, 3));
- sysbus_mmio_map(s, 0, 0xf0800000);
- sysbus_mmio_map(s, 1, 0xf0c00000);
-
- machine_arch = ARCH_MAC99_U3;
} else {
+ machine_arch = ARCH_MAC99;
/* Use values found on a real PowerMac */
/* Uninorth AGP bus */
- uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
- s = SYS_BUS_DEVICE(uninorth_agp_dev);
- sysbus_realize_and_unref(s, &error_fatal);
- sysbus_mmio_map(s, 0, 0xf0800000);
- sysbus_mmio_map(s, 1, 0xf0c00000);
+ uninorth_agp_dev = sysbus_create_simple(TYPE_UNI_NORTH_AGP_HOST_BRIDGE,
+ 0xf0800000, NULL);
+ sysbus_mmio_map(SYS_BUS_DEVICE(uninorth_agp_dev), 1, 0xf0c00000);
/* Uninorth internal bus */
- uninorth_internal_dev = qdev_new(
- TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
- s = SYS_BUS_DEVICE(uninorth_internal_dev);
- sysbus_realize_and_unref(s, &error_fatal);
- sysbus_mmio_map(s, 0, 0xf4800000);
- sysbus_mmio_map(s, 1, 0xf4c00000);
+ uninorth_internal_dev = sysbus_create_simple(
+ TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE,
+ 0xf4800000, NULL);
+ sysbus_mmio_map(SYS_BUS_DEVICE(uninorth_internal_dev), 1, 0xf4c00000);
/* Uninorth main bus */
dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
- sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev);
s = SYS_BUS_DEVICE(dev);
+ sysbus_realize_and_unref(s, &error_fatal);
+ sysbus_mmio_map(s, 0, 0xf2800000);
+ sysbus_mmio_map(s, 1, 0xf2c00000);
/* PCI hole */
memory_region_add_subregion(get_system_memory(), 0x80000000ULL,
sysbus_mmio_get_region(s, 2));
/* Register 8 MB of ISA IO space */
memory_region_add_subregion(get_system_memory(), 0xf2000000,
sysbus_mmio_get_region(s, 3));
- sysbus_mmio_map(s, 0, 0xf2800000);
- sysbus_mmio_map(s, 1, 0xf2c00000);
-
- machine_arch = ARCH_MAC99;
}
machine->usb |= defaults_enabled() && !machine->usb_disabled;
--
2.30.4