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Implemented the OPTi 822 VLB to PCI bridge

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Needed for early OPTi Pentium's but also 486's like the Packard Bell PB450 PCI. IRQ routing is hacking though!!
This commit is contained in:
Panagiotis
2021-04-05 22:28:04 +03:00
committed by GitHub
parent 5ebb6caf3f
commit 5d68fa68c0
6 changed files with 416 additions and 37 deletions
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55
src/machine/m_at_socket4_5.c
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@@ -63,6 +63,61 @@ machine_at_excalibur_init(const machine_t *model)
return ret;
}
int
machine_at_hot543_init(const machine_t *model)
{
int ret;
ret = bios_load_linear("roms/machines/hot543/543_R21.BIN",
0x000e0000, 131072, 0);
if (bios_only || !ret)
return ret;
machine_at_common_init(model);
pci_init(PCI_CONFIG_TYPE_1);
pci_register_slot(0x10, PCI_CARD_NORTHBRIDGE, 0, 0, 0, 0);
pci_register_slot(0x11, PCI_CARD_NORMAL, 1, 2, 3, 4);
pci_register_slot(0x12, PCI_CARD_NORMAL, 2, 3, 4, 1);
pci_register_slot(0x13, PCI_CARD_NORMAL, 3, 4, 1, 2);
device_add(&opti5x7_device);
device_add(&opti822_device);
device_add(&sst_flash_29ee010_device);
device_add(&keyboard_at_device);
if (fdc_type == FDC_INTERNAL)
device_add(&fdc_at_device);
return ret;
}
int
machine_at_p54vl_init(const machine_t *model)
{
int ret;
ret = bios_load_linear("roms/machines/p54vl/SM507.ROM",
0x000e0000, 131072, 0);
if (bios_only || !ret)
return ret;
machine_at_common_init(model);
pci_init(PCI_CONFIG_TYPE_1);
pci_register_slot(0x10, PCI_CARD_NORTHBRIDGE, 0, 0, 0, 0);
pci_register_slot(0x11, PCI_CARD_NORMAL, 1, 2, 3, 4);
pci_register_slot(0x12, PCI_CARD_NORMAL, 2, 3, 4, 1);
pci_register_slot(0x13, PCI_CARD_NORMAL, 3, 4, 1, 2);
device_add(&opti5x7_device);
device_add(&opti822_device);
device_add(&sst_flash_29ee010_device);
device_add(&keyboard_at_ami_device);
if (fdc_type == FDC_INTERNAL)
device_add(&fdc_at_device);
return ret;
}
static void
machine_at_premiere_common_init(const machine_t *model, int pci_switch)