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Diffstat (limited to 'src/devices/machine/pci-ide.h')
-rw-r--r-- | src/devices/machine/pci-ide.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/devices/machine/pci-ide.h b/src/devices/machine/pci-ide.h index ed51a487d2f..bc736efd517 100644 --- a/src/devices/machine/pci-ide.h +++ b/src/devices/machine/pci-ide.h @@ -27,6 +27,10 @@ TODO: #define MCFG_IDE_PCI_IRQ_HANDLER(_devcb) \ devcb = &ide_pci_device::set_irq_handler(*device, DEVCB_##_devcb); +// This will set the top 12 bits for address decoding in legacy mode. Needed for seattle driver. +#define MCFG_IDE_PCI_SET_LEGACY_TOP(_val) \ + downcast<ide_pci_device *>(device)->set_legacy_top(_val); + class ide_pci_device : public pci_device { public: ide_pci_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); @@ -40,7 +44,7 @@ public: DECLARE_WRITE32_MEMBER(ide2_write_cs1); void set_irq_info(const char *tag, const int irq_num); template<class _Object> static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast<ide_pci_device &>(device).m_irq_handler.set_callback(object); } - + void set_legacy_top(int val) { m_legacy_top = val & 0xfff; }; protected: virtual void device_start() override; virtual void device_reset() override; @@ -54,6 +58,8 @@ private: int m_irq_num; devcb_write_line m_irq_handler; uint32_t pci_bar[6]; + // Bits 31-20 for legacy mode hack + uint32_t m_legacy_top; uint32_t m_config_data[0x10]; DECLARE_ADDRESS_MAP(chan1_data_command_map, 32); |