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/***************************************************************************
Intel 82439TX System Controller (MTXC)
Part of the Intel 430TX chipset
***************************************************************************/
#ifndef __I82439TX_H__
#define __I82439TX_H__
#include "machine/pci.h"
#include "machine/northbridge.h"
// ======================> i82439tx_interface
struct i82439tx_interface
{
const char *m_cputag;
const char *m_rom_region;
};
// ======================> i82439tx_device
class i82439tx_device : public northbridge_device,
public pci_device_interface,
public i82439tx_interface
{
public:
// construction/destruction
i82439tx_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual UINT32 pci_read(pci_bus_device *pcibus, int function, int offset, UINT32 mem_mask);
virtual void pci_write(pci_bus_device *pcibus, int function, int offset, UINT32 data, UINT32 mem_mask);
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete();
void i82439tx_configure_memory(UINT8 val, offs_t begin, offs_t end);
private:
address_space *m_space;
UINT8 *m_rom;
UINT32 m_regs[8];
UINT32 m_bios_ram[0x40000 / 4];
};
// device type definition
extern const device_type I82439TX;
#endif /* __I82439TX_H__ */
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