// license:BSD-3-Clause // copyright-holders:R. Belmont /********************************************************************** mpc106.h - Motorola MPC-106 PCI host bridge, aka "Grackle". **********************************************************************/ #ifndef MAME_MACHINE_MPC106_H #define MAME_MACHINE_MPC106_H #pragma once #include "pci.h" class mpc106_host_device : public pci_host_device { public: typedef enum { MAP_TYPE_A, // Type A is PowerPC Reference Platform (PReP) MAP_TYPE_B // Type B is Common Hardware Reference Platform (CHRP) } map_type; template mpc106_host_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock, map_type map, T &&cpu_tag, const char *rom_tag) : mpc106_host_device(mconfig, tag, owner, clock) { set_ids_host(0x10570002, 0x00, 0x00000000); set_map_type(map); set_cpu_tag(std::forward(cpu_tag)); set_rom_tag(rom_tag); } mpc106_host_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); template void set_cpu_tag(T &&tag) { m_cpu.set_tag(std::forward(tag)); } void set_ram_info(u8 *ram_ptr, int ram_size); void set_rom_tag(const char *tag); void set_map_type(map_type maptype); protected: virtual void device_start() override ATTR_COLD; virtual void device_reset() override ATTR_COLD; virtual void reset_all_mappings() override; virtual void map_extra(u64 memory_window_start, u64 memory_window_end, u64 memory_offset, address_space *memory_space, u64 io_window_start, u64 io_window_end, u64 io_offset, address_space *io_space) override; virtual void config_map(address_map &map) override ATTR_COLD; virtual space_config_vector memory_space_config() const override; private: void access_map_le(address_map &map) ATTR_COLD; void access_map_be(address_map &map) ATTR_COLD; u32 be_config_address_r(); void be_config_address_w(offs_t offset, u32 data, u32 mem_mask = ~0); u32 be_config_data_r(offs_t offset, u32 mem_mask = ~0); void be_config_data_w(offs_t offset, u32 data, u32 mem_mask = ~0); template u32 cpu_memory_r(offs_t offset, u32 mem_mask); template void cpu_memory_w(offs_t offset, u32 data, u32 mem_mask); template u32 pci_memory_r(offs_t offset, u32 mem_mask); template void pci_memory_w(offs_t offset, u32 data, u32 mem_mask); template u32 pci_io_r(offs_t offset, u32 mem_mask); template void pci_io_w(offs_t offset, u32 data, u32 mem_mask); u16 pwrconfig1_r(); void pwrconfig1_w(offs_t offset, u16 data, u16 mem_mask); u8 pwrconfig2_r(); void pwrconfig2_w(offs_t offset, u8 data); u32 memory_start_r(offs_t offset); void memory_start_w(offs_t offset, u32 data, u32 mem_mask); u32 memory_end_r(offs_t offset); void memory_end_w(offs_t offset, u32 data, u32 mem_mask); u8 memory_enable_r(); void memory_enable_w(offs_t offset, u8 data); u32 picr1_r(); void picr1_w(u32 data); address_space_config m_mem_config, m_io_config; const char *m_rom_tag; u8 *m_ram; int m_ram_size; map_type m_map_type; required_device m_cpu; u8 *m_rom; u32 m_rom_size; address_space *m_cpu_space; u16 m_pwrconfig1; u8 m_pwrconfig2; u32 m_memory_starts[4]; u32 m_memory_ends[4]; u32 m_picr1; u8 m_memory_bank_enable; }; DECLARE_DEVICE_TYPE(MPC106, mpc106_host_device) #endif // MAME_MACHINE_MPC106_H