diff options
Diffstat (limited to 'src/devices/machine/vrc5074.h')
-rw-r--r-- | src/devices/machine/vrc5074.h | 123 |
1 files changed, 10 insertions, 113 deletions
diff --git a/src/devices/machine/vrc5074.h b/src/devices/machine/vrc5074.h index f1e2e01787a..8b31e2c4f54 100644 --- a/src/devices/machine/vrc5074.h +++ b/src/devices/machine/vrc5074.h @@ -2,8 +2,10 @@ // copyright-holders: Aaron Giles, Ted Green // NEC VRC 5074 System Controller -#ifndef VRC5074_H -#define VRC5074_H +#ifndef MAME_MACHINE_VRC5074_H +#define MAME_MACHINE_VRC5074_H + +#pragma once #include "pci.h" #include "cpu/mips/mips3.h" @@ -18,121 +20,16 @@ #define MCFG_VRC5074_SET_CS(_cs_num, _map) \ downcast<vrc5074_device *>(device)->set_map(_cs_num, address_map_delegate(ADDRESS_MAP_NAME(_map), #_map), owner); -/* NILE 4 registers 0x000-0x0ff */ -#define NREG_SDRAM0 (0x000/4) -#define NREG_SDRAM1 (0x008/4) -#define NREG_DCS2 (0x010/4) /* SIO misc */ -#define NREG_DCS3 (0x018/4) /* ADC */ -#define NREG_DCS4 (0x020/4) /* CMOS */ -#define NREG_DCS5 (0x028/4) /* SIO */ -#define NREG_DCS6 (0x030/4) /* IOASIC */ -#define NREG_DCS7 (0x038/4) /* ethernet */ -#define NREG_DCS8 (0x040/4) -#define NREG_PCIW0 (0x060/4) -#define NREG_PCIW1 (0x068/4) -#define NREG_INTCS (0x070/4) -#define NREG_BOOTCS (0x078/4) -#define NREG_CPUSTAT (0x080/4) -#define NREG_INTCTRL (0x088/4) -#define NREG_INTSTAT0 (0x090/4) -#define NREG_INTSTAT1 (0x098/4) -#define NREG_INTCLR (0x0A0/4) -#define NREG_INTPPES (0x0A8/4) -#define NREG_PCIERR (0x0B8/4) -#define NREG_MEMCTRL (0x0C0/4) -#define NREG_ACSTIME (0x0C8/4) -#define NREG_CHKERR (0x0D0/4) -#define NREG_PCICTRL (0x0E0/4) -#define NREG_PCIARB (0x0E8/4) -#define NREG_PCIINIT0 (0x0F0/4) -#define NREG_PCIINIT1 (0x0F8/4) - -/* NILE 4 registers 0x100-0x1ff */ -#define NREG_LCNFG (0x100/4) -#define NREG_LCST2 (0x110/4) -#define NREG_LCST3 (0x118/4) -#define NREG_LCST4 (0x120/4) -#define NREG_LCST5 (0x128/4) -#define NREG_LCST6 (0x130/4) -#define NREG_LCST7 (0x138/4) -#define NREG_LCST8 (0x140/4) -#define NREG_DCSFN (0x150/4) -#define NREG_DCSIO (0x158/4) -#define NREG_BCST (0x178/4) -#define NREG_DMACTRL0 (0x180/4) -#define NREG_DMASRCA0 (0x188/4) -#define NREG_DMADESA0 (0x190/4) -#define NREG_DMACTRL1 (0x198/4) -#define NREG_DMASRCA1 (0x1A0/4) -#define NREG_DMADESA1 (0x1A8/4) -#define NREG_T0CTRL (0x1C0/4) -#define NREG_T0CNTR (0x1C8/4) -#define NREG_T1CTRL (0x1D0/4) -#define NREG_T1CNTR (0x1D8/4) -#define NREG_T2CTRL (0x1E0/4) -#define NREG_T2CNTR (0x1E8/4) -#define NREG_T3CTRL (0x1F0/4) -#define NREG_T3CNTR (0x1F8/4) - -/* NILE 4 registers 0x300-0x3ff */ -#define NREG_UARTRBR (0x00/4) -#define NREG_UARTTHR (0x00/4) -#define NREG_UARTIER (0x08/4) -#define NREG_UARTDLL (0x00/4) -#define NREG_UARTDLM (0x08/4) -#define NREG_UARTIIR (0x10/4) -#define NREG_UARTFCR (0x10/4) -#define NREG_UARTLCR (0x18/4) -#define NREG_UARTMCR (0x20/4) -#define NREG_UARTLSR (0x28/4) -#define NREG_UARTMSR (0x30/4) -#define NREG_UARTSCR (0x38/4) - -/* NILE 4 interrupts */ -#define NINT_CPCE (0) -#define NINT_CNTD (1) -#define NINT_MCE (2) -#define NINT_DMA (3) -#define NINT_UART (4) -#define NINT_WDOG (5) -#define NINT_GPT (6) -#define NINT_LBRTD (7) -#define NINT_INTA (8) -#define NINT_INTB (9) -#define NINT_INTC (10) -#define NINT_INTD (11) -#define NINT_INTE (12) -#define NINT_RESV (13) -#define NINT_PCIS (14) -#define NINT_PCIE (15) - -#define SYSTEM_CLOCK 100000000 -#define TIMER_PERIOD attotime::from_hz(SYSTEM_CLOCK) - -#define PCI_BUS_CLOCK 33000000 -// Number of dma words to transfer at a time, real hardware bursts 8 -#define DMA_BURST_SIZE 128 -#define DMA_TIMER_PERIOD attotime::from_hz(PCI_BUS_CLOCK / 32) - -#define DMA_BUSY 0x80000000 -#define DMA_INTEN 0x40000000 -#define DMA_INTVLD 0x20000000 -#define DMA_GO 0x10000000 -#define DMA_SUS 0x08000000 -#define DMA_DSTINC 0x04000000 -#define DMA_SRCINC 0x02000000 -#define DMA_RST 0x01000000 -#define DMA_BLK_SIZE 0x000fffff - - class vrc5074_device : public pci_host_device { public: + static constexpr unsigned SYSTEM_CLOCK = 100000000; + vrc5074_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual void reset_all_mappings() override; virtual void map_extra(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space, uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) override; - void postload(void); + void postload(); void set_cpu_tag(const char *tag); void set_sdram_size(const int index, const int size) { m_sdram_size[index] = size; }; @@ -203,13 +100,13 @@ private: uint32_t m_serial_regs[0x40 / 4]; uint16_t m_nile_irq_state; - void setup_pci_space(void); + void setup_pci_space(); uint32_t m_pci_laddr[2], m_pci_mask[2], m_pci_type[2]; uint32_t m_sdram_addr[2]; }; -extern const device_type VRC5074; +DECLARE_DEVICE_TYPE(VRC5074, vrc5074_device) -#endif +#endif // MAME_MACHINE_VRC5074_H |