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path: root/src/mame/drivers/bebox.cpp
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// license:BSD-3-Clause
// copyright-holders:Nathan Woods, R. Belmont
/***************************************************************************

    drivers/bebox.c

    BeBox

***************************************************************************/

/* Core includes */
#include "emu.h"
#include "includes/bebox.h"

/* Components */
#include "video/clgd542x.h"
#include "bus/lpci/cirrus.h"
#include "cpu/powerpc/ppc.h"
#include "sound/3812intf.h"
#include "machine/mc146818.h"
#include "machine/pckeybrd.h"
#include "bus/lpci/mpc105.h"
#include "bus/scsi/scsi.h"
#include "speaker.h"

/* Devices */
#include "bus/scsi/scsicd.h"
#include "bus/scsi/scsihd.h"
#include "formats/pc_dsk.h"
#include "machine/8042kbdc.h"

READ8_MEMBER(bebox_state::at_dma8237_1_r)  { return m_dma8237_2->read(space, offset / 2); }
WRITE8_MEMBER(bebox_state::at_dma8237_1_w) { m_dma8237_2->write(space, offset / 2, data); }

void bebox_state::bebox_mem(address_map &map)
{
	map(0x7FFFF0F0, 0x7FFFF0F7).rw(this, FUNC(bebox_state::bebox_cpu0_imask_r), FUNC(bebox_state::bebox_cpu0_imask_w));
	map(0x7FFFF1F0, 0x7FFFF1F7).rw(this, FUNC(bebox_state::bebox_cpu1_imask_r), FUNC(bebox_state::bebox_cpu1_imask_w));
	map(0x7FFFF2F0, 0x7FFFF2F7).r(this, FUNC(bebox_state::bebox_interrupt_sources_r));
	map(0x7FFFF3F0, 0x7FFFF3F7).rw(this, FUNC(bebox_state::bebox_crossproc_interrupts_r), FUNC(bebox_state::bebox_crossproc_interrupts_w));
	map(0x7FFFF4F0, 0x7FFFF4F7).w(this, FUNC(bebox_state::bebox_processor_resets_w));

	map(0x80000000, 0x8000001F).rw(m_dma8237_1, FUNC(am9517a_device::read), FUNC(am9517a_device::write));
	map(0x80000020, 0x8000003F).rw(m_pic8259_1, FUNC(pic8259_device::read), FUNC(pic8259_device::write));
	map(0x80000040, 0x8000005f).rw(m_pit8254, FUNC(pit8254_device::read), FUNC(pit8254_device::write));
	map(0x80000060, 0x8000006F).rw("kbdc", FUNC(kbdc8042_device::data_r), FUNC(kbdc8042_device::data_w));
	map(0x80000070, 0x8000007F).rw("rtc", FUNC(mc146818_device::read), FUNC(mc146818_device::write));
	map(0x80000080, 0x8000009F).rw(this, FUNC(bebox_state::bebox_page_r), FUNC(bebox_state::bebox_page_w));
	map(0x800000A0, 0x800000BF).rw(m_pic8259_2, FUNC(pic8259_device::read), FUNC(pic8259_device::write));
	map(0x800000C0, 0x800000DF).rw(this, FUNC(bebox_state::at_dma8237_1_r), FUNC(bebox_state::at_dma8237_1_w));
	map(0x800001F0, 0x800001F7).rw("ide", FUNC(ide_controller_device::read_cs0), FUNC(ide_controller_device::write_cs0));
	map(0x800002F8, 0x800002FF).rw("ns16550_1", FUNC(ns16550_device::ins8250_r), FUNC(ns16550_device::ins8250_w));
	map(0x80000380, 0x80000387).rw("ns16550_2", FUNC(ns16550_device::ins8250_r), FUNC(ns16550_device::ins8250_w));
	map(0x80000388, 0x8000038F).rw("ns16550_3", FUNC(ns16550_device::ins8250_r), FUNC(ns16550_device::ins8250_w));
	map(0x800003b0, 0x800003bf).rw("vga", FUNC(cirrus_gd5428_device::port_03b0_r), FUNC(cirrus_gd5428_device::port_03b0_w));
	map(0x800003c0, 0x800003cf).rw("vga", FUNC(cirrus_gd5428_device::port_03c0_r), FUNC(cirrus_gd5428_device::port_03c0_w));
	map(0x800003d0, 0x800003df).rw("vga", FUNC(cirrus_gd5428_device::port_03d0_r), FUNC(cirrus_gd5428_device::port_03d0_w));
	map(0x800003F0, 0x800003F7).rw("ide", FUNC(ide_controller_device::read_cs1), FUNC(ide_controller_device::write_cs1));
	map(0x800003F0, 0x800003F7).m(m_smc37c78, FUNC(smc37c78_device::map));
	map(0x800003F8, 0x800003FF).rw("ns16550_0", FUNC(ns16550_device::ins8250_r), FUNC(ns16550_device::ins8250_w));
	map(0x80000480, 0x8000048F).rw(this, FUNC(bebox_state::bebox_80000480_r), FUNC(bebox_state::bebox_80000480_w));
	map(0x80000CF8, 0x80000CFF).rw(m_pcibus, FUNC(pci_bus_device::read_64be), FUNC(pci_bus_device::write_64be));
	//AM_RANGE(0x800042E8, 0x800042EF) AM_DEVWRITE8("cirrus", cirrus_device, cirrus_42E8_w, 0xffffffffffffffffU )

	map(0xBFFFFFF0, 0xBFFFFFFF).r(this, FUNC(bebox_state::bebox_interrupt_ack_r));
	map(0xC00A0000, 0xC00BFFFF).rw("vga", FUNC(cirrus_gd5428_device::mem_r), FUNC(cirrus_gd5428_device::mem_w));
	map(0xC1000000, 0xC11FFFFF).rw("vga", FUNC(cirrus_gd5428_device::mem_linear_r), FUNC(cirrus_gd5428_device::mem_linear_w));
	map(0xFFF00000, 0xFFF03FFF).bankr("bank2");
	map(0xFFF04000, 0xFFFFFFFF).rw(this, FUNC(bebox_state::bebox_flash_r), FUNC(bebox_state::bebox_flash_w));
}

// The following is a gross hack to let the BeBox boot ROM identify the processors correctly.
// This needs to be done in a better way if someone comes up with one.

READ64_MEMBER(bebox_state::bb_slave_64be_r)
{
	// 2e94 is the real address, 2e84 is where the PC appears to be under full DRC
	if ((m_ppc2->pc() == 0xfff02e94) || (m_ppc2->pc() == 0xfff02e84))
	{
		return 0x108000ff;  // indicate slave CPU
	}

	return m_pcibus->read_64be(space, offset, mem_mask);
}

void bebox_state::bebox_slave_mem(address_map &map)
{
	bebox_mem(map);
	map(0x80000cf8, 0x80000cff).r(this, FUNC(bebox_state::bb_slave_64be_r));
	map(0x80000cf8, 0x80000cff).w(m_pcibus, FUNC(pci_bus_device::write_64be));
}

#define BYTE_REVERSE32(x)       (((x >> 24) & 0xff) | \
								((x >> 8) & 0xff00) | \
								((x << 8) & 0xff0000) | \
								((x << 24) & 0xff000000))

LSI53C810_FETCH_CB(bebox_state::scsi_fetch)
{
	uint32_t result = m_ppc1->space(AS_PROGRAM).read_dword(dsp & 0x7FFFFFFF);
	return BYTE_REVERSE32(result);
}


LSI53C810_IRQ_CB(bebox_state::scsi_irq_callback)
{
	bebox_set_irq_bit(21, state);
}


LSI53C810_DMA_CB(bebox_state::scsi_dma_callback)
{
}

FLOPPY_FORMATS_MEMBER( bebox_state::floppy_formats )
	FLOPPY_PC_FORMAT
FLOPPY_FORMATS_END

static void bebox_floppies(device_slot_interface &device)
{
	device.option_add("35hd", FLOPPY_35_HD);
}

void bebox_state::mpc105_config(device_t *device)
{
	MCFG_MPC105_CPU( "ppc1" )
	MCFG_MPC105_BANK_BASE_DEFAULT( 0 )
}

/*************************************
 *
 *  Keyboard
 *
 *************************************/

WRITE_LINE_MEMBER(bebox_state::bebox_keyboard_interrupt)
{
	bebox_set_irq_bit(16, state);
	m_pic8259_1->ir1_w(state);
}

static void pci_devices(device_slot_interface &device)
{
	device.option_add("mpc105", MPC105);
	device.option_add("cirrus", PCI_CIRRUS_SVGA);
}

MACHINE_CONFIG_START(bebox_state::bebox)
	/* basic machine hardware */
	MCFG_DEVICE_ADD("ppc1", PPC603, 66000000)  /* 66 MHz */
	MCFG_DEVICE_PROGRAM_MAP(bebox_mem)

	MCFG_DEVICE_ADD("ppc2", PPC603, 66000000)  /* 66 MHz */
	MCFG_DEVICE_PROGRAM_MAP(bebox_slave_mem)

	MCFG_QUANTUM_TIME(attotime::from_hz(60))

	MCFG_DEVICE_ADD("pit8254", PIT8254, 0)
	MCFG_PIT8253_CLK0(4772720/4) /* heartbeat IRQ */
	MCFG_PIT8253_OUT0_HANDLER(WRITELINE(*this, bebox_state, bebox_timer0_w))
	MCFG_PIT8253_CLK1(4772720/4) /* dram refresh */
	MCFG_PIT8253_CLK2(4772720/4) /* pio port c pin 4, and speaker polling enough */
	MCFG_PIT8253_OUT2_HANDLER(WRITELINE("kbdc", kbdc8042_device, write_out2))

	MCFG_DEVICE_ADD( "dma8237_1", AM9517A, XTAL(14'318'181)/3 )
	MCFG_I8237_OUT_HREQ_CB(WRITELINE(*this, bebox_state, bebox_dma_hrq_changed))
	MCFG_I8237_OUT_EOP_CB(WRITELINE(*this, bebox_state, bebox_dma8237_out_eop))
	MCFG_I8237_IN_MEMR_CB(READ8(*this, bebox_state, bebox_dma_read_byte))
	MCFG_I8237_OUT_MEMW_CB(WRITE8(*this, bebox_state, bebox_dma_write_byte))
	MCFG_I8237_IN_IOR_2_CB(READ8(*this, bebox_state, bebox_dma8237_fdc_dack_r))
	MCFG_I8237_OUT_IOW_2_CB(WRITE8(*this, bebox_state, bebox_dma8237_fdc_dack_w))
	MCFG_I8237_OUT_DACK_0_CB(WRITELINE(*this, bebox_state, pc_dack0_w))
	MCFG_I8237_OUT_DACK_1_CB(WRITELINE(*this, bebox_state, pc_dack1_w))
	MCFG_I8237_OUT_DACK_2_CB(WRITELINE(*this, bebox_state, pc_dack2_w))
	MCFG_I8237_OUT_DACK_3_CB(WRITELINE(*this, bebox_state, pc_dack3_w))

	MCFG_DEVICE_ADD( "dma8237_2", AM9517A, XTAL(14'318'181)/3 )

	MCFG_DEVICE_ADD("pic8259_1", PIC8259, 0)
	MCFG_PIC8259_OUT_INT_CB(WRITELINE(*this, bebox_state, bebox_pic8259_master_set_int_line))
	MCFG_PIC8259_IN_SP_CB(VCC)
	MCFG_PIC8259_CASCADE_ACK_CB(READ8(*this, bebox_state, get_slave_ack))

	MCFG_DEVICE_ADD("pic8259_2", PIC8259, 0)
	MCFG_PIC8259_OUT_INT_CB(WRITELINE(*this, bebox_state, bebox_pic8259_slave_set_int_line))
	MCFG_PIC8259_IN_SP_CB(GND)

	MCFG_DEVICE_ADD( "ns16550_0", NS16550, 0 )   /* TODO: Verify model */
	MCFG_DEVICE_ADD( "ns16550_1", NS16550, 0 )   /* TODO: Verify model */
	MCFG_DEVICE_ADD( "ns16550_2", NS16550, 0 )   /* TODO: Verify model */
	MCFG_DEVICE_ADD( "ns16550_3", NS16550, 0 )   /* TODO: Verify model */

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_RAW_PARAMS(XTAL(25'174'800),900,0,640,526,0,480)
	MCFG_SCREEN_UPDATE_DEVICE("vga", cirrus_gd5428_device, screen_update)

	MCFG_DEVICE_ADD("vga", CIRRUS_GD5428, 0)
	MCFG_VIDEO_SET_SCREEN("screen")

	SPEAKER(config, "mono").front_center();
	MCFG_DEVICE_ADD("ym3812", YM3812, 3579545)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)

	MCFG_FUJITSU_29F016A_ADD("flash")

	MCFG_DEVICE_ADD("scsi", SCSI_PORT, 0)
	MCFG_SCSIDEV_ADD("scsi:" SCSI_PORT_DEVICE1, "harddisk", SCSIHD, SCSI_ID_0)
	MCFG_SCSIDEV_ADD("scsi:" SCSI_PORT_DEVICE2, "cdrom", SCSICD, SCSI_ID_3)

	MCFG_DEVICE_ADD("lsi53c810", LSI53C810, 0)
	MCFG_LSI53C810_IRQ_CB(bebox_state, scsi_irq_callback)
	MCFG_LSI53C810_DMA_CB(bebox_state, scsi_dma_callback)
	MCFG_LSI53C810_FETCH_CB(bebox_state, scsi_fetch)
	MCFG_LEGACY_SCSI_PORT("scsi")

	MCFG_IDE_CONTROLLER_ADD( "ide", ata_devices, "hdd", nullptr, false ) /* FIXME */
	MCFG_ATA_INTERFACE_IRQ_HANDLER(WRITELINE(*this, bebox_state, bebox_ide_interrupt))

	/* pci */
	MCFG_PCI_BUS_ADD("pcibus", 0)
	MCFG_PCI_BUS_DEVICE("pcibus:0", pci_devices, "mpc105", true)
	MCFG_SLOT_OPTION_MACHINE_CONFIG("mpc105", mpc105_config)

	MCFG_PCI_BUS_DEVICE("pcibus:1", pci_devices, "cirrus", true)

	/*MCFG_PCI_BUS_DEVICE(12, nullptr, scsi53c810_pci_read, scsi53c810_pci_write)*/

	MCFG_SMC37C78_ADD("smc37c78")
	MCFG_UPD765_INTRQ_CALLBACK(WRITELINE(*this, bebox_state, fdc_interrupt))
	MCFG_UPD765_DRQ_CALLBACK(WRITELINE("dma8237_1", am9517a_device, dreq2_w))
	MCFG_FLOPPY_DRIVE_ADD("smc37c78:0", bebox_floppies, "35hd", bebox_state::floppy_formats)

	MCFG_MC146818_ADD( "rtc", XTAL(32'768) )

	MCFG_DEVICE_ADD("kbdc", KBDC8042, 0)
	MCFG_KBDC8042_KEYBOARD_TYPE(KBDC8042_STANDARD)
	MCFG_KBDC8042_SYSTEM_RESET_CB(INPUTLINE("ppc1", INPUT_LINE_RESET))
	MCFG_KBDC8042_INPUT_BUFFER_FULL_CB(WRITELINE(*this, bebox_state, bebox_keyboard_interrupt))

	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("32M")
	MCFG_RAM_EXTRA_OPTIONS("8M,16M")
MACHINE_CONFIG_END

MACHINE_CONFIG_START(bebox_state::bebox2)
	bebox(config);
	MCFG_DEVICE_REPLACE("ppc1", PPC603E, 133000000)    /* 133 MHz */
	MCFG_DEVICE_PROGRAM_MAP(bebox_mem)

	MCFG_DEVICE_REPLACE("ppc2", PPC603E, 133000000)    /* 133 MHz */
	MCFG_DEVICE_PROGRAM_MAP(bebox_slave_mem)
MACHINE_CONFIG_END

static INPUT_PORTS_START( bebox )
	PORT_INCLUDE( at_keyboard )
INPUT_PORTS_END

ROM_START(bebox)
	ROM_REGION(0x00200000, "user1", ROMREGION_64BIT | ROMREGION_BE)
	ROM_LOAD( "bootmain.rom", 0x000000, 0x20000, CRC(df2d19e0) SHA1(da86a7d23998dc953dd96a2ac5684faaa315c701) )
	ROM_REGION(0x4000, "user2", ROMREGION_64BIT | ROMREGION_BE)
	ROM_LOAD( "bootnub.rom", 0x000000, 0x4000, CRC(5348d09a) SHA1(1b637a3d7a2b072aa128dd5c037bbb440d525c1a) )
ROM_END

ROM_START(bebox2)
	ROM_REGION(0x00200000, "user1", ROMREGION_64BIT | ROMREGION_BE)
	ROM_LOAD( "bootmain.rom", 0x000000, 0x20000, CRC(df2d19e0) SHA1(da86a7d23998dc953dd96a2ac5684faaa315c701) )
	ROM_REGION(0x4000, "user2", ROMREGION_64BIT | ROMREGION_BE)
	ROM_LOAD( "bootnub.rom", 0x000000, 0x4000, CRC(5348d09a) SHA1(1b637a3d7a2b072aa128dd5c037bbb440d525c1a) )
ROM_END

/*    YEAR   NAME    PARENT  COMPAT  MACHINE  INPUT  CLASS        INIT        COMPANY   FULLNAME */
COMP( 1995,  bebox,  0,      0,      bebox,   bebox, bebox_state, init_bebox, "Be Inc", "BeBox Dual603-66",  MACHINE_NOT_WORKING )
COMP( 1996,  bebox2, bebox,  0,      bebox2,  bebox, bebox_state, init_bebox, "Be Inc", "BeBox Dual603-133", MACHINE_NOT_WORKING )