// license:BSD-3-Clause // copyright-holders:Darkstar /********************************************************************** * * Adaptec AHA-1542{C,CF,CP} SCSI Controller * **********************************************************************/ /* Hardware info by Guru Adaptec 1993 PCB Layout ---------- Adaptec AHA-1542CF/1542CF FCC ID: FGT1542CF FAB 545107-00 REV C ASSY 545106-00 |-------|---------------|---|-------------------|--| | J1 | FLOPPY34 | | SCSI50 | | | |---------------| |-------------------| | | S1 DS1 | | | | |------| DS2107AS DS2107AS |--| | |PC8477| 24MHz Z84C0010 | | | PAL |BV-1 | |S | | | | |----------| | | | |------| | | |C | | 93C46.U11 20MHz | | | | | UM6264 MCODE.U15 |ADAPTEC | |S | | |AIC-7970Q | | | | BIOS.U16 | | |I | | | | | | | |----------| |--| | | |-| |--| |----| |--------------| |-------------------------| Notes: J1 - 4-position header for drive activity external LED connection S1 - 8-position DIP Switch (See Table A) PC8477BV-1 - National Semiconductor PC8477BV-1 'SuperFDC' Advanced Floppy Disk Controller (PLCC68) This is software compatible with NEC uPD765 and pin compatible with Intel 82077AA Labelled "AHA-1542CF/552800-01 F/9513" Clock input 24.000MHz SCSI - 50-pin Centronics style external SCSI connector (DDK 57AE-40500-21D) Z84C0010 - Zilog Z84C0010VEC Z80 CPU. Clock input 20/2 [10.000MHz] sourced from AIC-7970Q (PLCC44) 93C46.U11 - Atmel 93C46 128b x8-bit / 64b x16-bit (1kB) EEPROM labelled '545120A' (SOIC8) 6264 - Unicorn Microelectronics UM6264BM-10L 8k x8-bit Static RAM (SOJ28) MCODE.U15 - ST Microelectronics M27C256B 32k x8-bit EPROM labelled 'ADAPTEC INC 553801-00 E MCODE 4B81' (DIP28) BIOS.U16 - ST Microelectronics M27C256B 32k x8-bit EPROM labelled 'ADAPTEC INC 553601-00 E BIOS 7600' (DIP28) BIOS 0x7600h is revision 2.10 PAL - AMD PALCE16V8H-15JC/4 PAL (SOJ20) AIC-7970Q - Adaptec AIC-7970Q Fast SCSI Controller IC. Clock input 20.000MHz (QFP144) DS2107AS - Dallas DS2107AS SCSI Active Terminator (SOIC16) DS1 - Internal Drive Activity LED SCSI50 - 50-pin Right Angled Flat Cable Connector With Support For Up To 7 SCSI Drives FLOPPY34 - 34-pin Right Angled Flat Cable Connector With Support For Up To 2 Floppy Drives (360kb,720kb,1.2MB,1.44MB) Table A - S1 DIP Switch Description ----------------------------------- Default: All DIP Switches OFF (i.e. Settings changed via BIOS and saved in EEPROM) Software Defaults = * ----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ | SW1 | SW2 | SW3 | SW4 | SW5 | SW6 | SW7 | SW8 | ----------------------|-----+-----+-----+-----+-----+-----+-----+-----+ Termination Enabled | ON | | | | | | | | Set In BIOS*| OFF | | | | | | | | ----------------------+-----+-----+-----+-----+ | | | | I/O Port 330H*| | OFF | OFF | OFF | | | | | 334H | | ON | OFF | OFF | | | | | 230H | | OFF | ON | OFF | | | | | 234H | | ON | ON | OFF | | | | | 130H | | OFF | OFF | ON | | | | | 134H | | ON | OFF | ON | | | | | Reserved | | OFF | ON | ON | | | | | Reserved | | ON | ON | ON | | | | | ----------------------+-----+-----+-----+-----+-----+ | | | Enable Floppy Yes*| | OFF | | | | No | | ON | | | | ----------------------+-----------------------+-----+-----+-----+-----+ BIOS Address DC000H*| | OFF | OFF | OFF | D8000H | | ON | OFF | OFF | D4000H | | OFF | ON | OFF | D0000H | | ON | ON | OFF | CC000H | | OFF | OFF | ON | C8000H | | ON | OFF | ON | Reserved | | OFF | ON | ON | BIOS Disabled | | ON | ON | ON | ----------------------+-----------------------------+-----+-----+-----+ Documentation: Adaptec AHA-1540CF/1542CF Installation Guide http://download.adaptec.com/pdfs/installation_guides/aha1540cf_ig.pdf */ /* Adaptec QFP ASICs — AHA-1540/42C: AIC-???? (covered by sticker) — AHA-1540/42CP: AIC-7970Q — AHA-1540/42CF: AIC-3370P, AIC-???? (covered by sticker) */ #include "emu.h" #include "aha1542c.h" #include "cpu/z80/z80.h" // I/O Port interface // READ Port x+0: STATUS // WRITE Port x+0: CONTROL // // READ Port x+1: DATA // WRITE Port x+1: COMMAND // // READ Port x+2: INTERRUPT STATUS // WRITE Port x+2: (undefined?) // // R/W Port x+3: (undefined) // READ STATUS flags #define STAT_STST 0x80 // self-test in progress #define STAT_DIAGF 0x40 // internal diagnostic failure #define STAT_INIT 0x20 // mailbox initialization required #define STAT_IDLE 0x10 // HBA is idle #define STAT_CDFULL 0x08 // Command/Data output port is full #define STAT_DFULL 0x04 // Data input port is full #define STAT_INVCMD 0x01 // Invalid command // READ INTERRUPT STATUS flags #define INTR_ANY 0x80 // any interrupt #define INTR_SRCD 0x08 // SCSI reset detected #define INTR_HACC 0x04 // HA command complete #define INTR_MBOA 0x02 // MBO empty #define INTR_MBIF 0x01 // MBI full // WRITE CONTROL commands #define CTRL_HRST 0x80 // Hard reset #define CTRL_SRST 0x40 // Soft reset #define CTRL_IRST 0x20 // interrupt reset #define CTRL_SCRST 0x10 // SCSI bus reset // READ/WRITE DATA commands #define CMD_NOP 0x00 // No operation #define CMD_MBINIT 0x01 // mailbox initialization #define CMD_START_SCSI 0x02 // Start SCSI command #define CMD_BIOSCMD 0x03 // undocumented BIOS command (shadow RAM etc.) #define CMD_INQUIRY 0x04 // Adapter inquiry #define CMD_EMBOI 0x05 // enable Mailbox Out Interrupt #define CMD_SELTIMEOUT 0x06 // Set SEL timeout #define CMD_BUSON_TIME 0x07 // set bus-On time #define CMD_BUSOFF_TIME 0x08 // set bus-off time #define CMD_DMASPEED 0x09 // set ISA DMA speed #define CMD_RETDEVS 0x0a // return installed devices #define CMD_RETCONF 0x0b // return configuration data #define CMD_TARGET 0x0c // set HBA to target mode #define CMD_RETSETUP 0x0d // return setup data #define CMD_ECHO 0x1f // ECHO command data (NetBSD says it is 0x1e) // these are for 1541C only: #define CMD_RETDEVSHI 0x23 // return devices 8-15 (from NetBSD) #define CMD_EXTBIOS 0x28 // return extended BIOS information #define CMD_MBENABLE 0x29 // set mailbox interface enable DEFINE_DEVICE_TYPE(AHA1542C, aha1542c_device, "aha1542c", "AHA-1542C SCSI Controller") DEFINE_DEVICE_TYPE(AHA1542CF, aha1542cf_device, "aha1542cf", "AHA-1542CF SCSI Controller") DEFINE_DEVICE_TYPE(AHA1542CP, aha1542cp_device, "aha1542cp", "AHA-1542CP SCSI Controller") #define Z84C0010_TAG "z84c0010" u8 aha1542c_device::aha1542_r(offs_t offset) { logerror("%s aha1542_r(): offset=%d\n", machine().describe_context(), offset); return 0xff; } void aha1542c_device::aha1542_w(offs_t offset, u8 data) { logerror("%s aha1542_w(): offset=%d data=0x%02x\n", machine().describe_context(), offset, data); } ROM_START( aha1542c ) ROM_REGION( 0x8000, "aha1542", 0 ) ROM_SYSTEM_BIOS( 0, "v101", "AHA-1540C/1542C BIOS v1.01" ) ROMX_LOAD( "adaptec_inc_534201-00_d_bios_144c_1993.u15", 0x0000, 0x8000, CRC(35178004) SHA1(2b38f2e40cd02a1b32966ead7b202b0fca130cb8), ROM_BIOS(0) ) ROM_SYSTEM_BIOS( 1, "v102", "AHA-1540C/1542C BIOS v1.02" ) ROMX_LOAD( "b_91c5.bin", 0x0000, 0x8000, CRC(076ac252) SHA1(d640b980e85d07029d8ce11a52fa26ba0f93c5de), ROM_BIOS(1) ) ROM_REGION( 0x8000, Z84C0010_TAG, 0 ) ROMX_LOAD( "adaptec_inc_534001-00_d_mcode_a3c2_1993.u5", 0x0000, 0x8000, CRC(220dd5a2) SHA1(4fc51c9dd63b45a50edcd56baa706d61decbef38), ROM_BIOS(0) ) ROMX_LOAD( "m_866a.bin", 0x0000, 0x8000, CRC(ef09053a) SHA1(ae7900653357d5f32a2734bc13d9ec63bd805597), ROM_BIOS(1) ) ROM_END ROM_START( aha1542cf ) ROM_REGION( 0x8000, "aha1542", 0 ) ROM_SYSTEM_BIOS( 0, "v201", "Adaptec 1540CF/1542CF BIOS v2.01" ) ROMX_LOAD( "adaptec_inc_553601-00_c_bios_c38d_1993.u16", 0x0000, 0x8000, CRC(ab22fc02) SHA1(f9f783e0272fc14ba3de32316997f1f6cadc67d0), ROM_BIOS(0) ) ROM_SYSTEM_BIOS( 1, "v210", "Adaptec 1540CF/1542CF BIOS v2.10" ) ROMX_LOAD( "adaptec_inc_553601-00_e_bios_7600_1994.u16", 0x0000, 0x8000, CRC(8f3a2692) SHA1(b9dbd49baeec55098195131d0ed1a9bfe8463640), ROM_BIOS(1) ) ROM_SYSTEM_BIOS( 2, "v211", "Adaptec 1540CF/1542CF BIOS v2.11" ) ROMX_LOAD( "adaptec_inc_553601-00_g_bios_b402_1995.u16", 0x0000, 0x8000, CRC(fddd0b83) SHA1(aabd227cb338d8812e0bb5c17c08ea06c5aedd36), ROM_BIOS(2) ) ROM_REGION( 0x8000, Z84C0010_TAG, 0 ) ROMX_LOAD( "adaptec_inc_553801-00_c_mcode_563d_1993.u15", 0x0000, 0x8000, CRC(7824397e) SHA1(35bc2c8fab31aad3190a478f2dc8f3a72958cf04), ROM_BIOS(0) ) ROMX_LOAD( "adaptec_inc_553801-00_e_mcode_4b81_1994.u15", 0x0000, 0x8000, CRC(dd651476) SHA1(cda508281302be53ebdcf8daa61754c89ad12111), ROM_BIOS(1) ) ROMX_LOAD( "adaptec_inc_553801-00_g_mcode_2cde_1995.u15", 0x0000, 0x8000, CRC(896873cd) SHA1(6edbdd9b0b15ef31ca0741cac31556d2d5266b6e), ROM_BIOS(2) ) ROM_END ROM_START( aha1542cp ) ROM_REGION( 0x8000, "aha1542", 0 ) ROM_LOAD( "adaptec_inc_908501-00_d_bios_a91e_1995.u7", 0x0000, 0x8000, CRC(0646c35e) SHA1(3a7c2731abd8295438cfa1f2a525be53e9512b1a) ) ROM_REGION( 0x8000, Z84C0010_TAG, 0 ) ROM_LOAD( "908301-00_f_mcode_17c9.u12", 0x0000, 0x8000, CRC(04494022) SHA1(431dfc26312556ddd24fccc429b2b3e93bac5c2f) ) ROM_END void aha1542c_device::local_latch_w(u8 data) { m_eeprom->cs_write(BIT(data, 2)); m_eeprom->clk_write(BIT(data, 1)); m_eeprom->di_write(BIT(data, 0)); // TODO: several other bits are used } void aha1542c_device::z84c0010_mem(address_map &map) { map(0x0000, 0x7fff).rom().region(Z84C0010_TAG, 0); map(0x8000, 0x9fff).ram(); // 2kb RAM chip map(0xa000, 0xa000).portr("SWITCHES"); map(0xb000, 0xb000).w(FUNC(aha1542c_device::local_latch_w)); map(0xe000, 0xe0ff).ram(); // probably PC<->Z80 communication area map(0xe003, 0xe003).lr8(NAME([] () { return 0x20; })); } u8 aha1542cp_device::eeprom_r() { // TODO: bits 4 and 5 are also used return m_eeprom->do_read(); } void aha1542cp_device::eeprom_w(u8 data) { m_eeprom->cs_write(BIT(data, 2)); m_eeprom->clk_write(BIT(data, 1)); m_eeprom->di_write(BIT(data, 0)); } void aha1542cp_device::local_mem(address_map &map) { map(0x0000, 0x7fff).rom().region(Z84C0010_TAG, 0); map(0x8000, 0x9fff).ram(); map(0xc000, 0xc000).portr("SWITCHES"); map(0xc001, 0xc001).rw(FUNC(aha1542cp_device::eeprom_r), FUNC(aha1542cp_device::eeprom_w)); map(0xe003, 0xe003).nopr(); } static INPUT_PORTS_START( aha1542c ) PORT_START("SWITCHES") PORT_DIPNAME(0x07, 0x07, "I/O Port Address") PORT_DIPLOCATION("S1:2,3,4") PORT_DIPSETTING(0x07, "330-333h") PORT_DIPSETTING(0x06, "334-337h") PORT_DIPSETTING(0x05, "230-233h") PORT_DIPSETTING(0x04, "234-237h") PORT_DIPSETTING(0x03, "130-133h") PORT_DIPSETTING(0x02, "134-137h") PORT_DIPSETTING(0x00, "Diagnostics Only") // not documented PORT_DIPNAME(0x08, 0x08, "SCSI Termination") PORT_DIPLOCATION("S1:1") PORT_DIPSETTING(0x00, "Installed") PORT_DIPSETTING(0x08, "Software Controlled") PORT_DIPNAME(0x70, 0x70, "BIOS Address") PORT_DIPLOCATION("S1:6,7,8") PORT_DIPSETTING(0x00, "Disabled") PORT_DIPSETTING(0x20, "C8000h") PORT_DIPSETTING(0x30, "CC000h") PORT_DIPSETTING(0x40, "D0000h") PORT_DIPSETTING(0x50, "D4000h") PORT_DIPSETTING(0x60, "D8000h") PORT_DIPSETTING(0x70, "DC000h") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_93cxx_device, do_read) PORT_START("FDC_CONFIG") PORT_DIPNAME(0x1, 0x1, "Floppy Disk Controller") PORT_DIPLOCATION("S1:5") PORT_DIPSETTING(0x0, "Disabled") PORT_DIPSETTING(0x1, "Enabled") INPUT_PORTS_END static INPUT_PORTS_START( aha1542cp ) PORT_START("SWITCHES") PORT_DIPNAME(0x0e, 0x0e, "I/O Port Address") PORT_DIPLOCATION("S1:2,3,4") PORT_DIPSETTING(0x0e, "330-333h") PORT_DIPSETTING(0x0c, "334-337h") PORT_DIPSETTING(0x0a, "230-233h") PORT_DIPSETTING(0x08, "234-237h") PORT_DIPSETTING(0x06, "130-133h") PORT_DIPSETTING(0x04, "134-137h") PORT_DIPSETTING(0x00, "Diagnostics Only") // not documented PORT_DIPNAME(0x10, 0x10, "Plug and Play") PORT_DIPLOCATION("S1:1") PORT_DIPSETTING(0x00, "Disabled") PORT_DIPSETTING(0x10, "Enabled") PORT_DIPNAME(0xe0, 0xe0, "BIOS Address") PORT_DIPLOCATION("S1:6,7,8") PORT_DIPSETTING(0x00, "Disabled") PORT_DIPSETTING(0x40, "C8000h") PORT_DIPSETTING(0x60, "CC000h") PORT_DIPSETTING(0x80, "D0000h") PORT_DIPSETTING(0xa0, "D4000h") PORT_DIPSETTING(0xc0, "D8000h") PORT_DIPSETTING(0xe0, "DC000h") PORT_START("FDC_CONFIG") PORT_DIPNAME(0x1, 0x1, "Floppy Disk Controller") PORT_DIPLOCATION("S1:5") PORT_DIPSETTING(0x0, "Disabled") PORT_DIPSETTING(0x1, "Enabled") INPUT_PORTS_END ioport_constructor aha1542c_device::device_input_ports() const { return INPUT_PORTS_NAME( aha1542c ); } ioport_constructor aha1542cp_device::device_input_ports() const { return INPUT_PORTS_NAME( aha1542cp ); } const tiny_rom_entry *aha1542c_device::device_rom_region() const { return ROM_NAME( aha1542c ); } const tiny_rom_entry *aha1542cf_device::device_rom_region() const { return ROM_NAME( aha1542cf ); } const tiny_rom_entry *aha1542cp_device::device_rom_region() const { return ROM_NAME( aha1542cp ); } void aha1542c_device::device_add_mconfig(machine_config &config) { z80_device &cpu(Z80(config, Z84C0010_TAG, 10'000'000)); cpu.set_addrmap(AS_PROGRAM, &aha1542c_device::z84c0010_mem); EEPROM_93C46_16BIT(config, m_eeprom); } void aha1542cp_device::device_add_mconfig(machine_config &config) { z80_device &cpu(Z80(config, Z84C0010_TAG, 10'000'000)); cpu.set_addrmap(AS_PROGRAM, &aha1542cp_device::local_mem); EEPROM_93C46_16BIT(config, m_eeprom); } aha1542c_device::aha1542c_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, type, tag, owner, clock) , device_isa16_card_interface(mconfig, *this) , m_eeprom(*this, "eeprom") { } aha1542c_device::aha1542c_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : aha1542c_device(mconfig, AHA1542C, tag, owner, clock) { } aha1542cf_device::aha1542cf_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : aha1542c_device(mconfig, AHA1542CF, tag, owner, clock) { } aha1542cp_device::aha1542cp_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : aha1542c_device(mconfig, AHA1542CP, tag, owner, clock) { } void aha1542c_device::device_start() { set_isa_device(); m_isa->install_rom(this, 0xdc000, 0xdffff, "aha1542"); m_isa->install_device(0x330, 0x333, read8sm_delegate(*this, FUNC(aha1542cf_device::aha1542_r)), write8sm_delegate(*this, FUNC(aha1542cf_device::aha1542_w))); } void aha1542c_device::device_reset() { }