diff options
Diffstat (limited to 'src/devices/bus/vme/vme_hcpu30.cpp')
-rw-r--r-- | src/devices/bus/vme/vme_hcpu30.cpp | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/src/devices/bus/vme/vme_hcpu30.cpp b/src/devices/bus/vme/vme_hcpu30.cpp deleted file mode 100644 index 57994820f7c..00000000000 --- a/src/devices/bus/vme/vme_hcpu30.cpp +++ /dev/null @@ -1,195 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Sergey Svishchev - -/* - * Besta HCPU30 board, skeleton driver. - * - * Supported by SysV R3 "Bestix" port and also by Linux port, - * see https://github.com/shattered/linux-m68k - * - * 68030 @ 33 MHz - primary CPU - * 68882 @ ?? Mhz - FPU - * 68020 @ ?? MHz - I/O CPU (using shared memory region) - * - * 4 or 16 MB of DRAM - * 8 or 32 KB of NVRAM - * - * WD33C93 - SCSI - * DP8473 - Floppy - * i82586? - Ethernet - * 62421 - Real-time clock - */ - -#include "emu.h" -#include "vme_hcpu30.h" - -//#define LOG_GENERAL (1U << 0) -#define LOG_SETUP (1U << 1) -#define LOG_INT (1U << 2) - -//#define VERBOSE (LOG_GENERAL | LOG_SETUP | LOG_INT) -//#define LOG_OUTPUT_FUNC printf - -#include "logmacro.h" - -#define LOGSETUP(...) LOGMASKED(LOG_SETUP, __VA_ARGS__) -#define LOGINT(...) LOGMASKED(LOG_INT, __VA_ARGS__) - -#ifdef _MSC_VER -#define FUNCNAME __func__ -#else -#define FUNCNAME __PRETTY_FUNCTION__ -#endif - - -#define DUSCC_CLOCK XTAL(14'745'600) /* XXX Unverified */ -#define RS232P1_TAG "rs232p1" -#define RS232P2_TAG "rs232p2" - - -//************************************************************************** -// GLOBAL VARIABLES -//************************************************************************** - -DEFINE_DEVICE_TYPE(VME_HCPU30, vme_hcpu30_card_device, "hcpu30", "Besta HCPU30 CPU board") - -void vme_hcpu30_card_device::hcpu30_mem(address_map &map) -{ - map(0x00000000, 0x00000007).ram().w(FUNC(vme_hcpu30_card_device::bootvect_w)); /* After first write we act as RAM */ - map(0x00000000, 0x00000007).rom().r(FUNC(vme_hcpu30_card_device::bootvect_r)); /* ROM mirror just during reset */ - map(0x00000008, 0x001fffff).ram(); // local bus DRAM, 4MB - map(0x00200000, 0x00201fff).ram(); // AM_SHARE("iocpu") - map(0xff000000, 0xff007fff).rom().mirror(0x8000).region("user1", 0); - map(0xff020000, 0xff027fff).ram().mirror(0x8000); // SRAM 32KB - map(0xffff8000, 0xffff8fff).unmaprw(); // shared memory with iocpu - map(0xffff9000, 0xffff9fff).ram(); // SRAM, optional: battery-backed - map(0xfffff100, 0xfffff11f).unmaprw(); // VME bus configuration (accessed after DIP switch read) - map(0xfffff120, 0xfffff123).portr("SA1"); - map(0xfffff200, 0xfffff2ff).unmaprw(); - map(0xfffff300, 0xfffff3ff).rw("duscc", FUNC(duscc68562_device::read), FUNC(duscc68562_device::write)); - map(0xfffff600, 0xfffff6ff).unmaprw(); - map(0xfffff700, 0xfffff7ff).unmaprw(); -} - -static INPUT_PORTS_START(hcpu30) - PORT_START("SA1") - PORT_DIPNAME(0x03000000, 0x00000000, "Console port speed") - PORT_DIPSETTING(0x00000000, "9600") - PORT_DIPSETTING(0x01000000, "19200") - PORT_DIPSETTING(0x02000000, "38400") - PORT_DIPSETTING(0x03000000, "4800") - PORT_DIPNAME(0x04000000, 0x04000000, "Boot into...") - PORT_DIPSETTING(0x00000000, "UNIX") - PORT_DIPSETTING(0x04000000, "Monitor") - PORT_DIPNAME(0x10000000, 0x00000000, "VME bus width") - PORT_DIPSETTING(0x00000000, "32 bits") - PORT_DIPSETTING(0x10000000, "16 bits") - PORT_DIPNAME(0x20000000, 0x00000000, "VME bus free") - PORT_DIPSETTING(0x00000000, "ROR") - PORT_DIPSETTING(0x20000000, "not ROR") - PORT_DIPNAME(0x40000000, 0x00000000, "Cache burst mode") - PORT_DIPSETTING(0x00000000, "Off") - PORT_DIPSETTING(0x40000000, "On") - PORT_DIPNAME(0x80000000, 0x00000000, "Undefined") - PORT_DIPSETTING(0x00000000, "Off") - PORT_DIPSETTING(0x80000000, "On") -INPUT_PORTS_END - -ROM_START(hcpu30) - ROM_REGION32_BE(0x8000, "user1", ROMREGION_ERASEFF) - ROM_LOAD("hcpu30.27c256.dat", 0x0000, 0x8000, CRC(d24da66e) SHA1(5431b0559b168a995e725b35e1465a0b8ee8aa72)) -ROM_END - -//------------------------------------------------- -// rom_region - device-specific ROM region -//------------------------------------------------- - -const tiny_rom_entry *vme_hcpu30_card_device::device_rom_region() const -{ - return ROM_NAME(hcpu30); -} - -//------------------------------------------------- -// input_ports - device-specific input ports -//------------------------------------------------- - -ioport_constructor vme_hcpu30_card_device::device_input_ports() const -{ - return INPUT_PORTS_NAME(hcpu30); -} - -//------------------------------------------------- -// device_add_mconfig - add device configuration -//------------------------------------------------- - -void vme_hcpu30_card_device::device_add_mconfig(machine_config &config) -{ - M68030(config, m_maincpu, 2*16670000); - m_maincpu->set_addrmap(AS_PROGRAM, &vme_hcpu30_card_device::hcpu30_mem); - - DUSCC68562(config, m_dusccterm, DUSCC_CLOCK); - m_dusccterm->configure_channels(0, 0, 0, 0); - m_dusccterm->out_txda_callback().set(RS232P1_TAG, FUNC(rs232_port_device::write_txd)); - m_dusccterm->out_dtra_callback().set(RS232P1_TAG, FUNC(rs232_port_device::write_dtr)); - m_dusccterm->out_rtsa_callback().set(RS232P1_TAG, FUNC(rs232_port_device::write_rts)); - m_dusccterm->out_txdb_callback().set(RS232P2_TAG, FUNC(rs232_port_device::write_txd)); - m_dusccterm->out_dtrb_callback().set(RS232P2_TAG, FUNC(rs232_port_device::write_dtr)); - m_dusccterm->out_rtsb_callback().set(RS232P2_TAG, FUNC(rs232_port_device::write_rts)); -// m_dusccterm->out_int_callback(),set(FUNC()); - - rs232_port_device &rs232p1(RS232_PORT(config, RS232P1_TAG, default_rs232_devices, "terminal")); - rs232p1.rxd_handler().set(m_dusccterm, FUNC(duscc68562_device::rxa_w)); - rs232p1.cts_handler().set(m_dusccterm, FUNC(duscc68562_device::ctsa_w)); - - rs232_port_device &rs232p2(RS232_PORT(config, RS232P2_TAG, default_rs232_devices, nullptr)); - rs232p2.rxd_handler().set(m_dusccterm, FUNC(duscc68562_device::rxb_w)); - rs232p2.cts_handler().set(m_dusccterm, FUNC(duscc68562_device::ctsb_w)); -} - -/* Boot vector handler, the PCB hardwires the first 8 bytes from 0xff800000 to 0x0 at reset */ -READ32_MEMBER(vme_hcpu30_card_device::bootvect_r) -{ - LOG("%s\n", FUNCNAME); - return m_sysrom[offset]; -} - -WRITE32_MEMBER(vme_hcpu30_card_device::bootvect_w) -{ - LOG("%s\n", FUNCNAME); - m_sysram[offset % ARRAY_LENGTH(m_sysram)] &= ~mem_mask; - m_sysram[offset % ARRAY_LENGTH(m_sysram)] |= (data & mem_mask); - m_sysrom = &m_sysram[0]; // redirect all upcoming accesses to masking RAM until reset. -} - -vme_hcpu30_card_device::vme_hcpu30_card_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) - : device_t(mconfig, type, tag, owner, clock) - , device_vme_card_interface(mconfig, *this) - , m_maincpu(*this, "maincpu") - , m_dusccterm(*this, "duscc") -{ - LOG("%s %s\n", tag, FUNCNAME); - m_slot = 1; -} - -vme_hcpu30_card_device::vme_hcpu30_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : vme_hcpu30_card_device(mconfig, VME_HCPU30, tag, owner, clock) -{ -} - -void vme_hcpu30_card_device::device_start() -{ - LOG("%s %s\n", tag(), FUNCNAME); - - set_vme_device(); - - save_pointer (NAME (m_sysrom), sizeof(m_sysrom)); - save_pointer (NAME (m_sysram), sizeof(m_sysram)); - - /* Setup pointer to bootvector in ROM for bootvector handler bootvect_r */ - m_sysrom = (uint32_t*)(memregion ("user1")->base()); -} - -void vme_hcpu30_card_device::device_reset() -{ - LOG("%s %s\n", tag(), FUNCNAME); -} |