// license:BSD-3-Clause // copyright-holders:Tim Schuerewegen /******************************************************************************* FriendlyARM Mini2440 *******************************************************************************/ #include "emu.h" #include "cpu/arm7/arm7.h" #include "machine/s3c2440.h" #include "machine/smartmed.h" #include "sound/dac.h" #include "sound/volt_reg.h" #include "screen.h" #include "speaker.h" #define VERBOSE_LEVEL ( 0 ) class mini2440_state : public driver_device { public: mini2440_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_s3c2440(*this, "s3c2440"), m_nand(*this, "nand"), m_ldac(*this, "ldac"), m_rdac(*this, "rdac"), m_penx(*this, "PENX"), m_peny(*this, "PENY") { } void mini2440(machine_config &config); void init_mini2440(); DECLARE_INPUT_CHANGED_MEMBER(mini2440_input_changed); private: required_device m_maincpu; required_device m_s3c2440; required_device m_nand; required_device m_ldac; required_device m_rdac; required_ioport m_penx; required_ioport m_peny; uint32_t m_port[9]; virtual void machine_start() override; virtual void machine_reset() override; inline void verboselog(int n_level, const char *s_fmt, ...) ATTR_PRINTF(3,4); DECLARE_READ32_MEMBER(s3c2440_gpio_port_r); DECLARE_WRITE32_MEMBER(s3c2440_gpio_port_w); DECLARE_READ32_MEMBER(s3c2440_core_pin_r); DECLARE_WRITE8_MEMBER(s3c2440_nand_command_w ); DECLARE_WRITE8_MEMBER(s3c2440_nand_address_w ); DECLARE_READ8_MEMBER(s3c2440_nand_data_r ); DECLARE_WRITE8_MEMBER(s3c2440_nand_data_w ); DECLARE_WRITE16_MEMBER(s3c2440_i2s_data_w ); DECLARE_READ32_MEMBER(s3c2440_adc_data_r ); void mini2440_map(address_map &map); }; inline void mini2440_state::verboselog(int n_level, const char *s_fmt, ...) { if (VERBOSE_LEVEL >= n_level) { va_list v; char buf[32768]; va_start( v, s_fmt); vsprintf( buf, s_fmt, v); va_end( v); logerror( "%s: %s", machine().describe_context(), buf); } } /*************************************************************************** MACHINE HARDWARE ***************************************************************************/ // GPIO READ32_MEMBER(mini2440_state::s3c2440_gpio_port_r) { uint32_t data = m_port[offset]; switch (offset) { case S3C2440_GPIO_PORT_G : { data = (data & ~(1 << 13)) | (1 << 13); // [nand] 1 = 2048 byte page (if ncon = 1) data = (data & ~(1 << 14)) | (1 << 14); // [nand] 1 = 5 address cycle (if ncon = 1) data = (data & ~(1 << 15)) | (0 << 15); // [nand] 0 = 8-bit bus width (if ncon = 1) data = data | 0x8E9; // for "load Image of Linux..." } break; } return data; } WRITE32_MEMBER(mini2440_state::s3c2440_gpio_port_w) { // tout2/gb2 -> uda1341ts l3mode // tout3/gb3 -> uda1341ts l3data // tclk0/gb4 -> uda1341ts l3clock m_port[offset] = data; switch (offset) { case S3C2440_GPIO_PORT_B : { verboselog(5, "LED %d %d %d %d\n", BIT( data, 5), BIT( data, 6), BIT( data, 7), BIT( data, 8)); } break; } } // CORE /* OM[1:0] = 00: Enable NAND flash memory boot NCON: NAND flash memory selection (Normal / Advance) 0: Normal NAND flash (256Words/512Bytes page size, 3/4 address cycle) 1: Advance NAND flash (1KWords/2KBytes page size, 4/5 address cycle) */ READ32_MEMBER(mini2440_state::s3c2440_core_pin_r) { int data = 0; switch (offset) { case S3C2440_CORE_PIN_NCON : data = 1; break; case S3C2440_CORE_PIN_OM0 : data = 0; break; case S3C2440_CORE_PIN_OM1 : data = 0; break; } return data; } // NAND WRITE8_MEMBER(mini2440_state::s3c2440_nand_command_w ) { m_nand->command_w(data); } WRITE8_MEMBER(mini2440_state::s3c2440_nand_address_w ) { m_nand->address_w(data); } READ8_MEMBER(mini2440_state::s3c2440_nand_data_r ) { return m_nand->data_r(); } WRITE8_MEMBER(mini2440_state::s3c2440_nand_data_w ) { m_nand->data_w(data); } // I2S WRITE16_MEMBER(mini2440_state::s3c2440_i2s_data_w ) { if ( offset ) m_ldac->write(data); else m_rdac->write(data); } // ADC READ32_MEMBER(mini2440_state::s3c2440_adc_data_r ) { uint32_t data = 0; switch (offset) { case 2 + 0 : data = m_penx->read(); break; case 2 + 1 : data = 915 - m_peny->read() + 90; break; } verboselog(5, "s3c2440_adc_data_r %08X\n", data); return data; } // TOUCH INPUT_CHANGED_MEMBER(mini2440_state::mini2440_input_changed) { m_s3c2440->s3c2440_touch_screen( (newval & 0x01) ? 1 : 0); } // ... void mini2440_state::machine_start() { m_nand->set_data_ptr(memregion("nand")->base()); } void mini2440_state::machine_reset() { m_maincpu->reset(); memset( m_port, 0, sizeof( m_port)); } /*************************************************************************** ADDRESS MAPS ***************************************************************************/ void mini2440_state::mini2440_map(address_map &map) { // map(0x00000000, 0x001fffff).rom(); map(0x30000000, 0x37ffffff).ram(); } /*************************************************************************** MACHINE DRIVERS ***************************************************************************/ void mini2440_state::init_mini2440() { // do nothing } void mini2440_state::mini2440(machine_config &config) { ARM920T(config, m_maincpu, 400000000); m_maincpu->set_addrmap(AS_PROGRAM, &mini2440_state::mini2440_map); PALETTE(config, "palette").set_entries(32768); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD)); screen.set_refresh_hz(60); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_size(1024, 768); screen.set_visarea(0, 239, 0, 319); screen.set_screen_update("s3c2440", FUNC(s3c2440_device::screen_update)); SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); UDA1341TS(config, m_ldac, 0).add_route(ALL_OUTPUTS, "lspeaker", 1.0); // uda1341ts.u12 UDA1341TS(config, m_rdac, 0).add_route(ALL_OUTPUTS, "rspeaker", 1.0); // uda1341ts.u12 voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref")); vref.add_route(0, "ldac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "ldac", -1.0, DAC_VREF_NEG_INPUT); vref.add_route(0, "rdac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "rdac", -1.0, DAC_VREF_NEG_INPUT); S3C2440(config, m_s3c2440, 12000000); m_s3c2440->set_palette_tag("palette"); m_s3c2440->set_screen_tag("screen"); m_s3c2440->core_pin_r_callback().set(FUNC(mini2440_state::s3c2440_core_pin_r)); m_s3c2440->gpio_port_r_callback().set(FUNC(mini2440_state::s3c2440_gpio_port_r)); m_s3c2440->gpio_port_w_callback().set(FUNC(mini2440_state::s3c2440_gpio_port_w)); m_s3c2440->adc_data_r_callback().set(FUNC(mini2440_state::s3c2440_adc_data_r)); m_s3c2440->i2s_data_w_callback().set(FUNC(mini2440_state::s3c2440_i2s_data_w)); m_s3c2440->nand_command_w_callback().set(FUNC(mini2440_state::s3c2440_nand_command_w)); m_s3c2440->nand_address_w_callback().set(FUNC(mini2440_state::s3c2440_nand_address_w)); m_s3c2440->nand_data_r_callback().set(FUNC(mini2440_state::s3c2440_nand_data_r)); m_s3c2440->nand_data_w_callback().set(FUNC(mini2440_state::s3c2440_nand_data_w)); NAND(config, m_nand, 0); m_nand->set_nand_type(nand_device::chip::K9F1G08U0B); m_nand->rnb_wr_callback().set(m_s3c2440, FUNC(s3c2440_device::frnb_w)); } static INPUT_PORTS_START( mini2440 ) PORT_START( "PENB" ) PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Pen Button") PORT_CHANGED_MEMBER(DEVICE_SELF, mini2440_state, mini2440_input_changed, 0) PORT_PLAYER(1) PORT_START( "PENX" ) PORT_BIT( 0x3ff, 0x200, IPT_LIGHTGUN_X ) PORT_NAME("Pen X") PORT_MINMAX(80, 950) PORT_SENSITIVITY(50) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_KEYDELTA(30) PORT_PLAYER(1) PORT_START( "PENY" ) PORT_BIT( 0x3ff, 0x200, IPT_LIGHTGUN_Y ) PORT_NAME("Pen Y") PORT_MINMAX(90, 915) PORT_SENSITIVITY(50) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_KEYDELTA(30) PORT_PLAYER(1) INPUT_PORTS_END /*************************************************************************** GAME DRIVERS ***************************************************************************/ ROM_START( mini2440 ) ROM_REGION( 0x8400000, "nand", 0 ) ROM_SYSTEM_BIOS( 0, "linux", "Linux 2.6.29.4-FriendlyARM + Qtopia 2.2.0 (2009/07/08)" ) ROMX_LOAD( "linux.bin", 0, 0x8400000, CRC(7c98b249) SHA1(7c2e76edcbbcbfc3f3b0e53fb42d3e5c96e9a9fb), ROM_BIOS(0) ) ROM_SYSTEM_BIOS( 1, "wince", "Windows Embedded CE 6.00 (2011/03/14)" ) ROMX_LOAD( "wince.bin", 0, 0x8400000, CRC(6acd56b8) SHA1(d039968820348fb1169827fa12b38b94e80a076f), ROM_BIOS(1) ) ROM_SYSTEM_BIOS( 2, "android", "Android 1.5 (2009/05/13)" ) ROMX_LOAD( "android.bin", 0, 0x8400000, CRC(4721837d) SHA1(88fcf553b106d9fc624c9615d9c1da9c705ccb46), ROM_BIOS(2) ) ROM_END COMP(2009, mini2440, 0, 0, mini2440, mini2440, mini2440_state, init_mini2440, "FriendlyARM", "Mini2440", 0)