diff options
Diffstat (limited to 'src/mess/drivers/mini2440.c')
-rw-r--r-- | src/mess/drivers/mini2440.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/src/mess/drivers/mini2440.c b/src/mess/drivers/mini2440.c new file mode 100644 index 00000000000..261269bddcc --- /dev/null +++ b/src/mess/drivers/mini2440.c @@ -0,0 +1,277 @@ +/******************************************************************************* + + FriendlyARM Mini2440 + +*******************************************************************************/ + +#include "emu.h" +#include "cpu/arm7/arm7.h" +#include "machine/s3c2440.h" +#include "machine/smartmed.h" +#include "sound/dac.h" +#include "rendlay.h" + +#define VERBOSE_LEVEL ( 0 ) + +INLINE void ATTR_PRINTF(3,4) verboselog( running_machine &machine, 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); + } +} + +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") + { } + + required_device<cpu_device> m_maincpu; + + device_t *m_s3c2440; + nand_device *m_nand; + dac_device *m_dac[2]; + + UINT32 m_port[9]; + DECLARE_DRIVER_INIT(mini2440); +}; + +/*************************************************************************** + MACHINE HARDWARE +***************************************************************************/ + +// GPIO + +static UINT32 s3c2440_gpio_port_r( device_t *device, int port, UINT32 mask) +{ + mini2440_state *state = device->machine().driver_data<mini2440_state>(); + UINT32 data = state->m_port[port]; + switch (port) + { + 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; +} + +static void s3c2440_gpio_port_w( device_t *device, int port, UINT32 mask, UINT32 data) +{ + mini2440_state *state = device->machine().driver_data<mini2440_state>(); + state->m_port[port] = data; + switch (port) + { + case S3C2440_GPIO_PORT_B : + { + verboselog( device->machine(), 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) + +*/ + +static int s3c2440_core_pin_r( device_t *device, int pin) +{ + int data = 0; + switch (pin) + { + 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 + +static WRITE8_DEVICE_HANDLER( s3c2440_nand_command_w ) +{ + mini2440_state *state = device->machine().driver_data<mini2440_state>(); + state->m_nand->command_w(data); +} + +static WRITE8_DEVICE_HANDLER( s3c2440_nand_address_w ) +{ + mini2440_state *state = device->machine().driver_data<mini2440_state>(); + state->m_nand->address_w(data); +} + +static READ8_DEVICE_HANDLER( s3c2440_nand_data_r ) +{ + mini2440_state *state = device->machine().driver_data<mini2440_state>(); + return state->m_nand->data_r(); +} + +static WRITE8_DEVICE_HANDLER( s3c2440_nand_data_w ) +{ + mini2440_state *state = device->machine().driver_data<mini2440_state>(); + state->m_nand->data_w(data); +} + +// I2S + +static WRITE16_DEVICE_HANDLER( s3c2440_i2s_data_w ) +{ + mini2440_state *state = device->machine().driver_data<mini2440_state>(); + state->m_dac[offset]->write_signed16(data + 0x8000); +} + +// ADC + +static READ32_DEVICE_HANDLER( s3c2440_adc_data_r ) +{ + UINT32 data = 0; + switch (offset) + { + case 2 + 0 : data = device->machine().root_device().ioport( "PENX")->read(); break; + case 2 + 1 : data = 915 - device->machine().root_device().ioport( "PENY")->read() + 90; break; + } + verboselog( device->machine(), 5, "s3c2440_adc_data_r %08X\n", data); + return data; +} + +// TOUCH + +static INPUT_CHANGED( mini2440_input_changed ) +{ + mini2440_state *state = field.machine().driver_data<mini2440_state>(); + s3c2440_touch_screen( state->m_s3c2440, (newval & 0x01) ? 1 : 0); +} + +// ... + +static MACHINE_START( mini2440 ) +{ + mini2440_state *state = machine.driver_data<mini2440_state>(); + state->m_s3c2440 = machine.device("s3c2440"); + state->m_nand = machine.device<nand_device>("nand"); + state->m_dac[0] = machine.device<dac_device>("dac1"); + state->m_dac[1] = machine.device<dac_device>("dac2"); + state->m_nand->set_data_ptr(state->memregion("nand")->base()); +} + +static MACHINE_RESET( mini2440 ) +{ + mini2440_state *state = machine.driver_data<mini2440_state>(); + devtag_reset( machine, "maincpu"); + memset( state->m_port, 0, sizeof( state->m_port)); +} + +/*************************************************************************** + ADDRESS MAPS +***************************************************************************/ + +static ADDRESS_MAP_START( mini2440_map, AS_PROGRAM, 32, mini2440_state ) +// AM_RANGE(0x00000000, 0x001fffff) AM_ROM + AM_RANGE(0x30000000, 0x37ffffff) AM_RAM +ADDRESS_MAP_END + +/*************************************************************************** + MACHINE DRIVERS +***************************************************************************/ + +DRIVER_INIT_MEMBER(mini2440_state,mini2440) +{ + // do nothing +} + +static S3C2440_INTERFACE( mini2440_s3c2440_intf ) +{ + // CORE (pin read / pin write) + { s3c2440_core_pin_r, NULL }, + // GPIO (port read / port write) + { s3c2440_gpio_port_r, s3c2440_gpio_port_w }, + // I2C (scl write / sda read / sda write) + { NULL, NULL, NULL }, + // ADC (data read) + { s3c2440_adc_data_r }, + // I2S (data write) + { s3c2440_i2s_data_w }, + // NAND (command write / address write / data read / data write) + { s3c2440_nand_command_w, s3c2440_nand_address_w, s3c2440_nand_data_r, s3c2440_nand_data_w } +}; + +static NAND_INTERFACE( mini2440_nand_intf ) +{ + NAND_CHIP_K9F1G08U0B, + DEVCB_DEVICE_LINE( "s3c2440", s3c2440_pin_frnb_w) +}; + +static MACHINE_CONFIG_START( mini2440, mini2440_state ) + MCFG_CPU_ADD("maincpu", ARM920T, 400000000) + MCFG_CPU_PROGRAM_MAP(mini2440_map) + + MCFG_PALETTE_LENGTH(32768) + + MCFG_SCREEN_ADD("screen", LCD) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_SIZE(1024, 768) + MCFG_SCREEN_VISIBLE_AREA(0, 239, 0, 319) + MCFG_DEFAULT_LAYOUT(layout_lcd) + + MCFG_VIDEO_START(s3c2440) + MCFG_SCREEN_UPDATE_STATIC(s3c2440) + + MCFG_MACHINE_START(mini2440) + MCFG_MACHINE_RESET(mini2440) + + MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") + MCFG_SOUND_ADD("dac1", DAC, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0) + MCFG_SOUND_ADD("dac2", DAC, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0) + + MCFG_S3C2440_ADD("s3c2440", 12000000, mini2440_s3c2440_intf) + + MCFG_NAND_ADD("nand", mini2440_nand_intf) +MACHINE_CONFIG_END + +static INPUT_PORTS_START( mini2440 ) + PORT_START( "PENB" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Pen Button") PORT_CHANGED(mini2440_input_changed, NULL) 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(1) ) + 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(2) ) + ROM_SYSTEM_BIOS( 2, "android", "Android 1.5 (2009/05/13)" ) + ROMX_LOAD( "android.bin", 0, 0x8400000, CRC(4721837d) SHA1(88fcf553b106d9fc624c9615d9c1da9c705ccb46), ROM_BIOS(3) ) +ROM_END + +COMP(2009, mini2440, 0, 0, mini2440, mini2440, mini2440_state, mini2440, "FriendlyARM", "Mini2440", 0) |