// license:BSD-3-Clause
// copyright-holders:Tim Schuerewegen, R. Belmont, David Haywood
/*******************************************************************************
Happy Fish 2 302-in-1
Skeleton driver adapted from mini2440.cpp
TODO: Linux kernel + initrd loads now but not much happens afterwards.
To see bootloader messages, uncomment the UART_PRINTF define in s3c24xx.hxx.
*******************************************************************************/
#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"
#include <algorithm>
#define VERBOSE_LEVEL ( 0 )
class hapyfish_state : public driver_device
{
public:
hapyfish_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_nand2(*this, "nand2"),
m_ldac(*this, "ldac"),
m_rdac(*this, "rdac")
{ }
void hapyfish(machine_config &config);
void init_mini2440();
private:
required_device<cpu_device> m_maincpu;
required_device<s3c2440_device> m_s3c2440;
required_device<nand_device> m_nand, m_nand2;
required_device<dac_word_interface> m_ldac;
required_device<dac_word_interface> m_rdac;
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 hapyfish_map(address_map &map);
};
inline void hapyfish_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(hapyfish_state::s3c2440_gpio_port_r)
{
uint32_t data = m_port[offset];
verboselog(3, "Read GPIO @ %x\n", offset);
switch (offset)
{
case S3C2440_GPIO_PORT_E:
data = 0x80008000;
break;
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(hapyfish_state::s3c2440_gpio_port_w)
{
// tout2/gb2 -> uda1341ts l3mode
// tout3/gb3 -> uda1341ts l3data
// tclk0/gb4 -> uda1341ts l3clock
//printf("%08x to GPIO @ %x\n", data, offset);
m_port[offset] = data;
}
// 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(hapyfish_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(hapyfish_state::s3c2440_nand_command_w )
{
if ((m_port[8] & 0x1800) != 0)
{
m_nand->command_w(data);
}
else
{
m_nand2->command_w(data);
}
}
WRITE8_MEMBER(hapyfish_state::s3c2440_nand_address_w )
{
if ((m_port[8] & 0x1800) != 0)
{
m_nand->address_w(data);
}
else
{
m_nand2->address_w(data);
}
}
READ8_MEMBER(hapyfish_state::s3c2440_nand_data_r )
{
if ((m_port[8] & 0x1800) != 0)
{
return m_nand->data_r();
}
return m_nand2->data_r();
}
WRITE8_MEMBER(hapyfish_state::s3c2440_nand_data_w )
{
if ((m_port[8] & 0x1800) != 0)
{
m_nand->data_w(data);
return;
}
m_nand2->data_w(data);
}
// I2S
WRITE16_MEMBER(hapyfish_state::s3c2440_i2s_data_w )
{
if (offset)
m_ldac->write(data);
else
m_rdac->write(data);
}
// ADC
READ32_MEMBER(hapyfish_state::s3c2440_adc_data_r )
{
uint32_t data = 0;
return data;
}
// ...
void hapyfish_state::machine_start()
{
m_nand->set_data_ptr(memregion("nand")->base());
m_nand2->set_data_ptr(memregion("nand2")->base());
m_port[8] = 0x1800; // select NAND #1 (S3C2440 bootloader will happen before machine_reset())
}
void hapyfish_state::machine_reset()
{
m_maincpu->reset();
std::fill(std::begin(m_port), std::end(m_port), 0);
m_port[8] = 0x1800; // select NAND #1
}
/***************************************************************************
ADDRESS MAPS
***************************************************************************/
void hapyfish_state::hapyfish_map(address_map &map)
{
map(0x30000000, 0x37ffffff).ram();
}
/***************************************************************************
MACHINE DRIVERS
***************************************************************************/
void hapyfish_state::init_mini2440()
{
// do nothing
}
MACHINE_CONFIG_START(hapyfish_state::hapyfish)
MCFG_DEVICE_ADD("maincpu", ARM920T, 100000000)
MCFG_DEVICE_PROGRAM_MAP(hapyfish_map)
MCFG_PALETTE_ADD("palette", 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, 639, 0, 479)
MCFG_SCREEN_UPDATE_DEVICE("s3c2440", s3c2440_device, screen_update)
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
MCFG_DEVICE_ADD("ldac", UDA1341TS, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0) // uda1341ts.u12
MCFG_DEVICE_ADD("rdac", UDA1341TS, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0) // uda1341ts.u12
MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0)
MCFG_SOUND_ROUTE(0, "ldac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "ldac", -1.0, DAC_VREF_NEG_INPUT)
MCFG_SOUND_ROUTE(0, "rdac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_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(hapyfish_state::s3c2440_core_pin_r));
m_s3c2440->gpio_port_r_callback().set(FUNC(hapyfish_state::s3c2440_gpio_port_r));
m_s3c2440->gpio_port_w_callback().set(FUNC(hapyfish_state::s3c2440_gpio_port_w));
m_s3c2440->adc_data_r_callback().set(FUNC(hapyfish_state::s3c2440_adc_data_r));
m_s3c2440->i2s_data_w_callback().set(FUNC(hapyfish_state::s3c2440_i2s_data_w));
m_s3c2440->nand_command_w_callback().set(FUNC(hapyfish_state::s3c2440_nand_command_w));
m_s3c2440->nand_address_w_callback().set(FUNC(hapyfish_state::s3c2440_nand_address_w));
m_s3c2440->nand_data_r_callback().set(FUNC(hapyfish_state::s3c2440_nand_data_r));
m_s3c2440->nand_data_w_callback().set(FUNC(hapyfish_state::s3c2440_nand_data_w));
NAND(config, m_nand, 0);
m_nand->set_nand_type(nand_device::chip::K9LAG08U0M);
m_nand->rnb_wr_callback().set(m_s3c2440, FUNC(s3c2440_device::frnb_w));
NAND(config, m_nand2, 0);
m_nand2->set_nand_type(nand_device::chip::K9LAG08U0M);
m_nand2->rnb_wr_callback().set(m_s3c2440, FUNC(s3c2440_device::frnb_w));
MACHINE_CONFIG_END
static INPUT_PORTS_START( hapyfish )
INPUT_PORTS_END
/***************************************************************************
GAME DRIVERS
***************************************************************************/
ROM_START( hapyfsh2 )
ROM_REGION( 0x84000000, "nand", 0 )
ROM_LOAD( "flash.u6", 0x00000000, 0x84000000, CRC(3aa364a2) SHA1(fe09f549a937ecaf8f7a859522a6635e272fe714) )
ROM_REGION( 0x84000000, "nand2", 0 )
ROM_LOAD( "flash.u28", 0x00000000, 0x84000000, CRC(f00a25cd) SHA1(9c33f8e26b84cea957d9c37fb83a686b948c6834) )
ROM_END
GAME( 201?, hapyfsh2, 0, hapyfish, hapyfish, hapyfish_state, empty_init, ROT0, "bootleg", "Happy Fish (V2 PCB, 302-in-1)", MACHINE_IS_SKELETON )