diff options
Diffstat (limited to 'src/mame/drivers/iphone2g.cpp')
-rw-r--r-- | src/mame/drivers/iphone2g.cpp | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/src/mame/drivers/iphone2g.cpp b/src/mame/drivers/iphone2g.cpp deleted file mode 100644 index 9b2ab7b7441..00000000000 --- a/src/mame/drivers/iphone2g.cpp +++ /dev/null @@ -1,322 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Melissa Goad -/*************************************************************************** - - iphone2g.cpp - - Driver file to handle emulation of the original iPhone - -***************************************************************************/ - -#include "emu.h" -#include "cpu/arm7/arm7.h" -#include "cpu/arm7/arm7core.h" -#include "machine/bankdev.h" -#include "machine/vic_pl192.h" -#include "screen.h" - -class iphone2g_spi_device : public device_t, public device_memory_interface -{ -public: - iphone2g_spi_device(const machine_config &mconfig, const char* tag, device_t *owner, uint32_t clock = 0); - - auto out_irq_cb() { return m_out_irq_func.bind(); } - - void map(address_map &map); - -protected: - iphone2g_spi_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); - - // device-level overrides - virtual void device_resolve_objects() override; - virtual void device_start() override; - virtual void device_reset() override; - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; - - virtual space_config_vector memory_space_config() const override; - -private: - static constexpr device_timer_id TIMER_SEND_IRQ = 0; - - address_space_config m_mmio_config; - - devcb_write_line m_out_irq_func; - - u8 cmd, tx_data; - u32 ctrl; - u16 status; -}; - -DECLARE_DEVICE_TYPE(IPHONE2G_SPI, iphone2g_spi_device) - -void iphone2g_spi_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) -{ - m_out_irq_func(1); -} - -void iphone2g_spi_device::map(address_map &map) -{ - map(0x00,0x03).lrw32(NAME([this](offs_t offset){ return ctrl; }), NAME([this](offs_t offset, u32 data){ - if(data & 1) - { - status |= 0xfff2; - cmd = tx_data; - timer_set(attotime::from_hz(1'000), TIMER_SEND_IRQ); - } - ctrl = data; - })); - map(0x08, 0x09).lr16([this](offs_t offset){ return status; }, "status").umask32(0x0000ffff); - map(0x10, 0x10).lrw8(NAME([this](offs_t offset){ return tx_data; }), NAME([this](offs_t offset, u8 data){ tx_data = data; })).umask32(0x000000ff); - map(0x20, 0x20).lr8([this](offs_t offset){ - // FIXME: make this less hacky - switch(cmd) - { - case 0x95: return 0x01; - case 0xda: return 0x71; - case 0xdb: return 0xc2; - case 0xdc: return 0x00; - } - return 0; - }, "rx_data"); -} - -device_memory_interface::space_config_vector iphone2g_spi_device::memory_space_config() const -{ - return space_config_vector{ - std::make_pair(0, &m_mmio_config) - }; -} - -void iphone2g_spi_device::device_resolve_objects() -{ - // resolve callbacks - m_out_irq_func.resolve_safe(); -} - -void iphone2g_spi_device::device_start() -{ - save_item(NAME(cmd)); - save_item(NAME(ctrl)); - save_item(NAME(tx_data)); - save_item(NAME(status)); -} - -void iphone2g_spi_device::device_reset() -{ - cmd = ctrl= status = tx_data = 0; -} - -DEFINE_DEVICE_TYPE(IPHONE2G_SPI, iphone2g_spi_device, "iphone2g_spi", "iPhone 2G SPI controller") - -iphone2g_spi_device::iphone2g_spi_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_memory_interface(mconfig, *this) - , m_mmio_config("mmio", ENDIANNESS_LITTLE, 32, 32, 0) - , m_out_irq_func(*this) -{ -} - -iphone2g_spi_device::iphone2g_spi_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : iphone2g_spi_device(mconfig, IPHONE2G_SPI, tag, owner, clock) -{ -} - -class iphone2g_timer_device : public device_t, public device_memory_interface -{ -public: - iphone2g_timer_device(const machine_config &mconfig, const char* tag, device_t *owner, uint32_t clock = 0); - - auto out_irq_cb() { return m_out_irq_func.bind(); } - - void map(address_map &map); - void timer_map(address_map &map); - -protected: - iphone2g_timer_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); - - // device-level overrides - virtual void device_resolve_objects() override; - virtual void device_start() override; - virtual void device_reset() override; - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; - - virtual space_config_vector memory_space_config() const override; - -private: - static constexpr device_timer_id TIMER_TICK = 0; - - address_space_config m_mmio_config; - - devcb_write_line m_out_irq_func; - - struct timer - { - u16 config; - u8 state; - u32 count_buffer[2], count; - } timers[7]; - - u64 ticks; -}; - -DECLARE_DEVICE_TYPE(IPHONE2G_TIMER, iphone2g_timer_device) - -void iphone2g_timer_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) -{ - m_out_irq_func(1); -} - -void iphone2g_timer_device::map(address_map &map) -{ -} - -device_memory_interface::space_config_vector iphone2g_timer_device::memory_space_config() const -{ - return space_config_vector{ - std::make_pair(0, &m_mmio_config) - }; -} - -void iphone2g_timer_device::device_resolve_objects() -{ - // resolve callbacks - m_out_irq_func.resolve_safe(); -} - -void iphone2g_timer_device::device_start() -{ -} - -void iphone2g_timer_device::device_reset() -{ -} - -DEFINE_DEVICE_TYPE(IPHONE2G_TIMER, iphone2g_timer_device, "iphone2g_timer", "iPhone 2G timers") - -iphone2g_timer_device::iphone2g_timer_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_memory_interface(mconfig, *this) - , m_mmio_config("mmio", ENDIANNESS_LITTLE, 32, 32, 0) - , m_out_irq_func(*this) -{ -} - -iphone2g_timer_device::iphone2g_timer_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : iphone2g_timer_device(mconfig, IPHONE2G_TIMER, tag, owner, clock) -{ -} - -class iphone2g_state : public driver_device -{ -public: - iphone2g_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_vic0(*this, "vic0"), - m_vic1(*this, "vic1"), - m_spi(*this, {"spi0", "spi1", "spi2"}), - m_timers(*this, "timers"), - m_ram(*this, "ram"), - m_bios(*this, "bios"), - m_screen(*this, "screen") - { } - - void iphone2g(machine_config &config); - -protected: - virtual void machine_start() override; - virtual void machine_reset() override; - - uint32_t clock1_r(offs_t offset); - -private: - required_device<cpu_device> m_maincpu; - required_device<vic_pl192_device> m_vic0; - required_device<vic_pl192_device> m_vic1; - required_device_array<iphone2g_spi_device, 3> m_spi; - required_device<iphone2g_timer_device> m_timers; - optional_shared_ptr<uint32_t> m_ram; - required_region_ptr<uint32_t> m_bios; - required_device<screen_device> m_screen; - - uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); - - void mem_map(address_map &map); -}; - -uint32_t iphone2g_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) -{ - return 0; -} - -uint32_t iphone2g_state::clock1_r(offs_t offset) -{ - uint32_t ret = 0; - switch(offset) - { - case 0x40/4: ret = 1; break; //boot rom needs this to not infinite loop at startup. - } - - logerror("%s: Clock1 read: offset %08x data %08x\n", machine().describe_context(), offset << 2, ret); - - return ret; -} - -void iphone2g_state::mem_map(address_map &map) -{ - map(0x00000000, 0x0000ffff).mirror(0x20000000).rom().region("bios", 0); /* BIOS */ - map(0x22000000, 0x224fffff).ram(); /* SRAM */ - map(0x38e00000, 0x38e00fff).m(m_vic0, FUNC(vic_pl192_device::map)); - map(0x38e01000, 0x38e01fff).m(m_vic1, FUNC(vic_pl192_device::map)); - map(0x3c300000, 0x3c3000ff).m(m_spi[0], FUNC(iphone2g_spi_device::map)); - map(0x3c500000, 0x3c500fff).r(FUNC(iphone2g_state::clock1_r)).nopw(); - map(0x3ce00000, 0x3ce000ff).m(m_spi[1], FUNC(iphone2g_spi_device::map)); - map(0x3d200000, 0x3d2000ff).m(m_spi[2], FUNC(iphone2g_spi_device::map)); -} - -void iphone2g_state::machine_start() -{ - //std::copy_n(m_bios.target(), m_bios.length(), m_ram.target()); -} - -void iphone2g_state::machine_reset() -{ -} - -void iphone2g_state::iphone2g(machine_config &config) -{ - /* Basic machine hardware */ - ARM1176JZF_S(config, m_maincpu, XTAL(12'000'000) * 103 / 3); //412 MHz, downclocked from 600 MHz - m_maincpu->set_addrmap(AS_PROGRAM, &iphone2g_state::mem_map); - - PL192_VIC(config, m_vic0); - m_vic0->out_irq_cb().set_inputline("maincpu", ARM7_IRQ_LINE); - m_vic0->out_fiq_cb().set_inputline("maincpu", ARM7_FIRQ_LINE); - - IPHONE2G_SPI(config, m_spi[0], XTAL(12'000'000)); - m_spi[0]->out_irq_cb().set(m_vic0, FUNC(vic_pl192_device::irq_w<0x09>)); - - IPHONE2G_SPI(config, m_spi[1], XTAL(12'000'000)); - m_spi[1]->out_irq_cb().set(m_vic0, FUNC(vic_pl192_device::irq_w<0x0a>)); - - IPHONE2G_SPI(config, m_spi[2], XTAL(12'000'000)); - m_spi[2]->out_irq_cb().set(m_vic0, FUNC(vic_pl192_device::irq_w<0x0b>)); - - IPHONE2G_TIMER(config, m_timers, XTAL(12'000'000)); - m_timers->out_irq_cb().set(m_vic0, FUNC(vic_pl192_device::irq_w<0x07>)); - - PL192_VIC(config, m_vic1); - - SCREEN(config, m_screen, SCREEN_TYPE_RASTER); - m_screen->set_raw(XTAL(12'000'000), 320, 0, 320, 480, 0, 480); //Complete guess - m_screen->set_screen_update(FUNC(iphone2g_state::screen_update)); -} - -ROM_START(iphone2g) - ROM_REGION32_LE(0x10000, "bios", 0) - ROM_LOAD("s5l8900-bootrom.bin", 0x00000, 0x10000, CRC(beb15cd1) SHA1(079a3acab577eb52cc349ea811af3cbd5d01b8f5)) -ROM_END - -/* YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS */ -// console section -CONS( 2007, iphone2g, 0, 0, iphone2g, 0, iphone2g_state, empty_init, "Apple", "iPhone (A1203)", MACHINE_IS_SKELETON ) |