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-rw-r--r--src/mame/drivers/iphone2g.cpp98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/mame/drivers/iphone2g.cpp b/src/mame/drivers/iphone2g.cpp
new file mode 100644
index 00000000000..6b6cedf37df
--- /dev/null
+++ b/src/mame/drivers/iphone2g.cpp
@@ -0,0 +1,98 @@
+// 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 "screen.h"
+
+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_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;
+
+ DECLARE_READ32_MEMBER(clock1_r);
+
+private:
+ required_device<cpu_device> m_maincpu;
+ required_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;
+}
+
+READ32_MEMBER(iphone2g_state::clock1_r)
+{
+ 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, 0x07FFFFFF).mirror(0x18000000).ram().share("ram"); /* DRAM */
+ map(0x20000000, 0x2000FFFF).rom().region("bios", 0); /* BIOS */
+ map(0x22000000, 0x224FFFFF).ram(); /* SRAM */
+ map(0x3C500000, 0x3C500FFF).r(FUNC(iphone2g_state::clock1_r)).nopw();
+}
+
+void iphone2g_state::machine_start()
+{
+ std::copy_n(m_bios.target(), m_bios.length(), m_ram.target());
+}
+
+void iphone2g_state::machine_reset()
+{
+}
+
+MACHINE_CONFIG_START(iphone2g_state::iphone2g)
+
+ /* Basic machine hardware */
+ MCFG_DEVICE_ADD(m_maincpu, ARM1176JZF_S, XTAL(12'000'000) * 103 / 3) //412 MHz, downclocked from 600 MHz
+ MCFG_DEVICE_PROGRAM_MAP(mem_map)
+
+ MCFG_SCREEN_ADD(m_screen, RASTER)
+ MCFG_SCREEN_RAW_PARAMS(XTAL(12'000'000), 320, 0, 320, 480, 0, 480) //Complete guess
+ MCFG_SCREEN_UPDATE_DRIVER(iphone2g_state, screen_update)
+MACHINE_CONFIG_END
+
+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 )