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#include "gba/gba.h"
#include "gba/flash_internal.h"
static const char AgbLibFlashVersion[] = "FLASH1M_V102";
const struct FlashSetupInfo * const sSetupInfos[] =
{
&MX29L010,
&LE26FV10N1TS,
&DefaultFlash
};
u16 IdentifyFlash(void)
{
u16 result;
u16 flashId;
const struct FlashSetupInfo * const *setupInfo;
REG_WAITCNT = (REG_WAITCNT & ~WAITCNT_SRAM_MASK) | WAITCNT_SRAM_8;
flashId = ReadFlashId();
setupInfo = sSetupInfos;
result = 1;
for (;;)
{
if ((*setupInfo)->type.ids.separate.makerId == 0)
break;
if (flashId == (*setupInfo)->type.ids.joined)
{
result = 0;
break;
}
setupInfo++;
}
ProgramFlashSector = (*setupInfo)->programFlashSector;
EraseFlashChip = (*setupInfo)->eraseFlashChip;
EraseFlashSector = (*setupInfo)->eraseFlashSector;
WaitForFlashWrite = (*setupInfo)->waitForFlashWrite;
gFlashMaxTime = (*setupInfo)->maxTime;
gFlash = &(*setupInfo)->type;
return result;
}
u16 WaitForFlashWrite_Common(u8 phase, u8 *addr, u8 lastData)
{
u16 result = 0;
u8 status;
StartFlashTimer(phase);
while ((status = PollFlashStatus(addr)) != lastData)
{
if (status & 0x20)
{
// The write operation exceeded the flash chip's time limit.
if (PollFlashStatus(addr) == lastData)
break;
FLASH_WRITE(0x5555, 0xF0);
result = phase | 0xA000u;
break;
}
if (gFlashTimeoutFlag)
{
if (PollFlashStatus(addr) == lastData)
break;
FLASH_WRITE(0x5555, 0xF0);
result = phase | 0xC000u;
break;
}
}
StopFlashTimer();
return result;
}
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