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Add timeout to infinite loop. 

Change-Id: I7d005b4779154b4dfe8c9a26f4f0e351f426df9b
__archive__
Tim Newsome 2016-11-27 15:09:42 -08:00
parent 364f4b5ab9
commit b8879d81a2
1 changed files with 13 additions and 1 deletions
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14
src/flash/nor/fespi.c
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@ -226,7 +226,19 @@ static int fespi_tx(struct flash_bank *bank, uint8_t in){
struct fespi_flash_bank *fespi_info = bank->driver_priv;
uint32_t ctrl_base = fespi_info->ctrl_base;
while ((int32_t) FESPI_READ_REG(FESPI_REG_TXFIFO) < 0);
int64_t start = timeval_ms();
while (1) {
if ((int32_t) FESPI_READ_REG(FESPI_REG_TXFIFO) >= 0) {
break;
}
int64_t now = timeval_ms();
if (now - start > 1000) {
LOG_ERROR("txfifo stayed negative.");
return ERROR_TARGET_TIMEOUT;
}
}
FESPI_WRITE_REG(FESPI_REG_TXFIFO, in);
return ERROR_OK;