On Friday 05 July 2013 02:37 PM, yuhang wang wrote: >> if (!quad_mode) >> dra7xxx_writel(qspi, qspi->cmd | QSPI_RD_SNGL, >> QSPI_SPI_CMD_REG); >> else >> dra7xxx_writel(qspi, qspi->cmd | QSPI_RD_QUAD, >> QSPI_SPI_CMD_REG); >> ....... >> } > So what do you based on to set variable quad_mode. Best way should be to check for flash device id and manufacture data. Based on which you can decide whether your flash supports quad bits or not.
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