From 46122960f0e7bac8cbb97bcccf8dc788c3a0beeb Mon Sep 17 00:00:00 2001 From: Ravi Babu Date: Wed, 11 Feb 2015 18:54:29 -0500 Subject: qspi: dra7x: enable quad mode read for ti-qspi driver This patch enables QUAD read mode for qspi to improve the read performace while loading the binaries from qspi. Signed-off-by: Ravi Babu Reviewed-by: Jagannadha Sutradharudu Teki --- drivers/spi/ti_qspi.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers') diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c index 857b60455a..3356c0f072 100644 --- a/drivers/spi/ti_qspi.c +++ b/drivers/spi/ti_qspi.c @@ -109,10 +109,17 @@ static void ti_spi_setup_spi_register(struct ti_qspi_slave *qslave) slave->op_mode_rx = 8; #endif +#ifdef CONFIG_QSPI_QUAD_SUPPORT + memval |= (QSPI_CMD_READ_QUAD | QSPI_SETUP0_NUM_A_BYTES | + QSPI_SETUP0_NUM_D_BYTES_8_BITS | + QSPI_SETUP0_READ_QUAD | QSPI_CMD_WRITE | + QSPI_NUM_DUMMY_BITS); +#else memval |= QSPI_CMD_READ | QSPI_SETUP0_NUM_A_BYTES | QSPI_SETUP0_NUM_D_BYTES_NO_BITS | QSPI_SETUP0_READ_NORMAL | QSPI_CMD_WRITE | QSPI_NUM_DUMMY_BITS; +#endif writel(memval, &qslave->base->setup0); } -- cgit v1.2.3