diff options
| author | Ravi Babu <ravibabu@ti.com> | 2015-02-11 18:54:29 -0500 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> | 2015-03-30 01:39:20 +0530 |
| commit | 46122960f0e7bac8cbb97bcccf8dc788c3a0beeb (patch) | |
| tree | ca04d74539ddc9c1f2659795e4ce8e1579db94ba | |
| parent | 81a66446c319225c4a8f0c4c0d9cf4ee10f8c2b9 (diff) | |
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 <ravibabu@ti.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
| -rw-r--r-- | drivers/spi/ti_qspi.c | 7 | ||||
| -rw-r--r-- | include/configs/dra7xx_evm.h | 1 |
2 files changed, 8 insertions, 0 deletions
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); } diff --git a/include/configs/dra7xx_evm.h b/include/configs/dra7xx_evm.h index dee2b11056..8fe0e6c16a 100644 --- a/include/configs/dra7xx_evm.h +++ b/include/configs/dra7xx_evm.h @@ -77,6 +77,7 @@ #define CONFIG_TI_SPI_MMAP #define CONFIG_SF_DEFAULT_SPEED 48000000 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_3 +#define CONFIG_QSPI_QUAD_SUPPORT /* * Default to using SPI for environment, etc. |