On 12 February 2015 at 05:24, Tom Rini <tr...@ti.com> wrote: > From: Ravi Babu <ravib...@ti.com> > > This patch enables QUAD read mode for qspi to improve the > read performace while loading the binaries from qspi. > > Signed-off-by: Ravi Babu <ravib...@ti.com> > --- > drivers/spi/ti_qspi.c | 7 +++++++ > include/configs/dra7xx_evm.h | 1 + > 2 files changed, 8 insertions(+) > > diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c > index 857b604..3356c0f 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 dee2b11..8fe0e6c 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. > -- > 1.7.9.5 >
Applied to u-boot-spi/master thanks! -- Jagan. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
