| Message ID | 1423698869-8913-2-git-send-email-trini@ti.com |
|---|---|
| State | Accepted |
| Delegated to: | Jagannadha Sutradharudu Teki |
| Headers | show |
On 12 February 2015 at 05:24, Tom Rini <trini@ti.com> wrote: > From: Ravi Babu <ravibabu@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 <ravibabu@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!
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.