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authorChristophe Kerello <christophe.kerello@st.com>2018-07-09 16:32:37 +0300
committerTom Rini <trini@konsulko.com>2018-07-23 21:33:21 +0300
commitceff933e1e359e03bff17b22c0599ee29c4c5924 (patch)
tree228b62f80854bf31670fa9c82d205408c5135b05 /drivers/spi
parentf53424e65065c355527f778f65006ff608bb2e6a (diff)
downloadu-boot-ceff933e1e359e03bff17b22c0599ee29c4c5924.tar.xz
spi: stm32_qspi: assign functional operation mode in _stm32_qspi_gen_ccr
This patch assigns the functional operation mode in _stm32_qspi_gen_ccr function. Signed-off-by: Christophe Kerello <christophe.kerello@st.com> Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/stm32_qspi.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/spi/stm32_qspi.c b/drivers/spi/stm32_qspi.c
index f6cc353363..81b84625ba 100644
--- a/drivers/spi/stm32_qspi.c
+++ b/drivers/spi/stm32_qspi.c
@@ -220,7 +220,7 @@ static void _stm32_qspi_set_cs(struct stm32_qspi_priv *priv, unsigned int cs)
cs ? STM32_QSPI_CR_FSEL : 0);
}
-static unsigned int _stm32_qspi_gen_ccr(struct stm32_qspi_priv *priv)
+static unsigned int _stm32_qspi_gen_ccr(struct stm32_qspi_priv *priv, u8 fmode)
{
unsigned int ccr_reg = 0;
u8 imode, admode, dmode;
@@ -258,8 +258,11 @@ static unsigned int _stm32_qspi_gen_ccr(struct stm32_qspi_priv *priv)
<< STM32_QSPI_CCR_ADSIZE_SHIFT);
ccr_reg |= (admode << STM32_QSPI_CCR_ADMODE_SHIFT);
}
+
+ ccr_reg |= (fmode << STM32_QSPI_CCR_FMODE_SHIFT);
ccr_reg |= (imode << STM32_QSPI_CCR_IMODE_SHIFT);
ccr_reg |= cmd;
+
return ccr_reg;
}
@@ -272,8 +275,7 @@ static void _stm32_qspi_enable_mmap(struct stm32_qspi_priv *priv,
| CMD_HAS_DUMMY;
priv->dummycycles = flash->dummy_byte * 8;
- ccr_reg = _stm32_qspi_gen_ccr(priv);
- ccr_reg |= (STM32_QSPI_CCR_MEM_MAP << STM32_QSPI_CCR_FMODE_SHIFT);
+ ccr_reg = _stm32_qspi_gen_ccr(priv, STM32_QSPI_CCR_MEM_MAP);
_stm32_qspi_wait_for_not_busy(priv);
@@ -359,9 +361,8 @@ static int _stm32_qspi_xfer(struct stm32_qspi_priv *priv,
}
if (flags & SPI_XFER_END) {
- ccr_reg = _stm32_qspi_gen_ccr(priv);
- ccr_reg |= STM32_QSPI_CCR_IND_WRITE
- << STM32_QSPI_CCR_FMODE_SHIFT;
+ ccr_reg = _stm32_qspi_gen_ccr(priv,
+ STM32_QSPI_CCR_IND_WRITE);
_stm32_qspi_wait_for_not_busy(priv);
@@ -392,9 +393,7 @@ static int _stm32_qspi_xfer(struct stm32_qspi_priv *priv,
}
}
} else if (din) {
- ccr_reg = _stm32_qspi_gen_ccr(priv);
- ccr_reg |= STM32_QSPI_CCR_IND_READ
- << STM32_QSPI_CCR_FMODE_SHIFT;
+ ccr_reg = _stm32_qspi_gen_ccr(priv, STM32_QSPI_CCR_IND_READ);
_stm32_qspi_wait_for_not_busy(priv);