[U-Boot] [PATCH v1 1/2] spi: stm32_qspi: assign functional operation mode in _stm32_qspi_gen_ccr
Patrice Chotard
patrice.chotard at st.com
Mon Jul 9 13:32:37 UTC 2018
From: Christophe Kerello <christophe.kerello at st.com>
This patch assigns the functional operation mode in _stm32_qspi_gen_ccr
function.
Signed-off-by: Christophe Kerello <christophe.kerello at st.com>
Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
---
drivers/spi/stm32_qspi.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/spi/stm32_qspi.c b/drivers/spi/stm32_qspi.c
index f6cc35336320..81b84625ba5b 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);
--
1.9.1
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