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-rw-r--r--src/cpu/samsung/exynos5250/spi.c13
-rw-r--r--src/cpu/samsung/exynos5420/spi.c13
2 files changed, 14 insertions, 12 deletions
diff --git a/src/cpu/samsung/exynos5250/spi.c b/src/cpu/samsung/exynos5250/spi.c
index 503cee90ee..642ae23bb6 100644
--- a/src/cpu/samsung/exynos5250/spi.c
+++ b/src/cpu/samsung/exynos5250/spi.c
@@ -102,7 +102,6 @@ int exynos_spi_open(struct exynos_spi *regs)
/* now set rx and tx channel ON */
setbits_le32(&regs->ch_cfg, SPI_RX_CH_ON | SPI_TX_CH_ON | SPI_CH_HS_EN);
- clrbits_le32(&regs->cs_reg, SPI_SLAVE_SIG_INACT); /* CS low */
return 0;
}
@@ -110,6 +109,8 @@ int exynos_spi_read(struct exynos_spi *regs, void *dest, u32 len, u32 off)
{
int upto, todo;
int i;
+ clrbits_le32(&regs->cs_reg, SPI_SLAVE_SIG_INACT); /* CS low */
+
/* Send read instruction (0x3h) followed by a 24 bit addr */
writel((SF_READ_DATA_CMD << 24) | off, &regs->tx_data);
@@ -123,6 +124,11 @@ int exynos_spi_read(struct exynos_spi *regs, void *dest, u32 len, u32 off)
setbits_le32(&regs->cs_reg, SPI_SLAVE_SIG_INACT);/* make the CS high */
+ return len;
+}
+
+int exynos_spi_close(struct exynos_spi *regs)
+{
/*
* Let put controller mode to BYTE as
* SPI driver does not support WORD mode yet
@@ -131,11 +137,6 @@ int exynos_spi_read(struct exynos_spi *regs, void *dest, u32 len, u32 off)
SPI_MODE_CH_WIDTH_WORD | SPI_MODE_BUS_WIDTH_WORD);
writel(0, &regs->swap_cfg);
- return len;
-}
-
-int exynos_spi_close(struct exynos_spi *regs)
-{
/*
* Flush spi tx, rx fifos and reset the SPI controller
* and clear rx/tx channel
diff --git a/src/cpu/samsung/exynos5420/spi.c b/src/cpu/samsung/exynos5420/spi.c
index 503cee90ee..642ae23bb6 100644
--- a/src/cpu/samsung/exynos5420/spi.c
+++ b/src/cpu/samsung/exynos5420/spi.c
@@ -102,7 +102,6 @@ int exynos_spi_open(struct exynos_spi *regs)
/* now set rx and tx channel ON */
setbits_le32(&regs->ch_cfg, SPI_RX_CH_ON | SPI_TX_CH_ON | SPI_CH_HS_EN);
- clrbits_le32(&regs->cs_reg, SPI_SLAVE_SIG_INACT); /* CS low */
return 0;
}
@@ -110,6 +109,8 @@ int exynos_spi_read(struct exynos_spi *regs, void *dest, u32 len, u32 off)
{
int upto, todo;
int i;
+ clrbits_le32(&regs->cs_reg, SPI_SLAVE_SIG_INACT); /* CS low */
+
/* Send read instruction (0x3h) followed by a 24 bit addr */
writel((SF_READ_DATA_CMD << 24) | off, &regs->tx_data);
@@ -123,6 +124,11 @@ int exynos_spi_read(struct exynos_spi *regs, void *dest, u32 len, u32 off)
setbits_le32(&regs->cs_reg, SPI_SLAVE_SIG_INACT);/* make the CS high */
+ return len;
+}
+
+int exynos_spi_close(struct exynos_spi *regs)
+{
/*
* Let put controller mode to BYTE as
* SPI driver does not support WORD mode yet
@@ -131,11 +137,6 @@ int exynos_spi_read(struct exynos_spi *regs, void *dest, u32 len, u32 off)
SPI_MODE_CH_WIDTH_WORD | SPI_MODE_BUS_WIDTH_WORD);
writel(0, &regs->swap_cfg);
- return len;
-}
-
-int exynos_spi_close(struct exynos_spi *regs)
-{
/*
* Flush spi tx, rx fifos and reset the SPI controller
* and clear rx/tx channel