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| author | Stefano Babic <sbabic@denx.de> | 2014-04-04 11:35:30 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-04-04 11:35:30 +0200 |
| commit | 1cad23c5f471d695bed1e3907e30caee3c2a3056 (patch) | |
| tree | 34e035df5db9b327aeae36eff9d0645a915e3177 /drivers/spi | |
| parent | 5dd73bc0a40a4b318195eab871a1f535aad6b43b (diff) | |
| parent | 00b132bf34c5be86a108ac7fe8231ad9e97f6de4 (diff) | |
| download | u-boot-imx-1cad23c5f471d695bed1e3907e30caee3c2a3056.zip u-boot-imx-1cad23c5f471d695bed1e3907e30caee3c2a3056.tar.gz u-boot-imx-1cad23c5f471d695bed1e3907e30caee3c2a3056.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-arm into master
Conflicts:
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/atmel_dataflash_spi.c | 31 | ||||
| -rw-r--r-- | drivers/spi/omap3_spi.c | 5 | ||||
| -rw-r--r-- | drivers/spi/sandbox_spi.c | 13 |
3 files changed, 28 insertions, 21 deletions
diff --git a/drivers/spi/atmel_dataflash_spi.c b/drivers/spi/atmel_dataflash_spi.c index 8a5eddc..a2e9c00 100644 --- a/drivers/spi/atmel_dataflash_spi.c +++ b/drivers/spi/atmel_dataflash_spi.c @@ -102,33 +102,26 @@ void AT91F_SpiEnable(int cs) { unsigned long mode; + mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR); + mode &= ~AT91_SPI_PCS; + switch (cs) { - case 0: /* Configure SPI CS0 for Serial DataFlash AT45DBxx */ - mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR); - mode &= 0xFFF0FFFF; - writel(mode | ((AT91_SPI_PCS0_DATAFLASH_CARD<<16) & AT91_SPI_PCS), - ATMEL_BASE_SPI0 + AT91_SPI_MR); + case 0: + mode |= AT91_SPI_PCS0_DATAFLASH_CARD << 16; break; - case 1: /* Configure SPI CS1 for Serial DataFlash AT45DBxx */ - mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR); - mode &= 0xFFF0FFFF; - writel(mode | ((AT91_SPI_PCS1_DATAFLASH_CARD<<16) & AT91_SPI_PCS), - ATMEL_BASE_SPI0 + AT91_SPI_MR); + case 1: + mode |= AT91_SPI_PCS1_DATAFLASH_CARD << 16; break; - case 2: /* Configure SPI CS2 for Serial DataFlash AT45DBxx */ - mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR); - mode &= 0xFFF0FFFF; - writel(mode | ((AT91_SPI_PCS2_DATAFLASH_CARD<<16) & AT91_SPI_PCS), - ATMEL_BASE_SPI0 + AT91_SPI_MR); + case 2: + mode |= AT91_SPI_PCS2_DATAFLASH_CARD << 16; break; case 3: - mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR); - mode &= 0xFFF0FFFF; - writel(mode | ((AT91_SPI_PCS3_DATAFLASH_CARD<<16) & AT91_SPI_PCS), - ATMEL_BASE_SPI0 + AT91_SPI_MR); + mode |= AT91_SPI_PCS3_DATAFLASH_CARD << 16; break; } + writel(mode, ATMEL_BASE_SPI0 + AT91_SPI_MR); + /* SPI_Enable */ writel(AT91_SPI_SPIEN, ATMEL_BASE_SPI0 + AT91_SPI_CR); } diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index a3ad056..651e46e 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -260,8 +260,9 @@ int omap3_spi_write(struct spi_slave *slave, unsigned int len, const void *txp, } /* wait to finish of transfer */ - while (!(readl(&ds->regs->channel[ds->slave.cs].chstat) & - OMAP3_MCSPI_CHSTAT_EOT)); + while ((readl(&ds->regs->channel[ds->slave.cs].chstat) & + (OMAP3_MCSPI_CHSTAT_EOT | OMAP3_MCSPI_CHSTAT_TXS)) != + (OMAP3_MCSPI_CHSTAT_EOT | OMAP3_MCSPI_CHSTAT_TXS)); /* Disable the channel otherwise the next immediate RX will get affected */ omap3_spi_set_enable(ds,OMAP3_MCSPI_CHCTRL_DIS); diff --git a/drivers/spi/sandbox_spi.c b/drivers/spi/sandbox_spi.c index 7895305..12e9bda 100644 --- a/drivers/spi/sandbox_spi.c +++ b/drivers/spi/sandbox_spi.c @@ -202,3 +202,16 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, return ret; } + +/** + * Set up a new SPI slave for an fdt node + * + * @param blob Device tree blob + * @param node SPI peripheral node to use + * @return 0 if ok, -1 on error + */ +struct spi_slave *spi_setup_slave_fdt(const void *blob, int slave_node, + int spi_node) +{ + return NULL; +} |