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author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-03-25 10:25:14 +0100 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-03-25 10:53:15 +0100 |
commit | ab6423cae0323e8db2c8fdd0a99138d93fde2137 (patch) | |
tree | a97493753a119e577161a4fb0b40b8edfc3923bb /drivers/spi | |
parent | 63f347ec4ca94e3b57c6c719e4acaec81b61dc7a (diff) | |
parent | 2c072c958bb544c72f0e848375803dbd6971f022 (diff) | |
download | u-boot-imx-ab6423cae0323e8db2c8fdd0a99138d93fde2137.zip u-boot-imx-ab6423cae0323e8db2c8fdd0a99138d93fde2137.tar.gz u-boot-imx-ab6423cae0323e8db2c8fdd0a99138d93fde2137.tar.bz2 |
Merge branch 'u-boot/master' into 'u-boot-arm/master'
Trivial merge conflict, needed to manually remove
local_info as per commit 41364f0f.
Conflicts:
board/samsung/common/board.c
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/atmel_dataflash_spi.c | 31 | ||||
-rw-r--r-- | drivers/spi/sandbox_spi.c | 13 |
2 files changed, 25 insertions, 19 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/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; +} |