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spi: xilinx_spi: Fix to configure CPOL, CPHA mask
[oweals/u-boot.git]
/
drivers
/
spi
/
atmel_dataflash_spi.c
diff --git
a/drivers/spi/atmel_dataflash_spi.c
b/drivers/spi/atmel_dataflash_spi.c
index 8a5eddcbfd5ee0f0a67c05c2a3941bb89d3c68f7..a2e9c00ea660733758f8f5d768932b1ad50a655d 100644
(file)
--- 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;
{
unsigned long mode;
+ mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR);
+ mode &= ~AT91_SPI_PCS;
+
switch (cs) {
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;
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;
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:
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;
}
break;
}
+ writel(mode, ATMEL_BASE_SPI0 + AT91_SPI_MR);
+
/* SPI_Enable */
writel(AT91_SPI_SPIEN, ATMEL_BASE_SPI0 + AT91_SPI_CR);
}
/* SPI_Enable */
writel(AT91_SPI_SPIEN, ATMEL_BASE_SPI0 + AT91_SPI_CR);
}