Merge branch 'master' of git://git.denx.de/u-boot-nios

[u-boot] / drivers / spi / bfin_spi.c

diff --git a/drivers/spi/bfin_spi.c b/drivers/spi/bfin_spi.c
index d7e14749dded5f04b6ade6742d80c42e9d043847..e080bec7052e523fd7c72dccfda5d5ec97ebb9bb 100644 (file)
--- a/drivers/spi/bfin_spi.c
+++ b/drivers/spi/bfin_spi.c
@@ -138,13 +138,29 @@ static const unsigned short cs_pins[][7] = {
 #endif
 };
 
+void spi_set_speed(struct spi_slave *slave, uint hz)
+{
+       struct bfin_spi_slave *bss = to_bfin_spi_slave(slave);
+       ulong sclk;
+       u32 baud;
+
+       sclk = get_sclk();
+       baud = sclk / (2 * hz);
+       /* baud should be rounded up */
+       if (sclk % (2 * hz))
+               baud += 1;
+       if (baud < 2)
+               baud = 2;
+       else if (baud > (u16)-1)
+               baud = -1;
+       bss->baud = baud;
+}
+
 struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
                unsigned int max_hz, unsigned int mode)
 {
        struct bfin_spi_slave *bss;
-       ulong sclk;
        u32 mmr_base;
-       u32 baud;
 
        if (!spi_cs_is_valid(bus, cs))
                return NULL;
@@ -166,16 +182,6 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
                default: return NULL;
        }
 
-       sclk = get_sclk();
-       baud = sclk / (2 * max_hz);
-       /* baud should be rounded up */
-       if (sclk % (2 * max_hz))
-               baud += 1;
-       if (baud < 2)
-               baud = 2;
-       else if (baud > (u16)-1)
-               baud = -1;
-
        bss = malloc(sizeof(*bss));
        if (!bss)
                return NULL;
@@ -187,11 +193,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
        if (mode & SPI_CPHA) bss->ctl |= CPHA;
        if (mode & SPI_CPOL) bss->ctl |= CPOL;
        if (mode & SPI_LSB_FIRST) bss->ctl |= LSBF;
-       bss->baud = baud;
        bss->flg = mode & SPI_CS_HIGH ? 1 : 0;
+       spi_set_speed(&bss->slave, max_hz);
 
        debug("%s: bus:%i cs:%i mmr:%x ctl:%x baud:%i flg:%i\n", __func__,
-               bus, cs, mmr_base, bss->ctl, baud, bss->flg);
+               bus, cs, mmr_base, bss->ctl, bss->baud, bss->flg);
 
        return &bss->slave;
 }
@@ -248,6 +254,8 @@ void spi_release_bus(struct spi_slave *slave)
 #elif defined(__ADSPBF537__) || defined(__ADSPBF536__) || defined(__ADSPBF534__) || \
       defined(__ADSPBF52x__) || defined(__ADSPBF51x__)
 # define SPI_DMA_BASE DMA7_NEXT_DESC_PTR
+# elif defined(__ADSPBF50x__)
+# define SPI_DMA_BASE DMA6_NEXT_DESC_PTR
 #else
 # error "Please provide SPI DMA channel defines"
 #endif