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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-04-16 21:30:44 +0200
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-04-16 21:30:44 +0200
commitdc39ae9513c32dfeb9e018dc0d22c6484514fefb (patch)
tree136c61b2c9731ddf51ef3e222bbf1e44781c5175 /drivers/spi
parentf75a729b5c1434d5a5bbf453b1b699bf1c3ffbce (diff)
at91sam9/at91cap: improve clock framework
calculate dynamically the clock rate and pllb setting for usb Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/atmel_dataflash_spi.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/spi/atmel_dataflash_spi.c b/drivers/spi/atmel_dataflash_spi.c
index 3eb252c5b5..614965c367 100644
--- a/drivers/spi/atmel_dataflash_spi.c
+++ b/drivers/spi/atmel_dataflash_spi.c
@@ -21,6 +21,7 @@
#include <common.h>
#include <asm/arch/hardware.h>
+#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
#include <asm/arch/io.h>
#include <asm/arch/at91_pio.h>
@@ -45,7 +46,7 @@ void AT91F_SpiInit(void)
writel(AT91_SPI_NCPHA |
(AT91_SPI_DLYBS & DATAFLASH_TCSS) |
(AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
- ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8),
+ ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
AT91_BASE_SPI + AT91_SPI_CSR(0));
#ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1
@@ -53,7 +54,7 @@ void AT91F_SpiInit(void)
writel(AT91_SPI_NCPHA |
(AT91_SPI_DLYBS & DATAFLASH_TCSS) |
(AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
- ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8),
+ ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
AT91_BASE_SPI + AT91_SPI_CSR(1));
#endif
@@ -62,7 +63,7 @@ void AT91F_SpiInit(void)
writel(AT91_SPI_NCPHA |
(AT91_SPI_DLYBS & DATAFLASH_TCSS) |
(AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
- ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8),
+ ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
AT91_BASE_SPI + AT91_SPI_CSR(3));
#endif