# include <linux/types.h>
-extern u_long get_vco(void);
-extern u_long get_cclk(void);
-extern u_long get_sclk(void);
-extern u_long get_sclk0(void);
-extern u_long get_sclk1(void);
-extern u_long get_dclk(void);
-
# define bfin_revid() (bfin_read_CHIPID() >> 28)
extern int bfin_os_log_check(void);
return uclk;
}
+extern u_long get_vco(void);
+extern u_long get_cclk(void);
+extern u_long get_sclk(void);
+
#ifdef CGU_DIV
+extern u_long get_sclk0(void);
+extern u_long get_sclk1(void);
+extern u_long get_dclk(void);
# define get_uart_clk get_sclk0
+# define get_i2c_clk get_sclk0
+# define get_spi_clk get_sclk0
#else
# define get_uart_clk get_sclk
+# define get_i2c_clk get_sclk
+# define get_spi_clk get_sclk
#endif
#endif
#include <i2c.h>
#include <asm/blackfin.h>
+#include <asm/clock.h>
#include <asm/mach-common/bits/twi.h>
/* Every register is 32bit aligned, but only 16bits in size */
*/
void i2c_init(int speed, int slaveaddr)
{
- uint8_t prescale = ((get_sclk() / 1000 / 1000 + 5) / 10) & 0x7F;
+ uint8_t prescale = ((get_i2c_clk() / 1000 / 1000 + 5) / 10) & 0x7F;
/* Set TWI internal clock as 10MHz */
twi->control = prescale;
#include <spi.h>
#include <asm/blackfin.h>
+#include <asm/clock.h>
#include <asm/gpio.h>
#include <asm/portmux.h>
#include <asm/mach-common/bits/spi.h>
void spi_set_speed(struct spi_slave *slave, uint hz)
{
struct bfin_spi_slave *bss = to_bfin_spi_slave(slave);
- ulong sclk;
+ ulong clk;
u32 baud;
- sclk = get_sclk();
+ clk = get_spi_clk();
/* baud should be rounded up */
- baud = DIV_ROUND_UP(sclk, 2 * hz);
+ baud = DIV_ROUND_UP(clk, 2 * hz);
if (baud < 2)
baud = 2;
else if (baud > (u16)-1)
#include <spi.h>
#include <asm/blackfin.h>
+#include <asm/clock.h>
#include <asm/gpio.h>
#include <asm/portmux.h>
#include <asm/mach-common/bits/spi6xx.h>
void spi_set_speed(struct spi_slave *slave, uint hz)
{
struct bfin_spi_slave *bss = to_bfin_spi_slave(slave);
- ulong sclk;
+ ulong clk;
u32 clock;
- sclk = get_sclk1();
- clock = sclk / hz;
+ clk = get_spi_clk();
+ clock = clk / hz;
if (clock)
clock--;
bss->clock = clock;