diff options
| -rw-r--r-- | arch/blackfin/include/asm/blackfin_local.h | 7 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/clock.h | 11 | ||||
| -rw-r--r-- | drivers/i2c/bfin-twi_i2c.c | 3 | ||||
| -rw-r--r-- | drivers/spi/bfin_spi.c | 7 | ||||
| -rw-r--r-- | drivers/spi/bfin_spi6xx.c | 7 |
5 files changed, 21 insertions, 14 deletions
diff --git a/arch/blackfin/include/asm/blackfin_local.h b/arch/blackfin/include/asm/blackfin_local.h index 4d6eeab..868c82e 100644 --- a/arch/blackfin/include/asm/blackfin_local.h +++ b/arch/blackfin/include/asm/blackfin_local.h @@ -42,13 +42,6 @@ # 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); diff --git a/arch/blackfin/include/asm/clock.h b/arch/blackfin/include/asm/clock.h index fc84fe4..59d3faa 100644 --- a/arch/blackfin/include/asm/clock.h +++ b/arch/blackfin/include/asm/clock.h @@ -68,10 +68,21 @@ static inline uint32_t early_get_uart_clk(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 diff --git a/drivers/i2c/bfin-twi_i2c.c b/drivers/i2c/bfin-twi_i2c.c index 5c37280..cfab064 100644 --- a/drivers/i2c/bfin-twi_i2c.c +++ b/drivers/i2c/bfin-twi_i2c.c @@ -10,6 +10,7 @@ #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 */ @@ -274,7 +275,7 @@ unsigned int i2c_get_bus_speed(void) */ 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; diff --git a/drivers/spi/bfin_spi.c b/drivers/spi/bfin_spi.c index aa89d89..71a31d0 100644 --- a/drivers/spi/bfin_spi.c +++ b/drivers/spi/bfin_spi.c @@ -13,6 +13,7 @@ #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> @@ -140,12 +141,12 @@ static const unsigned short cs_pins[][7] = { 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) diff --git a/drivers/spi/bfin_spi6xx.c b/drivers/spi/bfin_spi6xx.c index 07b833d..eba01d1 100644 --- a/drivers/spi/bfin_spi6xx.c +++ b/drivers/spi/bfin_spi6xx.c @@ -22,6 +22,7 @@ #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> @@ -135,11 +136,11 @@ static const unsigned short cs_pins[][7] = { 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; |