diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_common.c | 41 |
1 files changed, 2 insertions, 39 deletions
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c index 565e3a83dc9e..409c0ec06265 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_common.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c @@ -15,11 +15,11 @@ #include <linux/gpio.h> #include <linux/kernel.h> #include <linux/spinlock.h> +#include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> #include <linux/export.h> #include <asm/io.h> -#include <asm/prom.h> #include <asm/mpc52xx.h> /* MPC5200 device tree match tables */ @@ -204,43 +204,6 @@ int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv) EXPORT_SYMBOL(mpc52xx_set_psc_clkdiv); /** - * mpc52xx_get_xtal_freq - Get SYS_XTAL_IN frequency for a device - * - * @node: device node - * - * Returns the frequency of the external oscillator clock connected - * to the SYS_XTAL_IN pin, or 0 if it cannot be determined. - */ -unsigned int mpc52xx_get_xtal_freq(struct device_node *node) -{ - u32 val; - unsigned int freq; - - if (!mpc52xx_cdm) - return 0; - - freq = mpc5xxx_get_bus_frequency(node); - if (!freq) - return 0; - - if (in_8(&mpc52xx_cdm->ipb_clk_sel) & 0x1) - freq *= 2; - - val = in_be32(&mpc52xx_cdm->rstcfg); - if (val & (1 << 5)) - freq *= 8; - else - freq *= 4; - if (val & (1 << 6)) - freq /= 12; - else - freq /= 16; - - return freq; -} -EXPORT_SYMBOL(mpc52xx_get_xtal_freq); - -/** * mpc52xx_restart: ppc_md->restart hook for mpc5200 using the watchdog timer */ void __noreturn mpc52xx_restart(char *cmd) @@ -308,7 +271,7 @@ int mpc5200_psc_ac97_gpio_reset(int psc_number) spin_lock_irqsave(&gpio_lock, flags); - /* Reconfiure pin-muxing to gpio */ + /* Reconfigure pin-muxing to gpio */ mux = in_be32(&simple_gpio->port_config); out_be32(&simple_gpio->port_config, mux & (~gpio)); |