diff options
Diffstat (limited to 'arch/mips/lantiq/xway/clk-ase.c')
-rw-r--r-- | arch/mips/lantiq/xway/clk-ase.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/mips/lantiq/xway/clk-ase.c b/arch/mips/lantiq/xway/clk-ase.c new file mode 100644 index 000000000000..22d823acd536 --- /dev/null +++ b/arch/mips/lantiq/xway/clk-ase.c @@ -0,0 +1,48 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2011 John Crispin <blogic@openwrt.org> + */ + +#include <linux/io.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/clk.h> + +#include <asm/time.h> +#include <asm/irq.h> +#include <asm/div64.h> + +#include <lantiq_soc.h> + +/* cgu registers */ +#define LTQ_CGU_SYS 0x0010 + +unsigned int ltq_get_io_region_clock(void) +{ + return CLOCK_133M; +} +EXPORT_SYMBOL(ltq_get_io_region_clock); + +unsigned int ltq_get_fpi_bus_clock(int fpi) +{ + return CLOCK_133M; +} +EXPORT_SYMBOL(ltq_get_fpi_bus_clock); + +unsigned int ltq_get_cpu_hz(void) +{ + if (ltq_cgu_r32(LTQ_CGU_SYS) & (1 << 5)) + return CLOCK_266M; + else + return CLOCK_133M; +} +EXPORT_SYMBOL(ltq_get_cpu_hz); + +unsigned int ltq_get_fpi_hz(void) +{ + return CLOCK_133M; +} +EXPORT_SYMBOL(ltq_get_fpi_hz); |