u-boot/arch/arm/include/asm/arch-at91/clk.h

/*
 * (C) Copyright 2007
 * Stelian Pop <stelian.pop@leadtechdesign.com>
 * Lead Tech Design <www.leadtechdesign.com>
 * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
#ifndef __ASM_ARM_ARCH_CLK_H__
#define __ASM_ARM_ARCH_CLK_H__

#include <asm/arch/hardware.h>
#include <asm/global_data.h>

static inline unsigned long get_cpu_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->cpu_clk_rate_hz;
}

static inline unsigned long get_main_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->main_clk_rate_hz;
}

static inline unsigned long get_mck_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->mck_rate_hz;
}

static inline unsigned long get_plla_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->plla_rate_hz;
}

static inline unsigned long get_pllb_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->pllb_rate_hz;
}

static inline u32 get_pllb_init(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->at91_pllb_usb_init;
}

static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_lcdc_clk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_spi_clk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_twi_clk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_mci_clk_rate(void)
{
	return get_mck_clk_rate();
}

int at91_clock_init(unsigned long main_clock);
#endif /* __ASM_ARM_ARCH_CLK_H__ */