u-boot/arch/arm/include/asm/arch-at91/clk.h
Andreas Bießmann c3a383f5bd arm920t/at91: add clock.c
This patch adds an copy of arm926ejs/at91/clock.c to arm920t/at91. The
arm926ejs specialities are removed from arm920t version and vice versa.

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
2011-07-04 10:55:27 +02:00

98 lines
2.4 KiB
C

/*
* (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__ */