u-boot/arch/arm/include/asm/arch-mx25/clock.h
Benoît Thébaudeau 1b2080f338 mx25: Define default SoC input clock frequencies
Define default SoC input clock frequencies for i.MX25 in order to get rid of
duplicated definitions.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Matthias Weisser <weisserm@arcor.de>
2012-09-06 11:05:09 +02:00

73 lines
1.7 KiB
C

/*
*
* (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
*
* Modified for mx25 by John Rigby <jrigby@gmail.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_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
#include <common.h>
#ifdef CONFIG_MX25_HCLK_FREQ
#define MXC_HCLK CONFIG_MX25_HCLK_FREQ
#else
#define MXC_HCLK 24000000
#endif
#ifdef CONFIG_MX25_CLK32
#define MXC_CLK32 CONFIG_MX25_CLK32
#else
#define MXC_CLK32 32768
#endif
enum mxc_clock {
MXC_CSI_CLK,
MXC_EPIT_CLK,
MXC_ESAI_CLK,
MXC_ESDHC1_CLK,
MXC_ESDHC2_CLK,
MXC_GPT_CLK,
MXC_I2C_CLK,
MXC_LCDC_CLK,
MXC_NFC_CLK,
MXC_OWIRE_CLK,
MXC_PWM_CLK,
MXC_SIM1_CLK,
MXC_SIM2_CLK,
MXC_SSI1_CLK,
MXC_SSI2_CLK,
MXC_UART_CLK,
MXC_ARM_CLK,
MXC_FEC_CLK,
MXC_CLK_NUM
};
ulong imx_get_perclk(int clk);
ulong imx_get_ahbclk(void);
#define imx_get_uartclk() imx_get_perclk(15)
#define imx_get_fecclk() (imx_get_ahbclk()/2)
unsigned int mxc_get_clock(enum mxc_clock clk);
#endif /* __ASM_ARCH_CLOCK_H */