Subversion Repositories c0or1k

/*

 * Clock mangaer module of the beagleboard.

 *

 * Copyright (C) 2007 Bahadir Balban

 *

 */

#include INC_PLAT(cm.h)

#include INC_ARCH(io.h)

/*

 * Enable Interface clock of device (represented by bit)

 * in CM module's(represented by CM_BASE) CM_FCLEN register

 */

void omap_cm_enable_iclk(unsigned long cm_base, int bit)

{

        unsigned int val = 0;

        val = read((cm_base + CM_FCLKEN_OFFSET));

        val |= (1 << bit);

        write(val, (cm_base + CM_FCLKEN_OFFSET));

}

/*

 * Enable Functional clock of device (represented by bit)

 * in CM module's(represented by CM_BASE) CM_FCLEN register

 */

void omap_cm_enable_fclk(unsigned long cm_base, int bit)

{

        unsigned int val = 0;

        val = read((cm_base + CM_ICLKEN_OFFSET));

        val |= (1 << bit);

        write(val, (cm_base + CM_FCLKEN_OFFSET));

}

/* Set clock source for device */

void omap_cm_clk_select(unsigned long cm_base, int bit, int src)

{

        unsigned int val = 0;

        val = read((cm_base + CM_CLKSEL_OFFSET));

        val |= (src << bit);

        write(val, (cm_base + CM_CLKSEL_OFFSET));

}