Пример #1
0
static void __init
ebony_calibrate_decr(void)
{
	unsigned int freq;

	/*
	 * Determine system clock speed
	 *
	 * If we are on Rev. B silicon, then use
	 * default external system clock.  If we are
	 * on Rev. C silicon then errata forces us to
	 * use the internal clock.
	 */
	switch (PVR_REV(mfspr(PVR))) {
		case PVR_REV(PVR_440GP_RB):
			freq = EBONY_440GP_RB_SYSCLK;
			break;
		case PVR_REV(PVR_440GP_RC1):
		default:
			freq = EBONY_440GP_RC_SYSCLK;
			break;
	}

	ibm44x_calibrate_decr(freq);
}
Пример #2
0
static void __init
p3p440_calibrate_decr(void)
{
	unsigned int freq;

	freq = clocks.cpu;

	ibm44x_calibrate_decr(freq);
}
Пример #3
0
static void __init
ocotea_calibrate_decr(void)
{
	unsigned int freq;

	if (mfspr(SPRN_CCR1) & CCR1_TCS)
		freq = OCOTEA_TMR_CLK;
	else
		freq = clocks.cpu;

	ibm44x_calibrate_decr(freq);
}
Пример #4
0
static void __init
taishan_calibrate_decr(void)
{
    unsigned int freq;

    if (mfspr(SPRN_CCR1) & CCR1_TCS)
        freq = TAISHAN_TMR_CLK;
    else
        freq = clocks.cpu;

    ibm44x_calibrate_decr(freq);
}
Пример #5
0
static void __init
yosemite_calibrate_decr(void)
{
	unsigned int freq;

	if (mfspr(SPRN_CCR1) & CCR1_TCS)
		freq = YOSEMITE_TMRCLK;
	else
		freq = clocks.cpu;

	ibm44x_calibrate_decr(freq);
}
Пример #6
0
static void __init sequoia_calibrate_decr(void)
{
	unsigned int freq;

	if (mfspr(SPRN_CCR1) & CCR1_TCS)
		freq = SEQUOIA_TMRCLK;
	else
		freq = clocks.cpu;

	ibm44x_calibrate_decr(freq);

}
Пример #7
0
static void __init
bamboo_calibrate_decr(void)
{
	unsigned int freq;

	if (mfspr(SPRN_CCR1) & CCR1_TCS)
		freq = BAMBOO_TMRCLK;
	else
		freq = clocks.cpu;

	ibm44x_calibrate_decr(freq);

}
Пример #8
0
static void __init
ebony_calibrate_decr(void)
{
	unsigned int freq;

	/*
	 * Determine system clock speed
	 *
	 * If we are on Rev. B silicon, then use
	 * default external system clock.  If we are
	 * on Rev. C silicon then errata forces us to
	 * use the internal clock.
	 */
	if (strcmp(cur_cpu_spec[0]->cpu_name, "440GP Rev. B") == 0)
		freq = EBONY_440GP_RB_SYSCLK;
	else
		freq = EBONY_440GP_RC_SYSCLK;

	ibm44x_calibrate_decr(freq);
}