C++ (Cpp) PNX8335_REGFIELD示例

示例#1

文件： interrupts.c 项目： openube/android_kernel_sony_c2305

void __init plat_time_init(void)
{
	/* calculate mips_hpt_frequency based on PNX833X_CLOCK_CPUCP_CTL reg */

	extern unsigned long mips_hpt_frequency;
	unsigned long reg = PNX833X_CLOCK_CPUCP_CTL;

	if (!(PNX833X_BIT(reg, CLOCK_CPUCP_CTL, EXIT_RESET))) {
		/* Functional clock is disabled so use crystal frequency */
		mips_hpt_frequency = 25;
	} else {
#if defined(CONFIG_SOC_PNX8335)
		/* Functional clock is enabled, so get clock multiplier */
		mips_hpt_frequency = 90 + (10 * PNX8335_REGFIELD(CLOCK_PLL_CPU_CTL, FREQ));
#else
		static const unsigned long int freq[4] = {240, 160, 120, 80};
		mips_hpt_frequency = freq[PNX833X_FIELD(reg, CLOCK_CPUCP_CTL, DIV_CLOCK)];
#endif
	}

	printk(KERN_INFO "CPU clock is %ld MHz\n", mips_hpt_frequency);

	mips_hpt_frequency *= 500000;
}

示例#2

文件： interrupts.c 项目： romanbb/android_kernel_lge_d851

void __init plat_time_init(void)
{
	/*                                                                   */

	extern unsigned long mips_hpt_frequency;
	unsigned long reg = PNX833X_CLOCK_CPUCP_CTL;

	if (!(PNX833X_BIT(reg, CLOCK_CPUCP_CTL, EXIT_RESET))) {
		/*                                                       */
		mips_hpt_frequency = 25;
	} else {
#if defined(CONFIG_SOC_PNX8335)
		/*                                                      */
		mips_hpt_frequency = 90 + (10 * PNX8335_REGFIELD(CLOCK_PLL_CPU_CTL, FREQ));
#else
		static const unsigned long int freq[4] = {240, 160, 120, 80};
		mips_hpt_frequency = freq[PNX833X_FIELD(reg, CLOCK_CPUCP_CTL, DIV_CLOCK)];
#endif
	}

	printk(KERN_INFO "CPU clock is %ld MHz\n", mips_hpt_frequency);

	mips_hpt_frequency *= 500000;
}