C++ (Cpp) __cpm_get_extalclk Examples

Example #1

static int cgm_read_proc (char *page, char **start, off_t off,
			  int count, int *eof, void *data)
{
	int len = 0;
	unsigned int cppcr = REG_CPM_CPPCR;  /* PLL Control Register */
	unsigned int cpccr = REG_CPM_CPCCR;  /* Clock Control Register */
	unsigned int div[] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32};
	unsigned int od[4] = {1, 2, 2, 4};

	len += sprintf (page+len, "CPPCR          : 0x%08x\n", cppcr);
	len += sprintf (page+len, "CPCCR          : 0x%08x\n", cpccr);
	len += sprintf (page+len, "PLL            : %s\n", 
			(cppcr & CPM_CPPCR_PLLEN) ? "ON" : "OFF");
	len += sprintf (page+len, "m:n:o          : %d:%d:%d\n",
			__cpm_get_pllm() + 2,
			__cpm_get_plln() + 2,
			od[__cpm_get_pllod()]
		);
	len += sprintf (page+len, "C:H:M:P        : %d:%d:%d:%d\n", 
			div[__cpm_get_cdiv()],
			div[__cpm_get_hdiv()],
			div[__cpm_get_mdiv()],
			div[__cpm_get_pdiv()]
		);
	len += sprintf (page+len, "PLL Freq        : %3d.%02d MHz\n", TO_MHZ(__cpm_get_pllout()));
	len += sprintf (page+len, "CCLK            : %3d.%02d MHz\n", TO_MHZ(__cpm_get_cclk()));
	len += sprintf (page+len, "HCLK            : %3d.%02d MHz\n", TO_MHZ(__cpm_get_hclk()));
	len += sprintf (page+len, "MCLK            : %3d.%02d MHz\n", TO_MHZ(__cpm_get_mclk()));
	len += sprintf (page+len, "PCLK            : %3d.%02d MHz\n", TO_MHZ(__cpm_get_pclk()));
	len += sprintf (page+len, "LCDCLK          : %3d.%02d MHz\n", TO_MHZ(__cpm_get_lcdclk()));
	len += sprintf (page+len, "PIXCLK          : %3d.%02d KHz\n", TO_KHZ(__cpm_get_pixclk()));
	len += sprintf (page+len, "I2SCLK          : %3d.%02d MHz\n", TO_MHZ(__cpm_get_i2sclk()));
	len += sprintf (page+len, "USBCLK          : %3d.%02d MHz\n", TO_MHZ(__cpm_get_usbclk()));
	len += sprintf (page+len, "MSC0CLK         : %3d.%02d MHz\n", TO_MHZ(__cpm_get_mscclk(0)));
	len += sprintf (page+len, "MSC1CLK         : %3d.%02d MHz\n", TO_MHZ(__cpm_get_mscclk(1)));
	len += sprintf (page+len, "EXTALCLK0       : %3d.%02d MHz\n", TO_MHZ(__cpm_get_extalclk0()));
	len += sprintf (page+len, "EXTALCLK(by CPM): %3d.%02d MHz\n", TO_MHZ(__cpm_get_extalclk()));
	len += sprintf (page+len, "RTCCLK          : %3d.%02d MHz\n", TO_MHZ(__cpm_get_rtcclk()));

	return len;
}

Example #2

File: setup.c Project: albuquerq/a380_kernel

static void __init sysclocks_setup(void)
{
#ifndef CONFIG_MIPS_JZ_EMURUS /* FPGA */
	jz_clocks.cclk = __cpm_get_cclk();
	jz_clocks.hclk = __cpm_get_hclk();
	jz_clocks.pclk = __cpm_get_pclk();
	jz_clocks.mclk = __cpm_get_mclk();
	jz_clocks.h1clk = __cpm_get_h1clk();
	jz_clocks.pixclk = __cpm_get_pixclk();
	jz_clocks.i2sclk = __cpm_get_i2sclk();
	jz_clocks.usbclk = __cpm_get_usbclk();
	jz_clocks.mscclk = __cpm_get_mscclk(0);
	jz_clocks.extalclk = __cpm_get_extalclk();
	jz_clocks.rtcclk = __cpm_get_rtcclk();
#else

#define FPGACLK 8000000

	jz_clocks.cclk = FPGACLK;
	jz_clocks.hclk = FPGACLK;
	jz_clocks.pclk = FPGACLK;
	jz_clocks.mclk = FPGACLK;
	jz_clocks.h1clk = FPGACLK;
	jz_clocks.pixclk = FPGACLK;
	jz_clocks.i2sclk = FPGACLK;
	jz_clocks.usbclk = FPGACLK;
	jz_clocks.mscclk = FPGACLK;
	jz_clocks.extalclk = FPGACLK;
	jz_clocks.rtcclk = FPGACLK;
#endif

	printk("CPU clock: %dMHz, System clock: %dMHz, Peripheral clock: %dMHz, Memory clock: %dMHz\n",
	       (jz_clocks.cclk + 500000) / 1000000,
	       (jz_clocks.hclk + 500000) / 1000000,
	       (jz_clocks.pclk + 500000) / 1000000,
	       (jz_clocks.mclk + 500000) / 1000000);
}