efDataDiscreteRateMining synchronousMemoryAndDatabase.c 沈瑞清 commit at 2021-02-22

efDataDiscreteRateMining/standardDeviationCalculation/synchronousMemoryAndDatabase.c

@@ -838,3 +838,93 @@ static struct clksrc_clk *clksrc_cdev[] = {
 	&clk_sclk_spi1,
 	&clk_audio_bus0,
 	&clk_audio_bus1,
+};
+
+static struct clk *clk_cdev[] = {
+	&clk_hsmmc0,
+	&clk_hsmmc1,
+	&clk_hsmmc2,
+	&clk_48m_spi0,
+	&clk_48m_spi1,
+	&clk_i2s0,
+	&clk_i2s1,
+};
+
+static struct clk_lookup s3c64xx_clk_lookup[] = {
+	CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p),
+	CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk),
+	CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0),
+	CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1),
+	CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2),
+	CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk),
+	CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk),
+	CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk),
+	CLKDEV_INIT(NULL, "spi_busclk0", &clk_p),
+	CLKDEV_INIT("s3c6410-spi.0", "spi_busclk1", &clk_sclk_spi0.clk),
+	CLKDEV_INIT("s3c6410-spi.0", "spi_busclk2", &clk_48m_spi0),
+	CLKDEV_INIT("s3c6410-spi.1", "spi_busclk1", &clk_sclk_spi1.clk),
+	CLKDEV_INIT("s3c6410-spi.1", "spi_busclk2", &clk_48m_spi1),
+	CLKDEV_INIT("samsung-i2s.0", "i2s_opclk0", &clk_i2s0),
+	CLKDEV_INIT("samsung-i2s.0", "i2s_opclk1", &clk_audio_bus0.clk),
+	CLKDEV_INIT("samsung-i2s.1", "i2s_opclk0", &clk_i2s1),
+	CLKDEV_INIT("samsung-i2s.1", "i2s_opclk1", &clk_audio_bus1.clk),
+#ifdef CONFIG_CPU_S3C6410
+	CLKDEV_INIT("samsung-i2s.2", "i2s_opclk0", &clk_i2s2),
+	CLKDEV_INIT("samsung-i2s.2", "i2s_opclk1", &clk_audio_bus2.clk),
+#endif
+};
+
+#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
+
+void __init_or_cpufreq s3c64xx_setup_clocks(void)
+{
+	struct clk *xtal_clk;
+	unsigned long xtal;
+	unsigned long fclk;
+	unsigned long hclk;
+	unsigned long hclk2;
+	unsigned long pclk;
+	unsigned long epll;
+	unsigned long apll;
+	unsigned long mpll;
+	unsigned int ptr;
+	u32 clkdiv0;
+
+	printk(KERN_DEBUG "%s: registering clocks\n", __func__);
+
+	clkdiv0 = __raw_readl(S3C_CLK_DIV0);
+	printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0);
+
+	xtal_clk = clk_get(NULL, "xtal");
+	BUG_ON(IS_ERR(xtal_clk));
+
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
+
+	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
+
+	/* For now assume the mux always selects the crystal */
+	clk_ext_xtal_mux.parent = xtal_clk;
+
+	epll = s3c_get_pll6553x(xtal, __raw_readl(S3C_EPLL_CON0),
+				__raw_readl(S3C_EPLL_CON1));
+	mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON));
+	apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON));
+
+	fclk = mpll;
+
+	printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n",
+	       apll, mpll, epll);
+
+	if(__raw_readl(S3C64XX_OTHERS) & S3C64XX_OTHERS_SYNCMUXSEL)
+		/* Synchronous mode */
+		hclk2 = apll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2);
+	else
+		/* Asynchronous mode */
+		hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2);
+
+	hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK);
+	pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK);
+
+	printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n",
+	       hclk2, hclk, pclk);