C++ (Cpp) get_pllb_initの例

コード例 #1

ファイル: ohci-at91.c プロジェクト: kontar/u-boot

int usb_cpu_init(void)
{
	at91_pmc_t *pmc	= (at91_pmc_t *)ATMEL_BASE_PMC;

#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20) || \
    defined(CONFIG_AT91SAM9261)
	/* Enable PLLB */
	writel(get_pllb_init(), &pmc->pllbr);
	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
		;
#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) || \
	defined(CONFIG_AT91SAM9X5)
	/* Enable UPLL */
	writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN,
		&pmc->uckr);
	while ((readl(&pmc->sr) & AT91_PMC_LOCKU) != AT91_PMC_LOCKU)
		;

	/* Select PLLA as input clock of OHCI */
	writel(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10, &pmc->usb);
#endif

	/* Enable USB host clock. */
	writel(1 << ATMEL_ID_UHP, &pmc->pcer);
#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
	writel(ATMEL_PMC_UHP | AT91_PMC_HCK0, &pmc->scer);
#else
	writel(ATMEL_PMC_UHP, &pmc->scer);
#endif

	return 0;
}

コード例 #2

ファイル: ohci-at91.c プロジェクト: 13xiaobang/mini2440-uboot_2016.01

int usb_cpu_init(void)
{
	at91_pmc_t *pmc	= (at91_pmc_t *)ATMEL_BASE_PMC;

#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
	/* Enable PLLB */
	writel(get_pllb_init(), &pmc->pllbr);
	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
		;
#ifdef CONFIG_AT91SAM9N12
	writel(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2, &pmc->usb);
#endif
#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
	/* Enable UPLL */
	writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN,
		&pmc->uckr);
	while ((readl(&pmc->sr) & AT91_PMC_LOCKU) != AT91_PMC_LOCKU)
		;

	/* Select PLLA as input clock of OHCI */
	writel(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10, &pmc->usb);
#endif

	/* Enable USB host clock. */
#ifdef CPU_HAS_PCR
	at91_periph_clk_enable(ATMEL_ID_UHP);
#else
	writel(1 << ATMEL_ID_UHP, &pmc->pcer);
#endif

#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
	writel(ATMEL_PMC_UHP | AT91_PMC_HCK0, &pmc->scer);
#else
	writel(ATMEL_PMC_UHP, &pmc->scer);
#endif

	return 0;
}

コード例 #3

ファイル: ohci-at91.c プロジェクト: 247a/lenovo_b6000-8000_kernel_source

int usb_cpu_init(void)
{
	at91_pmc_t *pmc	= (at91_pmc_t *)AT91_PMC_BASE;

#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20) || \
    defined(CONFIG_AT91SAM9261)
	/* Enable PLLB */
	writel(get_pllb_init(), &pmc->pllbr);
	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
		;
#endif

	/* Enable USB host clock. */
	writel(1 << AT91_ID_UHP, &pmc->pcer);
#ifdef CONFIG_AT91SAM9261
	writel(AT91_PMC_UHP | AT91_PMC_HCK0, &pmc->scer);
#else
	writel(AT91_PMC_UHP, &pmc->scer);
#endif

	return 0;
}