Ejemplo n.º 1
0
int __init musb_platform_init(struct musb *musb)
{
	struct otg_transceiver *x = otg_get_transceiver();
	u32 l;

#if defined(CONFIG_ARCH_OMAP2430)
	omap_cfg_reg(AE5_2430_USB0HS_STP);
#endif

	/* Reset controller */
	if (musb->set_clock)
		musb->set_clock(musb->clock, 1);
	else
		clk_enable(musb->clock);
	l = omap_readl(OTG_SYSCONFIG);
	l |= SOFTRST;
	omap_writel(l, OTG_SYSCONFIG);
	while (!(RESETDONE & omap_readl(OTG_SYSSTATUS)))
		cpu_relax();

	musb->xceiv = *x;
	musb_platform_resume(musb);

	l = omap_readl(OTG_SYSCONFIG);
	l &= ~ENABLEWAKEUP;	/* disable wakeup */
	l &= ~NOSTDBY;		/* remove possible nostdby */
	l |= SMARTSTDBY;	/* enable smart standby */
	l &= ~AUTOIDLE;		/* disable auto idle */
	l &= ~NOIDLE;		/* remove possible noidle */
	l |= SMARTIDLE;		/* enable smart idle */
	/*
	 * MUSB AUTOIDLE don't work in 3430.
	 * Workaround by Richard Woodruff/TI
	 */
	if (!cpu_is_omap3430())
		l |= AUTOIDLE;		/* enable auto idle */
	omap_writel(l, OTG_SYSCONFIG);

	l = omap_readl(OTG_INTERFSEL);
	l |= ULPI_12PIN;
	omap_writel(l, OTG_INTERFSEL);

	pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
			"sysstatus 0x%x, intrfsel 0x%x, simenable  0x%x\n",
			omap_readl(OTG_REVISION), omap_readl(OTG_SYSCONFIG),
			omap_readl(OTG_SYSSTATUS), omap_readl(OTG_INTERFSEL),
			omap_readl(OTG_SIMENABLE));

	omap_vbus_power(musb, musb->board_mode == MUSB_HOST, 1);

	if (is_host_enabled(musb))
		musb->board_set_vbus = omap_set_vbus;
	if (!musb->xceiv.set_power && is_peripheral_enabled(musb))
		musb->xceiv.set_power = omap_set_power;
	musb->a_wait_bcon = MUSB_TIMEOUT_A_WAIT_BCON;

	setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);

	return 0;
}
Ejemplo n.º 2
0
int __init musb_platform_init(struct musb *musb)
{
	struct otg_transceiver *x = otg_get_transceiver();
	u32 l;
	u8 val;

#if defined(CONFIG_ARCH_OMAP2430)
	omap_cfg_reg(AE5_2430_USB0HS_STP);
#endif
	if (!x) {
		pr_err("omap: musb: null transceiver found\n");
		return -ENODEV;
	}

	musb->xceiv = *x;
	musb_platform_resume(musb);

	l = omap_readl(OTG_SYSCONFIG);
	l &= ~ENABLEWAKEUP;	/* disable wakeup */
	l &= ~NOSTDBY;		/* remove possible nostdby */
	l |= SMARTSTDBY;	/* enable smart standby */
	l &= ~AUTOIDLE;		/* disable auto idle */
	l &= ~NOIDLE;		/* remove possible noidle */
	l |= SMARTIDLE;		/* enable smart idle */
	l |= AUTOIDLE;		/* enable auto idle */
	omap_writel(l, OTG_SYSCONFIG);

	l = omap_readl(OTG_INTERFSEL);
	l |= ULPI_12PIN;
	omap_writel(l, OTG_INTERFSEL);

#ifdef CONFIG_MACH_OMAP3EVM
	/* Program PHY to use external Vbus supply on new OMAP3EVM */
	if (get_omap3evm_board_rev() >= OMAP3EVM_BOARD_GEN_2) {
		val = musb_readb(musb->mregs, MUSB_ULPI_BUSCONTROL);
		val |= ULPI_USE_EXTVBUS;
		musb_writeb(musb->mregs, MUSB_ULPI_BUSCONTROL, val);
	}
#endif

	pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
			"sysstatus 0x%x, intrfsel 0x%x, simenable  0x%x\n",
			omap_readl(OTG_REVISION), omap_readl(OTG_SYSCONFIG),
			omap_readl(OTG_SYSSTATUS), omap_readl(OTG_INTERFSEL),
			omap_readl(OTG_SIMENABLE));

	omap_vbus_power(musb, musb->board_mode == MUSB_HOST, 1);

	if (is_host_enabled(musb))
		musb->board_set_vbus = omap_set_vbus;
	if (is_peripheral_enabled(musb))
		musb->xceiv.set_power = omap_set_power;
	musb->a_wait_bcon = MUSB_TIMEOUT_A_WAIT_BCON;

	setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);

	return 0;
}
Ejemplo n.º 3
0
int __init musb_platform_init(struct musb *musb)
{
	u32 l;

#if defined(CONFIG_ARCH_OMAP2430)
	omap_cfg_reg(AE5_2430_USB0HS_STP);
#endif

	/* We require some kind of external transceiver, hooked
	 * up through ULPI.  TWL4030-family PMICs include one,
	 * which needs a driver, drivers aren't always needed.
	 */
	musb->xceiv = otg_get_transceiver();
	if (!musb->xceiv) {
		pr_err("HS USB OTG: no transceiver configured\n");
		return -ENODEV;
	}

	musb_platform_resume(musb);

	l = musb_readl(musb->mregs, OTG_SYSCONFIG);
	l &= ~ENABLEWAKEUP;	/* disable wakeup */
	l &= ~NOSTDBY;		/* remove possible nostdby */
	l |= SMARTSTDBY;	/* enable smart standby */
	l &= ~AUTOIDLE;		/* disable auto idle */
	l &= ~NOIDLE;		/* remove possible noidle */
	l |= SMARTIDLE;		/* enable smart idle */
	/*
	 * MUSB AUTOIDLE don't work in 3430.
	 * Workaround by Richard Woodruff/TI
	 */
	if (!cpu_is_omap3430())
		l |= AUTOIDLE;		/* enable auto idle */
	musb_writel(musb->mregs, OTG_SYSCONFIG, l);

	l = musb_readl(musb->mregs, OTG_INTERFSEL);
	l |= ULPI_12PIN;
	musb_writel(musb->mregs, OTG_INTERFSEL, l);

	pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
			"sysstatus 0x%x, intrfsel 0x%x, simenable  0x%x\n",
			musb_readl(musb->mregs, OTG_REVISION),
			musb_readl(musb->mregs, OTG_SYSCONFIG),
			musb_readl(musb->mregs, OTG_SYSSTATUS),
			musb_readl(musb->mregs, OTG_INTERFSEL),
			musb_readl(musb->mregs, OTG_SIMENABLE));

	omap_vbus_power(musb, musb->board_mode == MUSB_HOST, 1);

	if (is_host_enabled(musb))
		musb->board_set_vbus = omap_set_vbus;

	setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);

	return 0;
}
Ejemplo n.º 4
0
int musb_platform_exit(struct musb *musb)
{

	omap_vbus_power(musb, 0 /*off*/, 1);

	musb_platform_suspend(musb);

	clk_put(musb->clock);
	musb->clock = NULL;

	return 0;
}
Ejemplo n.º 5
0
int musb_platform_exit(struct musb *musb)
{
	del_timer_sync(&musb_idle_timer);

	omap_vbus_power(musb, 0 /*off*/, 1);

	musb_platform_suspend(musb);

	clk_put(musb->clock);
	musb->clock = NULL;

	return 0;
}
Ejemplo n.º 6
0
int __init musb_platform_init(struct musb *musb)
{
    u32 l;

#if defined(CONFIG_ARCH_OMAP2430)
    omap_cfg_reg(AE5_2430_USB0HS_STP);
#endif


    musb->xceiv = otg_get_transceiver();
    if (!musb->xceiv) {
        pr_err("HS USB OTG: no transceiver configured\n");
        return -ENODEV;
    }

    musb_platform_resume(musb);

    l = omap_readl(OTG_SYSCONFIG);
    l &= ~ENABLEWAKEUP;
    l &= ~NOSTDBY;
    l |= SMARTSTDBY;
    l &= ~AUTOIDLE;
    l &= ~NOIDLE;
    l |= SMARTIDLE;

    if (!cpu_is_omap3430())
        l |= AUTOIDLE;
    omap_writel(l, OTG_SYSCONFIG);

    l = omap_readl(OTG_INTERFSEL);
    l |= ULPI_12PIN;
    omap_writel(l, OTG_INTERFSEL);

    pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
             "sysstatus 0x%x, intrfsel 0x%x, simenable  0x%x\n",
             omap_readl(OTG_REVISION), omap_readl(OTG_SYSCONFIG),
             omap_readl(OTG_SYSSTATUS), omap_readl(OTG_INTERFSEL),
             omap_readl(OTG_SIMENABLE));

    omap_vbus_power(musb, musb->board_mode == MUSB_HOST, 1);

    if (is_host_enabled(musb))
        musb->board_set_vbus = omap_set_vbus;

    setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);

    return 0;
}