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;
}
void __init usb_musb_init(void)
{
#ifdef CONFIG_USB_MUSB_SOC
/* OMAP35x new EVM can source 500mA */
if (get_omap3evm_board_rev() >= OMAP3EVM_BOARD_GEN_2)
musb_plat.power = 250;
#ifdef CONFIG_NOP_USB_XCEIV
nop_xceiv_register();
#endif
if (platform_device_register(&musb_device) < 0) {
printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
return;
}
#endif
/* Enable smartidle on MUSB to improve C1 wakeup latency */
if (cpu_is_omap34xx())
omap_writel(AUTOIDLE, OTG_SYSCONFIG);
}
