| // SPDX-License-Identifier: GPL-2.0+ | |
| /* | |
| * (C) Copyright 2013 | |
| * Sergey Kostanbaev < sergey.kostanbaev <at> fairwaves.ru > | |
| */ | |
| #include <config.h> | |
| #include <common.h> | |
| #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) | |
| #include <asm/io.h> | |
| #include <asm/arch/ep93xx.h> | |
| int usb_cpu_init(void) | |
| { | |
| struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE; | |
| unsigned long pwr = readl(&syscon->pwrcnt); | |
| writel(pwr | SYSCON_PWRCNT_USH_EN, &syscon->pwrcnt); | |
| return 0; | |
| } | |
| int usb_cpu_stop(void) | |
| { | |
| struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE; | |
| unsigned long pwr = readl(&syscon->pwrcnt); | |
| writel(pwr & ~SYSCON_PWRCNT_USH_EN, &syscon->pwrcnt); | |
| return 0; | |
| } | |
| int usb_cpu_init_fail(void) | |
| { | |
| return usb_cpu_stop(); | |
| } | |
| #endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */ |