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