| Sergey Kostanbaev | 7237d22 | 2014-06-25 23:44:29 +0400 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2013 |
| 3 | * Sergey Kostanbaev < sergey.kostanbaev <at> fairwaves.ru > |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #include <config.h> |
| 9 | #include <common.h> |
| 10 | |
| 11 | #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) |
| 12 | #include <asm/io.h> |
| 13 | #include <asm/arch/ep93xx.h> |
| 14 | |
| 15 | int usb_cpu_init(void) |
| 16 | { |
| 17 | struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE; |
| 18 | unsigned long pwr = readl(&syscon->pwrcnt); |
| 19 | writel(pwr | SYSCON_PWRCNT_USH_EN, &syscon->pwrcnt); |
| 20 | |
| 21 | return 0; |
| 22 | } |
| 23 | |
| 24 | int usb_cpu_stop(void) |
| 25 | { |
| 26 | struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE; |
| 27 | unsigned long pwr = readl(&syscon->pwrcnt); |
| 28 | writel(pwr & ~SYSCON_PWRCNT_USH_EN, &syscon->pwrcnt); |
| 29 | |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | int usb_cpu_init_fail(void) |
| 34 | { |
| 35 | return usb_cpu_stop(); |
| 36 | } |
| 37 | |
| 38 | #endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */ |