| /* |
| * Copyright (C) 2011-2015 Panasonic Corporation |
| * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <asm/io.h> |
| #include <mach/sc-regs.h> |
| |
| void clkrst_init(void) |
| { |
| u32 tmp; |
| |
| /* deassert reset */ |
| tmp = readl(SC_RSTCTRL); |
| #ifdef CONFIG_UNIPHIER_ETH |
| tmp |= SC_RSTCTRL_NRST_ETHER; |
| #endif |
| #ifdef CONFIG_USB_EHCI_UNIPHIER |
| tmp |= SC_RSTCTRL_NRST_STDMAC; |
| #endif |
| #ifdef CONFIG_NAND_DENALI |
| tmp |= SC_RSTCTRL_NRST_NAND; |
| #endif |
| writel(tmp, SC_RSTCTRL); |
| readl(SC_RSTCTRL); /* dummy read */ |
| |
| /* privide clocks */ |
| tmp = readl(SC_CLKCTRL); |
| #ifdef CONFIG_UNIPHIER_ETH |
| tmp |= SC_CLKCTRL_CEN_ETHER; |
| #endif |
| #ifdef CONFIG_USB_EHCI_UNIPHIER |
| tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC; |
| #endif |
| #ifdef CONFIG_NAND_DENALI |
| tmp |= SC_CLKCTRL_CEN_NAND; |
| #endif |
| writel(tmp, SC_CLKCTRL); |
| readl(SC_CLKCTRL); /* dummy read */ |
| } |
