/* * Copyright (C) 2011-2015 Masahiro Yamada * * SPDX-License-Identifier: GPL-2.0+ */ #include #include "../init.h" #include "../sc-regs.h" void uniphier_ld4_clk_init(void) { u32 tmp; /* deassert reset */ tmp = readl(SC_RSTCTRL); #ifdef CONFIG_UNIPHIER_ETH tmp |= SC_RSTCTRL_NRST_ETHER; #endif #ifdef CONFIG_USB_EHCI 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 */ /* provide clocks */ tmp = readl(SC_CLKCTRL); #ifdef CONFIG_UNIPHIER_ETH tmp |= SC_CLKCTRL_CEN_ETHER; #endif #ifdef CONFIG_USB_EHCI 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 */ }