// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2011-2015 Panasonic Corporation * Copyright (C) 2015-2016 Socionext Inc. * Author: Masahiro Yamada */ #include #include "../init.h" #include "../sc-regs.h" void uniphier_ld4_clk_init(void) { u32 tmp; /* deassert reset */ tmp = readl(sc_base + SC_RSTCTRL); #ifdef CONFIG_NAND_DENALI tmp |= SC_RSTCTRL_NRST_NAND; #endif writel(tmp, sc_base + SC_RSTCTRL); readl(sc_base + SC_RSTCTRL); /* dummy read */ /* provide clocks */ tmp = readl(sc_base + SC_CLKCTRL); #ifdef CONFIG_NAND_DENALI tmp |= SC_CLKCTRL_CEN_NAND; #endif writel(tmp, sc_base + SC_CLKCTRL); readl(sc_base + SC_CLKCTRL); /* dummy read */ }