1ea65c980SMasahiro Yamada /* 2ea65c980SMasahiro Yamada * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com> 3ea65c980SMasahiro Yamada * 4ea65c980SMasahiro Yamada * SPDX-License-Identifier: GPL-2.0+ 5ea65c980SMasahiro Yamada */ 6ea65c980SMasahiro Yamada 7ea65c980SMasahiro Yamada #include <linux/io.h> 8ea65c980SMasahiro Yamada 9ea65c980SMasahiro Yamada #include "../init.h" 10ea65c980SMasahiro Yamada #include "../sc-regs.h" 11ea65c980SMasahiro Yamada 12*5b660066SMasahiro Yamada void uniphier_ld4_clk_init(void) 13ea65c980SMasahiro Yamada { 14ea65c980SMasahiro Yamada u32 tmp; 15ea65c980SMasahiro Yamada 16ea65c980SMasahiro Yamada /* deassert reset */ 17ea65c980SMasahiro Yamada tmp = readl(SC_RSTCTRL); 18ea65c980SMasahiro Yamada #ifdef CONFIG_UNIPHIER_ETH 19ea65c980SMasahiro Yamada tmp |= SC_RSTCTRL_NRST_ETHER; 20ea65c980SMasahiro Yamada #endif 21ea65c980SMasahiro Yamada #ifdef CONFIG_USB_EHCI 22ea65c980SMasahiro Yamada tmp |= SC_RSTCTRL_NRST_STDMAC; 23ea65c980SMasahiro Yamada #endif 24ea65c980SMasahiro Yamada #ifdef CONFIG_NAND_DENALI 25ea65c980SMasahiro Yamada tmp |= SC_RSTCTRL_NRST_NAND; 26ea65c980SMasahiro Yamada #endif 27ea65c980SMasahiro Yamada writel(tmp, SC_RSTCTRL); 28ea65c980SMasahiro Yamada readl(SC_RSTCTRL); /* dummy read */ 29ea65c980SMasahiro Yamada 30ea65c980SMasahiro Yamada /* privide clocks */ 31ea65c980SMasahiro Yamada tmp = readl(SC_CLKCTRL); 32ea65c980SMasahiro Yamada #ifdef CONFIG_UNIPHIER_ETH 33ea65c980SMasahiro Yamada tmp |= SC_CLKCTRL_CEN_ETHER; 34ea65c980SMasahiro Yamada #endif 35ea65c980SMasahiro Yamada #ifdef CONFIG_USB_EHCI 36ea65c980SMasahiro Yamada tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC; 37ea65c980SMasahiro Yamada #endif 38ea65c980SMasahiro Yamada #ifdef CONFIG_NAND_DENALI 39ea65c980SMasahiro Yamada tmp |= SC_CLKCTRL_CEN_NAND; 40ea65c980SMasahiro Yamada #endif 41ea65c980SMasahiro Yamada writel(tmp, SC_CLKCTRL); 42ea65c980SMasahiro Yamada readl(SC_CLKCTRL); /* dummy read */ 43ea65c980SMasahiro Yamada } 44