1 /* 2 * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <linux/io.h> 8 9 #include "../init.h" 10 #include "../sc-regs.h" 11 12 void uniphier_pro5_clk_init(void) 13 { 14 u32 tmp; 15 16 /* deassert reset */ 17 tmp = readl(SC_RSTCTRL); 18 #ifdef CONFIG_USB_DWC3_UNIPHIER 19 tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO; 20 #endif 21 #ifdef CONFIG_NAND_DENALI 22 tmp |= SC_RSTCTRL_NRST_NAND; 23 #endif 24 writel(tmp, SC_RSTCTRL); 25 readl(SC_RSTCTRL); /* dummy read */ 26 27 #ifdef CONFIG_USB_DWC3_UNIPHIER 28 tmp = readl(SC_RSTCTRL2); 29 tmp |= SC_RSTCTRL2_NRST_USB3B1; 30 writel(tmp, SC_RSTCTRL2); 31 readl(SC_RSTCTRL2); /* dummy read */ 32 #endif 33 34 /* provide clocks */ 35 tmp = readl(SC_CLKCTRL); 36 #ifdef CONFIG_USB_DWC3_UNIPHIER 37 tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 | 38 SC_CLKCTRL_CEN_GIO; 39 #endif 40 #ifdef CONFIG_NAND_DENALI 41 tmp |= SC_CLKCTRL_CEN_NAND; 42 #endif 43 writel(tmp, SC_CLKCTRL); 44 readl(SC_CLKCTRL); /* dummy read */ 45 } 46