1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include <linux/io.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include "../init.h" 10*4882a593Smuzhiyun #include "../sc-regs.h" 11*4882a593Smuzhiyun uniphier_pro5_clk_init(void)12*4882a593Smuzhiyunvoid uniphier_pro5_clk_init(void) 13*4882a593Smuzhiyun { 14*4882a593Smuzhiyun u32 tmp; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* deassert reset */ 17*4882a593Smuzhiyun tmp = readl(SC_RSTCTRL); 18*4882a593Smuzhiyun #ifdef CONFIG_USB_XHCI_UNIPHIER 19*4882a593Smuzhiyun tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO; 20*4882a593Smuzhiyun #endif 21*4882a593Smuzhiyun #ifdef CONFIG_NAND_DENALI 22*4882a593Smuzhiyun tmp |= SC_RSTCTRL_NRST_NAND; 23*4882a593Smuzhiyun #endif 24*4882a593Smuzhiyun writel(tmp, SC_RSTCTRL); 25*4882a593Smuzhiyun readl(SC_RSTCTRL); /* dummy read */ 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #ifdef CONFIG_USB_XHCI_UNIPHIER 28*4882a593Smuzhiyun tmp = readl(SC_RSTCTRL2); 29*4882a593Smuzhiyun tmp |= SC_RSTCTRL2_NRST_USB3B1; 30*4882a593Smuzhiyun writel(tmp, SC_RSTCTRL2); 31*4882a593Smuzhiyun readl(SC_RSTCTRL2); /* dummy read */ 32*4882a593Smuzhiyun #endif 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun /* provide clocks */ 35*4882a593Smuzhiyun tmp = readl(SC_CLKCTRL); 36*4882a593Smuzhiyun #ifdef CONFIG_USB_XHCI_UNIPHIER 37*4882a593Smuzhiyun tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 | 38*4882a593Smuzhiyun SC_CLKCTRL_CEN_GIO; 39*4882a593Smuzhiyun #endif 40*4882a593Smuzhiyun #ifdef CONFIG_NAND_DENALI 41*4882a593Smuzhiyun tmp |= SC_CLKCTRL_CEN_NAND; 42*4882a593Smuzhiyun #endif 43*4882a593Smuzhiyun writel(tmp, SC_CLKCTRL); 44*4882a593Smuzhiyun readl(SC_CLKCTRL); /* dummy read */ 45*4882a593Smuzhiyun } 46