1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (C) 2011-2015 Panasonic Corporation 3*4882a593Smuzhiyun * Copyright (C) 2015-2016 Socionext Inc. 4*4882a593Smuzhiyun * Author: Masahiro Yamada <yamada.masahiro@socionext.com> 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/io.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include "../init.h" 12*4882a593Smuzhiyun #include "../sc-regs.h" 13*4882a593Smuzhiyun uniphier_pro4_clk_init(void)14*4882a593Smuzhiyunvoid uniphier_pro4_clk_init(void) 15*4882a593Smuzhiyun { 16*4882a593Smuzhiyun u32 tmp; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* deassert reset */ 19*4882a593Smuzhiyun tmp = readl(SC_RSTCTRL); 20*4882a593Smuzhiyun #ifdef CONFIG_USB_XHCI_UNIPHIER 21*4882a593Smuzhiyun tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_USB3C0 | 22*4882a593Smuzhiyun SC_RSTCTRL_NRST_GIO; 23*4882a593Smuzhiyun #endif 24*4882a593Smuzhiyun #ifdef CONFIG_UNIPHIER_ETH 25*4882a593Smuzhiyun tmp |= SC_RSTCTRL_NRST_ETHER; 26*4882a593Smuzhiyun #endif 27*4882a593Smuzhiyun #ifdef CONFIG_NAND_DENALI 28*4882a593Smuzhiyun tmp |= SC_RSTCTRL_NRST_NAND; 29*4882a593Smuzhiyun #endif 30*4882a593Smuzhiyun writel(tmp, SC_RSTCTRL); 31*4882a593Smuzhiyun readl(SC_RSTCTRL); /* dummy read */ 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #ifdef CONFIG_USB_XHCI_UNIPHIER 34*4882a593Smuzhiyun tmp = readl(SC_RSTCTRL2); 35*4882a593Smuzhiyun tmp |= SC_RSTCTRL2_NRST_USB3B1 | SC_RSTCTRL2_NRST_USB3C1; 36*4882a593Smuzhiyun writel(tmp, SC_RSTCTRL2); 37*4882a593Smuzhiyun readl(SC_RSTCTRL2); /* dummy read */ 38*4882a593Smuzhiyun #endif 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* provide clocks */ 41*4882a593Smuzhiyun tmp = readl(SC_CLKCTRL); 42*4882a593Smuzhiyun #ifdef CONFIG_USB_XHCI_UNIPHIER 43*4882a593Smuzhiyun tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 | 44*4882a593Smuzhiyun SC_CLKCTRL_CEN_GIO; 45*4882a593Smuzhiyun #endif 46*4882a593Smuzhiyun #ifdef CONFIG_UNIPHIER_ETH 47*4882a593Smuzhiyun tmp |= SC_CLKCTRL_CEN_ETHER; 48*4882a593Smuzhiyun #endif 49*4882a593Smuzhiyun #ifdef CONFIG_USB_EHCI_HCD 50*4882a593Smuzhiyun tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC; 51*4882a593Smuzhiyun #endif 52*4882a593Smuzhiyun #ifdef CONFIG_NAND_DENALI 53*4882a593Smuzhiyun tmp |= SC_CLKCTRL_CEN_NAND; 54*4882a593Smuzhiyun #endif 55*4882a593Smuzhiyun writel(tmp, SC_CLKCTRL); 56*4882a593Smuzhiyun readl(SC_CLKCTRL); /* dummy read */ 57*4882a593Smuzhiyun } 58