1ea65c980SMasahiro Yamada /* 2ea65c980SMasahiro Yamada * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> 3ea65c980SMasahiro Yamada * 4ea65c980SMasahiro Yamada * SPDX-License-Identifier: GPL-2.0+ 5ea65c980SMasahiro Yamada */ 6ea65c980SMasahiro Yamada 7*29d63a59SMasahiro Yamada #include <linux/bitops.h> 8ea65c980SMasahiro Yamada #include <linux/io.h> 9ea65c980SMasahiro Yamada 10ea65c980SMasahiro Yamada #include "../init.h" 11ea65c980SMasahiro Yamada #include "../sc-regs.h" 12ea65c980SMasahiro Yamada uniphier_pxs2_clk_init(void)135b660066SMasahiro Yamadavoid uniphier_pxs2_clk_init(void) 14ea65c980SMasahiro Yamada { 15ea65c980SMasahiro Yamada u32 tmp; 16ea65c980SMasahiro Yamada 17ea65c980SMasahiro Yamada /* deassert reset */ 18ea65c980SMasahiro Yamada tmp = readl(SC_RSTCTRL); 19ea65c980SMasahiro Yamada #ifdef CONFIG_USB_XHCI_UNIPHIER 20ea65c980SMasahiro Yamada tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO; 21ea65c980SMasahiro Yamada #endif 22ea65c980SMasahiro Yamada #ifdef CONFIG_UNIPHIER_ETH 23ea65c980SMasahiro Yamada tmp |= SC_RSTCTRL_NRST_ETHER; 24ea65c980SMasahiro Yamada #endif 25ea65c980SMasahiro Yamada #ifdef CONFIG_NAND_DENALI 26ea65c980SMasahiro Yamada tmp |= SC_RSTCTRL_NRST_NAND; 27ea65c980SMasahiro Yamada #endif 28ea65c980SMasahiro Yamada writel(tmp, SC_RSTCTRL); 29ea65c980SMasahiro Yamada readl(SC_RSTCTRL); /* dummy read */ 30ea65c980SMasahiro Yamada 31ea65c980SMasahiro Yamada #ifdef CONFIG_USB_XHCI_UNIPHIER 32ea65c980SMasahiro Yamada tmp = readl(SC_RSTCTRL2); 33ea65c980SMasahiro Yamada tmp |= SC_RSTCTRL2_NRST_USB3B1; 34ea65c980SMasahiro Yamada writel(tmp, SC_RSTCTRL2); 35ea65c980SMasahiro Yamada readl(SC_RSTCTRL2); /* dummy read */ 36*29d63a59SMasahiro Yamada 37*29d63a59SMasahiro Yamada tmp = readl(SC_RSTCTRL6); 38*29d63a59SMasahiro Yamada tmp |= 0x37; 39*29d63a59SMasahiro Yamada writel(tmp, SC_RSTCTRL6); 40ea65c980SMasahiro Yamada #endif 41ea65c980SMasahiro Yamada 4267976306SMasahiro Yamada /* provide clocks */ 43ea65c980SMasahiro Yamada tmp = readl(SC_CLKCTRL); 44ea65c980SMasahiro Yamada #ifdef CONFIG_USB_XHCI_UNIPHIER 45*29d63a59SMasahiro Yamada tmp |= BIT(20) | BIT(19) | SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 | 46ea65c980SMasahiro Yamada SC_CLKCTRL_CEN_GIO; 47ea65c980SMasahiro Yamada #endif 48ea65c980SMasahiro Yamada #ifdef CONFIG_UNIPHIER_ETH 49ea65c980SMasahiro Yamada tmp |= SC_CLKCTRL_CEN_ETHER; 50ea65c980SMasahiro Yamada #endif 51ea65c980SMasahiro Yamada #ifdef CONFIG_NAND_DENALI 52ea65c980SMasahiro Yamada tmp |= SC_CLKCTRL_CEN_NAND; 53ea65c980SMasahiro Yamada #endif 54ea65c980SMasahiro Yamada writel(tmp, SC_CLKCTRL); 55ea65c980SMasahiro Yamada readl(SC_CLKCTRL); /* dummy read */ 56ea65c980SMasahiro Yamada } 57