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- /*
- * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #include <linux/io.h>
- #include "../init.h"
- #include "../sc-regs.h"
- void uniphier_pro5_clk_init(void)
- {
- u32 tmp;
- /* deassert reset */
- tmp = readl(SC_RSTCTRL);
- #ifdef CONFIG_USB_XHCI_UNIPHIER
- tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO;
- #endif
- #ifdef CONFIG_NAND_DENALI
- tmp |= SC_RSTCTRL_NRST_NAND;
- #endif
- writel(tmp, SC_RSTCTRL);
- readl(SC_RSTCTRL); /* dummy read */
- #ifdef CONFIG_USB_XHCI_UNIPHIER
- tmp = readl(SC_RSTCTRL2);
- tmp |= SC_RSTCTRL2_NRST_USB3B1;
- writel(tmp, SC_RSTCTRL2);
- readl(SC_RSTCTRL2); /* dummy read */
- #endif
- /* provide clocks */
- tmp = readl(SC_CLKCTRL);
- #ifdef CONFIG_USB_XHCI_UNIPHIER
- tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
- SC_CLKCTRL_CEN_GIO;
- #endif
- #ifdef CONFIG_NAND_DENALI
- tmp |= SC_CLKCTRL_CEN_NAND;
- #endif
- writel(tmp, SC_CLKCTRL);
- readl(SC_CLKCTRL); /* dummy read */
- }
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