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- /*
- * Copyright (C) 2011-2015 Panasonic Corporation
- * Copyright (C) 2015-2016 Socionext Inc.
- * Author: 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_ld4_clk_init(void)
- {
- u32 tmp;
- /* deassert reset */
- tmp = readl(SC_RSTCTRL);
- #ifdef CONFIG_UNIPHIER_ETH
- tmp |= SC_RSTCTRL_NRST_ETHER;
- #endif
- #ifdef CONFIG_NAND_DENALI
- tmp |= SC_RSTCTRL_NRST_NAND;
- #endif
- writel(tmp, SC_RSTCTRL);
- readl(SC_RSTCTRL); /* dummy read */
- /* provide clocks */
- tmp = readl(SC_CLKCTRL);
- #ifdef CONFIG_UNIPHIER_ETH
- tmp |= SC_CLKCTRL_CEN_ETHER;
- #endif
- #ifdef CONFIG_USB_EHCI
- tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC;
- #endif
- #ifdef CONFIG_NAND_DENALI
- tmp |= SC_CLKCTRL_CEN_NAND;
- #endif
- writel(tmp, SC_CLKCTRL);
- readl(SC_CLKCTRL); /* dummy read */
- }
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