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ea65c98050
The current CONFIG names like "CONFIG_ARCH_UNIPHIER_PH1_PRO4" is too long. It would not hurt to drop "PH1_" because "UNIPHIER_" already well specifies the SoC family. Also, rename files for consistency. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
44 lines
856 B
C
44 lines
856 B
C
/*
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* Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <linux/io.h>
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#include "../init.h"
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#include "../sc-regs.h"
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void ph1_ld4_clk_init(void)
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{
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u32 tmp;
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/* deassert reset */
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tmp = readl(SC_RSTCTRL);
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#ifdef CONFIG_UNIPHIER_ETH
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tmp |= SC_RSTCTRL_NRST_ETHER;
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#endif
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#ifdef CONFIG_USB_EHCI
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tmp |= SC_RSTCTRL_NRST_STDMAC;
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#endif
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#ifdef CONFIG_NAND_DENALI
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tmp |= SC_RSTCTRL_NRST_NAND;
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#endif
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writel(tmp, SC_RSTCTRL);
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readl(SC_RSTCTRL); /* dummy read */
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/* privide clocks */
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tmp = readl(SC_CLKCTRL);
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#ifdef CONFIG_UNIPHIER_ETH
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tmp |= SC_CLKCTRL_CEN_ETHER;
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#endif
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#ifdef CONFIG_USB_EHCI
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tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC;
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#endif
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#ifdef CONFIG_NAND_DENALI
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tmp |= SC_CLKCTRL_CEN_NAND;
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#endif
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writel(tmp, SC_CLKCTRL);
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readl(SC_CLKCTRL); /* dummy read */
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}
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