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git.ipfire.org Git - people/ms/u-boot.git/blob - arch/arm/mach-uniphier/clk/clk-ld4.c
2 * Copyright (C) 2011-2015 Panasonic Corporation
3 * Copyright (C) 2015-2016 Socionext Inc.
4 * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
6 * SPDX-License-Identifier: GPL-2.0+
12 #include "../sc-regs.h"
14 void uniphier_ld4_clk_init(void)
19 tmp
= readl(SC_RSTCTRL
);
20 #ifdef CONFIG_UNIPHIER_ETH
21 tmp
|= SC_RSTCTRL_NRST_ETHER
;
23 #ifdef CONFIG_NAND_DENALI
24 tmp
|= SC_RSTCTRL_NRST_NAND
;
26 writel(tmp
, SC_RSTCTRL
);
27 readl(SC_RSTCTRL
); /* dummy read */
30 tmp
= readl(SC_CLKCTRL
);
31 #ifdef CONFIG_UNIPHIER_ETH
32 tmp
|= SC_CLKCTRL_CEN_ETHER
;
34 #ifdef CONFIG_USB_EHCI_HCD
35 tmp
|= SC_CLKCTRL_CEN_MIO
| SC_CLKCTRL_CEN_STDMAC
;
37 #ifdef CONFIG_NAND_DENALI
38 tmp
|= SC_CLKCTRL_CEN_NAND
;
40 writel(tmp
, SC_CLKCTRL
);
41 readl(SC_CLKCTRL
); /* dummy read */