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git.ipfire.org Git - people/ms/u-boot.git/blob - arch/arm/mach-uniphier/clk/clk-pro4.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_pro4_clk_init(void)
19 tmp
= readl(SC_RSTCTRL
);
20 #ifdef CONFIG_USB_XHCI_UNIPHIER
21 tmp
|= SC_RSTCTRL_NRST_USB3B0
| SC_RSTCTRL_NRST_USB3C0
|
24 #ifdef CONFIG_UNIPHIER_ETH
25 tmp
|= SC_RSTCTRL_NRST_ETHER
;
27 #ifdef CONFIG_NAND_DENALI
28 tmp
|= SC_RSTCTRL_NRST_NAND
;
30 writel(tmp
, SC_RSTCTRL
);
31 readl(SC_RSTCTRL
); /* dummy read */
33 #ifdef CONFIG_USB_XHCI_UNIPHIER
34 tmp
= readl(SC_RSTCTRL2
);
35 tmp
|= SC_RSTCTRL2_NRST_USB3B1
| SC_RSTCTRL2_NRST_USB3C1
;
36 writel(tmp
, SC_RSTCTRL2
);
37 readl(SC_RSTCTRL2
); /* dummy read */
41 tmp
= readl(SC_CLKCTRL
);
42 #ifdef CONFIG_USB_XHCI_UNIPHIER
43 tmp
|= SC_CLKCTRL_CEN_USB31
| SC_CLKCTRL_CEN_USB30
|
46 #ifdef CONFIG_UNIPHIER_ETH
47 tmp
|= SC_CLKCTRL_CEN_ETHER
;
49 #ifdef CONFIG_USB_EHCI
50 tmp
|= SC_CLKCTRL_CEN_MIO
| SC_CLKCTRL_CEN_STDMAC
;
52 #ifdef CONFIG_NAND_DENALI
53 tmp
|= SC_CLKCTRL_CEN_NAND
;
55 writel(tmp
, SC_CLKCTRL
);
56 readl(SC_CLKCTRL
); /* dummy read */