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Masahiro Yamada5894ca02014-10-03 19:21:06 +09001/*
Masahiro Yamada70dda1b2016-10-17 22:18:03 +09002 * Copyright (C) 2011-2015 Panasonic Corporation
3 * Copyright (C) 2015-2016 Socionext Inc.
4 * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
Masahiro Yamada5894ca02014-10-03 19:21:06 +09005 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
Masahiro Yamadaf6e7f072015-05-29 17:30:00 +09009#include <linux/io.h>
Masahiro Yamada107b3fb2016-01-09 01:51:13 +090010
11#include "../init.h"
12#include "../sc-regs.h"
Masahiro Yamada5894ca02014-10-03 19:21:06 +090013
Masahiro Yamada5b660062016-03-30 20:17:02 +090014void uniphier_pro4_clk_init(void)
Masahiro Yamada5894ca02014-10-03 19:21:06 +090015{
16 u32 tmp;
17
18 /* deassert reset */
19 tmp = readl(SC_RSTCTRL);
Masahiro Yamada15351632015-02-27 02:26:58 +090020#ifdef CONFIG_USB_XHCI_UNIPHIER
21 tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_USB3C0 |
22 SC_RSTCTRL_NRST_GIO;
23#endif
Masahiro Yamada198a97a2015-02-27 02:26:51 +090024#ifdef CONFIG_UNIPHIER_ETH
25 tmp |= SC_RSTCTRL_NRST_ETHER;
26#endif
27#ifdef CONFIG_NAND_DENALI
28 tmp |= SC_RSTCTRL_NRST_NAND;
29#endif
Masahiro Yamada5894ca02014-10-03 19:21:06 +090030 writel(tmp, SC_RSTCTRL);
31 readl(SC_RSTCTRL); /* dummy read */
32
Masahiro Yamada15351632015-02-27 02:26:58 +090033#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 */
38#endif
39
Masahiro Yamada67976302016-03-30 20:17:42 +090040 /* provide clocks */
Masahiro Yamada5894ca02014-10-03 19:21:06 +090041 tmp = readl(SC_CLKCTRL);
Masahiro Yamada15351632015-02-27 02:26:58 +090042#ifdef CONFIG_USB_XHCI_UNIPHIER
43 tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
44 SC_CLKCTRL_CEN_GIO;
45#endif
Masahiro Yamada198a97a2015-02-27 02:26:51 +090046#ifdef CONFIG_UNIPHIER_ETH
47 tmp |= SC_CLKCTRL_CEN_ETHER;
48#endif
Masahiro Yamadacd0847f2016-02-02 21:11:39 +090049#ifdef CONFIG_USB_EHCI
Masahiro Yamada42ca6982015-02-27 02:26:53 +090050 tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC;
Masahiro Yamada198a97a2015-02-27 02:26:51 +090051#endif
52#ifdef CONFIG_NAND_DENALI
53 tmp |= SC_CLKCTRL_CEN_NAND;
54#endif
Masahiro Yamada5894ca02014-10-03 19:21:06 +090055 writel(tmp, SC_CLKCTRL);
56 readl(SC_CLKCTRL); /* dummy read */
57}