2 * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
4 * SPDX-License-Identifier: GPL-2.0+
7 #include <linux/bitops.h>
11 #include "../sc-regs.h"
13 void uniphier_pxs2_clk_init(void)
18 tmp = readl(SC_RSTCTRL);
19 #ifdef CONFIG_USB_XHCI_UNIPHIER
20 tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO;
22 #ifdef CONFIG_UNIPHIER_ETH
23 tmp |= SC_RSTCTRL_NRST_ETHER;
25 #ifdef CONFIG_NAND_DENALI
26 tmp |= SC_RSTCTRL_NRST_NAND;
28 writel(tmp, SC_RSTCTRL);
29 readl(SC_RSTCTRL); /* dummy read */
31 #ifdef CONFIG_USB_XHCI_UNIPHIER
32 tmp = readl(SC_RSTCTRL2);
33 tmp |= SC_RSTCTRL2_NRST_USB3B1;
34 writel(tmp, SC_RSTCTRL2);
35 readl(SC_RSTCTRL2); /* dummy read */
37 tmp = readl(SC_RSTCTRL6);
39 writel(tmp, SC_RSTCTRL6);
43 tmp = readl(SC_CLKCTRL);
44 #ifdef CONFIG_USB_XHCI_UNIPHIER
45 tmp |= BIT(20) | BIT(19) | SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
48 #ifdef CONFIG_UNIPHIER_ETH
49 tmp |= SC_CLKCTRL_CEN_ETHER;
51 #ifdef CONFIG_NAND_DENALI
52 tmp |= SC_CLKCTRL_CEN_NAND;
54 writel(tmp, SC_CLKCTRL);
55 readl(SC_CLKCTRL); /* dummy read */