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_DWC3_UNIPHIER
20 tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO;
22 #ifdef CONFIG_NAND_DENALI
23 tmp |= SC_RSTCTRL_NRST_NAND;
25 writel(tmp, SC_RSTCTRL);
26 readl(SC_RSTCTRL); /* dummy read */
28 #ifdef CONFIG_USB_DWC3_UNIPHIER
29 tmp = readl(SC_RSTCTRL2);
30 tmp |= SC_RSTCTRL2_NRST_USB3B1;
31 writel(tmp, SC_RSTCTRL2);
32 readl(SC_RSTCTRL2); /* dummy read */
34 tmp = readl(SC_RSTCTRL6);
36 writel(tmp, SC_RSTCTRL6);
40 tmp = readl(SC_CLKCTRL);
41 #ifdef CONFIG_USB_DWC3_UNIPHIER
42 tmp |= BIT(20) | BIT(19) | SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
45 #ifdef CONFIG_NAND_DENALI
46 tmp |= SC_CLKCTRL_CEN_NAND;
48 writel(tmp, SC_CLKCTRL);
49 readl(SC_CLKCTRL); /* dummy read */