blob: 874964b2d5bc04dd82232121b5254bb2dd89ed8e [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
*/
#include <linux/io.h>
#include "../init.h"
#include "../sc-regs.h"
void uniphier_pro5_clk_init(void)
{
u32 tmp;
/* deassert reset */
tmp = readl(sc_base + SC_RSTCTRL);
#ifdef CONFIG_USB_DWC3_UNIPHIER
tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO;
#endif
#ifdef CONFIG_NAND_DENALI
tmp |= SC_RSTCTRL_NRST_NAND;
#endif
writel(tmp, sc_base + SC_RSTCTRL);
readl(sc_base + SC_RSTCTRL); /* dummy read */
#ifdef CONFIG_USB_DWC3_UNIPHIER
tmp = readl(sc_base + SC_RSTCTRL2);
tmp |= SC_RSTCTRL2_NRST_USB3B1;
writel(tmp, sc_base + SC_RSTCTRL2);
readl(sc_base + SC_RSTCTRL2); /* dummy read */
#endif
/* provide clocks */
tmp = readl(sc_base + SC_CLKCTRL);
#ifdef CONFIG_USB_DWC3_UNIPHIER
tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
SC_CLKCTRL_CEN_GIO;
#endif
#ifdef CONFIG_NAND_DENALI
tmp |= SC_CLKCTRL_CEN_NAND;
#endif
writel(tmp, sc_base + SC_CLKCTRL);
readl(sc_base + SC_CLKCTRL); /* dummy read */
}