48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2011-2015 Panasonic Corporation
|
||
|
|
* Copyright (C) 2015-2016 Socionext Inc.
|
||
|
|
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/io.h>
|
||
|
|
|
||
|
|
#include "../init.h"
|
||
|
|
#include "../sc-regs.h"
|
||
|
|
|
||
|
|
void uniphier_pro4_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_USB3C0 |
|
||
|
|
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 | SC_RSTCTRL2_NRST_USB3C1;
|
||
|
|
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 */
|
||
|
|
}
|