u-boot-brain/arch/arm/mach-uniphier/clk/clk-pro4.c
Masahiro Yamada d0df9588e8 ARM: uniphier: remove CONFIG_UNIPHIER_ETH
The option is never enabled by anyone.  Remove the code surrounded
by its ifdef.  This should be handled by the clock/reset drivers.

CONFIG_UNIPHIER_ETH in scripts/config_whitelist.txt will be dropped
by the next resync.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-10-23 01:02:05 +09:00

52 lines
1.2 KiB
C

/*
* Copyright (C) 2011-2015 Panasonic Corporation
* Copyright (C) 2015-2016 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/io.h>
#include "../init.h"
#include "../sc-regs.h"
void uniphier_pro4_clk_init(void)
{
u32 tmp;
/* deassert reset */
tmp = readl(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_RSTCTRL);
readl(SC_RSTCTRL); /* dummy read */
#ifdef CONFIG_USB_DWC3_UNIPHIER
tmp = readl(SC_RSTCTRL2);
tmp |= SC_RSTCTRL2_NRST_USB3B1 | SC_RSTCTRL2_NRST_USB3C1;
writel(tmp, SC_RSTCTRL2);
readl(SC_RSTCTRL2); /* dummy read */
#endif
/* provide clocks */
tmp = readl(SC_CLKCTRL);
#ifdef CONFIG_USB_DWC3_UNIPHIER
tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
SC_CLKCTRL_CEN_GIO;
#endif
#ifdef CONFIG_USB_EHCI_HCD
tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC;
#endif
#ifdef CONFIG_NAND_DENALI
tmp |= SC_CLKCTRL_CEN_NAND;
#endif
writel(tmp, SC_CLKCTRL);
readl(SC_CLKCTRL); /* dummy read */
}