2 * Copyright (C) 2011-2014 Panasonic Corporation
3 * Copyright (C) 2015-2017 Socionext Inc.
5 * SPDX-License-Identifier: GPL-2.0+
13 #include "../sc-regs.h"
15 void uniphier_ld4_early_clk_init(void)
20 if (spl_boot_device() != BOOT_DEVICE_NAND) {
21 tmp = readl(SC_RSTCTRL);
22 tmp &= ~SC_RSTCTRL_NRST_NAND;
23 writel(tmp, SC_RSTCTRL);
27 tmp = readl(SC_CLKCTRL);
28 tmp |= SC_CLKCTRL_CEN_SBC | SC_CLKCTRL_CEN_PERI;
29 writel(tmp, SC_CLKCTRL);
30 readl(SC_CLKCTRL); /* dummy read */