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