1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015-2017 Socionext Inc.
9 #include "../sc-regs.h"
11 void uniphier_pro5_dram_clk_init(void)
18 * UMCA1, UMC31: Ch0 (WIO1)
19 * UMCA0, UMC30: Ch0 (WIO0)
21 tmp = readl(SC_RSTCTRL4);
22 tmp |= SC_RSTCTRL4_NRST_UMCSB | SC_RSTCTRL4_NRST_UMCA2 |
23 SC_RSTCTRL4_NRST_UMCA1 | SC_RSTCTRL4_NRST_UMCA0 |
24 SC_RSTCTRL4_NRST_UMC31 | SC_RSTCTRL4_NRST_UMC30;
25 writel(tmp, SC_RSTCTRL4);
26 readl(SC_RSTCTRL4); /* dummy read */
29 tmp = readl(SC_CLKCTRL4);
30 tmp |= SC_CLKCTRL4_CEN_UMCSB | SC_CLKCTRL4_CEN_UMC1 |
32 writel(tmp, SC_CLKCTRL4);
33 readl(SC_CLKCTRL4); /* dummy read */