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git.ipfire.org Git - thirdparty/u-boot.git/blob - arch/arm/mach-uniphier/clk/clk-dram-pxs2.c
1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2016-2017 Socionext Inc.
11 #include "../sc-regs.h"
13 void uniphier_pxs2_dram_clk_init(void)
18 tmp
= readl(SC_RSTCTRL4
);
19 tmp
|= SC_RSTCTRL4_NRST_UMCSB
| SC_RSTCTRL4_NRST_UMCA2
|
20 SC_RSTCTRL4_NRST_UMCA1
| SC_RSTCTRL4_NRST_UMCA0
|
21 SC_RSTCTRL4_NRST_UMC32
| SC_RSTCTRL4_NRST_UMC31
|
22 SC_RSTCTRL4_NRST_UMC30
;
23 writel(tmp
, SC_RSTCTRL4
);
24 readl(SC_RSTCTRL4
); /* dummy read */
27 tmp
= readl(SC_CLKCTRL4
);
28 tmp
|= SC_CLKCTRL4_CEN_UMCSB
| SC_CLKCTRL4_CEN_UMC2
|
29 SC_CLKCTRL4_CEN_UMC1
| SC_CLKCTRL4_CEN_UMC0
;
30 writel(tmp
, SC_CLKCTRL4
);
31 readl(SC_CLKCTRL4
); /* dummy read */