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git.ipfire.org Git - people/ms/u-boot.git/blob - arch/arm/mach-uniphier/early-clk/early-clk-ph1-pro5.c
2 * Copyright (C) 2015 Masahiro Yamada <yamada.m@jp.panasonic.com>
4 * SPDX-License-Identifier: GPL-2.0+
10 #include "../sc-regs.h"
12 int ph1_pro5_early_clk_init(const struct uniphier_board_data
*bd
)
19 * UMCA1, UMC31: Ch0 (WIO1)
20 * UMCA0, UMC30: Ch0 (WIO0)
22 tmp
= readl(SC_RSTCTRL4
);
23 tmp
|= SC_RSTCTRL4_NRST_UMCSB
| SC_RSTCTRL4_NRST_UMCA2
|
24 SC_RSTCTRL4_NRST_UMCA1
| SC_RSTCTRL4_NRST_UMCA0
|
25 SC_RSTCTRL4_NRST_UMC31
| SC_RSTCTRL4_NRST_UMC30
;
26 writel(tmp
, SC_RSTCTRL4
);
27 readl(SC_RSTCTRL
); /* dummy read */
30 tmp
= readl(SC_CLKCTRL
);
31 tmp
|= SC_CLKCTRL_CEN_SBC
| SC_CLKCTRL_CEN_PERI
;
32 writel(tmp
, SC_CLKCTRL
);
33 tmp
= readl(SC_CLKCTRL4
);
34 tmp
|= SC_CLKCTRL4_CEN_UMCSB
| SC_CLKCTRL4_CEN_UMC1
|
36 writel(tmp
, SC_CLKCTRL4
);
37 readl(SC_CLKCTRL4
); /* dummy read */