| Masahiro Yamada | bb2ff9d | 2014-10-03 19:21:06 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011-2014 Panasonic Corporation |
| 3 | * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <asm/io.h> |
| 10 | #include <asm/arch/sc-regs.h> |
| 11 | |
| 12 | void clkrst_init(void) |
| 13 | { |
| 14 | u32 tmp; |
| 15 | |
| 16 | /* deassert reset */ |
| 17 | tmp = readl(SC_RSTCTRL); |
| 18 | tmp |= SC_RSTCTRL_NRST_ETHER | SC_RSTCTRL_NRST_UMC1 |
| 19 | | SC_RSTCTRL_NRST_UMC0 | SC_RSTCTRL_NRST_NAND; |
| 20 | writel(tmp, SC_RSTCTRL); |
| 21 | readl(SC_RSTCTRL); /* dummy read */ |
| 22 | |
| 23 | /* privide clocks */ |
| 24 | tmp = readl(SC_CLKCTRL); |
| 25 | tmp |= SC_CLKCTRL_CLK_ETHER | SC_CLKCTRL_CLK_MIO | SC_CLKCTRL_CLK_UMC |
| 26 | | SC_CLKCTRL_CLK_NAND | SC_CLKCTRL_CLK_SBC | SC_CLKCTRL_CLK_PERI; |
| 27 | writel(tmp, SC_CLKCTRL); |
| 28 | readl(SC_CLKCTRL); /* dummy read */ |
| 29 | } |