| Masahiro Yamada | 5894ca0 | 2014-10-03 19:21:06 +0900 | [diff] [blame] | 1 | /* |
| Masahiro Yamada | 70dda1b | 2016-10-17 22:18:03 +0900 | [diff] [blame] | 2 | * Copyright (C) 2011-2015 Panasonic Corporation |
| 3 | * Copyright (C) 2015-2016 Socionext Inc. |
| 4 | * Author: Masahiro Yamada <yamada.masahiro@socionext.com> |
| Masahiro Yamada | 5894ca0 | 2014-10-03 19:21:06 +0900 | [diff] [blame] | 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0+ |
| 7 | */ |
| 8 | |
| Masahiro Yamada | f6e7f07 | 2015-05-29 17:30:00 +0900 | [diff] [blame] | 9 | #include <linux/io.h> |
| Masahiro Yamada | 107b3fb | 2016-01-09 01:51:13 +0900 | [diff] [blame] | 10 | |
| 11 | #include "../init.h" |
| 12 | #include "../sc-regs.h" |
| Masahiro Yamada | 5894ca0 | 2014-10-03 19:21:06 +0900 | [diff] [blame] | 13 | |
| Masahiro Yamada | 5b66006 | 2016-03-30 20:17:02 +0900 | [diff] [blame] | 14 | void uniphier_ld4_clk_init(void) |
| Masahiro Yamada | 5894ca0 | 2014-10-03 19:21:06 +0900 | [diff] [blame] | 15 | { |
| 16 | u32 tmp; |
| 17 | |
| 18 | /* deassert reset */ |
| 19 | tmp = readl(SC_RSTCTRL); |
| Masahiro Yamada | 198a97a | 2015-02-27 02:26:51 +0900 | [diff] [blame] | 20 | #ifdef CONFIG_UNIPHIER_ETH |
| 21 | tmp |= SC_RSTCTRL_NRST_ETHER; |
| 22 | #endif |
| 23 | #ifdef CONFIG_NAND_DENALI |
| 24 | tmp |= SC_RSTCTRL_NRST_NAND; |
| 25 | #endif |
| Masahiro Yamada | 5894ca0 | 2014-10-03 19:21:06 +0900 | [diff] [blame] | 26 | writel(tmp, SC_RSTCTRL); |
| 27 | readl(SC_RSTCTRL); /* dummy read */ |
| 28 | |
| Masahiro Yamada | 6797630 | 2016-03-30 20:17:42 +0900 | [diff] [blame] | 29 | /* provide clocks */ |
| Masahiro Yamada | 5894ca0 | 2014-10-03 19:21:06 +0900 | [diff] [blame] | 30 | tmp = readl(SC_CLKCTRL); |
| Masahiro Yamada | 198a97a | 2015-02-27 02:26:51 +0900 | [diff] [blame] | 31 | #ifdef CONFIG_UNIPHIER_ETH |
| 32 | tmp |= SC_CLKCTRL_CEN_ETHER; |
| 33 | #endif |
| Masahiro Yamada | cd0847f | 2016-02-02 21:11:39 +0900 | [diff] [blame] | 34 | #ifdef CONFIG_USB_EHCI |
| Masahiro Yamada | 42ca698 | 2015-02-27 02:26:53 +0900 | [diff] [blame] | 35 | tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC; |
| Masahiro Yamada | 198a97a | 2015-02-27 02:26:51 +0900 | [diff] [blame] | 36 | #endif |
| 37 | #ifdef CONFIG_NAND_DENALI |
| 38 | tmp |= SC_CLKCTRL_CEN_NAND; |
| 39 | #endif |
| Masahiro Yamada | 5894ca0 | 2014-10-03 19:21:06 +0900 | [diff] [blame] | 40 | writel(tmp, SC_CLKCTRL); |
| 41 | readl(SC_CLKCTRL); /* dummy read */ |
| 42 | } |