diff options
author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-02-27 02:26:51 +0900 |
---|---|---|
committer | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-03-01 00:02:36 +0900 |
commit | 198a97a6abe7090109002baea0d2cb46070955aa (patch) | |
tree | 4ee4cea278f41d5f16147152028785e3891cf97b /arch/arm/mach-uniphier/ph1-sld8 | |
parent | f267b81e20da095539c7da7103afbd1e1b39b20b (diff) | |
download | u-boot-imx-198a97a6abe7090109002baea0d2cb46070955aa.zip u-boot-imx-198a97a6abe7090109002baea0d2cb46070955aa.tar.gz u-boot-imx-198a97a6abe7090109002baea0d2cb46070955aa.tar.bz2 |
ARM: UniPhier: split clkrst_init() into two functions
Split the current clkrst_init() into two functions:
- early_clkrst_init(): called from SPL
Deassert the reset signals of the memory controller and some other
basic cores.
- clkrst_init(): called from main U-boot
Deassert the reset signals that are necessary for the access to
peripherals etc.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'arch/arm/mach-uniphier/ph1-sld8')
-rw-r--r-- | arch/arm/mach-uniphier/ph1-sld8/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c | 30 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/ph1-sld8/early_clkrst_init.c | 1 |
3 files changed, 4 insertions, 31 deletions
diff --git a/arch/arm/mach-uniphier/ph1-sld8/Makefile b/arch/arm/mach-uniphier/ph1-sld8/Makefile index 72f4663..927640a 100644 --- a/arch/arm/mach-uniphier/ph1-sld8/Makefile +++ b/arch/arm/mach-uniphier/ph1-sld8/Makefile @@ -4,10 +4,10 @@ ifdef CONFIG_SPL_BUILD obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o -obj-y += bcu_init.o sbc_init.o sg_init.o pll_init.o clkrst_init.o \ +obj-y += bcu_init.o sbc_init.o sg_init.o pll_init.o early_clkrst_init.o \ pll_spectrum.o umc_init.o ddrphy_init.o else -obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o +obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o clkrst_init.o obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o endif diff --git a/arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c b/arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c index eaa45f9..8d3435d 100644 --- a/arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c +++ b/arch/arm/mach-uniphier/ph1-sld8/clkrst_init.c @@ -1,29 +1 @@ -/* - * Copyright (C) 2011-2014 Panasonic Corporation - * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <mach/sc-regs.h> - -void clkrst_init(void) -{ - u32 tmp; - - /* deassert reset */ - tmp = readl(SC_RSTCTRL); - tmp |= SC_RSTCTRL_NRST_ETHER | SC_RSTCTRL_NRST_UMC1 - | SC_RSTCTRL_NRST_UMC0 | SC_RSTCTRL_NRST_NAND; - writel(tmp, SC_RSTCTRL); - readl(SC_RSTCTRL); /* dummy read */ - - /* privide clocks */ - tmp = readl(SC_CLKCTRL); - tmp |= SC_CLKCTRL_CEN_ETHER | SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_UMC - | SC_CLKCTRL_CEN_NAND | SC_CLKCTRL_CEN_SBC | SC_CLKCTRL_CEN_PERI; - writel(tmp, SC_CLKCTRL); - readl(SC_CLKCTRL); /* dummy read */ -} +#include "../ph1-ld4/clkrst_init.c" diff --git a/arch/arm/mach-uniphier/ph1-sld8/early_clkrst_init.c b/arch/arm/mach-uniphier/ph1-sld8/early_clkrst_init.c new file mode 100644 index 0000000..dd236b7 --- /dev/null +++ b/arch/arm/mach-uniphier/ph1-sld8/early_clkrst_init.c @@ -0,0 +1 @@ +#include "../ph1-ld4/early_clkrst_init.c" |