From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 2/4] MIPS: add Malta machine support to barebox
Date: Thu, 30 Jun 2011 05:02:55 +0200 [thread overview]
Message-ID: <20110630030255.GL17355@game.jcrosoft.org> (raw)
In-Reply-To: <1309317858-11861-2-git-send-email-antonynpavlov@gmail.com>
On 07:24 Wed 29 Jun , Antony Pavlov wrote:
> The machines use big-endian mode.
> Only supported peripheral is serial port.
>
> Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
> ---
> arch/mips/Kconfig | 13 ++++++++
> arch/mips/Makefile | 2 +
> arch/mips/mach-mti-malta/Kconfig | 20 ++++++++++++
> arch/mips/mach-mti-malta/Makefile | 1 +
> arch/mips/mach-mti-malta/include/mach/hardware.h | 32 +++++++++++++++++++
> arch/mips/mach-mti-malta/reset.c | 36 ++++++++++++++++++++++
> 6 files changed, 104 insertions(+), 0 deletions(-)
> create mode 100644 arch/mips/mach-mti-malta/Kconfig
> create mode 100644 arch/mips/mach-mti-malta/Makefile
> create mode 100644 arch/mips/mach-mti-malta/include/mach/hardware.h
> create mode 100644 arch/mips/mach-mti-malta/reset.c
>
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 4681f54..5a8d0f6 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -21,6 +21,17 @@ config GENERIC_LINKER_SCRIPT
> bool
> default y
>
> +choice
> + prompt "MIPS system type"
> +
> +config MACH_MIPS_MALTA
> + bool "Malta"
> + select CSRC_R4K_LIB
> + select DRIVER_SERIAL_NS16550
> + select SYS_SUPPORTS_BIG_ENDIAN
> +
> +endchoice
> +
> #
> # Endianess selection. Sufficiently obscure so many users don't know what to
> # answer,so we try hard to limit the available choices. Also the use of a
> @@ -46,6 +57,8 @@ config CPU_LITTLE_ENDIAN
>
> endchoice
>
> +source arch/mips/mach-mti-malta/Kconfig
> +
> source common/Kconfig
> source commands/Kconfig
> source net/Kconfig
> diff --git a/arch/mips/Makefile b/arch/mips/Makefile
> index f7d4f32..117c4ae 100644
> --- a/arch/mips/Makefile
> +++ b/arch/mips/Makefile
> @@ -27,6 +27,8 @@ CPPFLAGS += -fdata-sections -ffunction-sections
> LDFLAGS_uboot += -static --gc-sections
> endif
>
> +machine-$(CONFIG_MACH_MIPS_MALTA) := mti-malta
> +
> machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
>
> ifeq ($(KBUILD_SRC),)
> diff --git a/arch/mips/mach-mti-malta/Kconfig b/arch/mips/mach-mti-malta/Kconfig
> new file mode 100644
> index 0000000..c243513
> --- /dev/null
> +++ b/arch/mips/mach-mti-malta/Kconfig
> @@ -0,0 +1,20 @@
> +if MACH_MIPS_MALTA
> +
> +config ARCH_TEXT_BASE
> + hex
> + default 0xa0800000
> +
> +menu "Mach specific settings "
> +
> +config DEBUG_LL
> + bool "DEBUG_LL"
> + default n
no need it's n by default
> +
> +endmenu
> +
> +choice
> + prompt "Select your board"
> +
> +endchoice
> +
> +endif
> diff --git a/arch/mips/mach-mti-malta/Makefile b/arch/mips/mach-mti-malta/Makefile
> new file mode 100644
> index 0000000..f3cc668
> --- /dev/null
> +++ b/arch/mips/mach-mti-malta/Makefile
> @@ -0,0 +1 @@
> +obj-y += reset.o
> diff --git a/arch/mips/mach-mti-malta/include/mach/hardware.h b/arch/mips/mach-mti-malta/include/mach/hardware.h
> new file mode 100644
> index 0000000..f476355
> --- /dev/null
> +++ b/arch/mips/mach-mti-malta/include/mach/hardware.h
> @@ -0,0 +1,32 @@
> +/*
> + * Copyright (c) 2011 Antony Pavlov <antonynpavlov@gmail.com>
> + * See file CREDITS for list of people who contributed to this project.
> + *
> + * This file is part of barebox.
> + *
> + * barebox is free software: you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation, either version 3 of the License, or
> + * (at your option) any later version.
> + *
> + * barebox is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with barebox. If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#ifndef __INCLUDE_ARCH_HARDWARE_H__
> +#define __INCLUDE_ARCH_HARDWARE_H__
> +
> +#define DEBUG_LL_UART_ADDR 0xb00003f8
> +
> +/*
> + * Reset register.
> + */
> +#define SOFTRES_REG 0xbf000500
> +#define GORESET 0x42
whitespace please check
> +
> +#endif /* __INCLUDE_ARCH_HARDWARE_H__ */
> diff --git a/arch/mips/mach-mti-malta/reset.c b/arch/mips/mach-mti-malta/reset.c
> new file mode 100644
> index 0000000..46c102f
> --- /dev/null
> +++ b/arch/mips/mach-mti-malta/reset.c
> @@ -0,0 +1,36 @@
> +/*
> + * Copyright (C) 2011 Antony Pavlov <antonynpavlov@gmail.com>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + *
> + */
> +
> +/**
> + * @file
> + * @brief Resetting an CPU
> + */
> +
> +#include <common.h>
> +#include <asm/io.h>
> +#include <mach/hardware.h>
> +
> +void __noreturn mips_machine_restart()
> +{
> + __raw_writel(GORESET, (char *)SOFTRES_REG);
> + while (1);
> + /*NOTREACHED*/
> +}
> +EXPORT_SYMBOL(mips_machine_restart);
declare the reset here directly
Best Regards,
J.
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next prev parent reply other threads:[~2011-06-30 3:18 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-29 3:24 [PATCH 1/4] Add MIPS arch " Antony Pavlov
2011-06-29 3:24 ` [PATCH 2/4] MIPS: add Malta machine " Antony Pavlov
2011-06-30 3:02 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2011-07-02 14:41 ` Shinya Kuribayashi
2011-07-02 16:45 ` Jean-Christophe PLAGNIOL-VILLARD
2011-07-03 20:44 ` Antony Pavlov
2011-07-04 5:11 ` Jean-Christophe PLAGNIOL-VILLARD
2011-07-04 8:54 ` Antony Pavlov
2011-07-04 8:52 ` Jean-Christophe PLAGNIOL-VILLARD
2011-07-03 20:50 ` Antony Pavlov
2011-06-29 3:24 ` [PATCH 3/4] MIPS: add qemu malta board " Antony Pavlov
2011-06-30 2:58 ` Jean-Christophe PLAGNIOL-VILLARD
2011-06-30 9:12 ` Antony Pavlov
2011-06-30 9:38 ` Jean-Christophe PLAGNIOL-VILLARD
2011-06-30 10:34 ` Antony Pavlov
2011-06-29 3:24 ` [PATCH 4/4] MISP: add documentation template Antony Pavlov
2011-06-29 5:40 ` [PATCH 1/4] Add MIPS arch support to barebox Jean-Christophe PLAGNIOL-VILLARD
2011-06-29 7:53 ` Antony Pavlov
2011-06-30 2:52 ` Jean-Christophe PLAGNIOL-VILLARD
2011-06-30 7:12 ` Franck JULLIEN
2011-06-30 9:18 ` Jean-Christophe PLAGNIOL-VILLARD
2011-06-30 9:13 ` Antony Pavlov
2011-07-02 13:47 ` Shinya Kuribayashi
2011-07-02 16:46 ` Jean-Christophe PLAGNIOL-VILLARD
2011-07-03 20:40 ` Antony Pavlov
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