From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-bw0-f49.google.com ([209.85.214.49]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QblON-0001z7-79 for barebox@lists.infradead.org; Wed, 29 Jun 2011 03:24:44 +0000 Received: by bwf12 with SMTP id 12so972796bwf.36 for ; Tue, 28 Jun 2011 20:24:40 -0700 (PDT) From: Antony Pavlov Date: Wed, 29 Jun 2011 07:24:16 +0400 Message-Id: <1309317858-11861-2-git-send-email-antonynpavlov@gmail.com> In-Reply-To: <1309317858-11861-1-git-send-email-antonynpavlov@gmail.com> References: <1309317858-11861-1-git-send-email-antonynpavlov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/4] MIPS: add Malta machine support to barebox To: barebox@lists.infradead.org The machines use big-endian mode. Only supported peripheral is serial port. Signed-off-by: Antony Pavlov --- 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 + +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 + * 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 . + */ + +#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 + +#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 + * + * 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 +#include +#include + +void __noreturn mips_machine_restart() +{ + __raw_writel(GORESET, (char *)SOFTRES_REG); + while (1); + /*NOTREACHED*/ +} +EXPORT_SYMBOL(mips_machine_restart); -- 1.7.5.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox