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Commit 42d226c7 authored by Songmao Tian's avatar Songmao Tian Committed by Ralf Baechle
Browse files

[MIPS] New files for lemote fulong mini-PC support 



Signed-off-by: default avatarFuxin Zhang <zhangfx@lemote.com>
Signed-off-by: default avatarSongmao Tian <tiansm@lemote.com>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 2a21c730

arch/mips/Kconfig

+23 −0
Original line number Diff line number Diff line
@@ -15,6 +15,29 @@ choice 
	prompt "System type"

	default SGI_IP22



config LEMOTE_FULONG

	bool "Lemote Fulong mini-PC"

	select ARCH_SPARSEMEM_ENABLE

	select SYS_HAS_CPU_LOONGSON2

	select DMA_NONCOHERENT

	select BOOT_ELF32

	select BOARD_SCACHE

	select HAVE_STD_PC_SERIAL_PORT

	select HW_HAS_PCI

	select I8259

	select ISA

	select IRQ_CPU

	select SYS_SUPPORTS_32BIT_KERNEL

	select SYS_SUPPORTS_64BIT_KERNEL

	select SYS_SUPPORTS_LITTLE_ENDIAN

	select SYS_SUPPORTS_HIGHMEM

	select SYS_HAS_EARLY_PRINTK

	select GENERIC_HARDIRQS_NO__DO_IRQ

	select CPU_HAS_WB

	help

	  Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and

	  an FPGA northbridge



config MACH_ALCHEMY

	bool "Alchemy processor based machines"

arch/mips/Makefile

+7 −0
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@@ -290,6 +290,13 @@ core-$(CONFIG_WR_PPMC) += arch/mips/gt64120/wrppmc/ 
cflags-$(CONFIG_WR_PPMC)		+= -Iinclude/asm-mips/mach-wrppmc

load-$(CONFIG_WR_PPMC)		+= 0xffffffff80100000



#

# lemote fulong mini-PC board

#

core-$(CONFIG_LEMOTE_FULONG) +=arch/mips/lemote/lm2e/

load-$(CONFIG_LEMOTE_FULONG) +=0xffffffff80100000

cflags-$(CONFIG_LEMOTE_FULONG) += -Iinclude/asm-mips/mach-lemote



#

# For all MIPS, Inc. eval boards

#

arch/mips/configs/fulong_defconfig

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+1767 −0

File added.

Preview size limit exceeded, changes collapsed.

arch/mips/lemote/lm2e/Makefile

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+7 −0
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#

# Makefile for Lemote Fulong mini-PC board.

#



obj-y += setup.o prom.o reset.o irq.o pci.o bonito-irq.o dbg_io.o mem.o

EXTRA_AFLAGS := $(CFLAGS)

arch/mips/lemote/lm2e/bonito-irq.c

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+74 −0
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/*

 * Copyright 2001 MontaVista Software Inc.

 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net

 * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)

 *

 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology

 * Author: Fuxin Zhang, zhangfx@lemote.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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED

 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF

 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN

 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,

 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF

 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON

 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT

 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 *  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.,

 *  675 Mass Ave, Cambridge, MA 02139, USA.

 *

 */

#include <linux/errno.h>

#include <linux/init.h>

#include <linux/io.h>

#include <linux/types.h>

#include <linux/interrupt.h>

#include <linux/irq.h>



#include <asm/mips-boards/bonito64.h>





static inline void bonito_irq_enable(unsigned int irq)

{

	BONITO_INTENSET = (1 << (irq - BONITO_IRQ_BASE));

	mmiowb();

}



static inline void bonito_irq_disable(unsigned int irq)

{

	BONITO_INTENCLR = (1 << (irq - BONITO_IRQ_BASE));

	mmiowb();

}



static struct irq_chip bonito_irq_type = {

	.name	= "bonito_irq",

	.ack	= bonito_irq_disable,

	.mask	= bonito_irq_disable,

	.mask_ack = bonito_irq_disable,

	.unmask	= bonito_irq_enable,

};



static struct irqaction dma_timeout_irqaction = {

	.handler	= no_action,

	.name		= "dma_timeout",

};



void bonito_irq_init(void)

{

	u32 i;



	for (i = BONITO_IRQ_BASE; i < BONITO_IRQ_BASE + 32; i++) {

		set_irq_chip_and_handler(i, &bonito_irq_type, handle_level_irq);

	}



	setup_irq(BONITO_IRQ_BASE + 10, &dma_timeout_irqaction);

}