[LV-kern-commit] CVS: kernel-2.4/arch/arm/mach-anakin Makefile,NONE,1.1 arch.c,NONE,1.1 irq.c,NONE,1.1 mm.c,NONE,1.1

[Andy P. <at...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/arch/arm/mach-anakin
In directory usw-pr-cvs1:/tmp/cvs-serv24336/arm/mach-anakin

Added Files:
	Makefile arch.c irq.c mm.c 
Log Message:
synch 2.4.15 commit 32


--- NEW FILE ---
#
# Makefile for the linux kernel.
#
# Note! Dependencies are done automagically by 'make dep', which also
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (ie not a .c file).

USE_STANDARD_AS_RULE := true

O_TARGET		:= anakin.o

# Object file lists.

obj-y			:= arch.o irq.o mm.o
obj-m			:=
obj-n			:=
obj-			:=

export-objs		:= 

include $(TOPDIR)/Rules.make

--- NEW FILE ---
/*
 *  linux/arch/arm/mach-anakin/arch.c
 *
 *  Copyright (C) 2001 Aleph One Ltd. for Acunia N.V.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *  Changelog:
 *   09-Apr-2001 W/TTC	Created
 */

#include <linux/config.h>
#include <linux/tty.h>
#include <linux/init.h>

#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#ifndef CONFIG_BLK_DEV_RAM_SIZE
#define CONFIG_BLK_DEV_RAM_SIZE	4096
#endif

extern void anakin_map_io(void);
extern void genarch_init_irq(void);

static void __init
fixup_anakin(struct machine_desc *desc, struct param_struct *unused,
             char **cmdline, struct meminfo *mi)
{
	ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
	setup_ramdisk(1, 0, 0, CONFIG_BLK_DEV_RAM_SIZE);
	setup_initrd(0xc0800000, 4 * 1024 * 1024);
}


MACHINE_START(ANAKIN, "Anakin")
	MAINTAINER("Wookey/Tak-Shing Chan")
	BOOT_MEM(0x20000000, 0x40000000, 0xe0000000)
	VIDEO(0x80000000, 0x8002db40)
	FIXUP(fixup_anakin)
	MAPIO(anakin_map_io)
	INITIRQ(genarch_init_irq)
MACHINE_END

--- NEW FILE ---
/*
 *  linux/arch/arm/mach-anakin/irq.c
 *
 *  Copyright (C) 2001 Aleph One Ltd. for Acunia N.V.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *  Changelog:
 *   10-Apr-2001 TTC	Created
 */

#include <linux/ptrace.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/init.h>

#include <asm/irq.h>
#include <asm/mach/irq.h>

extern unsigned int anakin_irq_mask, anakin_active_irqs;
extern void do_IRQ(int, struct pt_regs *);

static void
anakin_mask_irq(unsigned int irq)
{
	anakin_irq_mask &= ~(1 << irq);
}

static void
anakin_unmask_irq(unsigned int irq)
{
	anakin_irq_mask |= (1 << irq);
}

/*
 * This is a faked interrupt to deal with parallel interrupt requests
 * on the Anakin.  Make sure that its interrupt number is not in any
 * way conflicting with the hardware interrupt numbers!  Check
 * IRQ_ANAKIN in linux/include/asm-arm/arch-anakin/irqs.h.
 */
static void
anakin_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
	for (irq = 0; irq < NR_IRQS; irq++)
		if (anakin_active_irqs & (1 << irq))
			do_IRQ(irq, regs);
}

static struct irqaction anakin_irq = {
	name:		"Anakin IRQ",
	handler:	anakin_interrupt,
	flags:		SA_INTERRUPT
};
 
void __init
irq_init_irq(void)
{
	unsigned int irq;

	for (irq = 0; irq < NR_IRQS; irq++) {
		switch (irq) {
		case IRQ_UART0:
		case IRQ_UART1:
		case IRQ_UART2:
		case IRQ_TICK:
		case IRQ_CODEC:
		case IRQ_UART4:
		case IRQ_TOUCHSCREEN:
		case IRQ_UART3:
		case IRQ_FIFO:
		case IRQ_CAN:
		case IRQ_COMPACTFLASH:
		case IRQ_BOSH:
		case IRQ_ANAKIN:
			irq_desc[irq].valid = 1;
			irq_desc[irq].mask_ack = anakin_mask_irq;
			irq_desc[irq].mask = anakin_mask_irq;
			irq_desc[irq].unmask = anakin_unmask_irq;
		}
	}
	setup_arm_irq(IRQ_ANAKIN, &anakin_irq);
}

--- NEW FILE ---
/*
 *  linux/arch/arm/mach-anakin/mm.c
 *
 *  Copyright (C) 2001 Aleph One Ltd. for Acunia N.V.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *  Changelog:
 *   09-Apr-2001 W/TTC	Created
 */

#include <linux/mm.h>
#include <linux/init.h>

#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/mach/map.h>

static struct map_desc anakin_io_desc[] __initdata = {
	{ IO_BASE,    IO_START,    IO_SIZE,    DOMAIN_IO, 0, 1, 0, 0 },
	{ FLASH_BASE, FLASH_START, FLASH_SIZE, DOMAIN_IO, 1, 1, 0, 0 },
	{ VGA_BASE,   VGA_START,   VGA_SIZE,   DOMAIN_IO, 0, 1, 0, 0 },
	LAST_DESC
};

void __init
anakin_map_io(void)
{
	iotable_init(anakin_io_desc);
}