Remove the arm26 port

The arm26 port has been in a state where it was far from even compiling
for quite some time.

Ian Molton agreed with the removal.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Ian Molton <spyro@f2s.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 0 insertions, 458 deletions

diff --git a/arch/arm26/machine/Makefile b/arch/arm26/machine/Makefile
deleted file mode 100644
index 86ea97cc07fc..000000000000
--- a/arch/arm26/machine/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for the linux kernel.
-#
-
-# Object file lists.
-
-obj-y			:= dma.o irq.o latches.o
-
diff --git a/arch/arm26/machine/dma.c b/arch/arm26/machine/dma.c
deleted file mode 100644
index 4402a5a1b78f..000000000000
--- a/arch/arm26/machine/dma.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- *  linux/arch/arm26/kernel/dma.c
- *
- *  Copyright (C) 1998-1999 Dave Gilbert / Russell King
- *  Copyright (C) 2003 Ian Molton
- *
- * 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.
- *
- *  DMA functions specific to Archimedes and A5000 architecture
- */
-#include <linux/sched.h>
-#include <linux/init.h>
-
-#include <asm/dma.h>
-#include <asm/fiq.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/hardware.h>
-#include <asm/mach-types.h>
-
-#define DPRINTK(x...) printk(KERN_DEBUG x)
-
-#if defined(CONFIG_BLK_DEV_FD1772) || defined(CONFIG_BLK_DEV_FD1772_MODULE)
-
-extern unsigned char fdc1772_dma_read, fdc1772_dma_read_end;
-extern unsigned char fdc1772_dma_write, fdc1772_dma_write_end;
-extern void fdc1772_setupdma(unsigned int count,unsigned int addr);
-
-static void arc_floppy_data_enable_dma(dmach_t channel, dma_t *dma)
-{
-	DPRINTK("arc_floppy_data_enable_dma\n");
-
-	if (dma->using_sg)
-		BUG();
-
-	switch (dma->dma_mode) {
-	case DMA_MODE_READ: { /* read */
-		unsigned long flags;
-		DPRINTK("enable_dma fdc1772 data read\n");
-		local_save_flags_cli(flags);
-		clf();
-			
-		memcpy ((void *)0x1c, (void *)&fdc1772_dma_read,
-			&fdc1772_dma_read_end - &fdc1772_dma_read);
-		fdc1772_setupdma(dma->buf.length, dma->buf.__address); /* Sets data pointer up */
-		enable_fiq(FIQ_FLOPPYDATA);
-		local_irq_restore(flags);
-	   }
-	   break;
-
-	case DMA_MODE_WRITE: { /* write */
-		unsigned long flags;
-		DPRINTK("enable_dma fdc1772 data write\n");
-		local_save_flags_cli(flags);
-		clf();
-		memcpy ((void *)0x1c, (void *)&fdc1772_dma_write,
-			&fdc1772_dma_write_end - &fdc1772_dma_write);
-		fdc1772_setupdma(dma->buf.length, dma->buf.__address); /* Sets data pointer up */
-		enable_fiq(FIQ_FLOPPYDATA);
-
-		local_irq_restore(flags);
-	    }
-	    break;
-	default:
-		printk ("enable_dma: dma%d not initialised\n", channel);
-	}
-}
-
-static int arc_floppy_data_get_dma_residue(dmach_t channel, dma_t *dma)
-{
-	extern unsigned int fdc1772_bytestogo;
-
-	/* 10/1/1999 DAG - I presume its the number of bytes left? */
-	return fdc1772_bytestogo;
-}
-
-static void arc_floppy_cmdend_enable_dma(dmach_t channel, dma_t *dma)
-{
-	/* Need to build a branch at the FIQ address */
-	extern void fdc1772_comendhandler(void);
-	unsigned long flags;
-
-	DPRINTK("arc_floppy_cmdend_enable_dma\n");
-	/*printk("enable_dma fdc1772 command end FIQ\n");*/
-	save_flags(flags);
-	clf();
-	
-	/* B fdc1772_comendhandler */
-	*((unsigned int *)0x1c)=0xea000000 |
-			(((unsigned int)fdc1772_comendhandler-(0x1c+8))/4);
-
-	local_irq_restore(flags);
-}
-
-static int arc_floppy_cmdend_get_dma_residue(dmach_t channel, dma_t *dma)
-{
-	/* 10/1/1999 DAG - Presume whether there is an outstanding command? */
-	extern unsigned int fdc1772_fdc_int_done;
-
-	/* Explicit! If the int done is 0 then 1 int to go */
-	return (fdc1772_fdc_int_done==0)?1:0;
-}
-
-static void arc_disable_dma(dmach_t channel, dma_t *dma)
-{
-	disable_fiq(dma->dma_irq);
-}
-
-static struct dma_ops arc_floppy_data_dma_ops = {
-	.type		= "FIQDMA",
-	.enable		= arc_floppy_data_enable_dma,
-	.disable	= arc_disable_dma,
-	.residue	= arc_floppy_data_get_dma_residue,
-};
-
-static struct dma_ops arc_floppy_cmdend_dma_ops = {
-	.type		= "FIQCMD",
-	.enable		= arc_floppy_cmdend_enable_dma,
-	.disable	= arc_disable_dma,
-	.residue	= arc_floppy_cmdend_get_dma_residue,
-};
-#endif
-
-#ifdef CONFIG_ARCH_A5K
-static struct fiq_handler fh = {
-	.name	= "floppydata"
-};
-
-static int a5k_floppy_get_dma_residue(dmach_t channel, dma_t *dma)
-{
-	struct pt_regs regs;
-	get_fiq_regs(&regs);
-	return regs.ARM_r9;
-}
-
-static void a5k_floppy_enable_dma(dmach_t channel, dma_t *dma)
-{
-	struct pt_regs regs;
-	void *fiqhandler_start;
-	unsigned int fiqhandler_length;
-	extern void floppy_fiqsetup(unsigned long len, unsigned long addr,
-				     unsigned long port);
-
-	if (dma->using_sg)
-		BUG();
-
-	if (dma->dma_mode == DMA_MODE_READ) {
-		extern unsigned char floppy_fiqin_start, floppy_fiqin_end;
-		fiqhandler_start = &floppy_fiqin_start;
-		fiqhandler_length = &floppy_fiqin_end - &floppy_fiqin_start;
-	} else {
-		extern unsigned char floppy_fiqout_start, floppy_fiqout_end;
-		fiqhandler_start = &floppy_fiqout_start;
-		fiqhandler_length = &floppy_fiqout_end - &floppy_fiqout_start;
-	}
-	if (claim_fiq(&fh)) {
-		printk("floppydma: couldn't claim FIQ.\n");
-		return;
-	}
-	memcpy((void *)0x1c, fiqhandler_start, fiqhandler_length);
-	regs.ARM_r9 = dma->buf.length;
-	regs.ARM_r10 = (unsigned long)dma->buf.__address;
-	regs.ARM_fp = FLOPPYDMA_BASE;
-	set_fiq_regs(&regs);
-	enable_fiq(dma->dma_irq);
-}
-
-static void a5k_floppy_disable_dma(dmach_t channel, dma_t *dma)
-{
-	disable_fiq(dma->dma_irq);
-	release_fiq(&fh);
-}
-
-static struct dma_ops a5k_floppy_dma_ops = {
-	.type		= "FIQDMA",
-	.enable		= a5k_floppy_enable_dma,
-	.disable	= a5k_floppy_disable_dma,
-	.residue	= a5k_floppy_get_dma_residue,
-};
-#endif
-
-/*
- * This is virtual DMA - we don't need anything here
- */
-static void sound_enable_disable_dma(dmach_t channel, dma_t *dma)
-{
-}
-
-static struct dma_ops sound_dma_ops = {
-	.type		= "VIRTUAL",
-	.enable		= sound_enable_disable_dma,
-	.disable	= sound_enable_disable_dma,
-};
-
-void __init arch_dma_init(dma_t *dma)
-{
-#if defined(CONFIG_BLK_DEV_FD1772) || defined(CONFIG_BLK_DEV_FD1772_MODULE)
-	if (machine_is_archimedes()) {
-		dma[DMA_VIRTUAL_FLOPPY0].dma_irq = FIQ_FLOPPYDATA;
-		dma[DMA_VIRTUAL_FLOPPY0].d_ops   = &arc_floppy_data_dma_ops;
-		dma[DMA_VIRTUAL_FLOPPY1].dma_irq = 1;
-		dma[DMA_VIRTUAL_FLOPPY1].d_ops   = &arc_floppy_cmdend_dma_ops;
-	}
-#endif
-#ifdef CONFIG_ARCH_A5K
-	if (machine_is_a5k()) {
-		dma[DMA_VIRTUAL_FLOPPY0].dma_irq = FIQ_FLOPPYDATA;
-		dma[DMA_VIRTUAL_FLOPPY0].d_ops   = &a5k_floppy_dma_ops;
-	}
-#endif
-	dma[DMA_VIRTUAL_SOUND].d_ops = &sound_dma_ops;
-}
diff --git a/arch/arm26/machine/irq.c b/arch/arm26/machine/irq.c
deleted file mode 100644
index a60d543edecc..000000000000
--- a/arch/arm26/machine/irq.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- *  linux/arch/arm26/mach-arc/irq.c
- *
- *  Copyright (C) 1996 Russell King
- *
- * 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:
- *   24-09-1996	RMK	Created
- *   10-10-1996	RMK	Brought up to date with arch-sa110eval
- *   22-10-1996	RMK	Changed interrupt numbers & uses new inb/outb macros
- *   11-01-1998	RMK	Added mask_and_ack_irq
- *   22-08-1998	RMK	Restructured IRQ routines
- *   08-09-2002 IM	Brought up to date for 2.5
- *   01-06-2003 JMA     Removed arc_fiq_chip
- */
-#include <linux/init.h>
-
-#include <asm/irq.h>
-#include <asm/irqchip.h>
-#include <asm/ioc.h>
-#include <asm/io.h>
-#include <asm/system.h>
-
-extern void init_FIQ(void);
-
-#define a_clf()	clf()
-#define a_stf()	stf()
-
-static void arc_ack_irq_a(unsigned int irq)
-{
-	unsigned int val, mask;
-
-	mask = 1 << irq;
-	a_clf();
-	val = ioc_readb(IOC_IRQMASKA);
-	ioc_writeb(val & ~mask, IOC_IRQMASKA);
-	ioc_writeb(mask, IOC_IRQCLRA);
-	a_stf();
-}
-
-static void arc_mask_irq_a(unsigned int irq)
-{
-	unsigned int val, mask;
-
-	mask = 1 << irq;
-	a_clf();
-	val = ioc_readb(IOC_IRQMASKA);
-	ioc_writeb(val & ~mask, IOC_IRQMASKA);
-	a_stf();
-}
-
-static void arc_unmask_irq_a(unsigned int irq)
-{
-	unsigned int val, mask;
-
-	mask = 1 << irq;
-	a_clf();
-	val = ioc_readb(IOC_IRQMASKA);
-	ioc_writeb(val | mask, IOC_IRQMASKA);
-	a_stf();
-}
-
-static struct irqchip arc_a_chip = {
-        .ack    = arc_ack_irq_a,
-        .mask   = arc_mask_irq_a,
-        .unmask = arc_unmask_irq_a,
-};
-
-static void arc_mask_irq_b(unsigned int irq)
-{
-	unsigned int val, mask;
-	mask = 1 << (irq & 7);
-	val = ioc_readb(IOC_IRQMASKB);
-	ioc_writeb(val & ~mask, IOC_IRQMASKB);
-}
-
-static void arc_unmask_irq_b(unsigned int irq)
-{
-	unsigned int val, mask;
-
-	mask = 1 << (irq & 7);
-	val = ioc_readb(IOC_IRQMASKB);
-	ioc_writeb(val | mask, IOC_IRQMASKB);
-}
-
-static struct irqchip arc_b_chip = {
-        .ack    = arc_mask_irq_b,
-        .mask   = arc_mask_irq_b,
-        .unmask = arc_unmask_irq_b,
-};
-
-/* FIXME - JMA none of these functions are used in arm26 currently
-static void arc_mask_irq_fiq(unsigned int irq)
-{
-	unsigned int val, mask;
-
-	mask = 1 << (irq & 7);
-	val = ioc_readb(IOC_FIQMASK);
-	ioc_writeb(val & ~mask, IOC_FIQMASK);
-}
-
-static void arc_unmask_irq_fiq(unsigned int irq)
-{
-	unsigned int val, mask;
-
-	mask = 1 << (irq & 7);
-	val = ioc_readb(IOC_FIQMASK);
-	ioc_writeb(val | mask, IOC_FIQMASK);
-}
-
-static struct irqchip arc_fiq_chip = {
-        .ack    = arc_mask_irq_fiq,
-        .mask   = arc_mask_irq_fiq,
-        .unmask = arc_unmask_irq_fiq,
-};
-*/
-
-void __init arc_init_irq(void)
-{
-	unsigned int irq, flags;
-
-	/* Disable all IOC interrupt sources */
-	ioc_writeb(0, IOC_IRQMASKA);
-	ioc_writeb(0, IOC_IRQMASKB);
-	ioc_writeb(0, IOC_FIQMASK);
-
-	for (irq = 0; irq < NR_IRQS; irq++) {
-		flags = IRQF_VALID;
-		
-		if (irq <= 6 || (irq >= 9 && irq <= 15))
-                        flags |= IRQF_PROBE;
-	
-		if (irq == IRQ_KEYBOARDTX)
-                        flags |= IRQF_NOAUTOEN;	
-		
-		switch (irq) {
-		case 0 ... 7:
-			set_irq_chip(irq, &arc_a_chip);
-                        set_irq_handler(irq, do_level_IRQ);
-                        set_irq_flags(irq, flags);
-			break;
-
-		case 8 ... 15:
-			set_irq_chip(irq, &arc_b_chip);
-                        set_irq_handler(irq, do_level_IRQ);
-                        set_irq_flags(irq, flags);
-
-/*		case 64 ... 72:
-			set_irq_chip(irq, &arc_fiq_chip);
-                        set_irq_flags(irq, flags);
-			break;
-*/
-
-		}
-	}
-
-	irq_desc[IRQ_KEYBOARDTX].noautoenable = 1;
-
-	init_FIQ();
-}
-
diff --git a/arch/arm26/machine/latches.c b/arch/arm26/machine/latches.c
deleted file mode 100644
index 94f05d2a3b2b..000000000000
--- a/arch/arm26/machine/latches.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- *  linux/arch/arm26/kernel/latches.c
- *
- *  Copyright (C) David Alan Gilbert 1995/1996,2000
- *  Copyright (C) Ian Molton 2003
- *
- * 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.
- *
- *  Support for the latches on the old Archimedes which control the floppy,
- *  hard disc and printer
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-
-#include <asm/io.h>
-#include <asm/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/oldlatches.h>
-
-static unsigned char latch_a_copy;
-static unsigned char latch_b_copy;
-
-/* newval=(oldval & ~mask)|newdata */
-void oldlatch_aupdate(unsigned char mask,unsigned char newdata)
-{
-	unsigned long flags;
-
-	BUG_ON(!machine_is_archimedes());
-
-	local_irq_save(flags); //FIXME: was local_save_flags
-	latch_a_copy = (latch_a_copy & ~mask) | newdata;
-	__raw_writeb(latch_a_copy, LATCHA_BASE);
-	local_irq_restore(flags);
-
-	printk("Latch: A = 0x%02x\n", latch_a_copy);
-}
-
-
-/* newval=(oldval & ~mask)|newdata */
-void oldlatch_bupdate(unsigned char mask,unsigned char newdata)
-{
-	unsigned long flags;
-
-	BUG_ON(!machine_is_archimedes());
-
-
-	local_irq_save(flags);//FIXME: was local_save_flags
-	latch_b_copy = (latch_b_copy & ~mask) | newdata;
-	__raw_writeb(latch_b_copy, LATCHB_BASE);
-	local_irq_restore(flags);
-
-	printk("Latch: B = 0x%02x\n", latch_b_copy);
-}
-
-static int __init oldlatch_init(void)
-{
-	if (machine_is_archimedes()) {
-		oldlatch_aupdate(0xff, 0xff);
-		/* Thats no FDC reset...*/
-		oldlatch_bupdate(0xff, LATCHB_FDCRESET);
-	}
-	return 0;
-}
-
-arch_initcall(oldlatch_init);
-
-EXPORT_SYMBOL(oldlatch_aupdate);
-EXPORT_SYMBOL(oldlatch_bupdate);