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>

1 files changed, 0 insertions, 183 deletions

diff --git a/include/asm-arm26/dma.h b/include/asm-arm26/dma.h
deleted file mode 100644
index 4326ba85eb7..00000000000
--- a/include/asm-arm26/dma.h
+++ /dev/null
@@ -1,183 +0,0 @@
-#ifndef __ASM_ARM_DMA_H
-#define __ASM_ARM_DMA_H
-
-typedef unsigned int dmach_t;
-
-#include <linux/spinlock.h>
-#include <asm/system.h>
-#include <asm/memory.h>
-#include <asm/scatterlist.h>
-
-// FIXME - do we really need this? arm26 cant do 'proper' DMA
-
-typedef struct dma_struct dma_t;
-typedef unsigned int dmamode_t;
-
-struct dma_ops {
-        int     (*request)(dmach_t, dma_t *);           /* optional */
-        void    (*free)(dmach_t, dma_t *);              /* optional */
-        void    (*enable)(dmach_t, dma_t *);            /* mandatory */
-        void    (*disable)(dmach_t, dma_t *);           /* mandatory */
-        int     (*residue)(dmach_t, dma_t *);           /* optional */
-        int     (*setspeed)(dmach_t, dma_t *, int);     /* optional */
-        char    *type;
-};
-
-struct dma_struct {
-        struct scatterlist buf;         /* single DMA                   */
-        int             sgcount;        /* number of DMA SG             */
-        struct scatterlist *sg;         /* DMA Scatter-Gather List      */
-
-        unsigned int    active:1;       /* Transfer active              */
-        unsigned int    invalid:1;      /* Address/Count changed        */
-        unsigned int    using_sg:1;     /* using scatter list?          */
-        dmamode_t       dma_mode;       /* DMA mode                     */
-        int             speed;          /* DMA speed                    */
-
-        unsigned int    lock;           /* Device is allocated          */
-        const char      *device_id;     /* Device name                  */
-
-        unsigned int    dma_base;       /* Controller base address      */
-        int             dma_irq;        /* Controller IRQ               */
-        int             state;          /* Controller state             */
-        struct scatterlist cur_sg;      /* Current controller buffer    */
-
-        struct dma_ops  *d_ops;
-};
-
-/* Prototype: void arch_dma_init(dma)
- * Purpose  : Initialise architecture specific DMA
- * Params   : dma - pointer to array of DMA structures
- */
-extern void arch_dma_init(dma_t *dma);
-
-extern void isa_init_dma(dma_t *dma);
-
-
-#define MAX_DMA_ADDRESS         0x03000000
-#define MAX_DMA_CHANNELS        3
-
-/* ARC */
-#define DMA_VIRTUAL_FLOPPY0     0
-#define DMA_VIRTUAL_FLOPPY1     1
-#define DMA_VIRTUAL_SOUND       2
-
-/* A5K */
-#define DMA_FLOPPY              0
-
-/*
- * DMA modes
- */
-#define DMA_MODE_MASK	3
-
-#define DMA_MODE_READ	 0
-#define DMA_MODE_WRITE	 1
-#define DMA_MODE_CASCADE 2
-#define DMA_AUTOINIT	 4
-
-extern spinlock_t  dma_spin_lock;
-
-static inline unsigned long claim_dma_lock(void)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&dma_spin_lock, flags);
-	return flags;
-}
-
-static inline void release_dma_lock(unsigned long flags)
-{
-	spin_unlock_irqrestore(&dma_spin_lock, flags);
-}
-
-/* Clear the 'DMA Pointer Flip Flop'.
- * Write 0 for LSB/MSB, 1 for MSB/LSB access.
- */
-#define clear_dma_ff(channel)
-
-/* Set only the page register bits of the transfer address.
- *
- * NOTE: This is an architecture specific function, and should
- *       be hidden from the drivers
- */
-extern void set_dma_page(dmach_t channel, char pagenr);
-
-/* Request a DMA channel
- *
- * Some architectures may need to do allocate an interrupt
- */
-extern int  request_dma(dmach_t channel, const char * device_id);
-
-/* Free a DMA channel
- *
- * Some architectures may need to do free an interrupt
- */
-extern void free_dma(dmach_t channel);
-
-/* Enable DMA for this channel
- *
- * On some architectures, this may have other side effects like
- * enabling an interrupt and setting the DMA registers.
- */
-extern void enable_dma(dmach_t channel);
-
-/* Disable DMA for this channel
- *
- * On some architectures, this may have other side effects like
- * disabling an interrupt or whatever.
- */
-extern void disable_dma(dmach_t channel);
-
-/* Test whether the specified channel has an active DMA transfer
- */
-extern int dma_channel_active(dmach_t channel);
-
-/* Set the DMA scatter gather list for this channel
- *
- * This should not be called if a DMA channel is enabled,
- * especially since some DMA architectures don't update the
- * DMA address immediately, but defer it to the enable_dma().
- */
-extern void set_dma_sg(dmach_t channel, struct scatterlist *sg, int nr_sg);
-
-/* Set the DMA address for this channel
- *
- * This should not be called if a DMA channel is enabled,
- * especially since some DMA architectures don't update the
- * DMA address immediately, but defer it to the enable_dma().
- */
-extern void set_dma_addr(dmach_t channel, unsigned long physaddr);
-
-/* Set the DMA byte count for this channel
- *
- * This should not be called if a DMA channel is enabled,
- * especially since some DMA architectures don't update the
- * DMA count immediately, but defer it to the enable_dma().
- */
-extern void set_dma_count(dmach_t channel, unsigned long count);
-
-/* Set the transfer direction for this channel
- *
- * This should not be called if a DMA channel is enabled,
- * especially since some DMA architectures don't update the
- * DMA transfer direction immediately, but defer it to the
- * enable_dma().
- */
-extern void set_dma_mode(dmach_t channel, dmamode_t mode);
-
-/* Set the transfer speed for this channel
- */
-extern void set_dma_speed(dmach_t channel, int cycle_ns);
-
-/* Get DMA residue count. After a DMA transfer, this
- * should return zero. Reading this while a DMA transfer is
- * still in progress will return unpredictable results.
- * If called before the channel has been used, it may return 1.
- * Otherwise, it returns the number of _bytes_ left to transfer.
- */
-extern int  get_dma_residue(dmach_t channel);
-
-#ifndef NO_DMA
-#define NO_DMA	255
-#endif
-
-#endif /* _ARM_DMA_H */