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Diffstat (limited to 'arch/sh/cchips/voyagergx/consistent.c')
-rw-r--r--arch/sh/cchips/voyagergx/consistent.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/sh/cchips/voyagergx/consistent.c b/arch/sh/cchips/voyagergx/consistent.c
deleted file mode 100644
index 07e8b9c5a53..00000000000
--- a/arch/sh/cchips/voyagergx/consistent.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * arch/sh/cchips/voyagergx/consistent.c
- *
- * Copyright (C) 2004 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/mm.h>
-#include <linux/dma-mapping.h>
-#include <linux/slab.h>
-#include <linux/list.h>
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <asm/io.h>
-
-
-struct voya_alloc_entry {
- struct list_head list;
- unsigned long ofs;
- unsigned long len;
-};
-
-static DEFINE_SPINLOCK(voya_list_lock);
-static LIST_HEAD(voya_alloc_list);
-
-#define OHCI_SRAM_START 0xb0000000
-#define OHCI_HCCA_SIZE 0x100
-#define OHCI_SRAM_SIZE 0x10000
-
-#define VOYAGER_OHCI_NAME "voyager-ohci"
-
-void *voyagergx_consistent_alloc(struct device *dev, size_t size,
- dma_addr_t *handle, gfp_t flag)
-{
- struct list_head *list = &voya_alloc_list;
- struct voya_alloc_entry *entry;
- unsigned long start, end;
- unsigned long flags;
-
- /*
- * The SM501 contains an integrated 8051 with its own SRAM.
- * Devices within the cchip can all hook into the 8051 SRAM.
- * We presently use this for the OHCI.
- *
- * Everything else goes through consistent_alloc().
- */
- if (!dev || strcmp(dev->driver->name, VOYAGER_OHCI_NAME))
- return NULL;
-
- start = OHCI_SRAM_START + OHCI_HCCA_SIZE;
-
- entry = kmalloc(sizeof(struct voya_alloc_entry), GFP_ATOMIC);
- if (!entry)
- return ERR_PTR(-ENOMEM);
-
- entry->len = (size + 15) & ~15;
-
- /*
- * The basis for this allocator is dwmw2's malloc.. the
- * Matrox allocator :-)
- */
- spin_lock_irqsave(&voya_list_lock, flags);
- list_for_each(list, &voya_alloc_list) {
- struct voya_alloc_entry *p;
-
- p = list_entry(list, struct voya_alloc_entry, list);
-
- if (p->ofs - start >= size)
- goto out;
-
- start = p->ofs + p->len;
- }
-
- end = start + (OHCI_SRAM_SIZE - OHCI_HCCA_SIZE);
- list = &voya_alloc_list;
-
- if (end - start >= size) {
-out:
- entry->ofs = start;
- list_add_tail(&entry->list, list);
- spin_unlock_irqrestore(&voya_list_lock, flags);
-
- *handle = start;
- return (void *)start;
- }
-
- kfree(entry);
- spin_unlock_irqrestore(&voya_list_lock, flags);
-
- return ERR_PTR(-EINVAL);
-}
-
-int voyagergx_consistent_free(struct device *dev, size_t size,
- void *vaddr, dma_addr_t handle)
-{
- struct voya_alloc_entry *entry;
- unsigned long flags;
-
- if (!dev || strcmp(dev->driver->name, VOYAGER_OHCI_NAME))
- return -EINVAL;
-
- spin_lock_irqsave(&voya_list_lock, flags);
- list_for_each_entry(entry, &voya_alloc_list, list) {
- if (entry->ofs != handle)
- continue;
-
- list_del(&entry->list);
- kfree(entry);
-
- break;
- }
- spin_unlock_irqrestore(&voya_list_lock, flags);
-
- return 0;
-}
-
-EXPORT_SYMBOL(voyagergx_consistent_alloc);
-EXPORT_SYMBOL(voyagergx_consistent_free);