aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/m68k/apollo/dma.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/m68k/apollo/dma.c b/arch/m68k/apollo/dma.c
deleted file mode 100644
index aed8be177ef..00000000000
--- a/arch/m68k/apollo/dma.c
+++ /dev/null
@@ -1,50 +0,0 @@
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/kd.h>
-#include <linux/tty.h>
-#include <linux/console.h>
-
-#include <asm/setup.h>
-#include <asm/bootinfo.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/apollodma.h>
-#include <asm/io.h>
-
-/* note only works for 16 Bit 1 page DMA's */
-
-static unsigned short next_free_xlat_entry=0;
-
-unsigned short dma_map_page(unsigned long phys_addr,int count,int type) {
-
- unsigned long page_aligned_addr=phys_addr & (~((1<<12)-1));
- unsigned short start_map_addr=page_aligned_addr >> 10;
- unsigned short free_xlat_entry, *xlat_map_entry;
- int i;
-
- free_xlat_entry=next_free_xlat_entry;
- for(i=0,xlat_map_entry=addr_xlat_map+(free_xlat_entry<<2);i<8;i++,xlat_map_entry++) {
-#if 0
- printk("phys_addr: %x, page_aligned_addr: %x, start_map_addr: %x\n",phys_addr,page_aligned_addr,start_map_addr+i);
-#endif
- out_be16(xlat_map_entry, start_map_addr+i);
- }
-
- next_free_xlat_entry+=2;
- if(next_free_xlat_entry>125)
- next_free_xlat_entry=0;
-
-#if 0
- printk("next_free_xlat_entry: %d\n",next_free_xlat_entry);
-#endif
-
- return free_xlat_entry<<10;
-}
-
-void dma_unmap_page(unsigned short dma_addr) {
-
- return ;
-
-}
-