diff options
Diffstat (limited to 'arch/m68k/apollo/dma.c')
| -rw-r--r-- | arch/m68k/apollo/dma.c | 50 |
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 aed8be177ef1..000000000000 --- 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 ; - -} - |