arch/m68knommu/platform/527x/config.c

   1 /***************************************************************************/
   2
   3 /*
   4  *      linux/arch/m68knommu/platform/527x/config.c
   5  *
   6  *      Sub-architcture dependant initialization code for the Freescale
   7  *      5270/5271 CPUs.
   8  *
   9  *      Copyright (C) 1999-2004, Greg Ungerer (gerg@snapgear.com)
  10  *      Copyright (C) 2001-2004, SnapGear Inc. (www.snapgear.com)
  11  */
  12
  13 /***************************************************************************/
  14
  15 #include <linux/kernel.h>
  16 #include <linux/sched.h>
  17 #include <linux/param.h>
  18 #include <linux/init.h>
  19 #include <linux/interrupt.h>
  20 #include <asm/dma.h>
  21 #include <asm/traps.h>
  22 #include <asm/machdep.h>
  23 #include <asm/coldfire.h>
  24 #include <asm/mcfsim.h>
  25 #include <asm/mcfdma.h>
  26
  27 /***************************************************************************/
  28
  29 void coldfire_pit_tick(void);
  30 void coldfire_pit_init(irq_handler_t handler);
  31 unsigned long coldfire_pit_offset(void);
  32 void coldfire_reset(void);
  33
  34 /***************************************************************************/
  35
  36 /*
  37  *      DMA channel base address table.
  38  */
  39 unsigned int   dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
  40         MCF_MBAR + MCFDMA_BASE0,
  41 };
  42
  43 unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
  44
  45 /***************************************************************************/
  46
  47 void mcf_disableall(void)
  48 {
  49         *((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH)) = 0xffffffff;
  50         *((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRL)) = 0xffffffff;
  51 }
  52
  53 /***************************************************************************/
  54
  55 void mcf_autovector(unsigned int vec)
  56 {
  57         /* Everything is auto-vectored on the 5272 */
  58 }
  59
  60 /***************************************************************************/
  61
  62 void config_BSP(char *commandp, int size)
  63 {
  64         mcf_disableall();
  65         mach_sched_init = coldfire_pit_init;
  66         mach_tick = coldfire_pit_tick;
  67         mach_gettimeoffset = coldfire_pit_offset;
  68         mach_reset = coldfire_reset;
  69 }
  70
  71 /***************************************************************************/