arch/m68knommu/platform/68VZ328/ucdimm/config.c

   1 /*
   2  *  linux/arch/m68knommu/platform/68VZ328/ucdimm/config.c
   3  *
   4  *  Copyright (C) 1993 Hamish Macdonald
   5  *  Copyright (C) 1999 D. Jeff Dionne
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file COPYING in the main directory of this archive
   9  * for more details.
  10  */
  11
  12 #include <stdarg.h>
  13 #include <linux/config.h>
  14 #include <linux/types.h>
  15 #include <linux/kernel.h>
  16 #include <linux/mm.h>
  17 #include <linux/tty.h>
  18 #include <linux/console.h>
  19
  20 #include <asm/setup.h>
  21 #include <asm/system.h>
  22 #include <asm/pgtable.h>
  23 #include <asm/irq.h>
  24 #include <asm/machdep.h>
  25 #include <asm/MC68VZ328.h>
  26 #include <asm/bootstd.h>
  27
  28 void BSP_sched_init(void (*timer_routine)(int, void *, struct pt_regs *))
  29 {
  30         /* Restart mode, Enable int, 32KHz, Enable timer */
  31         TCTL = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_32KHZ | TCTL_TEN;
  32         /* Set prescaler (Divide 32KHz by 32)*/
  33         TPRER = 31;
  34         /* Set compare register  32Khz / 32 / 10 = 100 */
  35         TCMP = 10;
  36
  37         request_irq(TMR_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
  38 }
  39
  40 void BSP_tick(void)
  41 {
  42         /* Reset Timer1 */
  43         TSTAT &= 0;
  44 }
  45
  46 unsigned long BSP_gettimeoffset (void)
  47 {
  48         return 0;
  49 }
  50
  51 void BSP_gettod (int *yearp, int *monp, int *dayp,
  52                    int *hourp, int *minp, int *secp)
  53 {
  54 }
  55
  56 int BSP_hwclk(int op, struct hwclk_time *t)
  57 {
  58         if (!op) {
  59                 /* read */
  60         } else {
  61                 /* write */
  62         }
  63         return 0;
  64 }
  65
  66 int BSP_set_clock_mmss (unsigned long nowtime)
  67 {
  68 #if 0
  69         short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
  70
  71         tod->second1 = real_seconds / 10;
  72         tod->second2 = real_seconds % 10;
  73         tod->minute1 = real_minutes / 10;
  74         tod->minute2 = real_minutes % 10;
  75 #endif
  76         return 0;
  77 }
  78
  79 void BSP_reset (void)
  80 {
  81         local_irq_disable();
  82         asm volatile ("
  83                 moveal #0x10c00000, %a0;
  84                 moveb #0, 0xFFFFF300;
  85                 moveal 0(%a0), %sp;
  86                 moveal 4(%a0), %a0;
  87                 jmp (%a0);
  88         ");
  89 }
  90
  91 unsigned char *cs8900a_hwaddr;
  92 static int errno;
  93
  94 _bsc0(char *, getserialnum)
  95 _bsc1(unsigned char *, gethwaddr, int, a)
  96 _bsc1(char *, getbenv, char *, a)
  97
  98 void config_BSP(char *command, int len)
  99 {
 100         unsigned char *p;
 101
 102         printk(KERN_INFO "\n68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n");
 103
 104         printk(KERN_INFO "uCdimm serial string [%s]\n",getserialnum());
 105         p = cs8900a_hwaddr = gethwaddr(0);
 106         printk(KERN_INFO "uCdimm hwaddr %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
 107                 p[0], p[1], p[2], p[3], p[4], p[5]);
 108         p = getbenv("APPEND");
 109         if (p) strcpy(p,command);
 110         else command[0] = 0;
 111
 112         mach_sched_init      = BSP_sched_init;
 113         mach_tick            = BSP_tick;
 114         mach_gettimeoffset   = BSP_gettimeoffset;
 115         mach_gettod          = BSP_gettod;
 116         mach_reset           = BSP_reset;
 117 }