xref: /OK3568_Linux_fs/kernel/arch/m68k/68000/m68EZ328.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /***************************************************************************/
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun /*
4*4882a593Smuzhiyun  *  m68EZ328.c - 68EZ328 specific config
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  *  Copyright (C) 1993 Hamish Macdonald
7*4882a593Smuzhiyun  *  Copyright (C) 1999 D. Jeff Dionne
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
10*4882a593Smuzhiyun  * License.  See the file COPYING in the main directory of this archive
11*4882a593Smuzhiyun  * for more details.
12*4882a593Smuzhiyun  */
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /***************************************************************************/
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #include <linux/init.h>
17*4882a593Smuzhiyun #include <linux/types.h>
18*4882a593Smuzhiyun #include <linux/kernel.h>
19*4882a593Smuzhiyun #include <linux/rtc.h>
20*4882a593Smuzhiyun #include <linux/pgtable.h>
21*4882a593Smuzhiyun #include <asm/machdep.h>
22*4882a593Smuzhiyun #include <asm/MC68EZ328.h>
23*4882a593Smuzhiyun #ifdef CONFIG_UCSIMM
24*4882a593Smuzhiyun #include <asm/bootstd.h>
25*4882a593Smuzhiyun #endif
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun /***************************************************************************/
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun int m68328_hwclk(int set, struct rtc_time *t);
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun /***************************************************************************/
32*4882a593Smuzhiyun 
m68ez328_reset(void)33*4882a593Smuzhiyun void m68ez328_reset(void)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun   local_irq_disable();
36*4882a593Smuzhiyun   asm volatile (
37*4882a593Smuzhiyun     "moveal #0x10c00000, %a0;\n"
38*4882a593Smuzhiyun     "moveb #0, 0xFFFFF300;\n"
39*4882a593Smuzhiyun     "moveal 0(%a0), %sp;\n"
40*4882a593Smuzhiyun     "moveal 4(%a0), %a0;\n"
41*4882a593Smuzhiyun     "jmp (%a0);\n"
42*4882a593Smuzhiyun     );
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun /***************************************************************************/
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun unsigned char *cs8900a_hwaddr;
48*4882a593Smuzhiyun static int errno;
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun #ifdef CONFIG_UCSIMM
_bsc0(char *,getserialnum)51*4882a593Smuzhiyun _bsc0(char *, getserialnum)
52*4882a593Smuzhiyun _bsc1(unsigned char *, gethwaddr, int, a)
53*4882a593Smuzhiyun _bsc1(char *, getbenv, char *, a)
54*4882a593Smuzhiyun #endif
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun void __init config_BSP(char *command, int len)
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun   unsigned char *p;
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun   pr_info("68EZ328 DragonBallEZ support (C) 1999 Rt-Control, Inc\n");
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun #ifdef CONFIG_UCSIMM
63*4882a593Smuzhiyun   pr_info("uCsimm serial string [%s]\n", getserialnum());
64*4882a593Smuzhiyun   p = cs8900a_hwaddr = gethwaddr(0);
65*4882a593Smuzhiyun   pr_info("uCsimm hwaddr %pM\n", p);
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun   p = getbenv("APPEND");
68*4882a593Smuzhiyun   if (p) strcpy(p,command);
69*4882a593Smuzhiyun   else command[0] = 0;
70*4882a593Smuzhiyun #endif
71*4882a593Smuzhiyun 
72*4882a593Smuzhiyun   mach_sched_init = hw_timer_init;
73*4882a593Smuzhiyun   mach_hwclk = m68328_hwclk;
74*4882a593Smuzhiyun   mach_reset = m68ez328_reset;
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun /***************************************************************************/
78