summaryrefslogtreecommitdiff
path: root/cpu/mcf52x2/cpu_init.c
blob: 8aff8f1ae23f9159fd362151ede7e6ee0ae8de70 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/*
 * (C) Copyright 2003
 * Josef Baumgartner <josef.baumgartner@telex.de>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <watchdog.h>

#ifdef	CONFIG_M5272
#include <asm/m5272.h>
#include <asm/immap_5272.h>
#endif

#ifdef	CONFIG_M5282
#include <asm/m5282.h>
#include <asm/immap_5282.h>
#endif

#ifdef	CONFIG_M5272
/*
 * Breath some life into the CPU...
 *
 * Set up the memory map,
 * initialize a bunch of registers,
 * initialize the UPM's
 */
void cpu_init_f (void)
{
	/* if we come from RAM we assume the CPU is
	 * already initialized.
	 */
#ifndef CONFIG_MONITOR_IS_IN_RAM
	volatile immap_t *regp = (immap_t *)CFG_MBAR;

	volatile unsigned char	*mbar;
	mbar = (volatile unsigned char *) CFG_MBAR;

	regp->sysctrl_reg.sc_scr = CFG_SCR;
	regp->sysctrl_reg.sc_spr = CFG_SPR;

	/* Setup Ports:	*/
	regp->gpio_reg.gpio_pacnt = CFG_PACNT;
	regp->gpio_reg.gpio_paddr = CFG_PADDR;
	regp->gpio_reg.gpio_padat = CFG_PADAT;
	regp->gpio_reg.gpio_pbcnt = CFG_PBCNT;
	regp->gpio_reg.gpio_pbddr = CFG_PBDDR;
	regp->gpio_reg.gpio_pbdat = CFG_PBDAT;
	regp->gpio_reg.gpio_pdcnt = CFG_PDCNT;

	/* Memory Controller: */
	regp->csctrl_reg.cs_br0 = CFG_BR0_PRELIM;
	regp->csctrl_reg.cs_or0 = CFG_OR0_PRELIM;

#if (defined(CFG_OR1_PRELIM) && defined(CFG_BR1_PRELIM))
	regp->csctrl_reg.cs_br1 = CFG_BR1_PRELIM;
	regp->csctrl_reg.cs_or1 = CFG_OR1_PRELIM;
#endif

#if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
	regp->csctrl_reg.cs_br2 = CFG_BR2_PRELIM;
	regp->csctrl_reg.cs_or2 = CFG_OR2_PRELIM;
#endif

#if defined(CFG_OR3_PRELIM) && defined(CFG_BR3_PRELIM)
	regp->csctrl_reg.cs_br3 = CFG_BR3_PRELIM;
	regp->csctrl_reg.cs_or3 = CFG_OR3_PRELIM;
#endif

#if defined(CFG_OR4_PRELIM) && defined(CFG_BR4_PRELIM)
	regp->csctrl_reg.cs_br4 = CFG_BR4_PRELIM;
	regp->csctrl_reg.cs_or4 = CFG_OR4_PRELIM;
#endif

#if defined(CFG_OR5_PRELIM) && defined(CFG_BR5_PRELIM)
	regp->csctrl_reg.cs_br5 = CFG_BR5_PRELIM;
	regp->csctrl_reg.cs_or5 = CFG_OR5_PRELIM;
#endif

#if defined(CFG_OR6_PRELIM) && defined(CFG_BR6_PRELIM)
	regp->csctrl_reg.cs_br6 = CFG_BR6_PRELIM;
	regp->csctrl_reg.cs_or6 = CFG_OR6_PRELIM;
#endif

#if defined(CFG_OR7_PRELIM) && defined(CFG_BR7_PRELIM)
	regp->csctrl_reg.cs_br7 = CFG_BR7_PRELIM;
	regp->csctrl_reg.cs_or7 = CFG_OR7_PRELIM;
#endif

#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */

    /* enable instruction cache now */
    icache_enable();

}

/*
 * initialize higher level parts of CPU like timers
 */
int cpu_init_r  (void)
{
	return (0);
}
#endif /* #ifdef CONFIG_M5272 */


#ifdef	CONFIG_M5282
/*
 * Breath some life into the CPU...
 *
 * Set up the memory map,
 * initialize a bunch of registers,
 * initialize the UPM's
 */
void cpu_init_f (void)
{

}

/*
 * initialize higher level parts of CPU like timers
 */
int cpu_init_r  (void)
{
	return (0);
}
#endif