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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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 <command.h>
#include <mpc106.h>
#include <video_fb.h>
/* ------------------------------------------------------------------------- */
int checkboard (void)
{
puts ("Board: ELTEC PowerPC\n");
return (0);
}
/* ------------------------------------------------------------------------- */
int checkflash (void)
{
/* TODO */
printf ("Test not implemented !\n");
return (0);
}
/* ------------------------------------------------------------------------- */
static unsigned int mpc106_read_cfg_dword (unsigned int reg)
{
unsigned int reg_addr = MPC106_REG | (reg & 0xFFFFFFFC);
out32r(MPC106_REG_ADDR, reg_addr);
return (in32r(MPC106_REG_DATA | (reg & 0x3)));
}
/* ------------------------------------------------------------------------- */
long int dram_size (int board_type)
{
/*
* No actual initialisation to do - done when setting up
* PICRs MCCRs ME/SARs etc in asm_init.S.
*/
register unsigned long i, msar1, mear1, memSize;
#if defined(CFG_MEMTEST)
register unsigned long reg;
printf("Testing DRAM\n");
/* write each mem addr with it's address */
for (reg = CFG_MEMTEST_START; reg < CFG_MEMTEST_END; reg+=4)
*reg = reg;
for (reg = CFG_MEMTEST_START; reg < CFG_MEMTEST_END; reg+=4)
{
if (*reg != reg)
return -1;
}
#endif
/*
* Since MPC107 memory controller chip has already been set to
* control all memory, just read and interpret its memory boundery register.
*/
memSize = 0;
msar1 = mpc106_read_cfg_dword(MPC106_MSAR1);
mear1 = mpc106_read_cfg_dword(MPC106_MEAR1);
i = mpc106_read_cfg_dword(MPC106_MBER) & 0xf;
do
{
if (i & 0x01) /* is bank enabled ? */
memSize += (mear1 & 0xff) - (msar1 & 0xff) + 1;
msar1 >>= 8;
mear1 >>= 8;
i >>= 1;
} while (i);
return (memSize * 0x100000);
}
/* ------------------------------------------------------------------------- */
long int initdram(int board_type)
{
return dram_size(board_type);
}
/* ------------------------------------------------------------------------- */
/*
* The BAB 911 can be reset by writing bit 0 of the Processor Initialization
* Register PI in the MPC 107 (at offset 0x41090 of the Embedded Utilities
* Memory Block).
*/
void do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
{
out8(MPC107_EUMB_PI, 1);
}
/* ------------------------------------------------------------------------- */
#if defined(CONFIG_WATCHDOG)
/*
* Since the 7xx CPUs don't have an internal watchdog, this function is
* board specific.
*/
void watchdog_reset(void)
{
}
#endif /* CONFIG_WATCHDOG */
/* ------------------------------------------------------------------------- */
void after_reloc (ulong dest_addr)
{
DECLARE_GLOBAL_DATA_PTR;
/*
* Jump to the main U-Boot board init code
*/
board_init_r(gd, dest_addr);
}
/* ------------------------------------------------------------------------- */
#ifdef CONFIG_CONSOLE_EXTRA_INFO
extern GraphicDevice smi;
void video_get_info_str (int line_number, char *info)
{
/* init video info strings for graphic console */
switch (line_number)
{
case 1:
sprintf (info," MPC7xx V%d.%d at %d / %d MHz",
(get_pvr() >> 8) & 0xFF,
get_pvr() & 0xFF,
400,
100);
return;
case 2:
sprintf (info, " ELTEC ELPPC with %ld MB DRAM and %ld MB FLASH",
dram_size(0)/0x100000,
flash_init()/0x100000);
return;
case 3:
sprintf (info, " %s", smi.modeIdent);
return;
}
/* no more info lines */
*info = 0;
return;
}
#endif
|
