]>
Commit | Line | Data |
---|---|---|
153d511e WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include "canbt.h" | |
26 | #include <asm/processor.h> | |
27 | #include <command.h> | |
28 | #include <cmd_boot.h> | |
29 | ||
30 | /* ------------------------------------------------------------------------- */ | |
31 | ||
32 | #if 0 | |
33 | #define FPGA_DEBUG | |
34 | #endif | |
35 | ||
36 | /* fpga configuration data */ | |
37 | const unsigned char fpgadata[] = { | |
38 | #include "fpgadata.c" | |
39 | }; | |
40 | ||
41 | /* | |
42 | * include common fpga code (for esd boards) | |
43 | */ | |
44 | #include "../common/fpga.c" | |
45 | ||
46 | ||
47 | int board_pre_init (void) | |
48 | { | |
49 | DECLARE_GLOBAL_DATA_PTR; | |
50 | ||
51 | unsigned long cntrl0Reg; | |
52 | int index, len, i; | |
53 | int status; | |
54 | ||
55 | /* | |
56 | * Setup GPIO pins | |
57 | */ | |
58 | cntrl0Reg = mfdcr (cntrl0) & 0xf0001fff; | |
59 | cntrl0Reg |= 0x0070f000; | |
60 | mtdcr (cntrl0, cntrl0Reg); | |
61 | ||
62 | #ifdef FPGA_DEBUG | |
63 | /* set up serial port with default baudrate */ | |
64 | (void) get_clocks (); | |
65 | gd->baudrate = CONFIG_BAUDRATE; | |
66 | serial_init (); | |
67 | console_init_f (); | |
68 | #endif | |
69 | ||
70 | /* | |
71 | * Boot onboard FPGA | |
72 | */ | |
73 | status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata)); | |
74 | if (status != 0) { | |
75 | /* booting FPGA failed */ | |
76 | #ifndef FPGA_DEBUG | |
77 | /* set up serial port with default baudrate */ | |
78 | (void) get_clocks (); | |
79 | gd->baudrate = CONFIG_BAUDRATE; | |
80 | serial_init (); | |
81 | console_init_f (); | |
82 | #endif | |
83 | printf ("\nFPGA: Booting failed "); | |
84 | switch (status) { | |
85 | case ERROR_FPGA_PRG_INIT_LOW: | |
86 | printf ("(Timeout: INIT not low after asserting PROGRAM*)\n "); | |
87 | break; | |
88 | case ERROR_FPGA_PRG_INIT_HIGH: | |
89 | printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n "); | |
90 | break; | |
91 | case ERROR_FPGA_PRG_DONE: | |
92 | printf ("(Timeout: DONE not high after programming FPGA)\n "); | |
93 | break; | |
94 | } | |
95 | ||
96 | /* display infos on fpgaimage */ | |
97 | index = 15; | |
98 | for (i = 0; i < 4; i++) { | |
99 | len = fpgadata[index]; | |
100 | printf ("FPGA: %s\n", &(fpgadata[index + 1])); | |
101 | index += len + 3; | |
102 | } | |
103 | putc ('\n'); | |
104 | /* delayed reboot */ | |
105 | for (i = 20; i > 0; i--) { | |
106 | printf ("Rebooting in %2d seconds \r", i); | |
107 | for (index = 0; index < 1000; index++) | |
108 | udelay (1000); | |
109 | } | |
110 | putc ('\n'); | |
111 | do_reset (NULL, 0, 0, NULL); | |
112 | } | |
113 | ||
114 | /* | |
115 | * Setup port pins for normal operation | |
116 | */ | |
117 | out32 (IBM405GP_GPIO0_ODR, 0x00000000); /* no open drain pins */ | |
118 | out32 (IBM405GP_GPIO0_TCR, 0x07038100); /* setup for output */ | |
119 | out32 (IBM405GP_GPIO0_OR, 0x07030100); /* set output pins to high (default) */ | |
120 | ||
121 | /* | |
122 | * IRQ 0-15 405GP internally generated; active high; level sensitive | |
123 | * IRQ 16 405GP internally generated; active low; level sensitive | |
124 | * IRQ 17-24 RESERVED | |
125 | * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive | |
126 | * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive | |
127 | * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive | |
128 | * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive | |
129 | * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive | |
130 | * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive | |
131 | * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive | |
132 | */ | |
133 | mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ | |
134 | mtdcr (uicer, 0x00000000); /* disable all ints */ | |
135 | mtdcr (uiccr, 0x00000000); /* set all to be non-critical */ | |
136 | mtdcr (uicpr, 0xFFFFFF81); /* set int polarities */ | |
137 | mtdcr (uictr, 0x10000000); /* set int trigger levels */ | |
138 | mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ | |
139 | mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | ||
145 | /* ------------------------------------------------------------------------- */ | |
146 | ||
147 | /* | |
148 | * Check Board Identity: | |
149 | */ | |
150 | ||
151 | int checkboard (void) | |
152 | { | |
153 | int index; | |
154 | int len; | |
155 | unsigned char str[64]; | |
156 | int i = getenv_r ("serial#", str, sizeof (str)); | |
157 | ||
158 | puts ("Board: "); | |
159 | ||
160 | if (!i || strncmp (str, "CANBT", 5)) { | |
161 | puts ("### No HW ID - assuming CANBT\n"); | |
162 | return (0); | |
163 | } | |
164 | ||
165 | puts (str); | |
166 | ||
167 | puts ("\nFPGA: "); | |
168 | ||
169 | /* display infos on fpgaimage */ | |
170 | index = 15; | |
171 | for (i = 0; i < 4; i++) { | |
172 | len = fpgadata[index]; | |
173 | printf ("%s ", &(fpgadata[index + 1])); | |
174 | index += len + 3; | |
175 | } | |
176 | ||
177 | putc ('\n'); | |
178 | ||
179 | return 0; | |
180 | } | |
181 | ||
182 | /* ------------------------------------------------------------------------- */ | |
183 | ||
184 | long int initdram (int board_type) | |
185 | { | |
186 | return (16 * 1024 * 1024); | |
187 | } | |
188 | ||
189 | /* ------------------------------------------------------------------------- */ | |
190 | ||
191 | int testdram (void) | |
192 | { | |
193 | /* TODO: XXX XXX XXX */ | |
194 | printf ("test: 16 MB - ok\n"); | |
195 | ||
196 | return (0); | |
197 | } | |
198 | ||
199 | /* ------------------------------------------------------------------------- */ |