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153d511e WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Stefan Roese, esd gmbh germany, stefan.roese@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 "ar405.h" | |
26 | #include <asm/processor.h> | |
27 | #include <command.h> | |
153d511e | 28 | |
8bde7f77 WD |
29 | /*cmd_boot.c*/ |
30 | extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); | |
153d511e WD |
31 | |
32 | /* ------------------------------------------------------------------------- */ | |
33 | ||
34 | #if 0 | |
35 | #define FPGA_DEBUG | |
36 | #endif | |
37 | ||
38 | /* fpga configuration data - generated by bin2cc */ | |
39 | const unsigned char fpgadata[] = { | |
40 | #include "fpgadata.c" | |
41 | }; | |
42 | ||
43 | /* | |
44 | * include common fpga code (for esd boards) | |
45 | */ | |
46 | #include "../common/fpga.c" | |
47 | ||
48 | ||
49 | int board_pre_init (void) | |
50 | { | |
51 | DECLARE_GLOBAL_DATA_PTR; | |
52 | ||
53 | int index, len, i; | |
54 | int status; | |
55 | ||
56 | #ifdef FPGA_DEBUG | |
57 | /* set up serial port with default baudrate */ | |
58 | (void) get_clocks (); | |
59 | gd->baudrate = CONFIG_BAUDRATE; | |
60 | serial_init (); | |
61 | console_init_f (); | |
62 | #endif | |
63 | ||
64 | /* | |
65 | * Boot onboard FPGA | |
66 | */ | |
67 | status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata)); | |
68 | if (status != 0) { | |
69 | /* booting FPGA failed */ | |
70 | #ifndef FPGA_DEBUG | |
71 | /* set up serial port with default baudrate */ | |
72 | (void) get_clocks (); | |
73 | gd->baudrate = CONFIG_BAUDRATE; | |
74 | serial_init (); | |
75 | console_init_f (); | |
76 | #endif | |
77 | printf ("\nFPGA: Booting failed "); | |
78 | switch (status) { | |
79 | case ERROR_FPGA_PRG_INIT_LOW: | |
80 | printf ("(Timeout: INIT not low after asserting PROGRAM*)\n "); | |
81 | break; | |
82 | case ERROR_FPGA_PRG_INIT_HIGH: | |
83 | printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n "); | |
84 | break; | |
85 | case ERROR_FPGA_PRG_DONE: | |
86 | printf ("(Timeout: DONE not high after programming FPGA)\n "); | |
87 | break; | |
88 | } | |
89 | ||
90 | /* display infos on fpgaimage */ | |
91 | index = 15; | |
92 | for (i = 0; i < 4; i++) { | |
93 | len = fpgadata[index]; | |
94 | printf ("FPGA: %s\n", &(fpgadata[index + 1])); | |
95 | index += len + 3; | |
96 | } | |
97 | putc ('\n'); | |
98 | /* delayed reboot */ | |
99 | for (i = 20; i > 0; i--) { | |
100 | printf ("Rebooting in %2d seconds \r", i); | |
101 | for (index = 0; index < 1000; index++) | |
102 | udelay (1000); | |
103 | } | |
104 | putc ('\n'); | |
105 | do_reset (NULL, 0, 0, NULL); | |
106 | } | |
107 | ||
108 | /* | |
109 | * IRQ 0-15 405GP internally generated; active high; level sensitive | |
110 | * IRQ 16 405GP internally generated; active low; level sensitive | |
111 | * IRQ 17-24 RESERVED | |
112 | * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive | |
113 | * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive | |
114 | * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive | |
115 | * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive | |
116 | * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive | |
117 | * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive | |
118 | * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive | |
119 | */ | |
120 | mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ | |
121 | mtdcr (uicer, 0x00000000); /* disable all ints */ | |
122 | mtdcr (uiccr, 0x00000000); /* set all to be non-critical */ | |
123 | mtdcr (uicpr, 0xFFFFFF81); /* set int polarities */ | |
124 | mtdcr (uictr, 0x10000000); /* set int trigger levels */ | |
125 | mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ | |
126 | mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ | |
127 | ||
128 | *(ushort *) 0xf03000ec = 0x0fff; /* enable all interrupts in fpga */ | |
129 | ||
130 | return 0; | |
131 | } | |
132 | ||
133 | ||
134 | /* ------------------------------------------------------------------------- */ | |
135 | ||
136 | /* | |
137 | * Check Board Identity: | |
138 | */ | |
139 | ||
140 | int checkboard (void) | |
141 | { | |
142 | int index; | |
143 | int len; | |
144 | unsigned char str[64]; | |
145 | int i = getenv_r ("serial#", str, sizeof (str)); | |
146 | ||
147 | puts ("Board: "); | |
148 | ||
149 | if (!i || strncmp (str, "AR405", 5)) { | |
150 | puts ("### No HW ID - assuming AR405\n"); | |
151 | return (0); | |
152 | } | |
153 | ||
154 | puts (str); | |
155 | ||
156 | puts ("\nFPGA: "); | |
157 | ||
158 | /* display infos on fpgaimage */ | |
159 | index = 15; | |
160 | for (i = 0; i < 4; i++) { | |
161 | len = fpgadata[index]; | |
162 | printf ("%s ", &(fpgadata[index + 1])); | |
163 | index += len + 3; | |
164 | } | |
165 | ||
166 | putc ('\n'); | |
167 | ||
168 | return 0; | |
169 | } | |
170 | ||
171 | /* ------------------------------------------------------------------------- */ | |
172 | ||
173 | long int initdram (int board_type) | |
174 | { | |
175 | return (16 * 1024 * 1024); | |
176 | } | |
177 | ||
178 | /* ------------------------------------------------------------------------- */ | |
179 | ||
180 | int testdram (void) | |
181 | { | |
182 | /* TODO: XXX XXX XXX */ | |
183 | printf ("test: 16 MB - ok\n"); | |
184 | ||
185 | return (0); | |
186 | } | |
187 | ||
188 | /* ------------------------------------------------------------------------- */ |