3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
27 /* ------------------------------------------------------------------------- */
31 #define _NOT_USED_ 0xFFFFFFFF
33 /* ------------------------------------------------------------------------- */
35 /* fpga configuration data - generated by bit2inc */
36 static unsigned char fpgadata[] = {
40 #define FPGA_PRG_SLEEP 32 /* fpga program sleep-time */
41 #define LOAD_LONG(a) a
44 /******************************************************************************
46 * sysFpgaBoot - Load fpga-image into fpga
49 static int fpgaBoot (void)
55 imageSize = sizeof (fpgadata);
57 /* display infos on fpgaimage */
59 for (i = 0; i < 4; i++) {
60 len = fpgadata[index];
64 /* search for preamble 0xFF2X */
65 for (index = 0; index < imageSize - 1; index++) {
66 if ((fpgadata[index] == 0xff)
67 && ((fpgadata[index + 1] & 0xf0) == 0x20))
71 /* enable cs1 instead of user0... */
72 *(unsigned long *) 0x50000084 &= ~0x00000002;
76 ((in32 (0x50000084) & 0x00010000) == 0) ? "NOT DONE" : "DONE");
79 /* init fpga by asserting and deasserting PROGRAM* (USER2)... */
80 *(unsigned long *) 0x50000084 &= ~0x00000400;
81 udelay (FPGA_PRG_SLEEP * 1000);
83 *(unsigned long *) 0x50000084 |= 0x00000400;
84 udelay (FPGA_PRG_SLEEP * 1000);
88 ((in32 (0x50000084) & 0x00010000) == 0) ? "NOT DONE" : "DONE");
91 /* cs1: disable burst, disable ready */
92 *(unsigned long *) 0x50000114 &= ~0x00000300;
94 /* cs1: set write timing */
95 *(unsigned long *) 0x50000118 |= 0x00010900;
97 /* write configuration-data into fpga... */
98 for (i = index; i < imageSize; i++) {
100 for (j = 0; j < 8; j++) {
101 *(unsigned long *) 0x30000000 =
103 ? LOAD_LONG (0x03030101)
104 : LOAD_LONG (0x02020000);
111 ((in32 (0x50000084) & 0x00010000) == 0) ? "NOT DONE" : "DONE");
114 /* set cs1 to 32 bit data-width, disable burst, enable ready */
115 *(unsigned long *) 0x50000114 |= 0x00000202;
116 *(unsigned long *) 0x50000114 &= ~0x00000100;
118 /* cs1: set iop access to little endian */
119 *(unsigned long *) 0x50000114 &= ~0x00000010;
121 /* cs1: set read and write timing */
122 *(unsigned long *) 0x50000118 = 0x00010000;
123 *(unsigned long *) 0x5000011c = 0x00010001;
127 ((in32 (0x50000084) & 0x00010000) == 0) ? "NOT DONE" : "DONE");
130 /* wait for 30 ms... */
132 /* check if fpga's DONE signal - correctly booted ? */
133 if ((*(unsigned long *) 0x50000084 & 0x00010000) == 0)
140 int board_pre_init (void)
145 *(unsigned long *) 0x50000304 = 0x02900007; /* enable mem/io/master bits */
146 *(unsigned long *) 0x500001b4 = 0x00000000; /* disable pci interrupt output enable */
147 *(unsigned long *) 0x50000354 = 0x00c05800; /* disable emun interrupt output enable */
148 *(unsigned long *) 0x50000344 = 0x00000000; /* disable pme interrupt output enable */
149 *(unsigned long *) 0x50000310 = 0x00000000; /* pcibar0 */
150 *(unsigned long *) 0x50000314 = 0x00000000; /* pcibar1 */
151 *(unsigned long *) 0x50000318 = 0x00000000; /* pcibar2 */
158 * Check Board Identity:
161 int checkboard (void)
165 unsigned char str[64];
166 int i = getenv_r ("serial#", str, sizeof (str));
177 if (!i || strncmp (str, "DASA_SIM", 8)) {
178 puts ("### No HW ID - assuming DASA_SIM");
184 val = *(unsigned short *) 0x30000202;
185 printf (" (Id=%d Version=%d Revision=%d)",
186 (val & 0x07f8) >> 3, val & 0x0001, (val & 0x0006) >> 1);
190 /* display infos on fpgaimage */
192 for (i = 0; i < 4; i++) {
193 len = fpgadata[index];
194 printf ("%s ", &(fpgadata[index + 1]));
198 puts ("\nFPGA: Booting failed!");
207 /* ------------------------------------------------------------------------- */
209 long int initdram (int board_type)
211 return (16 * 1024 * 1024);
214 /* ------------------------------------------------------------------------- */
218 /* TODO: XXX XXX XXX */
219 printf ("test: 16 MB - ok\n");
224 /* ------------------------------------------------------------------------- */