2 * (C) Copyright 2000, 2001
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,
26 #include <asm/processor.h>
31 DECLARE_GLOBAL_DATA_PTR;
35 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
36 extern void lxt971_no_sleep(void);
47 /* fpga configuration data - generated by bin2cc */
48 const unsigned char fpgadata[] = {
53 * include common fpga code (for esd boards)
55 #include "../common/fpga.c"
58 int board_early_init_f (void)
64 /* set up serial port with default baudrate */
66 gd->baudrate = CONFIG_BAUDRATE;
74 status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));
76 /* booting FPGA failed */
78 /* set up serial port with default baudrate */
80 gd->baudrate = CONFIG_BAUDRATE;
84 printf ("\nFPGA: Booting failed ");
86 case ERROR_FPGA_PRG_INIT_LOW:
87 printf ("(Timeout: INIT not low after asserting PROGRAM*)\n ");
89 case ERROR_FPGA_PRG_INIT_HIGH:
90 printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
92 case ERROR_FPGA_PRG_DONE:
93 printf ("(Timeout: DONE not high after programming FPGA)\n ");
97 /* display infos on fpgaimage */
99 for (i = 0; i < 4; i++) {
100 len = fpgadata[index];
101 printf ("FPGA: %s\n", &(fpgadata[index + 1]));
106 for (i = 20; i > 0; i--) {
107 printf ("Rebooting in %2d seconds \r", i);
108 for (index = 0; index < 1000; index++)
112 do_reset (NULL, 0, 0, NULL);
116 * IRQ 0-15 405GP internally generated; active high; level sensitive
117 * IRQ 16 405GP internally generated; active low; level sensitive
119 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
120 * IRQ 26 (EXT IRQ 1) DUART_A; active high; level sensitive
121 * IRQ 27 (EXT IRQ 2) DUART_B; active high; level sensitive
122 * IRQ 28 (EXT IRQ 3) unused; active low; level sensitive
123 * IRQ 29 (EXT IRQ 4) unused; active low; level sensitive
124 * IRQ 30 (EXT IRQ 5) unused; active low; level sensitive
125 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
127 mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
128 mtdcr (uicer, 0x00000000); /* disable all ints */
129 mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
130 mtdcr (uicpr, 0xFFFFFFB1); /* set int polarities */
131 mtdcr (uictr, 0x10000000); /* set int trigger levels */
132 mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
133 mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
136 * EBC Configuration Register: set ready timeout to 100 us
138 mtebc (epcr, 0xb8400000);
144 int misc_init_r (void)
146 unsigned long cntrl0Reg;
149 * Setup UART1 handshaking: use CTS instead of DSR
151 cntrl0Reg = mfdcr(cntrl0);
152 mtdcr(cntrl0, cntrl0Reg | 0x00001000);
159 * Check Board Identity:
161 int checkboard (void)
166 int i = getenv_r ("serial#", str, sizeof (str));
171 puts ("### No HW ID - assuming DU405");
178 /* display infos on fpgaimage */
180 for (i = 0; i < 4; i++) {
181 len = fpgadata[index];
182 printf ("%s ", &(fpgadata[index + 1]));
189 * Reset external DUART via FPGA
191 *(volatile unsigned char *) FPGA_MODE_REG = 0xff; /* reset high active */
192 *(volatile unsigned char *) FPGA_MODE_REG = 0x00; /* low again */
195 * Disable sleep mode in LXT971
203 phys_size_t initdram (int board_type)
205 return (16 * 1024 * 1024);
211 /* TODO: XXX XXX XXX */
212 printf ("test: 16 MB - ok\n");