2 * (C) Copyright 2001-2004
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,
25 #include <asm/processor.h>
30 DECLARE_GLOBAL_DATA_PTR;
32 extern void lxt971_no_sleep(void);
34 int board_early_init_f (void)
37 * IRQ 0-15 405GP internally generated; active high; level sensitive
38 * IRQ 16 405GP internally generated; active low; level sensitive
40 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
41 * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
42 * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
43 * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
44 * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
45 * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
46 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
48 mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
49 mtdcr(UIC0ER, 0x00000000); /* disable all ints */
50 mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
51 mtdcr(UIC0PR, 0xFFFFFF80); /* set int polarities */
52 mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
53 mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/
54 mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
57 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
59 mtebc (EBC0_CFG, 0xa8400000); /* ebc always driven */
62 * Reset CPLD via GPIO12 (CS3) pin
64 out_be32((void *)GPIO0_OR,
65 in_be32((void *)GPIO0_OR) & ~(0x80000000 >> 12));
66 udelay(1000); /* wait 1ms */
67 out_be32((void *)GPIO0_OR,
68 in_be32((void *)GPIO0_OR) | (0x80000000 >> 12));
69 udelay(1000); /* wait 1ms */
74 int misc_init_r (void)
76 /* adjust flash start and offset */
77 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
78 gd->bd->bi_flashoffset = 0;
84 * Check Board Identity:
89 int i = getenv_r ("serial#", str, sizeof(str));
92 u8 *led_reg = (u8 *)(CAN_BA + 0x1000);
97 puts ("### No HW ID - assuming VOM405");
102 printf(" (PLD-Version=%02d)\n", in_8(led_reg));
107 for (flashcnt = 0; flashcnt < 3; flashcnt++) {
108 out_8(led_reg, 0x40); /* LED_B..D off */
109 for (delay = 0; delay < 100; delay++)
111 out_8(led_reg, 0x47); /* LED_B..D on */
112 for (delay = 0; delay < 50; delay++)
115 out_8(led_reg, 0x40);
122 #ifdef CONFIG_LXT971_NO_SLEEP
125 * Disable sleep mode in LXT971