/* * (C) Copyright 2001 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include "ocrtc.h" #include <asm/processor.h> #include <i2c.h> #include <command.h> extern void lxt971_no_sleep(void); int board_early_init_f (void) { /* * IRQ 0-15 405GP internally generated; active high; level sensitive * IRQ 16 405GP internally generated; active low; level sensitive * IRQ 17-24 RESERVED * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive */ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ mtdcr (uicer, 0x00000000); /* disable all ints */ mtdcr (uiccr, 0x00000000); /* set all to be non-critical */ mtdcr (uicpr, 0xFFFFFF81); /* set int polarities */ mtdcr (uictr, 0x10000000); /* set int trigger levels */ mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ /* * EBC Configuration Register: clear EBTC -> high-Z ebc signals between * transfers, set device-paced timeout to 256 cycles */ mtebc (epcr, 0x20400000); return 0; } int misc_init_f (void) { return 0; /* dummy implementation */ } /* * Check Board Identity: */ int checkboard (void) { char str[64]; int i = getenv_r ("serial#", str, sizeof (str)); puts ("Board: "); if (i == -1) { #ifdef CONFIG_OCRTC puts ("### No HW ID - assuming OCRTC"); #endif #ifdef CONFIG_ORSG puts ("### No HW ID - assuming ORSG"); #endif } else { puts (str); } putc ('\n'); /* * Disable sleep mode in LXT971 */ lxt971_no_sleep(); return (0); } long int initdram (int board_type) { unsigned long val; mtdcr (memcfga, mem_mb0cf); val = mfdcr (memcfgd); #if 0 printf ("\nmb0cf=%x\n", val); /* test-only */ printf ("strap=%x\n", mfdcr (strap)); /* test-only */ #endif return (4 * 1024 * 1024 << ((val & 0x000e0000) >> 17)); } int testdram (void) { /* TODO: XXX XXX XXX */ printf ("test: 16 MB - ok\n"); return (0); }