diff options
author | wdenk <wdenk> | 2002-08-26 21:58:50 +0000 |
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committer | wdenk <wdenk> | 2002-08-26 21:58:50 +0000 |
commit | 16f217049a70da97bc61eff7a95b4b6313850909 (patch) | |
tree | 4c9c0b416828b4215b10d152aac432b449a11f05 /board/esd/ocrtc | |
parent | 354bc6feac2cf549c51c2f36e2a374438af4e9c1 (diff) |
Initial revision
Diffstat (limited to 'board/esd/ocrtc')
-rw-r--r-- | board/esd/ocrtc/ocrtc.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/board/esd/ocrtc/ocrtc.c b/board/esd/ocrtc/ocrtc.c new file mode 100644 index 0000000000..3c3d56eb4f --- /dev/null +++ b/board/esd/ocrtc/ocrtc.c @@ -0,0 +1,127 @@ +/* + * (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> +#include <cmd_boot.h> + +/* ------------------------------------------------------------------------- */ + +int board_pre_init (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) +{ + unsigned 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'); + + 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); +} + +/* ------------------------------------------------------------------------- */ |