| wdenk | 652a10c | 2005-01-09 23:48:14 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * |
| 4 | * See file CREDITS for list of people who contributed to this |
| 5 | * project. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 of |
| 10 | * the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 20 | * MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #include <common.h> |
| 24 | #include <asm/processor.h> |
| 25 | #include <command.h> |
| 26 | #include <malloc.h> |
| 27 | #include <spd_sdram.h> |
| 28 | |
| 29 | |
| 30 | int board_early_init_f (void) |
| 31 | { |
| 32 | /* |
| 33 | * IRQ 0-15 405GP internally generated; active high; level sensitive |
| 34 | * IRQ 16 405GP internally generated; active low; level sensitive |
| 35 | * IRQ 17-24 RESERVED |
| 36 | * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive |
| 37 | * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive |
| 38 | * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive |
| 39 | * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive |
| 40 | * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive |
| 41 | * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive |
| 42 | * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive |
| 43 | */ |
| 44 | mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ |
| 45 | mtdcr(uicer, 0x00000000); /* disable all ints */ |
| 46 | mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/ |
| 47 | mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */ |
| 48 | mtdcr(uictr, 0x10000000); /* set int trigger levels */ |
| 49 | mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/ |
| 50 | mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ |
| 51 | |
| 52 | /* |
| 53 | * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us |
| 54 | */ |
| 55 | mtebc (epcr, 0xa8400000); |
| 56 | |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | |
| 61 | /* ------------------------------------------------------------------------- */ |
| 62 | |
| 63 | int misc_init_f (void) |
| 64 | { |
| 65 | return 0; /* dummy implementation */ |
| 66 | } |
| 67 | |
| 68 | |
| 69 | int misc_init_r (void) |
| 70 | { |
| 71 | return (0); |
| 72 | } |
| 73 | |
| 74 | |
| 75 | /* |
| 76 | * Check Board Identity: |
| 77 | */ |
| 78 | |
| 79 | int checkboard (void) |
| 80 | { |
| 81 | unsigned char str[64]; |
| 82 | int i = getenv_r ("serial#", str, sizeof(str)); |
| 83 | |
| 84 | puts ("Board: "); |
| 85 | |
| 86 | if (i == -1) { |
| 87 | puts ("### No HW ID - assuming sbc405"); |
| 88 | } else { |
| 89 | puts(str); |
| 90 | } |
| 91 | |
| 92 | putc ('\n'); |
| 93 | |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | /* ------------------------------------------------------------------------- */ |
| 98 | |
| 99 | long int initdram (int board_type) |
| 100 | { |
| 101 | return spd_sdram (0); |
| 102 | } |
| 103 | |
| 104 | /* ------------------------------------------------------------------------- */ |
| 105 | |
| 106 | int testdram (void) |
| 107 | { |
| 108 | /* TODO: XXX XXX XXX */ |
| 109 | printf ("test: 64 MB - ok\n"); |
| 110 | |
| 111 | return (0); |
| 112 | } |
| 113 | |
| 114 | /* ------------------------------------------------------------------------- */ |