| Aubrey Li | 6545898 | 2007-03-20 18:16:24 +0800 | [diff] [blame] | 1 | /* |
| 2 | * U-boot - ezkit561.c |
| 3 | * |
| 4 | * Copyright (c) 2005 Bas Vermeulen <bas@buyways.nl> |
| 5 | * Copyright (c) 2005 blackfin.uclinux.org |
| 6 | * |
| 7 | * (C) Copyright 2000-2004 |
| 8 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 9 | * |
| 10 | * See file CREDITS for list of people who contributed to this |
| 11 | * project. |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or |
| 14 | * modify it under the terms of the GNU General Public License as |
| 15 | * published by the Free Software Foundation; either version 2 of |
| 16 | * the License, or (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License |
| 24 | * along with this program; if not, write to the Free Software |
| 25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 26 | * MA 02111-1307 USA |
| 27 | */ |
| 28 | |
| 29 | #include <common.h> |
| 30 | #include <asm/io.h> |
| 31 | |
| 32 | int checkboard(void) |
| 33 | { |
| 34 | printf("CPU: ADSP BF561\n"); |
| 35 | printf("Board: ADI BF561 EZ-Kit Lite board\n"); |
| 36 | printf(" Support: http://blackfin.uclinux.org/\n"); |
| 37 | return 0; |
| 38 | } |
| 39 | |
| 40 | long int initdram(int board_type) |
| 41 | { |
| 42 | DECLARE_GLOBAL_DATA_PTR; |
| 43 | #ifdef DEBUG |
| 44 | int brate; |
| 45 | char *tmp = getenv("baudrate"); |
| 46 | brate = simple_strtoul(tmp, NULL, 16); |
| 47 | printf("Serial Port initialized with Baud rate = %x\n", brate); |
| 48 | printf("SDRAM attributes:\n"); |
| 49 | printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles" |
| 50 | "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n", |
| 51 | 3, 3, 6, 2, 3); |
| 52 | printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE); |
| 53 | printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20); |
| 54 | #endif |
| 55 | gd->bd->bi_memstart = CFG_SDRAM_BASE; |
| 56 | gd->bd->bi_memsize = CFG_MAX_RAM_SIZE; |
| 57 | return CFG_MAX_RAM_SIZE; |
| 58 | } |
| 59 | |
| 60 | #if defined(CONFIG_MISC_INIT_R) |
| 61 | /* miscellaneous platform dependent initialisations */ |
| 62 | int misc_init_r(void) |
| 63 | { |
| 64 | /* Keep PF12 low to be able to drive the USB-LAN Extender */ |
| 65 | *pFIO0_DIR = 0x0000; |
| 66 | *pFIO0_FLAG_C = 0x1000; /* Clear PF12 */ |
| 67 | sync(); |
| 68 | *pFIO0_POLAR = 0x0000; |
| 69 | sync(); |
| 70 | |
| 71 | return 0; |
| 72 | } |
| 73 | #endif |