From 654589873dbafcf104dff133ce0d03a4506e9cc3 Mon Sep 17 00:00:00 2001 From: Aubrey Li Date: Tue, 20 Mar 2007 18:16:24 +0800 Subject: [Blackfin][PATCH] Add BF561 EZKIT board support --- board/bf561-ezkit/bf561-ezkit.c | 73 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 board/bf561-ezkit/bf561-ezkit.c (limited to 'board/bf561-ezkit/bf561-ezkit.c') diff --git a/board/bf561-ezkit/bf561-ezkit.c b/board/bf561-ezkit/bf561-ezkit.c new file mode 100644 index 0000000..71281c0 --- /dev/null +++ b/board/bf561-ezkit/bf561-ezkit.c @@ -0,0 +1,73 @@ +/* + * U-boot - ezkit561.c + * + * Copyright (c) 2005 Bas Vermeulen + * Copyright (c) 2005 blackfin.uclinux.org + * + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 +#include + +int checkboard(void) +{ + printf("CPU: ADSP BF561\n"); + printf("Board: ADI BF561 EZ-Kit Lite board\n"); + printf(" Support: http://blackfin.uclinux.org/\n"); + return 0; +} + +long int initdram(int board_type) +{ + DECLARE_GLOBAL_DATA_PTR; +#ifdef DEBUG + int brate; + char *tmp = getenv("baudrate"); + brate = simple_strtoul(tmp, NULL, 16); + printf("Serial Port initialized with Baud rate = %x\n", brate); + printf("SDRAM attributes:\n"); + printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles" + "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n", + 3, 3, 6, 2, 3); + printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE); + printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20); +#endif + gd->bd->bi_memstart = CFG_SDRAM_BASE; + gd->bd->bi_memsize = CFG_MAX_RAM_SIZE; + return CFG_MAX_RAM_SIZE; +} + +#if defined(CONFIG_MISC_INIT_R) +/* miscellaneous platform dependent initialisations */ +int misc_init_r(void) +{ + /* Keep PF12 low to be able to drive the USB-LAN Extender */ + *pFIO0_DIR = 0x0000; + *pFIO0_FLAG_C = 0x1000; /* Clear PF12 */ + sync(); + *pFIO0_POLAR = 0x0000; + sync(); + + return 0; +} +#endif -- cgit v1.1