/* * (C) Copyright 2005 * Greg Ungerer, OpenGear Inc, <greg.ungerer@opengear.com> * * (C) Copyright 2002 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net * * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.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 <common.h> #include <asm/arch/platform.h> DECLARE_GLOBAL_DATA_PTR; /* ------------------------------------------------------------------------- */ #define ks8695_read(a) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) #define ks8695_write(a,b) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) = (b) /* ------------------------------------------------------------------------- */ /* * Miscelaneous platform dependent initialisations */ int env_flash_cmdline (void) { unsigned char *sp = (unsigned char *) 0x0201c020; unsigned char *ep; int len; /* Check if "erase" push button is depressed */ if ((ks8695_read(KS8695_GPIO_DATA) & 0x8) == 0) { printf("### Entering network recovery mode...\n"); setenv("bootargs", "console=ttyAM0,115200 mem=32M initrd=0x400000,8M root=/dev/ram0"); setenv("bootcmd", "bootp 0x400000; gofsk 0x400000"); setenv("bootdelay", "2"); return 0; } /* Check for flash based kernel boot args to use as default */ for (ep = sp, len = 0; ((len < 1024) && (*ep != 0)); ep++, len++) ; if ((len > 0) && (len <1024)) setenv("bootargs", sp); return 0; } int board_late_init (void) { return 0; } int board_init (void) { /* arch number of CM41xx */ gd->bd->bi_arch_number = 672; /* adress of boot parameters */ gd->bd->bi_boot_params = 0x00000100; /* power down all but port 0 on the switch */ ks8695_write(KS8695_SWITCH_LPPM12, 0x00000005); ks8695_write(KS8695_SWITCH_LPPM34, 0x00050005); return 0; } int dram_init (void) { gd->bd->bi_dram[0].start = PHYS_SDRAM_1; gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; return (0); }