diff options
Diffstat (limited to 'board/cm4008/cm4008.c')
| -rw-r--r-- | board/cm4008/cm4008.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/board/cm4008/cm4008.c b/board/cm4008/cm4008.c new file mode 100644 index 0000000..a306f25 --- /dev/null +++ b/board/cm4008/cm4008.c @@ -0,0 +1,101 @@ +/* + * (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> + +/* ------------------------------------------------------------------------- */ + +#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=16M initrd=0x400000,6M 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) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* arch number of CM4008 */ + gd->bd->bi_arch_number = 624; + + /* 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) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return (0); +} |