Patch by Greg Ungerer, 19 May 2005:

add support for the OpenGear CM4008 board

diff --git a/board/cm4008/cm4008.c b/board/cm4008/cm4008.c
new file mode 100644 (file)
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);
+}