MIPS: Add support for NXP PNX833x (STB222/5) into linux kernel

[pandora-kernel.git] / arch / mips / nxp / pnx833x / common / prom.c

diff --git a/arch/mips/nxp/pnx833x/common/prom.c b/arch/mips/nxp/pnx833x/common/prom.c
new file mode 100644 (file)
index 0000000..2a41e8f
--- /dev/null
+++ b/arch/mips/nxp/pnx833x/common/prom.c
@@ -0,0 +1,70 @@
+/*
+ *  prom.c:
+ *
+ *  Copyright 2008 NXP Semiconductors
+ *       Chris Steel <chris.steel@nxp.com>
+ *    Daniel Laird <daniel.j.laird@nxp.com>
+ *
+ *  Based on software written by:
+ *      Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code.
+ *
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/init.h>
+#include <asm/bootinfo.h>
+#include <linux/string.h>
+
+void __init prom_init_cmdline(void)
+{
+       int argc = fw_arg0;
+       char **argv = (char **)fw_arg1;
+       char *c = &(arcs_cmdline[0]);
+       int i;
+
+       for (i = 1; i < argc; i++) {
+               strcpy(c, argv[i]);
+               c += strlen(argv[i]);
+               if (i < argc-1)
+                       *c++ = ' ';
+       }
+       *c = 0;
+}
+
+char __init *prom_getenv(char *envname)
+{
+       extern char **prom_envp;
+       char **env = prom_envp;
+       int i;
+
+       i = strlen(envname);
+
+       while (*env) {
+               if (strncmp(envname, *env, i) == 0 && *(*env+i) == '=')
+                       return *env + i + 1;
+               env++;
+       }
+
+       return 0;
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+char * __init prom_getcmdline(void)
+{
+       return arcs_cmdline;
+}
+