blob: fb2a8673a6bf5c0b1d8ef9f150f8531a7f48c360 [file] [log] [blame]
Ralf Baechle07119622005-09-03 15:56:11 -07001#include <linux/init.h>
Ralf Baechlefe3d7282005-11-28 13:15:08 +00002#include <linux/string.h>
3#include <asm/addrspace.h>
Ralf Baechle07119622005-09-03 15:56:11 -07004#include <asm/bootinfo.h>
5
6void __init prom_init(void)
7{
Ralf Baechlefe3d7282005-11-28 13:15:08 +00008 int *cmdline;
9
10 cmdline = (int *) (CKSEG0 + (0x10 << 20) - 260);
11 if (*cmdline == 0x12345678) {
12 if (*(char *)(cmdline + 1))
13 strcpy (arcs_cmdline, (char *)(cmdline + 1));
14 add_memory_region(0x0<<20, cmdline[-1], BOOT_MEM_RAM);
15 } else {
16 add_memory_region(0x0<<20, 0x10<<20, BOOT_MEM_RAM);
17 }
Ralf Baechle07119622005-09-03 15:56:11 -070018}