1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2003 Keith M Wesolowski 7 * Copyright (C) 2005 Ilya A. Volynets (Total Knowledge) 8 */ 9 #include <linux/types.h> 10 #include <linux/init.h> 11 #include <linux/kernel.h> 12 #include <linux/mm.h> 13 14 #include <asm/ip32/crime.h> 15 #include <asm/bootinfo.h> 16 #include <asm/page.h> 17 #include <asm/pgtable.h> 18 #include <asm/pgalloc.h> 19 20 extern void crime_init(void); 21 22 void __init prom_meminit (void) 23 { 24 u64 base, size; 25 int bank; 26 27 crime_init(); 28 29 for (bank=0; bank < CRIME_MAXBANKS; bank++) { 30 u64 bankctl = crime->bank_ctrl[bank]; 31 base = (bankctl & CRIME_MEM_BANK_CONTROL_ADDR) << 25; 32 if (bank != 0 && base == 0) 33 continue; 34 size = (bankctl & CRIME_MEM_BANK_CONTROL_SDRAM_SIZE) ? 128 : 32; 35 size <<= 20; 36 if (base + size > (256 << 20)) 37 base += CRIME_HI_MEM_BASE; 38 39 printk("CRIME MC: bank %u base 0x%016lx size %luMiB\n", 40 bank, base, size >> 20); 41 add_memory_region (base, size, BOOT_MEM_RAM); 42 } 43 } 44 45 46 unsigned long __init prom_free_prom_memory (void) 47 { 48 return 0; 49 } 50