/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * PROM library functions for acquiring/using memory descriptors given to * us from the YAMON. * * Copyright (C) 1999,2000,2012 MIPS Technologies, Inc. * All rights reserved. * Authors: Carsten Langgaard <carstenl@mips.com> * Steven J. Hill <sjhill@mips.com> */ #include <linux/init.h> #include <linux/memblock.h> #include <linux/string.h> #include <asm/bootinfo.h> #include <asm/cdmm.h> #include <asm/maar.h> #include <asm/sections.h> #include <asm/fw/fw.h> /* determined physical memory size, not overridden by command line args */ unsigned long physical_memsize = 0L; static void free_init_pages_eva_malta(void *begin, void *end) { free_init_pages("unused kernel", __pa_symbol((unsigned long *)begin), __pa_symbol((unsigned long *)end)); } void __init fw_meminit(void) { bool eva = IS_ENABLED(CONFIG_EVA); free_init_pages_eva = eva ? free_init_pages_eva_malta : NULL; } phys_addr_t mips_cdmm_phys_base(void) { /* This address is "typically unused" */ return 0x1fc10000; }