diff options
Diffstat (limited to 'arch/mips/mti-malta/malta-memory.c')
-rw-r--r-- | arch/mips/mti-malta/malta-memory.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c new file mode 100644 index 0000000000..9520188128 --- /dev/null +++ b/arch/mips/mti-malta/malta-memory.c @@ -0,0 +1,44 @@ +/* + * 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; +} |