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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/mips/mti-malta/malta-memory.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 000000000..952018812 --- /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; +} |