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-rw-r--r--arch/mips/mti-sead3/sead3-memory.c138
1 files changed, 0 insertions, 138 deletions
diff --git a/arch/mips/mti-sead3/sead3-memory.c b/arch/mips/mti-sead3/sead3-memory.c
deleted file mode 100644
index da9244106f8..00000000000
--- a/arch/mips/mti-sead3/sead3-memory.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * 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.
- *
- * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
- */
-#include <linux/bootmem.h>
-
-#include <asm/bootinfo.h>
-#include <asm/sections.h>
-#include <asm/mips-boards/prom.h>
-
-enum yamon_memtypes {
- yamon_dontuse,
- yamon_prom,
- yamon_free,
-};
-
-static struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS];
-
-/* determined physical memory size, not overridden by command line args */
-unsigned long physical_memsize = 0L;
-
-struct prom_pmemblock * __init prom_getmdesc(void)
-{
- char *memsize_str, *ptr;
- unsigned int memsize;
- static char cmdline[COMMAND_LINE_SIZE] __initdata;
- long val;
- int tmp;
-
- /* otherwise look in the environment */
- memsize_str = prom_getenv("memsize");
- if (!memsize_str) {
- pr_warn("memsize not set in boot prom, set to default 32Mb\n");
- physical_memsize = 0x02000000;
- } else {
- tmp = kstrtol(memsize_str, 0, &val);
- physical_memsize = (unsigned long)val;
- }
-
-#ifdef CONFIG_CPU_BIG_ENDIAN
- /* SOC-it swaps, or perhaps doesn't swap, when DMA'ing the last
- word of physical memory */
- physical_memsize -= PAGE_SIZE;
-#endif
-
- /* Check the command line for a memsize directive that overrides
- the physical/default amount */
- strcpy(cmdline, arcs_cmdline);
- ptr = strstr(cmdline, "memsize=");
- if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' '))
- ptr = strstr(ptr, " memsize=");
-
- if (ptr)
- memsize = memparse(ptr + 8, &ptr);
- else
- memsize = physical_memsize;
-
- memset(mdesc, 0, sizeof(mdesc));
-
- mdesc[0].type = yamon_dontuse;
- mdesc[0].base = 0x00000000;
- mdesc[0].size = 0x00001000;
-
- mdesc[1].type = yamon_prom;
- mdesc[1].base = 0x00001000;
- mdesc[1].size = 0x000ef000;
-
- /*
- * The area 0x000f0000-0x000fffff is allocated for BIOS memory by the
- * south bridge and PCI access always forwarded to the ISA Bus and
- * BIOSCS# is always generated.
- * This mean that this area can't be used as DMA memory for PCI
- * devices.
- */
- mdesc[2].type = yamon_dontuse;
- mdesc[2].base = 0x000f0000;
- mdesc[2].size = 0x00010000;
-
- mdesc[3].type = yamon_dontuse;
- mdesc[3].base = 0x00100000;
- mdesc[3].size = CPHYSADDR(PFN_ALIGN((unsigned long)&_end)) -
- mdesc[3].base;
-
- mdesc[4].type = yamon_free;
- mdesc[4].base = CPHYSADDR(PFN_ALIGN(&_end));
- mdesc[4].size = memsize - mdesc[4].base;
-
- return &mdesc[0];
-}
-
-static int __init prom_memtype_classify(unsigned int type)
-{
- switch (type) {
- case yamon_free:
- return BOOT_MEM_RAM;
- case yamon_prom:
- return BOOT_MEM_ROM_DATA;
- default:
- return BOOT_MEM_RESERVED;
- }
-}
-
-void __init prom_meminit(void)
-{
- struct prom_pmemblock *p;
-
- p = prom_getmdesc();
-
- while (p->size) {
- long type;
- unsigned long base, size;
-
- type = prom_memtype_classify(p->type);
- base = p->base;
- size = p->size;
-
- add_memory_region(base, size, type);
- p++;
- }
-}
-
-void __init prom_free_prom_memory(void)
-{
- unsigned long addr;
- int i;
-
- for (i = 0; i < boot_mem_map.nr_map; i++) {
- if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA)
- continue;
-
- addr = boot_mem_map.map[i].addr;
- free_init_pages("prom memory",
- addr, addr + boot_mem_map.map[i].size);
- }
-}