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-rw-r--r--arch/mips/mips-boards/generic/memory.c183
1 files changed, 0 insertions, 183 deletions
diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c
deleted file mode 100644
index 5e443bba566..00000000000
--- a/arch/mips/mips-boards/generic/memory.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * PROM library functions for acquiring/using memory descriptors given to
- * us from the YAMON.
- */
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/pfn.h>
-#include <linux/string.h>
-
-#include <asm/bootinfo.h>
-#include <asm/page.h>
-#include <asm/sections.h>
-
-#include <asm/mips-boards/prom.h>
-
-/*#define DEBUG*/
-
-enum yamon_memtypes {
- yamon_dontuse,
- yamon_prom,
- yamon_free,
-};
-static struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS];
-
-#ifdef DEBUG
-static char *mtypes[3] = {
- "Dont use memory",
- "YAMON PROM memory",
- "Free memmory",
-};
-#endif
-
-/* determined physical memory size, not overridden by command line args */
-unsigned long physical_memsize = 0L;
-
-static struct prom_pmemblock * __init prom_getmdesc(void)
-{
- char *memsize_str;
- unsigned int memsize;
- char cmdline[CL_SIZE], *ptr;
-
- /* otherwise look in the environment */
- memsize_str = prom_getenv("memsize");
- if (!memsize_str) {
- printk(KERN_WARNING
- "memsize not set in boot prom, set to default (32Mb)\n");
- physical_memsize = 0x02000000;
- } else {
-#ifdef DEBUG
- pr_debug("prom_memsize = %s\n", memsize_str);
-#endif
- physical_memsize = simple_strtol(memsize_str, NULL, 0);
- }
-
-#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;
-
-#ifdef CONFIG_MIPS_MALTA
- /*
- * 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;
-#else
- mdesc[2].type = yamon_prom;
- mdesc[2].base = 0x000f0000;
- mdesc[2].size = 0x00010000;
-#endif
-
- 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;
-
-#ifdef DEBUG
- pr_debug("YAMON MEMORY DESCRIPTOR dump:\n");
- p = prom_getmdesc();
- while (p->size) {
- int i = 0;
- pr_debug("[%d,%p]: base<%08lx> size<%08lx> type<%s>\n",
- i, p, p->base, p->size, mtypes[p->type]);
- p++;
- i++;
- }
-#endif
- 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);
- }
-}