diff options
Diffstat (limited to 'target/linux/rb1xx-2.6/files/arch/mips/adm5120/memory.c')
| -rw-r--r-- | target/linux/rb1xx-2.6/files/arch/mips/adm5120/memory.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/target/linux/rb1xx-2.6/files/arch/mips/adm5120/memory.c b/target/linux/rb1xx-2.6/files/arch/mips/adm5120/memory.c deleted file mode 100644 index e5c7f0c914..0000000000 --- a/target/linux/rb1xx-2.6/files/arch/mips/adm5120/memory.c +++ /dev/null @@ -1,135 +0,0 @@ -/***************************************************************************** - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * Copyright (C) 2003 ADMtek Incorporated. - * daniell@admtek.com.tw - * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org) - * - * ######################################################################## - * - * 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. - * - * ######################################################################## - * - *****************************************************************************/ - -#include <linux/autoconf.h> -#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/mips-boards/prom.h> - -extern char *prom_getenv(char *envname); - -#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) - -#define ADM5120_MEMCTRL 0x1200001c -#define ADM5120_MEMCTRL_SDRAM_MASK 0x7 - -static const unsigned long adm_sdramsize[] __initdata = { - 0x0, /* Reserved */ - 0x0400000, /* 4Mb */ - 0x0800000, /* 8Mb */ - 0x1000000, /* 16Mb */ - 0x4000000, /* 64Mb */ - 0x8000000, /* 128Mb */ -}; - -/* determined physical memory size, not overridden by command line args */ -unsigned long physical_memsize = 0L; - -struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS]; - -struct prom_pmemblock * __init prom_getmdesc(void) -{ - char *memsize_str; - unsigned int memsize; - char cmdline[CL_SIZE], *ptr; - - memsize_str = prom_getenv("memsize"); - - if (!memsize_str) - { - prom_printf("memsize not set in boot prom, set to default (8Mb)\n"); - physical_memsize = 0x00800000; - } - else -#ifdef DEBUG - prom_printf("prom_memsize = %s\n", memsize_str); -#endif - physical_memsize = simple_strtol(memsize_str, NULL, 0); - - /* 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 = BOOT_MEM_RAM; - mdesc[0].base = CPHYSADDR(PFN_ALIGN(&_end)); - mdesc[0].size = memsize - mdesc[0].base; - - return &mdesc[0]; -} - -void __init prom_meminit(void) -{ - struct prom_pmemblock *p; - - p = prom_getmdesc(); - - while (p->size) - { - long type; - unsigned long base, size; - base = p->base; - type = p->type, - size = p->size; - add_memory_region(base, size, type); - p++; - } -} - -#if 0 -void __init prom_meminit(void) -{ - unsigned long base = CPHYSADDR(PFN_ALIGN(&_end)); - unsigned long size; - - u32 memctrl = *(u32*)KSEG1ADDR(ADM5120_MEMCTRL); - size = adm_sdramsize[memctrl & ADM5120_MEMCTRL_SDRAM_MASK]; - add_memory_region(base, size-base, BOOT_MEM_RAM); -} -#endif - -unsigned long __init prom_free_prom_memory(void) -{ - /* We do not have to prom memory to free */ - return 0; -} |