diff options
Diffstat (limited to 'arch/mips/ar7/memory.c')
| -rw-r--r-- | arch/mips/ar7/memory.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/mips/ar7/memory.c b/arch/mips/ar7/memory.c deleted file mode 100644 index ad6efb36ebfe..000000000000 --- a/arch/mips/ar7/memory.c +++ /dev/null @@ -1,56 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2007 Eugene Konev <ejka@openwrt.org> - */ -#include <linux/memblock.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/pfn.h> -#include <linux/proc_fs.h> -#include <linux/string.h> -#include <linux/swap.h> - -#include <asm/bootinfo.h> -#include <asm/page.h> -#include <asm/sections.h> - -#include <asm/mach-ar7/ar7.h> - -static int __init memsize(void) -{ - u32 size = (64 << 20); - u32 *addr = (u32 *)KSEG1ADDR(AR7_SDRAM_BASE + size - 4); - u32 *kernel_end = (u32 *)KSEG1ADDR(CPHYSADDR((u32)&_end)); - u32 *tmpaddr = addr; - - while (tmpaddr > kernel_end) { - *tmpaddr = (u32)tmpaddr; - size >>= 1; - tmpaddr -= size >> 2; - } - - do { - tmpaddr += size >> 2; - if (*tmpaddr != (u32)tmpaddr) - break; - size <<= 1; - } while (size < (64 << 20)); - - writel((u32)tmpaddr, &addr); - - return size; -} - -void __init prom_meminit(void) -{ - unsigned long pages; - - pages = memsize() >> PAGE_SHIFT; - add_memory_region(PHYS_OFFSET, pages << PAGE_SHIFT, BOOT_MEM_RAM); -} - -void __init prom_free_prom_memory(void) -{ - /* Nothing to free */ -} |