diff options
Diffstat (limited to 'arch/v850/kernel/setup.c')
| -rw-r--r-- | arch/v850/kernel/setup.c | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/arch/v850/kernel/setup.c b/arch/v850/kernel/setup.c index c41d72b01b8..abd48409dcc 100644 --- a/arch/v850/kernel/setup.c +++ b/arch/v850/kernel/setup.c @@ -1,8 +1,8 @@ /* * arch/v850/kernel/setup.c -- Arch-dependent initialization functions * - * Copyright (C) 2001,02,03 NEC Electronics Corporation - * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> + * Copyright (C) 2001,02,03,05 NEC Electronics Corporation + * Copyright (C) 2001,02,03,05 Miles Bader <miles@gnu.org> * * 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 @@ -98,10 +98,20 @@ void __init trap_init (void) } #ifdef CONFIG_MTD + +/* From drivers/mtd/devices/slram.c */ +#define SLRAM_BLK_SZ 0x4000 + /* Set the root filesystem to be the given memory region. Some parameter may be appended to CMD_LINE. */ void set_mem_root (void *addr, size_t len, char *cmd_line) { + /* Some sort of idiocy in MTD means we must supply a length that's + a multiple of SLRAM_BLK_SZ. We just round up the real length, + as the file system shouldn't attempt to access anything beyond + the end of the image anyway. */ + len = (((len - 1) + SLRAM_BLK_SZ) / SLRAM_BLK_SZ) * SLRAM_BLK_SZ; + /* The only way to pass info to the MTD slram driver is via the command line. */ if (*cmd_line) { @@ -284,3 +294,33 @@ init_mem_alloc (unsigned long ram_start, unsigned long ram_len) free_area_init_node (0, NODE_DATA(0), zones_size, ADDR_TO_PAGE (PAGE_OFFSET), 0); } + + + +/* Taken from m68knommu */ +void show_mem(void) +{ + unsigned long i; + int free = 0, total = 0, reserved = 0, shared = 0; + int cached = 0; + + printk(KERN_INFO "\nMem-info:\n"); + show_free_areas(); + i = max_mapnr; + while (i-- > 0) { + total++; + if (PageReserved(mem_map+i)) + reserved++; + else if (PageSwapCache(mem_map+i)) + cached++; + else if (!page_count(mem_map+i)) + free++; + else + shared += page_count(mem_map+i) - 1; + } + printk(KERN_INFO "%d pages of RAM\n",total); + printk(KERN_INFO "%d free pages\n",free); + printk(KERN_INFO "%d reserved pages\n",reserved); + printk(KERN_INFO "%d pages shared\n",shared); + printk(KERN_INFO "%d pages swap cached\n",cached); +} |