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-rw-r--r--arch/v850/kernel/setup.c44
1 files changed, 42 insertions, 2 deletions
diff --git a/arch/v850/kernel/setup.c b/arch/v850/kernel/setup.c
index c41d72b01b88..abd48409dcca 100644
--- a/arch/v850/kernel/setup.c
+++ b/arch/v850/kernel/setup.c
@@ -1,8 +1,8 @@
1/* 1/*
2 * arch/v850/kernel/setup.c -- Arch-dependent initialization functions 2 * arch/v850/kernel/setup.c -- Arch-dependent initialization functions
3 * 3 *
4 * Copyright (C) 2001,02,03 NEC Electronics Corporation 4 * Copyright (C) 2001,02,03,05 NEC Electronics Corporation
5 * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> 5 * Copyright (C) 2001,02,03,05 Miles Bader <miles@gnu.org>
6 * 6 *
7 * This file is subject to the terms and conditions of the GNU General 7 * This file is subject to the terms and conditions of the GNU General
8 * Public License. See the file COPYING in the main directory of this 8 * Public License. See the file COPYING in the main directory of this
@@ -98,10 +98,20 @@ void __init trap_init (void)
98} 98}
99 99
100#ifdef CONFIG_MTD 100#ifdef CONFIG_MTD
101
102/* From drivers/mtd/devices/slram.c */
103#define SLRAM_BLK_SZ 0x4000
104
101/* Set the root filesystem to be the given memory region. 105/* Set the root filesystem to be the given memory region.
102 Some parameter may be appended to CMD_LINE. */ 106 Some parameter may be appended to CMD_LINE. */
103void set_mem_root (void *addr, size_t len, char *cmd_line) 107void set_mem_root (void *addr, size_t len, char *cmd_line)
104{ 108{
109 /* Some sort of idiocy in MTD means we must supply a length that's
110 a multiple of SLRAM_BLK_SZ. We just round up the real length,
111 as the file system shouldn't attempt to access anything beyond
112 the end of the image anyway. */
113 len = (((len - 1) + SLRAM_BLK_SZ) / SLRAM_BLK_SZ) * SLRAM_BLK_SZ;
114
105 /* The only way to pass info to the MTD slram driver is via 115 /* The only way to pass info to the MTD slram driver is via
106 the command line. */ 116 the command line. */
107 if (*cmd_line) { 117 if (*cmd_line) {
@@ -284,3 +294,33 @@ init_mem_alloc (unsigned long ram_start, unsigned long ram_len)
284 free_area_init_node (0, NODE_DATA(0), zones_size, 294 free_area_init_node (0, NODE_DATA(0), zones_size,
285 ADDR_TO_PAGE (PAGE_OFFSET), 0); 295 ADDR_TO_PAGE (PAGE_OFFSET), 0);
286} 296}
297
298
299
300/* Taken from m68knommu */
301void show_mem(void)
302{
303 unsigned long i;
304 int free = 0, total = 0, reserved = 0, shared = 0;
305 int cached = 0;
306
307 printk(KERN_INFO "\nMem-info:\n");
308 show_free_areas();
309 i = max_mapnr;
310 while (i-- > 0) {
311 total++;
312 if (PageReserved(mem_map+i))
313 reserved++;
314 else if (PageSwapCache(mem_map+i))
315 cached++;
316 else if (!page_count(mem_map+i))
317 free++;
318 else
319 shared += page_count(mem_map+i) - 1;
320 }
321 printk(KERN_INFO "%d pages of RAM\n",total);
322 printk(KERN_INFO "%d free pages\n",free);
323 printk(KERN_INFO "%d reserved pages\n",reserved);
324 printk(KERN_INFO "%d pages shared\n",shared);
325 printk(KERN_INFO "%d pages swap cached\n",cached);
326}