/*
* 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) 2001,02,03,05,06 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03,05,06 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
#include <linux/major.h>
#include <linux/root_dev.h>
#include <linux/mtd/mtd.h>
+#include <linux/init.h>
#include <asm/irq.h>
+#include <asm/setup.h>
#include "mach.h"
extern char _root_fs_image_end __attribute__ ((__weak__));
-char command_line[512];
-char saved_command_line[512];
+char command_line[COMMAND_LINE_SIZE];
/* Memory not used by the kernel. */
static unsigned long total_ram_pages;
{
/* Keep a copy of command line */
*cmdline = command_line;
- memcpy (saved_command_line, command_line, sizeof saved_command_line);
- saved_command_line[sizeof saved_command_line - 1] = '\0';
+ memcpy (saved_command_line, command_line, COMMAND_LINE_SIZE);
+ saved_command_line[COMMAND_LINE_SIZE - 1] = '\0';
console_verbose ();
}
#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) {
}
static struct hw_interrupt_type nmi_irq_type = {
- "NMI",
- irq_zero, /* startup */
- irq_nop, /* shutdown */
- irq_nop, /* enable */
- irq_nop, /* disable */
- irq_nop, /* ack */
- nmi_end, /* end */
+ .typename = "NMI",
+ .startup = irq_zero, /* startup */
+ .shutdown = irq_nop, /* shutdown */
+ .enable = irq_nop, /* enable */
+ .disable = irq_nop, /* disable */
+ .ack = irq_nop, /* ack */
+ .end = nmi_end, /* end */
};
void __init init_IRQ (void)
for (addr = start; addr < end; addr += PAGE_SIZE) {
struct page *page = virt_to_page (addr);
ClearPageReserved (page);
- set_page_count (page, 1);
+ init_page_count (page);
__free_page (page);
total_ram_pages++;
}
#if ((PAGE_OFFSET >> PAGE_SHIFT) & ((1UL << (MAX_ORDER - 1)) - 1))
#error MAX_ORDER is too large for given PAGE_OFFSET (use CONFIG_FORCE_MAX_ZONEORDER to change it)
#endif
-
- free_area_init_node (0, NODE_DATA(0), 0, zones_size,
+ NODE_DATA(0)->node_mem_map = NULL;
+ free_area_init_node (0, NODE_DATA(0), zones_size,
ADDR_TO_PAGE (PAGE_OFFSET), 0);
- mem_map = NODE_DATA(0)->node_mem_map;
+}
+
+\f
+
+/* 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);
}