aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin/kernel/cplb-mpu/cplbinfo.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/kernel/cplb-mpu/cplbinfo.c')
-rw-r--r--arch/blackfin/kernel/cplb-mpu/cplbinfo.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinfo.c b/arch/blackfin/kernel/cplb-mpu/cplbinfo.c
deleted file mode 100644
index 822beefa3a4..00000000000
--- a/arch/blackfin/kernel/cplb-mpu/cplbinfo.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * File: arch/blackfin/mach-common/cplbinfo.c
- * Based on:
- * Author: Sonic Zhang <sonic.zhang@analog.com>
- *
- * Created: Jan. 2005
- * Description: Display CPLB status
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/proc_fs.h>
-#include <linux/uaccess.h>
-
-#include <asm/current.h>
-#include <asm/system.h>
-#include <asm/cplb.h>
-#include <asm/cplbinit.h>
-#include <asm/blackfin.h>
-
-static char page_size_string_table[][4] = { "1K", "4K", "1M", "4M" };
-
-static char *cplb_print_entry(char *buf, struct cplb_entry *tbl, int switched)
-{
- int i;
- buf += sprintf(buf, "Index\tAddress\t\tData\tSize\tU/RD\tU/WR\tS/WR\tSwitch\n");
- for (i = 0; i < MAX_CPLBS; i++) {
- unsigned long data = tbl[i].data;
- unsigned long addr = tbl[i].addr;
- if (!(data & CPLB_VALID))
- continue;
-
- buf +=
- sprintf(buf,
- "%d\t0x%08lx\t%06lx\t%s\t%c\t%c\t%c\t%c\n",
- i, addr, data,
- page_size_string_table[(data & 0x30000) >> 16],
- (data & CPLB_USER_RD) ? 'Y' : 'N',
- (data & CPLB_USER_WR) ? 'Y' : 'N',
- (data & CPLB_SUPV_WR) ? 'Y' : 'N',
- i < switched ? 'N' : 'Y');
- }
- buf += sprintf(buf, "\n");
-
- return buf;
-}
-
-int cplbinfo_proc_output(char *buf)
-{
- char *p;
-
- p = buf;
-
- p += sprintf(p, "------------------ CPLB Information ------------------\n\n");
-
- if (bfin_read_IMEM_CONTROL() & ENICPLB) {
- p += sprintf(p, "Instruction CPLB entry:\n");
- p = cplb_print_entry(p, icplb_tbl, first_switched_icplb);
- } else
- p += sprintf(p, "Instruction CPLB is disabled.\n\n");
-
- if (1 || bfin_read_DMEM_CONTROL() & ENDCPLB) {
- p += sprintf(p, "Data CPLB entry:\n");
- p = cplb_print_entry(p, dcplb_tbl, first_switched_dcplb);
- } else
- p += sprintf(p, "Data CPLB is disabled.\n");
-
- p += sprintf(p, "ICPLB miss: %d\nICPLB supervisor miss: %d\n",
- nr_icplb_miss, nr_icplb_supv_miss);
- p += sprintf(p, "DCPLB miss: %d\nDCPLB protection fault:%d\n",
- nr_dcplb_miss, nr_dcplb_prot);
- p += sprintf(p, "CPLB flushes: %d\n",
- nr_cplb_flush);
-
- return p - buf;
-}
-
-static int cplbinfo_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- int len;
-
- len = cplbinfo_proc_output(page);
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- len -= off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
- return len;
-}
-
-static int __init cplbinfo_init(void)
-{
- struct proc_dir_entry *entry;
-
- entry = create_proc_entry("cplbinfo", 0, NULL);
- if (!entry)
- return -ENOMEM;
-
- entry->read_proc = cplbinfo_read_proc;
- entry->data = NULL;
-
- return 0;
-}
-
-static void __exit cplbinfo_exit(void)
-{
- remove_proc_entry("cplbinfo", NULL);
-}
-
-module_init(cplbinfo_init);
-module_exit(cplbinfo_exit);