diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-01-08 16:24:38 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-01-08 16:24:38 +1100 |
commit | 24f030175d30f019be41766cdf88c2ff03de19ff (patch) | |
tree | 354232a84e82d5a721ed7b1a9af580ff2a59be8f /arch/blackfin/kernel/cplb-mpu/cplbinfo.c | |
parent | 4aa12f7b927c3cac0e0cf3503642597527d0ece0 (diff) | |
parent | 9e42d0cf5020aaf217433cad1a224745241d212a (diff) |
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/blackfin/kernel/cplb-mpu/cplbinfo.c')
-rw-r--r-- | arch/blackfin/kernel/cplb-mpu/cplbinfo.c | 136 |
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); |