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Diffstat (limited to 'arch/arm/mach-s3c24xx/cpufreq-debugfs.c')
-rw-r--r--arch/arm/mach-s3c24xx/cpufreq-debugfs.c198
1 files changed, 0 insertions, 198 deletions
diff --git a/arch/arm/mach-s3c24xx/cpufreq-debugfs.c b/arch/arm/mach-s3c24xx/cpufreq-debugfs.c
deleted file mode 100644
index 9b7b4289d66c..000000000000
--- a/arch/arm/mach-s3c24xx/cpufreq-debugfs.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * Copyright (c) 2009 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C24XX CPU Frequency scaling - debugfs status support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/export.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/cpufreq.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/err.h>
-
-#include <plat/cpu-freq-core.h>
-
-static struct dentry *dbgfs_root;
-static struct dentry *dbgfs_file_io;
-static struct dentry *dbgfs_file_info;
-static struct dentry *dbgfs_file_board;
-
-#define print_ns(x) ((x) / 10), ((x) % 10)
-
-static void show_max(struct seq_file *seq, struct s3c_freq *f)
-{
- seq_printf(seq, "MAX: F=%lu, H=%lu, P=%lu, A=%lu\n",
- f->fclk, f->hclk, f->pclk, f->armclk);
-}
-
-static int board_show(struct seq_file *seq, void *p)
-{
- struct s3c_cpufreq_config *cfg;
- struct s3c_cpufreq_board *brd;
-
- cfg = s3c_cpufreq_getconfig();
- if (!cfg) {
- seq_printf(seq, "no configuration registered\n");
- return 0;
- }
-
- brd = cfg->board;
- if (!brd) {
- seq_printf(seq, "no board definition set?\n");
- return 0;
- }
-
- seq_printf(seq, "SDRAM refresh %u ns\n", brd->refresh);
- seq_printf(seq, "auto_io=%u\n", brd->auto_io);
- seq_printf(seq, "need_io=%u\n", brd->need_io);
-
- show_max(seq, &brd->max);
-
-
- return 0;
-}
-
-static int fops_board_open(struct inode *inode, struct file *file)
-{
- return single_open(file, board_show, NULL);
-}
-
-static const struct file_operations fops_board = {
- .open = fops_board_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static int info_show(struct seq_file *seq, void *p)
-{
- struct s3c_cpufreq_config *cfg;
-
- cfg = s3c_cpufreq_getconfig();
- if (!cfg) {
- seq_printf(seq, "no configuration registered\n");
- return 0;
- }
-
- seq_printf(seq, " FCLK %ld Hz\n", cfg->freq.fclk);
- seq_printf(seq, " HCLK %ld Hz (%lu.%lu ns)\n",
- cfg->freq.hclk, print_ns(cfg->freq.hclk_tns));
- seq_printf(seq, " PCLK %ld Hz\n", cfg->freq.hclk);
- seq_printf(seq, "ARMCLK %ld Hz\n", cfg->freq.armclk);
- seq_printf(seq, "\n");
-
- show_max(seq, &cfg->max);
-
- seq_printf(seq, "Divisors: P=%d, H=%d, A=%d, dvs=%s\n",
- cfg->divs.h_divisor, cfg->divs.p_divisor,
- cfg->divs.arm_divisor, cfg->divs.dvs ? "on" : "off");
- seq_printf(seq, "\n");
-
- seq_printf(seq, "lock_pll=%u\n", cfg->lock_pll);
-
- return 0;
-}
-
-static int fops_info_open(struct inode *inode, struct file *file)
-{
- return single_open(file, info_show, NULL);
-}
-
-static const struct file_operations fops_info = {
- .open = fops_info_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static int io_show(struct seq_file *seq, void *p)
-{
- void (*show_bank)(struct seq_file *, struct s3c_cpufreq_config *, union s3c_iobank *);
- struct s3c_cpufreq_config *cfg;
- struct s3c_iotimings *iot;
- union s3c_iobank *iob;
- int bank;
-
- cfg = s3c_cpufreq_getconfig();
- if (!cfg) {
- seq_printf(seq, "no configuration registered\n");
- return 0;
- }
-
- show_bank = cfg->info->debug_io_show;
- if (!show_bank) {
- seq_printf(seq, "no code to show bank timing\n");
- return 0;
- }
-
- iot = s3c_cpufreq_getiotimings();
- if (!iot) {
- seq_printf(seq, "no io timings registered\n");
- return 0;
- }
-
- seq_printf(seq, "hclk period is %lu.%lu ns\n", print_ns(cfg->freq.hclk_tns));
-
- for (bank = 0; bank < MAX_BANKS; bank++) {
- iob = &iot->bank[bank];
-
- seq_printf(seq, "bank %d: ", bank);
-
- if (!iob->io_2410) {
- seq_printf(seq, "nothing set\n");
- continue;
- }
-
- show_bank(seq, cfg, iob);
- }
-
- return 0;
-}
-
-static int fops_io_open(struct inode *inode, struct file *file)
-{
- return single_open(file, io_show, NULL);
-}
-
-static const struct file_operations fops_io = {
- .open = fops_io_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-
-static int __init s3c_freq_debugfs_init(void)
-{
- dbgfs_root = debugfs_create_dir("s3c-cpufreq", NULL);
- if (IS_ERR(dbgfs_root)) {
- printk(KERN_ERR "%s: error creating debugfs root\n", __func__);
- return PTR_ERR(dbgfs_root);
- }
-
- dbgfs_file_io = debugfs_create_file("io-timing", S_IRUGO, dbgfs_root,
- NULL, &fops_io);
-
- dbgfs_file_info = debugfs_create_file("info", S_IRUGO, dbgfs_root,
- NULL, &fops_info);
-
- dbgfs_file_board = debugfs_create_file("board", S_IRUGO, dbgfs_root,
- NULL, &fops_board);
-
- return 0;
-}
-
-late_initcall(s3c_freq_debugfs_init);
-