100 lines
2.0 KiB
C
100 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2015-2016 Freescale Semiconductor, Inc.
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* Copyright 2017 NXP
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*/
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#include <linux/module.h>
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#include <linux/debugfs.h>
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#include <linux/platform_device.h>
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#include "pfe_mod.h"
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static int dmem_show(struct seq_file *s, void *unused)
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{
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u32 dmem_addr, val;
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int id = (long int)s->private;
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int i;
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for (dmem_addr = 0; dmem_addr < CLASS_DMEM_SIZE; dmem_addr += 8 * 4) {
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seq_printf(s, "%04x:", dmem_addr);
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for (i = 0; i < 8; i++) {
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val = pe_dmem_read(id, dmem_addr + i * 4, 4);
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seq_printf(s, " %02x %02x %02x %02x", val & 0xff,
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(val >> 8) & 0xff, (val >> 16) & 0xff,
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(val >> 24) & 0xff);
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}
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seq_puts(s, "\n");
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}
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return 0;
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}
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static int dmem_open(struct inode *inode, struct file *file)
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{
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return single_open(file, dmem_show, inode->i_private);
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}
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static const struct file_operations dmem_fops = {
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.open = dmem_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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int pfe_debugfs_init(struct pfe *pfe)
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{
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struct dentry *d;
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pr_info("%s\n", __func__);
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pfe->dentry = debugfs_create_dir("pfe", NULL);
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if (IS_ERR_OR_NULL(pfe->dentry))
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goto err_dir;
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d = debugfs_create_file("pe0_dmem", 0444, pfe->dentry, (void *)0,
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&dmem_fops);
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if (IS_ERR_OR_NULL(d))
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goto err_pe;
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d = debugfs_create_file("pe1_dmem", 0444, pfe->dentry, (void *)1,
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&dmem_fops);
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if (IS_ERR_OR_NULL(d))
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goto err_pe;
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d = debugfs_create_file("pe2_dmem", 0444, pfe->dentry, (void *)2,
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&dmem_fops);
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if (IS_ERR_OR_NULL(d))
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goto err_pe;
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d = debugfs_create_file("pe3_dmem", 0444, pfe->dentry, (void *)3,
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&dmem_fops);
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if (IS_ERR_OR_NULL(d))
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goto err_pe;
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d = debugfs_create_file("pe4_dmem", 0444, pfe->dentry, (void *)4,
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&dmem_fops);
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if (IS_ERR_OR_NULL(d))
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goto err_pe;
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d = debugfs_create_file("pe5_dmem", 0444, pfe->dentry, (void *)5,
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&dmem_fops);
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if (IS_ERR_OR_NULL(d))
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goto err_pe;
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return 0;
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err_pe:
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debugfs_remove_recursive(pfe->dentry);
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err_dir:
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return -1;
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}
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void pfe_debugfs_exit(struct pfe *pfe)
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{
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debugfs_remove_recursive(pfe->dentry);
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}
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