/* * Copyright 2010 Benjamin Herrenschmidt, IBM Corp * * and David Gibson, IBM Corporation. * * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include const struct scom_controller *scom_controller; EXPORT_SYMBOL_GPL(scom_controller); struct device_node *scom_find_parent(struct device_node *node) { struct device_node *par, *tmp; const u32 *p; for (par = of_node_get(node); par;) { if (of_get_property(par, "scom-controller", NULL)) break; p = of_get_property(par, "scom-parent", NULL); tmp = par; if (p == NULL) par = of_get_parent(par); else par = of_find_node_by_phandle(*p); of_node_put(tmp); } return par; } EXPORT_SYMBOL_GPL(scom_find_parent); scom_map_t scom_map_device(struct device_node *dev, int index) { struct device_node *parent; unsigned int cells, size; const u32 *prop; u64 reg, cnt; scom_map_t ret; parent = scom_find_parent(dev); if (parent == NULL) return 0; prop = of_get_property(parent, "#scom-cells", NULL); cells = prop ? *prop : 1; prop = of_get_property(dev, "scom-reg", &size); if (!prop) return 0; size >>= 2; if (index >= (size / (2*cells))) return 0; reg = of_read_number(&prop[index * cells * 2], cells); cnt = of_read_number(&prop[index * cells * 2 + cells], cells); ret = scom_map(parent, reg, cnt); of_node_put(parent); return ret; } EXPORT_SYMBOL_GPL(scom_map_device); #ifdef CONFIG_SCOM_DEBUGFS struct scom_debug_entry { struct device_node *dn; unsigned long addr; scom_map_t map; spinlock_t lock; char name[8]; struct debugfs_blob_wrapper blob; }; static int scom_addr_set(void *data, u64 val) { struct scom_debug_entry *ent = data; ent->addr = 0; scom_unmap(ent->map); ent->map = scom_map(ent->dn, val, 1); if (scom_map_ok(ent->map)) ent->addr = val; else return -EFAULT; return 0; } static int scom_addr_get(void *data, u64 *val) { struct scom_debug_entry *ent = data; *val = ent->addr; return 0; } DEFINE_SIMPLE_ATTRIBUTE(scom_addr_fops, scom_addr_get, scom_addr_set, "0x%llx\n"); static int scom_val_set(void *data, u64 val) { struct scom_debug_entry *ent = data; if (!scom_map_ok(ent->map)) return -EFAULT; scom_write(ent->map, 0, val); return 0; } static int scom_val_get(void *data, u64 *val) { struct scom_debug_entry *ent = data; if (!scom_map_ok(ent->map)) return -EFAULT; *val = scom_read(ent->map, 0); return 0; } DEFINE_SIMPLE_ATTRIBUTE(scom_val_fops, scom_val_get, scom_val_set, "0x%llx\n"); static int scom_debug_init_one(struct dentry *root, struct device_node *dn, int i) { struct scom_debug_entry *ent; struct dentry *dir; ent = kzalloc(sizeof(*ent), GFP_KERNEL); if (!ent) return -ENOMEM; ent->dn = of_node_get(dn); ent->map = SCOM_MAP_INVALID; spin_lock_init(&ent->lock); snprintf(ent->name, 8, "scom%d", i); ent->blob.data = dn->full_name; ent->blob.size = strlen(dn->full_name); dir = debugfs_create_dir(ent->name, root); if (!dir) { of_node_put(dn); kfree(ent); return -1; } debugfs_create_file("addr", 0600, dir, ent, &scom_addr_fops); debugfs_create_file("value", 0600, dir, ent, &scom_val_fops); debugfs_create_blob("path", 0400, dir, &ent->blob); return 0; } static int scom_debug_init(void) { struct device_node *dn; struct dentry *root; int i, rc; root = debugfs_create_dir("scom", powerpc_debugfs_root); if (!root) return -1; i = rc = 0; for_each_node_with_property(dn, "scom-controller") rc |= scom_debug_init_one(root, dn, i++); return rc; } device_initcall(scom_debug_init); #endif /* CONFIG_SCOM_DEBUGFS */ f='#n24'>24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 
/*
             LUFA Library
     Copyright (C) Dean Camera, 2017.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
*/

/*
  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)

  Permission to use, copy, modify, distribute, and sell this
  software and its documentation for any purpose is hereby granted
  without fee, provided that the above copyright notice appear in
  all copies and that both that the copyright notice and this
  permission notice and warranty disclaimer appear in supporting
  documentation, and that the name of the author not be used in
  advertising or publicity pertaining to distribution of the
  software without specific, written prior permission.

  The author disclaims all warranties with regard to this
  software, including all implied warranties of merchantability
  and fitness.  In no event shall the author be liable for any
  special, indirect or consequential damages or any damages
  whatsoever resulting from loss of use, data or profits, whether
  in an action of contract, negligence or other tortious action,
  arising out of or in connection with the use or performance of
  this software.
*/

/** \file
 *  \brief Application Configuration Header File
 *
 *  This is a header file which is be used to configure some of
 *  the application's compile time options, as an alternative to
 *  specifying the compile time constants supplied through a
 *  makefile or build system.
 *
 *  For information on what each token does, refer to the
 *  \ref Sec_Options section of the application documentation.
 */

#ifndef _APP_CONFIG_H_
#define _APP_CONFIG_H_

	#define AVR_RESET_LINE_PORT            PORTD
	#define AVR_RESET_LINE_DDR             DDRD
	#define AVR_RESET_LINE_MASK            (1 << 4)

	#define AVR_RESET_PULSE_MS             10

	#define TX_RX_LED_PULSE_MS             30
	#define PING_PONG_LED_PULSE_MS         100

	#define RECEIVE_BUFFER_FLUSH_MS        10

#endif
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