1/*
2 * Copyright (c) 1998-2008 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#include <IOKit/IOLib.h>
30#include "AppleARMCHRPNVRAM.h"
31
32
33#define super IONVRAMController
34OSDefineMetaClassAndStructors(AppleARMCHRPNVRAM, IONVRAMController);
35
36
37// ****************************************************************************
38// start
39//
40// ****************************************************************************
41bool AppleARMCHRPNVRAM::start(IOService *provider)
42{
43  IOItemCount numRanges;
44  IOMemoryMap *map;
45
46  return super::start(provider);
47}
48
49// ****************************************************************************
50// read
51//
52// Read data from the NVRAM and return it in buffer.
53//
54// ****************************************************************************
55IOReturn AppleARMCHRPNVRAM::read(IOByteCount offset, UInt8 *buffer,
56			  IOByteCount length)
57{
58  return kIOReturnNotReady;
59}
60
61
62// ****************************************************************************
63// write
64//
65// Write data from buffer into NVRAM.
66//
67// ****************************************************************************
68IOReturn AppleARMCHRPNVRAM::write(IOByteCount offset, UInt8 *buffer,
69			   IOByteCount length)
70{
71  return kIOReturnNotReady;
72}
73