1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/pnor/sfc_fake.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2015 */
/* [+] Google Inc. */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/*****************************************************************************/
// I n c l u d e s
/*****************************************************************************/
#include <sys/mmio.h>
#include <sys/task.h>
#include <sys/sync.h>
#include <string.h>
#include <devicefw/driverif.H>
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <errl/errludlogregister.H>
#include <targeting/common/targetservice.H>
#include <pnor/pnor_reasoncodes.H>
#include <sys/time.h>
#include <lpc/lpcif.H>
#include "sfc_fake.H"
#include "norflash.H"
/*****************************************************************************/
// C o n s t a n t s
/*****************************************************************************/
// By default we will use the top of the cache 4MB-10MB
#define FAKE_PNOR_START (4*MEGABYTE)
#define FAKE_PNOR_END (10*MEGABYTE)
#define FAKE_PNOR_SIZE (FAKE_PNOR_END-FAKE_PNOR_START)
/*****************************************************************************/
// G l o b a l s
/*****************************************************************************/
// Initialized in pnorrp.C
extern trace_desc_t* g_trac_pnor;
/*****************************************************************************/
// M e t h o d s
/*****************************************************************************/
namespace PNOR {
/**
* @brief Wrapper for device driver constructor
*/
errlHndl_t create_SfcDD( SfcDD*& o_sfc,
TARGETING::Target* i_proc )
{
errlHndl_t l_err = NULL;
TRACFCOMP( g_trac_pnor, "Creating SfcFake object" );
o_sfc = new SfcFake( l_err, i_proc );
return l_err;
}
};
/**
* @brief Constructor
*/
SfcFake::SfcFake( errlHndl_t& o_err,
TARGETING::Target* i_proc )
: SfcDD(o_err,i_proc)
, iv_fakePnor(reinterpret_cast<uint8_t*>(FAKE_PNOR_START))
, iv_sizeBytes(FAKE_PNOR_SIZE)
{
TRACFCOMP( g_trac_pnor, "Instantiating SfcFake" );
}
/**
* @brief Read data from the flash
*/
errlHndl_t SfcFake::readFlash( uint32_t i_addr,
size_t i_size,
void* o_data )
{
TRACDCOMP( g_trac_pnor, "SfcFake::readFlash> i_addr=0x%.8x, i_size=0x%.8x",
i_addr, i_size );
errlHndl_t errhdl = NULL;
//create a pointer to the offset start.
uint8_t* srcPtr = reinterpret_cast<uint8_t*>(iv_fakePnor+i_addr);
if( (srcPtr+i_size) > (iv_fakePnor+iv_sizeBytes) )
{
TRACFCOMP(g_trac_pnor, "SfcFake::readFlash> Read goes past end of fake-PNOR : i_addr=0x%X, i_size=0x%X", i_addr, i_size );
/*@
* @errortype
* @moduleid PNOR::MOD_SFCFAKE_READFLASH
* @reasoncode PNOR::RC_INVALID_ADDRESS
* @userdata1[0:31] PNOR Address
* @userdata1[32:63] Bytes to read
* @userdata2[0:31] <unused>
* @userdata2[32:63] Size of allocated PNOR space
* @devdesc SfcFake::readFlash> Requested access exceeded the
* bounds of the allocated PNOR space
* @custdesc Firmware error accessing flash during IPL
*/
errhdl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
PNOR::MOD_SFCFAKE_READFLASH,
PNOR::RC_INVALID_ADDRESS,
TWO_UINT32_TO_UINT64(i_addr,
i_size),
TWO_UINT32_TO_UINT64(0,
iv_sizeBytes),
true /*Software error*/);
}
else
{
//Read directly from memory
memcpy( o_data, srcPtr, i_size );
}
return errhdl;
}
/**
* @brief Write data into flash
*/
errlHndl_t SfcFake::writeFlash( uint32_t i_addr,
size_t i_size,
void* i_data )
{
TRACDCOMP( g_trac_pnor, "SfcFake::writeFlash> i_addr=0x%.8x, i_size=0x%.8x",
i_addr, i_size );
errlHndl_t errhdl = NULL;
//create a pointer to the offset start.
uint8_t* destPtr = reinterpret_cast<uint8_t*>(iv_fakePnor+i_addr);
if( (destPtr+i_size) > (iv_fakePnor+iv_sizeBytes) )
{
TRACFCOMP(g_trac_pnor, "SfcFake::writeFlash> Write goes past end of fake-PNOR : i_addr=0x%X, i_size=0x%X", i_addr, i_size );
/*@
* @errortype
* @moduleid PNOR::MOD_SFCFAKE_WRITEFLASH
* @reasoncode PNOR::RC_INVALID_ADDRESS
* @userdata1[0:31] PNOR Address
* @userdata1[32:63] Bytes to write
* @userdata2[0:31] <unused>
* @userdata2[32:63] Size of allocated PNOR space
* @devdesc SfcFake::writeFlash> Requested access exceeded the
* bounds of the allocated PNOR space
* @custdesc Firmware error accessing flash during IPL
*/
errhdl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
PNOR::MOD_SFCFAKE_WRITEFLASH,
PNOR::RC_INVALID_ADDRESS,
TWO_UINT32_TO_UINT64(i_addr,
i_size),
TWO_UINT32_TO_UINT64(0,
iv_sizeBytes),
true /*Software error*/);
}
else
{
//Write directly to memory
memcpy( destPtr, i_data, i_size );
}
return errhdl;
}
/**
* @brief Erase a block of flash
*/
errlHndl_t SfcFake::eraseFlash( uint32_t i_addr )
{
TRACDCOMP( g_trac_pnor, "SfcFake::eraseFlash> i_addr=0x%.8x, i_size=0x%.8x",
i_addr );
errlHndl_t errhdl = NULL;
//create a pointer to the offset start.
uint8_t* destPtr = reinterpret_cast<uint8_t*>(iv_fakePnor+i_addr);
if( (destPtr+iv_eraseSizeBytes) > (iv_fakePnor+iv_sizeBytes) )
{
TRACFCOMP(g_trac_pnor, "SfcFake::writeFlash> Write goes past end of fake-PNOR : i_addr=0x%X, i_size=0x%X", i_addr );
/*@
* @errortype
* @moduleid PNOR::MOD_SFCFAKE_ERASEFLASH
* @reasoncode PNOR::RC_INVALID_ADDRESS
* @userdata1[0:31] PNOR Address
* @userdata1[32:63] <unused>
* @userdata2[0:31] Bytes in erase block
* @userdata2[32:63] Size of allocated PNOR space
* @devdesc SfcFake::writeFlash> Requested access exceeded the
* bounds of the allocated PNOR space
* @custdesc Firmware error accessing flash during IPL
*/
errhdl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
PNOR::MOD_SFCFAKE_ERASEFLASH,
PNOR::RC_INVALID_ADDRESS,
TWO_UINT32_TO_UINT64(i_addr,
0),
TWO_UINT32_TO_UINT64(iv_eraseSizeBytes,
iv_sizeBytes),
true /*Software error*/);
}
else
{
//A real erase sets every bit so emulate that with a memset
memset( destPtr, 0xFF, iv_eraseSizeBytes );
}
return errhdl;
}
/**
* @brief Initialize and configure the SFC hardware
*/
errlHndl_t SfcFake::hwInit( )
{
TRACFCOMP( g_trac_pnor, "SfcFake::hwInit> Nothing to do here" );
return NULL;
}
/**
* @brief Informs caller if PNORDD is using
* L3 Cache for fake PNOR or not.
*/
bool SfcFake::usingL3Cache( void )
{
return true;
}
/**
* @brief Send a user-defined SPI command
*/
errlHndl_t SfcFake::sendSpiCmd( uint8_t i_opCode,
uint32_t i_address,
size_t i_writeCnt,
const uint8_t* i_writeData,
size_t i_readCnt,
uint8_t* o_readData )
{
TRACFCOMP( g_trac_pnor, "SfcFake::sendSpiCmd> Nothing to do here : opcode=%.2X", i_opCode );
/*@
* @errortype
* @moduleid PNOR::MOD_SFCFAKE_SENDSPICMD
* @reasoncode PNOR::RC_UNSUPPORTED_OPERATION
* @userdata1[0:31] Op Code
* @userdata1[32:63] Address
* @userdata2 <unused>
* @devdesc SfcFake::sendSpiCmd> Function is not supported
* @custdesc Firmware error accessing flash during IPL
*/
return new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
PNOR::MOD_SFCFAKE_SENDSPICMD,
PNOR::RC_UNSUPPORTED_OPERATION,
TWO_UINT32_TO_UINT64(i_opCode,
i_address),
0,
true /*Software error*/);
}
/**
* @brief Return first 3 bytes of NOR chip id
*/
errlHndl_t SfcFake::getNORChipId( uint32_t& o_chipId )
{
o_chipId = PNOR::FAKE_NOR_ID;
iv_norChipId = PNOR::FAKE_NOR_ID;
return NULL;
}
|
