1 /***************************************************************************
2 * Copyright (C) 2011 by Rodrigo L. Rosa *
3 * rodrigorosa.LG@gmail.com *
5 * Based on a file written by: *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18 * GNU General Public License for more details. *
20 * You should have received a copy of the GNU General Public License *
21 * along with this program; if not, write to the *
22 * Free Software Foundation, Inc., *
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
24 ***************************************************************************/
30 #ifndef DSP5680XX_FLASH_H
31 #define DSP5680XX_FLASH_H
34 #include <helper/binarybuffer.h>
35 #include <helper/time_support.h>
36 #include <target/algorithm.h>
37 #include <target/dsp5680xx.h>
39 struct dsp5680xx_flash_bank
{
40 struct working_area
*write_algorithm
;
43 static int dsp5680xx_build_sector_list(struct flash_bank
*bank
){
44 uint32_t offset
= HFM_FLASH_BASE_ADDR
;
45 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
47 for (i
= 0; i
< bank
->num_sectors
; ++i
){
48 bank
->sectors
[i
].offset
= i
*HFM_SECTOR_SIZE
;
49 bank
->sectors
[i
].size
= HFM_SECTOR_SIZE
;
50 offset
+= bank
->sectors
[i
].size
;
51 bank
->sectors
[i
].is_erased
= -1;
52 bank
->sectors
[i
].is_protected
= -1;
54 LOG_USER("%s not tested yet.",__FUNCTION__
);
59 // flash bank dsp5680xx 0 0 0 0 <target#>
60 FLASH_BANK_COMMAND_HANDLER(dsp5680xx_flash_bank_command
){
61 struct dsp5680xx_flash_bank
*nbank
;
63 nbank
= malloc(sizeof(struct dsp5680xx_flash_bank
));
65 bank
->base
= HFM_FLASH_BASE_ADDR
;
66 bank
->size
= HFM_SIZE_BYTES
; // top 4k not accessible
67 bank
->driver_priv
= nbank
;
68 bank
->num_sectors
= HFM_SECTOR_COUNT
;
69 dsp5680xx_build_sector_list(bank
);
74 static int dsp5680xx_flash_protect_check(struct flash_bank
*bank
){
75 int retval
= ERROR_OK
;
76 uint16_t protected = 0;
77 retval
= dsp5680xx_f_protect_check(bank
->target
,&protected);
78 if(retval
!= ERROR_OK
){
79 for(int i
= 0;i
<HFM_SECTOR_COUNT
;i
++)
80 bank
->sectors
[i
].is_protected
= -1;
83 for(int i
= 0;i
<HFM_SECTOR_COUNT
/2;i
++){
85 bank
->sectors
[2*i
].is_protected
= 1;
86 bank
->sectors
[2*i
+1].is_protected
= 1;
88 bank
->sectors
[2*i
].is_protected
= 0;
89 bank
->sectors
[2*i
+1].is_protected
= 0;
91 protected = (protected >> 1);
96 static int dsp5680xx_flash_protect(struct flash_bank
*bank
, int set
, int first
, int last
){
97 // This applies security to flash module after next reset, it does not actually apply protection (protection refers to undesired access from the core)
100 retval
= dsp5680xx_f_lock(bank
->target
);
101 if(retval
== ERROR_OK
){
102 for(int i
= first
;i
<last
;i
++)
103 bank
->sectors
[i
].is_protected
= 1;
106 retval
= dsp5680xx_f_unlock(bank
->target
);
107 if(retval
== ERROR_OK
)
108 for(int i
= first
;i
<last
;i
++)
109 bank
->sectors
[i
].is_protected
= 0;
115 static int dsp5680xx_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count){
116 LOG_USER("%s not implemented",__FUNCTION__);
120 static int dsp5680xx_write_single(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count){
121 LOG_USER("%s not implemented",__FUNCTION__);
126 //-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
127 //-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
129 //-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
130 //-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
132 static int dsp5680xx_flash_write(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t offset
, uint32_t count
){
134 if((offset
+ count
/2)>bank
->size
){
135 LOG_ERROR("%s: Flash bank cannot fit data.",__FUNCTION__
);
139 LOG_ERROR("%s: Writing to odd addresses not supported. This chip uses word addressing, Openocd only supports byte addressing. The workaround results in disabling writing to odd byte addresses.",__FUNCTION__
);
142 retval
= dsp5680xx_f_wr(bank
->target
, buffer
, bank
->base
+ offset
/2, count
);
143 if(retval
== ERROR_OK
)
144 bank
->sectors
[0].is_erased
= 0;
146 bank
->sectors
[0].is_erased
= -1;
150 static int dsp5680xx_probe(struct flash_bank
*bank
){
151 LOG_DEBUG("%s not implemented",__FUNCTION__
);
155 static int dsp5680xx_flash_info(struct flash_bank
*bank
, char *buf
, int buf_size
){
156 snprintf(buf
, buf_size
, "\ndsp5680xx flash driver info:\n - Currently only full erase/lock/unlock are implemented. \n - Call with bank==0 and sector 0 to 0.\n - Protect requires arp_init-reset to complete. \n - Before removing protection the master tap must be selected, and arp_init-reset is required to complete unlocking.");
160 static int dsp5680xx_set_write_enable(struct target *target, int enable){
161 LOG_USER("%s not implemented",__FUNCTION__);
166 static int dsp5680xx_check_flash_completion(struct target* target, unsigned int timeout_ms){
167 LOG_USER("%s not implemented",__FUNCTION__);
172 static int dsp5680xx_flash_erase(struct flash_bank
* bank
, int first
, int last
){
174 retval
= dsp5680xx_f_erase(bank
->target
, (uint32_t) first
, (uint32_t) last
);
175 if(retval
== ERROR_OK
)
176 for(int i
= first
;i
<=last
;i
++)
177 bank
->sectors
[i
].is_erased
= 1;
179 // If an error occurred unknown status is set even though some sector could have been correctly erased.
180 for(int i
= first
;i
<=last
;i
++)
181 bank
->sectors
[i
].is_erased
= -1;
185 static int dsp5680xx_flash_erase_check(struct flash_bank
* bank
){
186 int retval
= ERROR_OK
;
189 for(i
=0;i
<HFM_SECTOR_COUNT
;i
++){
190 if(bank
->sectors
[i
].is_erased
== -1){
191 retval
= dsp5680xx_f_erase_check(bank
->target
,&erased
,i
);
192 if (retval
!= ERROR_OK
){
193 bank
->sectors
[i
].is_erased
= -1;
196 bank
->sectors
[i
].is_erased
= 1;
198 bank
->sectors
[i
].is_erased
= 0;
205 struct flash_driver dsp5680xx_flash
= {
206 .name
= "dsp5680xx_flash",
207 .flash_bank_command
= dsp5680xx_flash_bank_command
,
208 .erase
= dsp5680xx_flash_erase
,
209 .protect
= dsp5680xx_flash_protect
,
210 .write
= dsp5680xx_flash_write
,
211 //.read = default_flash_read,
212 .probe
= dsp5680xx_probe
,
213 .auto_probe
= dsp5680xx_probe
,
214 .erase_check
= dsp5680xx_flash_erase_check
,
215 .protect_check
= dsp5680xx_flash_protect_check
,
216 .info
= dsp5680xx_flash_info
218 #endif // dsp5680xx_flash.h
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