1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 /***************************************************************************
4 * Copyright (C) 2010 by Spencer Oliver *
5 * spen@spen-soft.co.uk *
6 ***************************************************************************/
14 static struct flash_bank *virtual_get_master_bank(struct flash_bank *bank)
16 struct flash_bank *master_bank;
18 master_bank = get_flash_bank_by_name_noprobe(bank->driver_priv);
20 LOG_ERROR("master flash bank '%s' does not exist", (char *)bank->driver_priv);
25 static void virtual_update_bank_info(struct flash_bank *bank)
27 struct flash_bank *master_bank = virtual_get_master_bank(bank);
32 /* update the info we do not have */
33 bank->size = master_bank->size;
34 bank->chip_width = master_bank->chip_width;
35 bank->bus_width = master_bank->bus_width;
36 bank->erased_value = master_bank->erased_value;
37 bank->default_padded_value = master_bank->default_padded_value;
38 bank->write_start_alignment = master_bank->write_start_alignment;
39 bank->write_end_alignment = master_bank->write_end_alignment;
40 bank->minimal_write_gap = master_bank->minimal_write_gap;
41 bank->num_sectors = master_bank->num_sectors;
42 bank->sectors = master_bank->sectors;
43 bank->num_prot_blocks = master_bank->num_prot_blocks;
44 bank->prot_blocks = master_bank->prot_blocks;
47 FLASH_BANK_COMMAND_HANDLER(virtual_flash_bank_command)
50 return ERROR_COMMAND_SYNTAX_ERROR;
52 /* get the master flash bank */
53 const char *bank_name = CMD_ARGV[6];
54 struct flash_bank *master_bank = get_flash_bank_by_name_noprobe(bank_name);
57 LOG_ERROR("master flash bank '%s' does not exist", bank_name);
58 return ERROR_FLASH_OPERATION_FAILED;
61 /* save master bank name - use this to get settings later */
62 bank->driver_priv = strdup(bank_name);
67 static int virtual_protect(struct flash_bank *bank, int set, unsigned int first,
70 struct flash_bank *master_bank = virtual_get_master_bank(bank);
73 return ERROR_FLASH_OPERATION_FAILED;
75 return flash_driver_protect(master_bank, set, first, last);
78 static int virtual_protect_check(struct flash_bank *bank)
80 struct flash_bank *master_bank = virtual_get_master_bank(bank);
83 return ERROR_FLASH_OPERATION_FAILED;
85 if (!master_bank->driver->protect_check)
86 return ERROR_FLASH_OPER_UNSUPPORTED;
88 /* call master handler */
89 return master_bank->driver->protect_check(master_bank);
92 static int virtual_erase(struct flash_bank *bank, unsigned int first,
95 struct flash_bank *master_bank = virtual_get_master_bank(bank);
99 return ERROR_FLASH_OPERATION_FAILED;
101 /* call master handler */
102 retval = master_bank->driver->erase(master_bank, first, last);
103 if (retval != ERROR_OK)
109 static int virtual_write(struct flash_bank *bank, const uint8_t *buffer,
110 uint32_t offset, uint32_t count)
112 struct flash_bank *master_bank = virtual_get_master_bank(bank);
116 return ERROR_FLASH_OPERATION_FAILED;
118 /* call master handler */
119 retval = master_bank->driver->write(master_bank, buffer, offset, count);
120 if (retval != ERROR_OK)
126 static int virtual_probe(struct flash_bank *bank)
128 struct flash_bank *master_bank = virtual_get_master_bank(bank);
132 return ERROR_FLASH_OPERATION_FAILED;
134 /* call master handler */
135 retval = master_bank->driver->probe(master_bank);
136 if (retval != ERROR_OK)
139 /* update the info we do not have */
140 virtual_update_bank_info(bank);
145 static int virtual_auto_probe(struct flash_bank *bank)
147 struct flash_bank *master_bank = virtual_get_master_bank(bank);
151 return ERROR_FLASH_OPERATION_FAILED;
153 /* call master handler */
154 retval = master_bank->driver->auto_probe(master_bank);
155 if (retval != ERROR_OK)
158 /* update the info we do not have */
159 virtual_update_bank_info(bank);
164 static int virtual_info(struct flash_bank *bank, struct command_invocation *cmd)
166 struct flash_bank *master_bank = virtual_get_master_bank(bank);
169 return ERROR_FLASH_OPERATION_FAILED;
171 command_print_sameline(cmd, "%s driver for flash bank %s at " TARGET_ADDR_FMT,
172 bank->driver->name, master_bank->name, master_bank->base);
177 static int virtual_blank_check(struct flash_bank *bank)
179 struct flash_bank *master_bank = virtual_get_master_bank(bank);
183 return ERROR_FLASH_OPERATION_FAILED;
185 /* call master handler */
186 retval = master_bank->driver->erase_check(master_bank);
187 if (retval != ERROR_OK)
193 static int virtual_flash_read(struct flash_bank *bank,
194 uint8_t *buffer, uint32_t offset, uint32_t count)
196 struct flash_bank *master_bank = virtual_get_master_bank(bank);
200 return ERROR_FLASH_OPERATION_FAILED;
202 /* call master handler */
203 retval = master_bank->driver->read(master_bank, buffer, offset, count);
204 if (retval != ERROR_OK)
210 const struct flash_driver virtual_flash = {
212 .flash_bank_command = virtual_flash_bank_command,
213 .erase = virtual_erase,
214 .protect = virtual_protect,
215 .write = virtual_write,
216 .read = virtual_flash_read,
217 .probe = virtual_probe,
218 .auto_probe = virtual_auto_probe,
219 .erase_check = virtual_blank_check,
220 .protect_check = virtual_protect_check,
221 .info = virtual_info,
222 .free_driver_priv = default_flash_free_driver_priv,