#include "time_support.h"
-static int aduc702x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-static int aduc702x_register_commands(struct command_context_s *cmd_ctx);
-static int aduc702x_erase(struct flash_bank_s *bank, int first, int last);
-static int aduc702x_protect(struct flash_bank_s *bank, int set, int first, int last);
-static int aduc702x_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
-static int aduc702x_write_single(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
-static int aduc702x_write_block(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
-static int aduc702x_probe(struct flash_bank_s *bank);
-static int aduc702x_info(struct flash_bank_s *bank, char *buf, int buf_size);
-static int aduc702x_protect_check(struct flash_bank_s *bank);
static int aduc702x_build_sector_list(struct flash_bank_s *bank);
static int aduc702x_check_flash_completion(target_t* target, unsigned int timeout_ms);
static int aduc702x_set_write_enable(target_t *target, int enable);
working_area_t *write_algorithm;
} aduc702x_flash_bank_t;
-flash_driver_t aduc702x_flash =
-{
- .name = "aduc702x",
- .register_commands = aduc702x_register_commands,
- .flash_bank_command = aduc702x_flash_bank_command,
- .erase = aduc702x_erase,
- .protect = aduc702x_protect,
- .write = aduc702x_write,
- .probe = aduc702x_probe,
- .auto_probe = aduc702x_probe,
- .erase_check = default_flash_blank_check,
- .protect_check = aduc702x_protect_check,
- .info = aduc702x_info
-};
-
-static int aduc702x_register_commands(struct command_context_s *cmd_ctx)
-{
- return ERROR_OK;
-}
-
/* flash bank aduc702x 0 0 0 0 <target#>
* The ADC7019-28 devices all have the same flash layout */
-static int aduc702x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
+FLASH_BANK_COMMAND_HANDLER(aduc702x_flash_bank_command)
{
aduc702x_flash_bank_t *nbank;
static int aduc702x_build_sector_list(struct flash_bank_s *bank)
{
//aduc7026_flash_bank_t *aduc7026_info = bank->driver_priv;
-
+
int i = 0;
uint32_t offset = 0;
-
+
// sector size is 512
bank->num_sectors = bank->size / 512;
bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
return ERROR_FLASH_OPERATION_FAILED;
}
+/* If this fn returns ERROR_TARGET_RESOURCE_NOT_AVAILABLE, then the caller can fall
+ * back to another mechanism that does not require onboard RAM
+ *
+ * Caller should not check for other return values specifically
+ */
static int aduc702x_write_block(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
{
aduc702x_flash_bank_t *aduc702x_info = bank->driver_priv;
reg_param_t reg_params[6];
armv4_5_algorithm_t armv4_5_info;
int retval = ERROR_OK;
-
+
+ if (((count%2)!=0)||((offset%2)!=0))
+ {
+ LOG_ERROR("write block must be multiple of two bytes in offset & length");
+ return ERROR_FAIL;
+ }
+
/* parameters:
r0 - address of source data (absolute)
//<done>:
0xeafffffe // b 1003c <done>
};
-
+
/* flash write code */
if (target_alloc_working_area(target, sizeof(aduc702x_flash_write_code),
&aduc702x_info->write_algorithm) != ERROR_OK)
LOG_WARNING("no working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
};
-
- target_write_buffer(target, aduc702x_info->write_algorithm->address,
+
+ retval=target_write_buffer(target, aduc702x_info->write_algorithm->address,
sizeof(aduc702x_flash_write_code), (uint8_t*)aduc702x_flash_write_code);
+ if (retval!=ERROR_OK)
+ {
+ return retval;
+ }
/* memory buffer */
while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)
/* if we already allocated the writing code, but failed to get a buffer, free the algorithm */
if (aduc702x_info->write_algorithm)
target_free_working_area(target, aduc702x_info->write_algorithm);
-
+
LOG_WARNING("no large enough working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
}
-
+
armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
armv4_5_info.core_state = ARMV4_5_STATE_ARM;
-
+
init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
init_reg_param(®_params[2], "r2", 32, PARAM_OUT);
init_reg_param(®_params[3], "r3", 32, PARAM_IN);
init_reg_param(®_params[4], "r4", 32, PARAM_OUT);
-
+
while (count > 0)
{
- uint32_t thisrun_count = (count > (buffer_size / 2)) ? (buffer_size / 2) : count;
-
- target_write_buffer(target, source->address, thisrun_count * 2, buffer);
+ uint32_t thisrun_count = (count > buffer_size) ? buffer_size : count;
+
+ retval=target_write_buffer(target, source->address, thisrun_count, buffer);
+ if (retval!=ERROR_OK)
+ {
+ break;
+ }
buf_set_u32(reg_params[0].value, 0, 32, source->address);
- buf_set_u32(reg_params[1].value, 0, 32, thisrun_count);
+ buf_set_u32(reg_params[1].value, 0, 32, thisrun_count/2);
buf_set_u32(reg_params[2].value, 0, 32, address);
buf_set_u32(reg_params[4].value, 0, 32, 0xFFFFF800);
- if ((retval = target_run_algorithm(target, 0, NULL, 5,
- reg_params, aduc702x_info->write_algorithm->address,
- aduc702x_info->write_algorithm->address + sizeof(aduc702x_flash_write_code) - 4,
+ if ((retval = target_run_algorithm(target, 0, NULL, 5,
+ reg_params, aduc702x_info->write_algorithm->address,
+ aduc702x_info->write_algorithm->address + sizeof(aduc702x_flash_write_code) - 4,
10000, &armv4_5_info)) != ERROR_OK)
{
LOG_ERROR("error executing aduc702x flash write algorithm");
- retval = ERROR_FLASH_OPERATION_FAILED;
break;
}
-
- if ((buf_get_u32(reg_params[3].value, 0, 32) & 1) != 1) {
- retval = ERROR_FLASH_OPERATION_FAILED;
+
+ if ((buf_get_u32(reg_params[3].value, 0, 32) & 1) != 1)
+ {
+ /* FIX!!!! what does this mean??? replace w/sensible error message */
+ LOG_ERROR("aduc702x detected error writing flash");
+ retval = ERROR_FAIL;
break;
}
- buffer += thisrun_count * 2;
- address += thisrun_count * 2;
+ buffer += thisrun_count;
+ address += thisrun_count;
count -= thisrun_count;
}
target_free_working_area(target, source);
target_free_working_area(target, aduc702x_info->write_algorithm);
-
+
destroy_reg_param(®_params[0]);
destroy_reg_param(®_params[1]);
destroy_reg_param(®_params[2]);
destroy_reg_param(®_params[3]);
destroy_reg_param(®_params[4]);
-
+
return retval;
}
-/* All-JTAG, single-access method. Very slow. Used only if there is no
+/* All-JTAG, single-access method. Very slow. Used only if there is no
* working area available. */
static int aduc702x_write_single(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
{
uint32_t x;
uint8_t b;
target_t *target = bank->target;
-
+
aduc702x_set_write_enable(target, 1);
for (x = 0; x < count; x += 2) {
if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
{
/* if block write failed (no sufficient working area),
- * use normal (slow) JTAG method */
+ * use normal (slow) JTAG method */
LOG_WARNING("couldn't use block writes, falling back to single memory accesses");
if ((retval = aduc702x_write_single(bank, buffer, offset, count)) != ERROR_OK)
{
LOG_ERROR("slow write failed");
- return ERROR_FLASH_OPERATION_FAILED;
+ return ERROR_FLASH_OPERATION_FAILED;
}
}
- else if (retval == ERROR_FLASH_OPERATION_FAILED)
- {
- LOG_ERROR("flash block writing failed");
- return ERROR_FLASH_OPERATION_FAILED;
- }
}
- return ERROR_OK;
+ return retval;
}
static int aduc702x_probe(struct flash_bank_s *bank)
else return ERROR_OK;
}
+flash_driver_t aduc702x_flash = {
+ .name = "aduc702x",
+ .flash_bank_command = &aduc702x_flash_bank_command,
+ .erase = &aduc702x_erase,
+ .protect = &aduc702x_protect,
+ .write = &aduc702x_write,
+ .probe = &aduc702x_probe,
+ .auto_probe = &aduc702x_probe,
+ .erase_check = &default_flash_blank_check,
+ .protect_check = &aduc702x_protect_check,
+ .info = &aduc702x_info
+ };
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