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flash/nor: make all working area pointers local

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Working area pointers shouldn't be re-used, so there's no point in storing
them in the flash bank struct. Make all such pointers local.

Change-Id: Iab65b4e8b475fed7fc72fb8928f54590fa69d260
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/865
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Andreas Fritiofson
2012-09-30 23:01:51 +02:00
committed by Spencer Oliver
parent 9fe0457c51
commit 4da4e1cfb7
11 changed files with 159 additions and 204 deletions
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18
src/flash/nor/str9x.c
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@@ -46,7 +46,6 @@ struct str9x_flash_bank {
uint32_t *sector_bits;
int variant;
int bank1;
struct working_area *write_algorithm;
};
enum str9x_status_codes {
@@ -158,8 +157,6 @@ FLASH_BANK_COMMAND_HANDLER(str9x_flash_bank_command)
str9x_build_block_list(bank);
str9x_info->write_algorithm = NULL;
return ERROR_OK;
}
@@ -352,9 +349,9 @@ static int str9x_protect(struct flash_bank *bank,
static int str9x_write_block(struct flash_bank *bank,
uint8_t *buffer, uint32_t offset, uint32_t count)
{
struct str9x_flash_bank *str9x_info = bank->driver_priv;
struct target *target = bank->target;
uint32_t buffer_size = 32768;
struct working_area *write_algorithm;
struct working_area *source;
uint32_t address = bank->base + offset;
struct reg_param reg_params[4];
@@ -390,12 +387,12 @@ static int str9x_write_block(struct flash_bank *bank,
/* flash write code */
if (target_alloc_working_area(target, sizeof(str9x_flash_write_code),
&str9x_info->write_algorithm) != ERROR_OK) {
&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, str9x_info->write_algorithm->address,
target_write_buffer(target, write_algorithm->address,
sizeof(str9x_flash_write_code),
(uint8_t *)str9x_flash_write_code);
@@ -403,10 +400,9 @@ static int str9x_write_block(struct flash_bank *bank,
while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK) {
buffer_size /= 2;
if (buffer_size <= 256) {
/* if we already allocated the writing code, but failed to get a
/* we already allocated the writing code, but failed to get a
* buffer, free the algorithm */
if (str9x_info->write_algorithm)
target_free_working_area(target, str9x_info->write_algorithm);
target_free_working_area(target, write_algorithm);
LOG_WARNING("no large enough working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
@@ -432,7 +428,7 @@ static int str9x_write_block(struct flash_bank *bank,
buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
retval = target_run_algorithm(target, 0, NULL, 4, reg_params,
str9x_info->write_algorithm->address,
write_algorithm->address,
0, 10000, &arm_algo);
if (retval != ERROR_OK) {
LOG_ERROR("error executing str9x flash write algorithm");
@@ -451,7 +447,7 @@ static int str9x_write_block(struct flash_bank *bank,
}
target_free_working_area(target, source);
target_free_working_area(target, str9x_info->write_algorithm);
target_free_working_area(target, write_algorithm);
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);