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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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17
src/flash/nor/em357.c
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@@ -88,7 +88,6 @@ struct em357_options {
struct em357_flash_bank {
struct em357_options option_bytes;
struct working_area *write_algorithm;
int ppage_size;
int probed;
};
@@ -107,7 +106,6 @@ FLASH_BANK_COMMAND_HANDLER(em357_flash_bank_command)
em357_info = malloc(sizeof(struct em357_flash_bank));
bank->driver_priv = em357_info;
em357_info->write_algorithm = NULL;
em357_info->probed = 0;
return ERROR_OK;
@@ -457,9 +455,9 @@ static int em357_protect(struct flash_bank *bank, int set, int first, int last)
static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
uint32_t offset, uint32_t count)
{
struct em357_flash_bank *em357_info = bank->driver_priv;
struct target *target = bank->target;
uint32_t buffer_size = 16384;
struct working_area *write_algorithm;
struct working_area *source;
uint32_t address = bank->base + offset;
struct reg_param reg_params[4];
@@ -497,13 +495,13 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
/* flash write code */
if (target_alloc_working_area(target, sizeof(em357_flash_write_code),
&em357_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;
}
;
retval = target_write_buffer(target, em357_info->write_algorithm->address,
retval = target_write_buffer(target, write_algorithm->address,
sizeof(em357_flash_write_code), (uint8_t *)em357_flash_write_code);
if (retval != ERROR_OK)
return retval;
@@ -512,10 +510,9 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
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 (em357_info->write_algorithm)
target_free_working_area(target, em357_info->write_algorithm);
target_free_working_area(target, write_algorithm);
LOG_WARNING(
"no large enough working area available, can't do block memory writes");
@@ -546,7 +543,7 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
buf_set_u32(reg_params[3].value, 0, 32, 0);
retval = target_run_algorithm(target, 0, NULL, 4, reg_params,
em357_info->write_algorithm->address, 0, 10000, &armv7m_info);
write_algorithm->address, 0, 10000, &armv7m_info);
if (retval != ERROR_OK) {
LOG_ERROR("error executing em357 flash write algorithm");
break;
@@ -574,7 +571,7 @@ static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
}
target_free_working_area(target, source);
target_free_working_area(target, em357_info->write_algorithm);
target_free_working_area(target, write_algorithm);
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);