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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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26
src/flash/nor/aduc702x.c
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@@ -43,21 +43,12 @@ static int aduc702x_set_write_enable(struct target *target, int enable);
#define ADUC702x_FLASH_FEEPRO (6*4)
#define ADUC702x_FLASH_FEEHIDE (7*4)
struct aduc702x_flash_bank {
struct working_area *write_algorithm;
};
/* flash bank aduc702x 0 0 0 0 <target#>
* The ADC7019-28 devices all have the same flash layout */
FLASH_BANK_COMMAND_HANDLER(aduc702x_flash_bank_command)
{
struct aduc702x_flash_bank *nbank;
nbank = malloc(sizeof(struct aduc702x_flash_bank));
bank->base = 0x80000;
bank->size = 0xF800; /* top 4k not accessible */
bank->driver_priv = nbank;
aduc702x_build_sector_list(bank);
@@ -157,9 +148,9 @@ static int aduc702x_write_block(struct flash_bank *bank,
uint32_t offset,
uint32_t count)
{
struct aduc702x_flash_bank *aduc702x_info = bank->driver_priv;
struct target *target = bank->target;
uint32_t buffer_size = 7000;
struct working_area *write_algorithm;
struct working_area *source;
uint32_t address = bank->base + offset;
struct reg_param reg_params[6];
@@ -210,12 +201,12 @@ static int aduc702x_write_block(struct flash_bank *bank,
/* flash write code */
if (target_alloc_working_area(target, sizeof(aduc702x_flash_write_code),
&aduc702x_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, aduc702x_info->write_algorithm->address,
retval = target_write_buffer(target, write_algorithm->address,
sizeof(aduc702x_flash_write_code), (uint8_t *)aduc702x_flash_write_code);
if (retval != ERROR_OK)
return retval;
@@ -224,10 +215,9 @@ static int aduc702x_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 buffer,
/* 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);
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;
@@ -257,8 +247,8 @@ static int aduc702x_write_block(struct flash_bank *bank,
buf_set_u32(reg_params[4].value, 0, 32, 0xFFFFF800);
retval = target_run_algorithm(target, 0, NULL, 5,
reg_params, aduc702x_info->write_algorithm->address,
aduc702x_info->write_algorithm->address +
reg_params, write_algorithm->address,
write_algorithm->address +
sizeof(aduc702x_flash_write_code) - 4,
10000, &arm_algo);
if (retval != ERROR_OK) {
@@ -279,7 +269,7 @@ static int aduc702x_write_block(struct flash_bank *bank,
}
target_free_working_area(target, source);
target_free_working_area(target, aduc702x_info->write_algorithm);
target_free_working_area(target, write_algorithm);
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);