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STR9: flash loader cleanup 

- make algorithm array static const.
 - increase algorithm buffer size to 32k.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
This commit is contained in:
Spencer Oliver 2010-03-08 20:31:25 +00:00
parent 2946c895a1
commit 6344f2ab98
2 changed files with 19 additions and 8 deletions
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20
src/flash/nor/str9x.c
View File

@ -340,14 +340,14 @@ static int str9x_write_block(struct flash_bank *bank,
{ {
struct str9x_flash_bank *str9x_info = bank->driver_priv; struct str9x_flash_bank *str9x_info = bank->driver_priv;
struct target *target = bank->target; struct target *target = bank->target;
uint32_t buffer_size = 8192; uint32_t buffer_size = 32768;
struct working_area *source; struct working_area *source;
uint32_t address = bank->base + offset; uint32_t address = bank->base + offset;
struct reg_param reg_params[4]; struct reg_param reg_params[4];
struct arm_algorithm armv4_5_info; struct arm_algorithm armv4_5_info;
int retval = ERROR_OK; int retval = ERROR_OK;
uint32_t str9x_flash_write_code[] = { static const uint32_t str9x_flash_write_code[] = {
/* write: */ /* write: */
0xe3c14003, /* bic r4, r1, #3 */ 0xe3c14003, /* bic r4, r1, #3 */
0xe3a03040, /* mov r3, #0x40 */ 0xe3a03040, /* mov r3, #0x40 */
@ -373,13 +373,16 @@ static int str9x_write_block(struct flash_bank *bank,
}; };
/* flash write code */ /* flash write code */
if (target_alloc_working_area(target, 4 * 19, &str9x_info->write_algorithm) != ERROR_OK) if (target_alloc_working_area(target, sizeof(str9x_flash_write_code),
&str9x_info->write_algorithm) != ERROR_OK)
{ {
LOG_WARNING("no working area available, can't do block memory writes"); LOG_WARNING("no working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}; };
target_write_buffer(target, str9x_info->write_algorithm->address, 19 * 4, (uint8_t*)str9x_flash_write_code); target_write_buffer(target, str9x_info->write_algorithm->address,
sizeof(str9x_flash_write_code),
(uint8_t*)str9x_flash_write_code);
/* memory buffer */ /* memory buffer */
while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)
@ -387,7 +390,8 @@ static int str9x_write_block(struct flash_bank *bank,
buffer_size /= 2; buffer_size /= 2;
if (buffer_size <= 256) if (buffer_size <= 256)
{ {
/* if we already allocated the writing code, but failed to get a buffer, free the algorithm */ /* if we already allocated the writing code, but failed to get a
* buffer, free the algorithm */
if (str9x_info->write_algorithm) if (str9x_info->write_algorithm)
target_free_working_area(target, str9x_info->write_algorithm); target_free_working_area(target, str9x_info->write_algorithm);
@ -415,7 +419,10 @@ static int str9x_write_block(struct flash_bank *bank,
buf_set_u32(reg_params[1].value, 0, 32, address); buf_set_u32(reg_params[1].value, 0, 32, address);
buf_set_u32(reg_params[2].value, 0, 32, thisrun_count); buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
if ((retval = target_run_algorithm(target, 0, NULL, 4, reg_params, str9x_info->write_algorithm->address, str9x_info->write_algorithm->address + (18 * 4), 10000, &armv4_5_info)) != ERROR_OK) if ((retval = target_run_algorithm(target, 0, NULL, 4, reg_params,
str9x_info->write_algorithm->address,
str9x_info->write_algorithm->address + (sizeof(str9x_flash_write_code) - 4),
10000, &armv4_5_info)) != ERROR_OK)
{ {
LOG_ERROR("error executing str9x flash write algorithm"); LOG_ERROR("error executing str9x flash write algorithm");
retval = ERROR_FLASH_OPERATION_FAILED; retval = ERROR_FLASH_OPERATION_FAILED;
@ -676,6 +683,7 @@ static const struct command_registration str9x_config_command_handlers[] = {
}, },
COMMAND_REGISTRATION_DONE COMMAND_REGISTRATION_DONE
}; };
static const struct command_registration str9x_command_handlers[] = { static const struct command_registration str9x_command_handlers[] = {
{ {
.name = "str9x", .name = "str9x",

7
src/flash/nor/str9xpec.c
View File

@ -551,7 +551,8 @@ static int str9xpec_set_address(struct flash_bank *bank, uint8_t sector)
return ERROR_OK; return ERROR_OK;
} }
static int str9xpec_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count) static int str9xpec_write(struct flash_bank *bank, uint8_t *buffer,
uint32_t offset, uint32_t count)
{ {
struct str9xpec_flash_controller *str9xpec_info = bank->driver_priv; struct str9xpec_flash_controller *str9xpec_info = bank->driver_priv;
uint32_t dwords_remaining = (count / 8); uint32_t dwords_remaining = (count / 8);
@ -619,7 +620,8 @@ static int str9xpec_write(struct flash_bank *bank, uint8_t *buffer, uint32_t off
{ {
str9xpec_set_address(bank, str9xpec_info->sector_bits[i]); str9xpec_set_address(bank, str9xpec_info->sector_bits[i]);
dwords_remaining = dwords_remaining < (bank->sectors[i].size/8) ? dwords_remaining : (bank->sectors[i].size/8); dwords_remaining = dwords_remaining < (bank->sectors[i].size/8)
? dwords_remaining : (bank->sectors[i].size/8);
while (dwords_remaining > 0) while (dwords_remaining > 0)
{ {
@ -1226,6 +1228,7 @@ static const struct command_registration str9xpec_config_command_handlers[] = {
}, },
COMMAND_REGISTRATION_DONE COMMAND_REGISTRATION_DONE
}; };
static const struct command_registration str9xpec_command_handlers[] = { static const struct command_registration str9xpec_command_handlers[] = {
{ {
.name = "str9xpec", .name = "str9xpec",