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stm32f1x: fix stm32f0/f3 broken unlock 

The STM32F0 and F3 devices use a different default RDP to configure a
unlocked device, make sure we use that.

Change-Id: I170779461412c4c202c2cfc8d90baedb7e388150
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/984
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
__archive__
Spencer Oliver 2012-11-19 12:46:33 +00:00 committed by Andreas Fritiofson
parent aebe7596f6
commit 9060ae7de5
1 changed files with 8 additions and 1 deletions
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9
src/flash/nor/stm32f1x.c
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@ -122,6 +122,7 @@ struct stm32x_flash_bank {
bool has_dual_banks;
/* used to access dual flash bank stm32xl */
uint32_t register_base;
uint16_t default_rdp;
int user_data_offset;
};
@ -291,7 +292,7 @@ static int stm32x_erase_options(struct flash_bank *bank)
/* clear readout protection and complementary option bytes
* this will also force a device unlock if set */
stm32x_info->option_bytes.RDP = 0x5AA5;
stm32x_info->option_bytes.RDP = stm32x_info->default_rdp;
return ERROR_OK;
}
@ -857,6 +858,9 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->register_base = FLASH_REG_BASE_B0;
stm32x_info->user_data_offset = 10;
/* default factory protection level */
stm32x_info->default_rdp = 0x5AA5;
/* read stm32 device id register */
int retval = stm32x_get_device_id(bank, &device_id);
if (retval != ERROR_OK)
@ -896,6 +900,7 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->ppage_size = 2;
max_flash_size_in_kb = 256;
stm32x_info->user_data_offset = 16;
stm32x_info->default_rdp = 0x55AA;
break;
case 0x428: /* value line High density */
page_size = 2048;
@ -913,12 +918,14 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->ppage_size = 2;
max_flash_size_in_kb = 256;
stm32x_info->user_data_offset = 16;
stm32x_info->default_rdp = 0x55AA;
break;
case 0x440: /* stm32f0x */
page_size = 1024;
stm32x_info->ppage_size = 4;
max_flash_size_in_kb = 64;
stm32x_info->user_data_offset = 16;
stm32x_info->default_rdp = 0x55AA;
break;
default:
LOG_WARNING("Cannot identify target as a STM32 family.");