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stm32: update stm32f1x driver for f0x and f3x option bytes 

The stm32f0 and stm32f3 share the same option byte location, but the format
differs.

Adding an option_offset fixes the broken options_read cmd and incorrectly
setting Hardware Watchdog when unlocking a f3x device.

Change-Id: I82d66b6198294ea9eedb44ca8b2fb368c0cb15e8
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1184
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
This commit is contained in:
Spencer Oliver 2013-02-26 11:57:02 +00:00 committed by Freddie Chopin
parent 1d1f1b95a7
commit f14cf545eb
1 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/flash/nor/stm32f1x.c
View File

@ -124,6 +124,7 @@ struct stm32x_flash_bank {
uint32_t register_base;
uint16_t default_rdp;
int user_data_offset;
int option_offset;
};
static int stm32x_mass_erase(struct flash_bank *bank);
@ -204,7 +205,7 @@ static int stm32x_wait_status_busy(struct flash_bank *bank, int timeout)
return retval;
}
int stm32x_check_operation_supported(struct flash_bank *bank)
static int stm32x_check_operation_supported(struct flash_bank *bank)
{
struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
@ -231,7 +232,7 @@ static int stm32x_read_options(struct flash_bank *bank)
if (retval != ERROR_OK)
return retval;
stm32x_info->option_bytes.user_options = (uint16_t)0xFFF0 | ((optiondata >> 2) & 0x0f);
stm32x_info->option_bytes.user_options = (optiondata >> stm32x_info->option_offset >> 2) & 0xffff;
stm32x_info->option_bytes.user_data = (optiondata >> stm32x_info->user_data_offset) & 0xffff;
stm32x_info->option_bytes.RDP = (optiondata & (1 << OPT_READOUT)) ? 0xFFFF : 0x5AA5;
@ -857,6 +858,7 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->probed = 0;
stm32x_info->register_base = FLASH_REG_BASE_B0;
stm32x_info->user_data_offset = 10;
stm32x_info->option_offset = 0;
/* default factory protection level */
stm32x_info->default_rdp = 0x5AA5;
@ -900,6 +902,7 @@ 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->option_offset = 6;
stm32x_info->default_rdp = 0x55AA;
break;
case 0x428: /* value line High density */
@ -918,6 +921,7 @@ 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->option_offset = 6;
stm32x_info->default_rdp = 0x55AA;
break;
case 0x440: /* stm32f0x */
@ -925,6 +929,7 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->ppage_size = 4;
max_flash_size_in_kb = 64;
stm32x_info->user_data_offset = 16;
stm32x_info->option_offset = 6;
stm32x_info->default_rdp = 0x55AA;
break;
default:
@ -1329,6 +1334,8 @@ COMMAND_HANDLER(stm32x_handle_options_read_command)
return retval;
command_print(CMD_CTX, "Option Byte: 0x%" PRIx32 "", optionbyte);
int user_data = optionbyte;
if (buf_get_u32((uint8_t *)&optionbyte, OPT_ERROR, 1))
command_print(CMD_CTX, "Option Byte Complement Error");
@ -1337,6 +1344,9 @@ COMMAND_HANDLER(stm32x_handle_options_read_command)
else
command_print(CMD_CTX, "Readout Protection Off");
/* user option bytes are offset depending on variant */
optionbyte >>= stm32x_info->option_offset;
if (buf_get_u32((uint8_t *)&optionbyte, OPT_RDWDGSW, 1))
command_print(CMD_CTX, "Software Watchdog");
else
@ -1360,9 +1370,9 @@ COMMAND_HANDLER(stm32x_handle_options_read_command)
}
command_print(CMD_CTX, "User Option0: 0x%02" PRIx8,
(optionbyte >> stm32x_info->user_data_offset) & 0xff);
(user_data >> stm32x_info->user_data_offset) & 0xff);
command_print(CMD_CTX, "User Option1: 0x%02" PRIx8,
(optionbyte >> (stm32x_info->user_data_offset + 8)) & 0xff);
(user_data >> (stm32x_info->user_data_offset + 8)) & 0xff);
return ERROR_OK;
}