flash: Constify write buffer

[openocd] / src / flash / nor / stm32lx.c

diff --git a/src/flash/nor/stm32lx.c b/src/flash/nor/stm32lx.c
index b1c8eca5e91727f8c17a599e7da287aa34f3b1c0..75cecce61e5c923fd8d0fed88a86fff3ea9b19f1 100644 (file)
--- a/src/flash/nor/stm32lx.c
+++ b/src/flash/nor/stm32lx.c
@@ -149,6 +149,9 @@ FLASH_BANK_COMMAND_HANDLER(stm32lx_flash_bank_command)
        stm32lx_info->has_dual_banks = false;
        stm32lx_info->user_bank_size = bank->size;
 
+       /* the stm32l erased value is 0x00 */
+       bank->default_padded_value = 0x00;
+
        return ERROR_OK;
 }
 
@@ -209,7 +212,7 @@ static int stm32lx_protect(struct flash_bank *bank, int set, int first,
        return ERROR_OK;
 }
 
-static int stm32lx_write_half_pages(struct flash_bank *bank, uint8_t *buffer,
+static int stm32lx_write_half_pages(struct flash_bank *bank, const uint8_t *buffer,
                uint32_t offset, uint32_t count)
 {
        struct target *target = bank->target;
@@ -400,7 +403,7 @@ static int stm32lx_write_half_pages(struct flash_bank *bank, uint8_t *buffer,
        return retval;
 }
 
-static int stm32lx_write(struct flash_bank *bank, uint8_t *buffer,
+static int stm32lx_write(struct flash_bank *bank, const uint8_t *buffer,
                uint32_t offset, uint32_t count)
 {
        struct target *target = bank->target;
@@ -550,6 +553,12 @@ static int stm32lx_probe(struct flash_bank *bank)
                first_bank_size_in_kb = 192;
                stm32lx_info->has_dual_banks = true;
                break;
+       case 0x437:
+               /* Dual bank, high density */
+               max_flash_size_in_kb = 512;
+               first_bank_size_in_kb = 192;
+               stm32lx_info->has_dual_banks = true;
+               break;
        default:
                LOG_WARNING("Cannot identify target as a STM32L family.");
                return ERROR_FAIL;
@@ -558,7 +567,8 @@ static int stm32lx_probe(struct flash_bank *bank)
        /* Get the flash size from target.  0x427 and 0x436 devices use a
         * different location for the Flash Size register, please see RM0038 r8 or
         * newer. */
-       if ((device_id & 0xfff) == 0x427 || (device_id & 0xfff) == 0x436)
+       if ((device_id & 0xfff) == 0x427 || (device_id & 0xfff) == 0x436 ||
+               (device_id & 0xfff) == 0x437)
                        retval = target_read_u16(target, F_SIZE_MP, &flash_size_in_kb);
        else
                        retval = target_read_u16(target, F_SIZE, &flash_size_in_kb);
@@ -779,6 +789,10 @@ static int stm32lx_get_info(struct flash_bank *bank, char *buf, int buf_size)
                }
                break;
 
+       case 0x437:
+               device_str = "STM32L1xx (Medium+/High Density)";
+               break;
+
        default:
                snprintf(buf, buf_size, "Cannot identify target as a STM32L1");
                return ERROR_FAIL;