kinetis : Add flash sector size detection for K21 MCU.

[openocd.git] / src / flash / nor / str7x.c

diff --git a/src/flash/nor/str7x.c b/src/flash/nor/str7x.c
index 49aaa3d78be1a052a00a21ef1e4515f2b5af2227..cbd8928e4c7224fdbf779b89df42adaa56214466 100644 (file)
--- a/src/flash/nor/str7x.c
+++ b/src/flash/nor/str7x.c
@@ -489,9 +489,10 @@ static int str7x_write_block(struct flash_bank *bank, uint8_t *buffer,
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        };
 
-       target_write_buffer(target, write_algorithm->address,
-                       sizeof(str7x_flash_write_code),
-                       (uint8_t *)str7x_flash_write_code);
+       uint8_t code[sizeof(str7x_flash_write_code)];
+       target_buffer_set_u32_array(target, code, ARRAY_SIZE(str7x_flash_write_code),
+                       str7x_flash_write_code);
+       target_write_buffer(target, write_algorithm->address, sizeof(code), code);
 
        /* memory buffer */
        while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK) {
@@ -707,13 +708,13 @@ COMMAND_HANDLER(str7x_handle_part_id_command)
 
 static int get_str7x_info(struct flash_bank *bank, char *buf, int buf_size)
 {
-       snprintf(buf, buf_size, "str7x flash driver info");
-       /* STR7x flash doesn't support sector protection interrogation.
-        * FLASH_NVWPAR acts as a write only register; its read value
-        * doesn't reflect the actual protection state of the sectors.
+       /* Setting the write protection on a sector is a permanent change but it
+        * can be disabled temporarily. FLASH_NVWPAR reflects the permanent
+        * protection state of the sectors, not the temporary.
         */
-       LOG_WARNING("STR7x flash lock information might not be correct "
-                       "due to hardware limitations.");
+       snprintf(buf, buf_size, "STR7x flash protection info is only valid after a power cycle, "
+                       "clearing the protection is only temporary and may not be reflected in the current "
+                       "info returned.");
        return ERROR_OK;
 }