STM32: Add Value Line Flash Programming Support

[openocd.git] / src / flash / nor / stm32x.c

diff --git a/src/flash/nor/stm32x.c b/src/flash/nor/stm32x.c
index 53fc4ea23a56ffcd9ebd81a2013d10fb5d5f53e8..ebdcde7b86375aba4df497ee7a33be8a8a581feb 100644 (file)
--- a/src/flash/nor/stm32x.c
+++ b/src/flash/nor/stm32x.c
@@ -743,6 +743,21 @@ static int stm32x_probe(struct flash_bank *bank)
                        num_pages = 256;
                }
        }
+       else if ((device_id & 0x7ff) == 0x420)
+       {
+               /* value line density - we have 1k pages
+                * 4 pages for a protection area */
+               page_size = 1024;
+               stm32x_info->ppage_size = 4;
+
+               /* check for early silicon */
+               if (num_pages == 0xffff)
+               {
+                       /* number of sectors may be incorrrect on early silicon */
+                       LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 128k flash");
+                       num_pages = 128;
+               }
+       }
        else
        {
                LOG_WARNING("Cannot identify target as a STM32 family.");
@@ -884,6 +899,27 @@ static int stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
                                break;
                }
        }
+       else if ((device_id & 0x7ff) == 0x420)
+       {
+               printed = snprintf(buf, buf_size, "stm32x (Value) - Rev: ");
+               buf += printed;
+               buf_size -= printed;
+
+               switch (device_id >> 16)
+               {
+                       case 0x1000:
+                               snprintf(buf, buf_size, "A");
+                               break;
+
+                       case 0x1001:
+                               snprintf(buf, buf_size, "Z");
+                               break;
+
+                       default:
+                               snprintf(buf, buf_size, "unknown");
+                               break;
+               }
+       }
        else
        {
                snprintf(buf, buf_size, "Cannot identify target as a stm32x\n");