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authorSpencer Oliver <ntfreak@users.sourceforge.net>2010-03-03 10:20:37 +0000
committerSpencer Oliver <ntfreak@users.sourceforge.net>2010-03-03 10:20:37 +0000
commit2119c0a7641d05ad8b6b8feb64d4c315716f6d3a (patch)
tree0b9339d01960df081b96bd1be1e58dd0307a154b
parent381ce4308c60c54e3a03d97e883302909b834875 (diff)
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STM32: Add Value Line Flash Programming Support
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
-rw-r--r--src/flash/nor/stm32x.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/flash/nor/stm32x.c b/src/flash/nor/stm32x.c
index 53fc4ea..ebdcde7 100644
--- 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");