wip.
What to do about protection?
Signed-off-by: Øyvind Harboe <oyvind.har...@zylin.com>
---
src/flash/nor/stm32x.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 86 insertions(+), 0 deletions(-)
diff --git a/src/flash/nor/stm32x.c b/src/flash/nor/stm32x.c
index 3914d25..52b0848 100644
--- a/src/flash/nor/stm32x.c
+++ b/src/flash/nor/stm32x.c
@@ -835,6 +835,16 @@ static int stm32x_write(struct flash_bank *bank, uint8_t
*buffer,
return target_write_u32(target, STM32_FLASH_CR, FLASH_LOCK);
}
+static void setup_sector(struct flash_bank *bank, int start, int num, int size)
+{
+ for (int i = start; i < (start + num) ; i++)
+ {
+ bank->sectors[i].offset = bank->size;
+ bank->sectors[i].size = size;
+ bank->size += bank->sectors[i].size;
+ }
+}
+
static int stm32x_probe(struct flash_bank *bank)
{
struct target *target = bank->target;
@@ -878,6 +888,57 @@ static int stm32x_probe(struct flash_bank *bank)
num_pages = 128;
}
}
+ else if ((device_id & 0x7ff) == 0x411)
+ {
+ /* sectors sizes vary, handle this in a different code path
+ * than the rest.
+ *
+ * RM0033
+ * http://www.st.com/internet/mcu/product/250192.jsp
+ *
+ * PM0059
+ *
www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/PROGRAMMING_MANUAL/CD00233952.pdf
+ *
+ * 1mByte part with 4 x 16, 1 x 64, 7 x 128kBytes sectors
+ *
+ * What's the protection page size???
+ *
+ * Tested with STM3220F-EVAL board.
+ *
+ */
+ // Uhhh.... what to use here?
+ stm32x_info->ppage_size = 4;
+
+ /* calculate numbers of pages*/
+ num_pages = 4 + 1 + 7;
+
+ if (bank->sectors)
+ {
+ free(bank->sectors);
+ bank->sectors = NULL;
+ }
+
+ bank->base = base_address;
+ bank->num_sectors = num_pages;
+ bank->sectors = malloc(sizeof(struct flash_sector) * num_pages);
+
+ bank->size = 0;
+ setup_sector(bank, 0, 4, 16 * 1024);
+ setup_sector(bank, 4, 1, 64 * 1024);
+ setup_sector(bank, 4+1, 7, 128 * 1024);
+
+ for (i = 0; i < num_pages; i++)
+ {
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 0;
+ }
+
+ LOG_INFO("flash size = %dkBytes", bank->size / 1024);
+
+ stm32x_info->probed = 1;
+
+ return ERROR_OK;
+ }
else if ((device_id & 0x7ff) == 0x412)
{
/* low density - we have 1k pages
@@ -1058,6 +1119,31 @@ static int get_stm32x_info(struct flash_bank *bank, char
*buf, int buf_size)
break;
}
}
+ else if ((device_id & 0x7ff) == 0x411)
+ {
+ printed = snprintf(buf, buf_size, "stm32x (1mByte part) - Rev:
");
+ buf += printed;
+ buf_size -= printed;
+
+ switch (device_id >> 16)
+ {
+ case 0x1000:
+ snprintf(buf, buf_size, "A");
+ break;
+
+ case 0x2000:
+ snprintf(buf, buf_size, "B");
+ break;
+
+ case 0x1001:
+ snprintf(buf, buf_size, "Z");
+ break;
+
+ default:
+ snprintf(buf, buf_size, "unknown");
+ break;
+ }
+ }
else if ((device_id & 0x7ff) == 0x412)
{
printed = snprintf(buf, buf_size, "stm32x (Low Density) - Rev:
");
--
1.7.0.4
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