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authorAngus Gratton <gus@projectgus.com>2014-02-12 22:32:47 +1100
committerPaul Fertser <fercerpav@gmail.com>2014-03-29 07:15:36 +0000
commit6f62e2428efe93735e828d60fec2cfc63c4ca753 (patch)
tree08dfb9af903592802d768a4d2671bc0c9032a516
parentfb897cc805fe193a1ee2f295f284e421660793d5 (diff)
AT91SAM4L: Fix bug when writing to flash at a non-zero offset, add debug
output for flash page writes The offset wasn't being considered in the "full page" write codepath, so any writes at an offset were actually written out starting from page 0. Change-Id: I5e70a1f35f144b3edd1ce6d9df9af9b5da6cf194 Signed-off-by: Angus Gratton <gus@projectgus.com> Reviewed-on: http://openocd.zylin.com/1965 Tested-by: jenkins Reviewed-by: Andrey Yurovsky <yurovsky@gmail.com> Reviewed-by: Paul Fertser <fercerpav@gmail.com>
-rw-r--r--src/flash/nor/at91sam4l.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/flash/nor/at91sam4l.c b/src/flash/nor/at91sam4l.c
index 9f1319b6..0139f61c 100644
--- a/src/flash/nor/at91sam4l.c
+++ b/src/flash/nor/at91sam4l.c
@@ -499,6 +499,8 @@ static int sam4l_write_page(struct sam4l_info *chip, struct target *target,
{
int res;
+ LOG_DEBUG("sam4l_write_page address=%08" PRIx32, address);
+
/* Clear the page buffer before we write to it */
res = sam4l_flash_command(target, SAM4L_FCMD_CPB, -1);
if (res != ERROR_OK) {
@@ -535,6 +537,8 @@ static int sam4l_write_page_partial(struct sam4l_info *chip,
if (!pg)
return ERROR_FAIL;
+ LOG_DEBUG("sam4l_write_page_partial address=%08" PRIx32 " nb=%08" PRIx32, address, nb);
+
assert(page_offset + nb < chip->page_size);
assert((address % chip->page_size) == 0);
@@ -563,6 +567,8 @@ static int sam4l_write(struct flash_bank *bank, const uint8_t *buffer,
uint32_t nb = 0;
struct sam4l_info *chip = (struct sam4l_info *)bank->driver_priv;
+ LOG_DEBUG("sam4l_write offset=%08" PRIx32 " count=%08" PRIx32, offset, count);
+
if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
@@ -605,14 +611,14 @@ static int sam4l_write(struct flash_bank *bank, const uint8_t *buffer,
for (int i = 0; i < np; i++) {
if (count >= chip->page_size) {
res = sam4l_write_page(chip, bank->target,
- bank->base + (i * chip->page_size),
+ bank->base + offset,
buffer + (i * chip->page_size));
/* Advance one page */
offset += chip->page_size;
count -= chip->page_size;
} else {
res = sam4l_write_page_partial(chip, bank,
- bank->base + (i * chip->page_size),
+ bank->base + offset,
buffer + (i * chip->page_size), 0, count);
/* We're done after this. */
offset += count;