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authorSpencer Oliver <ntfreak@users.sourceforge.net>2010-12-08 17:07:08 +0000
committerSpencer Oliver <ntfreak@users.sourceforge.net>2010-12-10 13:36:09 +0000
commit26ba6ea51113ddf2e2962f5f6edabe56fd532eb5 (patch)
treef213214b9c93c87daf9342bfb26e61d59843c3a4 /src/flash/nor
parentfe4fe623d540993d9769615a8631c732b5f3c9ea (diff)
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cfi: allow optional buffer write support
Some flash's do not support buffer writes, so we now check they are supported before trying to use them. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
Diffstat (limited to 'src/flash/nor')
-rw-r--r--src/flash/nor/cfi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/flash/nor/cfi.c b/src/flash/nor/cfi.c
index 7f2d0a5b..09caa2eb 100644
--- a/src/flash/nor/cfi.c
+++ b/src/flash/nor/cfi.c
@@ -2051,6 +2051,13 @@ static int cfi_write_words(struct flash_bank *bank, uint8_t *word,
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ if (cfi_info->buf_write_timeout_typ == 0)
+ {
+ /* buffer writes are not supported */
+ LOG_DEBUG("Buffer Writes Not Supported");
+ return ERROR_FLASH_OPER_UNSUPPORTED;
+ }
+
switch (cfi_info->pri_id)
{
case 1:
@@ -2241,6 +2248,8 @@ static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset,
count -= buffersize;
fallback = 0;
}
+ else if (retval != ERROR_FLASH_OPER_UNSUPPORTED)
+ return retval;
}
/* try the slow way? */
if (fallback)