diff options
Diffstat (limited to 'src/flash')
| -rw-r--r-- | src/flash/nor/at91sam4.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/flash/nor/at91sam4.c b/src/flash/nor/at91sam4.c index fd98b7f..ce3c1d1 100644 --- a/src/flash/nor/at91sam4.c +++ b/src/flash/nor/at91sam4.c @@ -722,10 +722,17 @@ static int FLASHD_ErasePages(struct sam4_bank_private *pPrivate, break; } + /* AT91C_EFC_FCMD_EPA + * According to the datasheet FARG[15:2] defines the page from which + * the erase will start.This page must be modulo 4, 8, 16 or 32 + * according to the number of pages to erase. FARG[1:0] defines the + * number of pages to be erased. Previously (firstpage << 2) was used + * to conform to this, seems it should not be shifted... + */ return EFC_PerformCommand(pPrivate, /* send Erase Page */ AT91C_EFC_FCMD_EPA, - (firstPage << 2) | erasePages, + (firstPage) | erasePages, status); } |