diff options
| author | Sergey Lapin <slapin@ossfans.org> | 2008-06-05 11:06:29 +0400 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2008-07-10 22:50:28 +0200 |
| commit | c6457e3b8bc79a97381cf7deffa08f7c5a24f86c (patch) | |
| tree | b7484c31084984d78738379c0533640111f027cb | |
| parent | 4109df6f75fc00ab7da56d286ba50149a0d16a69 (diff) | |
DataFlash AT45DB021 support
Some boards based on AT91SAM926X-EK use smaller DF chips to keep
bootstrap, u-boot and its environment, using NAND or other external
storage for kernel and rootfs. This patch adds support for
small 1024x263 chip.
Signed-off-by: Sergey Lapin <slapin@ossfans.org>
| -rw-r--r-- | drivers/mtd/dataflash.c | 14 | ||||
| -rw-r--r-- | include/dataflash.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/mtd/dataflash.c b/drivers/mtd/dataflash.c index 8247aa03b..a092dc634 100644 --- a/drivers/mtd/dataflash.c +++ b/drivers/mtd/dataflash.c @@ -54,6 +54,17 @@ int AT91F_DataflashInit (void) &dataflash_info[i].Desc); switch (dfcode) { + case AT45DB021: + dataflash_info[i].Device.pages_number = 1024; + dataflash_info[i].Device.pages_size = 263; + dataflash_info[i].Device.page_offset = 9; + dataflash_info[i].Device.byte_mask = 0x300; + dataflash_info[i].Device.cs = cs[i].cs; + dataflash_info[i].Desc.DataFlash_state = IDLE; + dataflash_info[i].logical_address = cs[i].addr; + dataflash_info[i].id = dfcode; + found[i] += dfcode;; + break; case AT45DB161: dataflash_info[i].Device.pages_number = 4096; dataflash_info[i].Device.pages_size = 528; @@ -178,6 +189,9 @@ void dataflash_print_info (void) if (dataflash_info[i].id != 0) { printf("DataFlash:"); switch (dataflash_info[i].id) { + case AT45DB021: + printf("AT45DB021\n"); + break; case AT45DB161: printf("AT45DB161\n"); break; diff --git a/include/dataflash.h b/include/dataflash.h index f20c73868..80f0633aa 100644 --- a/include/dataflash.h +++ b/include/dataflash.h @@ -137,6 +137,7 @@ struct dataflash_addr { /*-------------------------------------------------------------------------------------------------*/ #define AT45DB161 0x2c +#define AT45DB021 0x14 #define AT45DB321 0x34 #define AT45DB642 0x3c #define AT45DB128 0x10 |