[U-Boot] [PATCH][AT91] DataFlash: AT45DB021 fix and AT45DB081 support

Sergey Lapin slapin at ossfans.org
Fri Aug 8 08:19:24 CEST 2008


Fix for page size of AT45DB021. Also adding bigger AT45DB081
which comes with some newer boards.

Signed-off-by: Sergey Lapin <slapin at ossfans.org>
---
 drivers/mtd/dataflash.c |   15 ++++++++++++++-
 include/dataflash.h     |    3 ++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/dataflash.c b/drivers/mtd/dataflash.c
index 0ad48cd..049da69 100644
--- a/drivers/mtd/dataflash.c
+++ b/drivers/mtd/dataflash.c
@@ -56,7 +56,7 @@ int AT91F_DataflashInit (void)
 		switch (dfcode) {
 		case AT45DB021:
 			dataflash_info[i].Device.pages_number = 1024;
-			dataflash_info[i].Device.pages_size = 263;
+			dataflash_info[i].Device.pages_size = 264;
 			dataflash_info[i].Device.page_offset = 9;
 			dataflash_info[i].Device.byte_mask = 0x300;
 			dataflash_info[i].Device.cs = cs[i].cs;
@@ -65,6 +65,19 @@ int AT91F_DataflashInit (void)
 			dataflash_info[i].id = dfcode;
 			found[i] += dfcode;;
 			break;
+
+		case AT45DB081:
+			dataflash_info[i].Device.pages_number = 4096;
+			dataflash_info[i].Device.pages_size = 264;
+			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;
diff --git a/include/dataflash.h b/include/dataflash.h
index 11e5188..d75d9b6 100644
--- a/include/dataflash.h
+++ b/include/dataflash.h
@@ -135,6 +135,7 @@ struct dataflash_addr {
 	int cs;
 };
 /*-------------------------------------------------------------------------------------------------*/
+#define AT45DB081	0x24
 #define AT45DB161	0x2c
 #define AT45DB021	0x14
 #define AT45DB321	0x34
-- 
1.5.4.1




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