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DataFlash: AT45DB021 fix and AT45DB081 support 

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

Signed-off-by: Sergey Lapin <slapin@ossfans.org>
utp
Sergey Lapin 2008-08-09 01:39:09 +04:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent 81091f58f0
commit f77d92a3f5
2 changed files with 15 additions and 2 deletions
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15
drivers/mtd/dataflash.c
View File

@ -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;

2
include/dataflash.h
View File

@ -135,9 +135,9 @@ struct dataflash_addr {
int cs;
};
/*-------------------------------------------------------------------------------------------------*/
#define AT45DB161 0x2c
#define AT45DB021 0x14
#define AT45DB081 0x24
#define AT45DB321 0x34
#define AT45DB642 0x3c
#define AT45DB128 0x10