diff options
Diffstat (limited to 'recipes/u-boot/u-boot-2009.11/at91/vG20/0003-u-boot-Add-dataflash-page-size-power-2-support.patch')
| -rw-r--r-- | recipes/u-boot/u-boot-2009.11/at91/vG20/0003-u-boot-Add-dataflash-page-size-power-2-support.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/recipes/u-boot/u-boot-2009.11/at91/vG20/0003-u-boot-Add-dataflash-page-size-power-2-support.patch b/recipes/u-boot/u-boot-2009.11/at91/vG20/0003-u-boot-Add-dataflash-page-size-power-2-support.patch new file mode 100644 index 0000000000..6d3a8ca1da --- /dev/null +++ b/recipes/u-boot/u-boot-2009.11/at91/vG20/0003-u-boot-Add-dataflash-page-size-power-2-support.patch @@ -0,0 +1,65 @@ +From d2562a1fa3b745e1e088ae908f4493f8f9304bad Mon Sep 17 00:00:00 2001 +From: mlafauci <mlafauci@metodo2.it> +Date: Mon, 3 Oct 2011 22:49:31 +0200 +Subject: [PATCH 3/3] u-boot: Add dataflash page size power 2 support + +--- + drivers/mtd/dataflash.c | 15 +++++++++++++-- + include/dataflash.h | 1 + + 2 files changed, 14 insertions(+), 2 deletions(-) + +diff --git a/drivers/mtd/dataflash.c b/drivers/mtd/dataflash.c +index 96cd395..ab35e97 100644 +--- a/drivers/mtd/dataflash.c ++++ b/drivers/mtd/dataflash.c +@@ -42,6 +42,7 @@ int AT91F_DataflashInit (void) + int last_part; + int found[CONFIG_SYS_MAX_DATAFLASH_BANKS]; + unsigned char protected; ++ unsigned char powerOf2 = 0; + + AT91F_SpiInit (); + +@@ -52,6 +53,7 @@ int AT91F_DataflashInit (void) + dataflash_info[i].Device.pages_number = 0; + dfcode = AT91F_DataflashProbe (cs[i].cs, + &dataflash_info[i].Desc); ++ powerOf2 = dataflash_info[i].Desc.command[1] & PAGE_SIZE_POWER2; + + switch (dfcode) { + case AT45DB021: +@@ -104,8 +106,17 @@ int AT91F_DataflashInit (void) + + case AT45DB642: + dataflash_info[i].Device.pages_number = 8192; +- dataflash_info[i].Device.pages_size = 1056; +- dataflash_info[i].Device.page_offset = 11; ++ if (powerOf2) ++ { ++ //Binary page address ++ dataflash_info[i].Device.pages_size = 1024; ++ dataflash_info[i].Device.page_offset = 10; ++ } ++ else ++ { ++ dataflash_info[i].Device.pages_size = 1056; ++ dataflash_info[i].Device.page_offset = 11; ++ } + dataflash_info[i].Device.byte_mask = 0x700; + dataflash_info[i].Device.cs = cs[i].cs; + dataflash_info[i].Desc.DataFlash_state = IDLE; +diff --git a/include/dataflash.h b/include/dataflash.h +index 63b3bf9..2295d15 100644 +--- a/include/dataflash.h ++++ b/include/dataflash.h +@@ -142,6 +142,7 @@ struct dataflash_addr { + #define AT45DB642 0x3c + #define AT45DB128 0x10 + #define PAGES_PER_BLOCK 8 ++#define PAGE_SIZE_POWER2 0x01 + + #define AT91C_DATAFLASH_TIMEOUT 10000 /* For AT91F_DataFlashWaitReady */ + +-- +1.7.0.4 + |