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authormlafauci <mlafauci@metodo2.it>2011-10-24 08:25:48 +0200
committerMarco Cavallini <m.cavallini@koansoftware.com>2011-11-04 15:21:36 +0100
commitaceb87fdda970456611b88128b715d0397820e2d (patch)
treed16fd76aef4fa1b6f71e4f62f576094c983257d8 /recipes/u-boot/u-boot-2009.11/at91/vG20/0003-u-boot-Add-dataflash-page-size-power-2-support.patch
parent627e9ed13b18455fa5c99916a247c453f7a16ed0 (diff)
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u-boot: Add vulcanoG20 machine
Signed-off-by: Marco Cavallini <m.cavallini@koansoftware.com>
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.patch65
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
+