[U-Boot] [PATCH] stxamc8548: make environment use one of the smaller "boot" blocks in flash

[oakad at yahoo.com]

From: Alex Dubov <oakad at yahoo.com>

Put environment into .ppcenv section aligned on a smaller "boot" eraseblock
boundary near flash end.

Signed-off-by: Alex Dubov <oakad at yahoo.com>
---
 board/stx/stxamc8548/u-boot.lds |   11 ++++++++++-
 include/configs/stxamc8548.h    |    3 ++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/board/stx/stxamc8548/u-boot.lds b/board/stx/stxamc8548/u-boot.lds
index 57c4e51..6b46c60 100644
--- a/board/stx/stxamc8548/u-boot.lds
+++ b/board/stx/stxamc8548/u-boot.lds
@@ -109,16 +109,25 @@ SECTIONS
   __ex_table : { *(__ex_table) }
   __stop___ex_table = .;
 
+  .ppcenv ADDR(.text) + 0x38000 :
+  {
+    *(.ppcenv)
+  }
+
   . = ALIGN(256);
+
   __init_begin = .;
   .text.init : { *(.text.init) }
   .data.init : { *(.data.init) }
+
+
   . = ALIGN(256);
   __init_end = .;
 
+
   .bootpg ADDR(.text) + 0x3f000 :
   {
-    cpu/mpc85xx/start.o	(.bootpg)
+    cpu/mpc85xx/start.o (.bootpg)
   } :text = 0xffff
 
   .resetvec ADDR(.text) + 0x3fffc :
diff --git a/include/configs/stxamc8548.h b/include/configs/stxamc8548.h
index c01a4bb..cecd858 100644
--- a/include/configs/stxamc8548.h
+++ b/include/configs/stxamc8548.h
@@ -246,9 +246,10 @@ extern unsigned long get_clock_freq(void);
  * Environment
  */
 #define CONFIG_ENV_IS_IN_FLASH 1
+#define CONFIG_SYS_USE_PPCENV  1
 #define CONFIG_ENV_ADDR        (CONFIG_SYS_MONITOR_BASE + 0x38000)
 #define CONFIG_ENV_SECT_SIZE   0x4000   /* 16K(one sector) for env */
-#define CONFIG_ENV_SIZE        0x2000
+#define CONFIG_ENV_SIZE        0x4000
 
 #define CONFIG_LOADS_ECHO             1 /* echo on for serial download */
 #define CONFIG_SYS_LOADS_BAUD_CHANGE  1 /* allow baudrate change */
-- 
1.5.6.4