POST cleanup.

- Revives POST for blackfin arch;
- Removes redundant code:
     arch/blackfin/lib/post.c
     arch/powerpc/cpu/ppc4xx/commproc.c
     arch/powerpc/cpu/mpc512x/common.c
- fixes up the post_word_{load|store} usage.

Signed-off-by: Michael Zaidman <michael.zaidman@gmail.com>
Acked-by: Detlev Zundel <dzu@denx.de>
Tested-by: Anatolij Gustschin <agust@denx.de>

List of the maintainers of the affected by patch boards:
Cc: Stephan Linz <linz@li-pro.net>
Cc: Denis Peter <d.peter@mpl.ch>
Cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Niklaus Giger <niklaus.giger@netstal.com>
Cc: Larry Johnson <lrj@acm.org>
Cc: Feng Kan <fkan@amcc.com>

30 files changed, 97 insertions, 55 deletions

diff --git a/include/common.h b/include/common.h
index 6a79ec2aad4..b7193e671d4 100644
--- a/include/common.h
+++ b/include/common.h
@@ -585,8 +585,6 @@ uint	dpram_base(void);
 uint	dpram_base_align(uint align);
 uint	dpram_alloc(uint size);
 uint	dpram_alloc_align(uint size,uint align);
-void	post_word_store (ulong);
-ulong	post_word_load (void);
 void	bootcount_store (ulong);
 ulong	bootcount_load (void);
 #define BOOTCOUNT_MAGIC		0xB001C041
@@ -727,6 +725,9 @@ int cpu_release(int nr, int argc, char * const argv[]);
 
 #ifdef CONFIG_POST
 #define CONFIG_HAS_POST
+#ifndef CONFIG_POST_ALT_LIST
+#define CONFIG_POST_STD_LIST
+#endif
 #endif
 
 #ifdef CONFIG_INIT_CRITICAL
diff --git a/include/configs/KAREF.h b/include/configs/KAREF.h
index 49a7378f272..05f7254fca3 100644
--- a/include/configs/KAREF.h
+++ b/include/configs/KAREF.h
@@ -82,8 +82,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE     128	     /* num bytes initial data	*/
 
 #define CONFIG_SYS_GBL_DATA_OFFSET   (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR    (CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET    CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET    (CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 #define CONFIG_SYS_MONITOR_LEN	      (256 * 1024)   /* Rsrv 256kB for Mon	*/
 #define CONFIG_SYS_MALLOC_LEN	      (128 * 1024)   /* Rsrv 128kB for malloc	*/
diff --git a/include/configs/METROBOX.h b/include/configs/METROBOX.h
index e7429dd1997..30a3035bc19 100644
--- a/include/configs/METROBOX.h
+++ b/include/configs/METROBOX.h
@@ -144,8 +144,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE     128	     /* num bytes initial data	*/
 
 #define CONFIG_SYS_GBL_DATA_OFFSET   (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR    (CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET    CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET    (CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 #define CONFIG_SYS_MONITOR_LEN	      (256 * 1024)   /* Rsrv 256kB for Mon	*/
 #define CONFIG_SYS_MALLOC_LEN	      (128 * 1024)   /* Rsrv 128kB for malloc	*/
diff --git a/include/configs/MIP405.h b/include/configs/MIP405.h
index 7e6484ee94e..ff9496bc179 100644
--- a/include/configs/MIP405.h
+++ b/include/configs/MIP405.h
@@ -305,10 +305,6 @@
 /* reserve some memory for POST and BOOT limit info */
 #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 32)
 
-#ifdef  CONFIG_POST		/* reserve one word for POST Info */
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 4)
-#endif
-
 #ifdef CONFIG_BOOTCOUNT_LIMIT /* reserve 2 word for bootcount limit */
 #define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_GBL_DATA_OFFSET - 12)
 #endif
diff --git a/include/configs/PMC440.h b/include/configs/PMC440.h
index 3c19f52d9ce..cc0ea7fdc44 100644
--- a/include/configs/PMC440.h
+++ b/include/configs/PMC440.h
@@ -90,7 +90,7 @@
 #define CONFIG_SYS_INIT_RAM_END	(4 << 10)
 #define CONFIG_SYS_GBL_DATA_SIZE	256	/* num bytes initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * Serial Port
@@ -373,7 +373,6 @@
 				 CONFIG_SYS_POST_ETHER  |	\
 				 CONFIG_SYS_POST_SPR)
 
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 #define CONFIG_LOGBUFFER
 #define CONFIG_SYS_POST_CACHE_ADDR	0x7fff0000	/* free virtual address     */
 
diff --git a/include/configs/TB5200.h b/include/configs/TB5200.h
index 6da18ebca11..7a6602ce387 100644
--- a/include/configs/TB5200.h
+++ b/include/configs/TB5200.h
@@ -126,7 +126,7 @@
 #endif
 
 #ifdef CONFIG_POST
-#define CONFIG__CMD_DIAG
+#define CONFIG_CMD_DIAG
 #endif
 
 
diff --git a/include/configs/XPEDITE1000.h b/include/configs/XPEDITE1000.h
index cf39aeaaf7b..dfeaf74d156 100644
--- a/include/configs/XPEDITE1000.h
+++ b/include/configs/XPEDITE1000.h
@@ -103,8 +103,7 @@ extern void out32(unsigned int, unsigned long);
 #define CONFIG_SYS_INIT_RAM_END		0x2000	/* End of used area in RAM */
 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* num bytes initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 #define CONFIG_SYS_MONITOR_LEN	(512 * 1024)	/* Reserve 512 KB for Mon */
 #define CONFIG_SYS_MALLOC_LEN	(1024 * 1024)	/* Reserved for malloc */
diff --git a/include/configs/alpr.h b/include/configs/alpr.h
index ee0c14d9603..326b324fa35 100644
--- a/include/configs/alpr.h
+++ b/include/configs/alpr.h
@@ -66,8 +66,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE   128		    /* num bytes initial data	*/
 
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 #define CONFIG_SYS_MONITOR_LEN	    (256 * 1024)    /* Reserve 256 kB for Mon	*/
 #define CONFIG_SYS_MALLOC_LEN	    (128 * 1024)    /* Reserve 128 kB for malloc*/
diff --git a/include/configs/barco.h b/include/configs/barco.h
index e00f84aab4c..b1af7011790 100644
--- a/include/configs/barco.h
+++ b/include/configs/barco.h
@@ -136,6 +136,8 @@
 #define CONFIG_LOGBUFFER
 #ifdef	CONFIG_LOGBUFFER
 #define CONFIG_SYS_STDOUT_ADDR		0x1FFC000
+#define CONFIG_SYS_POST_WORD_ADDR	\
+		(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_MAX_RAM_SIZE - 4)
 #else
 #define CONFIG_SYS_STDOUT_ADDR		0x2B9000
 #endif
diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h
index 96704d77b06..fc9784e0830 100644
--- a/include/configs/bf537-stamp.h
+++ b/include/configs/bf537-stamp.h
@@ -265,6 +265,7 @@
 #define FLASH_START_POST_BLOCK	11	/* Should > = 11 */
 #define FLASH_END_POST_BLOCK	71	/* Should < = 71 */
 #endif
+#define CONFIG_SYS_POST_WORD_ADDR	0xFF903FFC
 
 /* These are for board tests */
 #if 0
diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h
index 44762689ceb..91dcaccb4fb 100644
--- a/include/configs/bfin_adi_common.h
+++ b/include/configs/bfin_adi_common.h
@@ -50,6 +50,7 @@
 # endif
 # ifdef CONFIG_POST
 #  define CONFIG_CMD_DIAG
+#  define CONFIG_POST_ALT_LIST
 # endif
 # ifdef CONFIG_RTC_BFIN
 #  define CONFIG_CMD_DATE
diff --git a/include/configs/hcu4.h b/include/configs/hcu4.h
index 369b36894f8..26992e7538d 100644
--- a/include/configs/hcu4.h
+++ b/include/configs/hcu4.h
@@ -72,7 +72,7 @@
 #define CONFIG_SYS_INIT_RAM_END	CONFIG_SYS_OCM_DATA_SIZE
 #define CONFIG_SYS_GBL_DATA_SIZE	256		/* num bytes initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * Serial Port
@@ -192,7 +192,6 @@
 				 CONFIG_SYS_POST_SPR)
 
 #define CONFIG_SYS_POST_UART_TABLE	{UART0_BASE}
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 #undef  CONFIG_LOGBUFFER
 #define CONFIG_SYS_POST_CACHE_ADDR	0x00800000 /* free virtual address	*/
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV /* Otherwise it catches logbuffer as output */
diff --git a/include/configs/hcu5.h b/include/configs/hcu5.h
index 26d2d0c9d3a..5adcc0f028e 100644
--- a/include/configs/hcu5.h
+++ b/include/configs/hcu5.h
@@ -86,7 +86,7 @@
 #define CONFIG_SYS_INIT_RAM_END	(4 << 10)
 #define CONFIG_SYS_GBL_DATA_SIZE	256		/* num bytes initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * Serial Port
@@ -212,9 +212,8 @@
 				 CONFIG_SYS_POST_FPU	   | \
 				 CONFIG_SYS_POST_ETHER	   | \
 				 CONFIG_SYS_POST_SPR)
-#define CONFIG_SYS_POST_UART_TABLE	{UART0_BASE}
 
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
+#define CONFIG_SYS_POST_UART_TABLE	{UART0_BASE}
 #define CONFIG_SYS_POST_CACHE_ADDR	0x7fff0000 /* free virtual address	*/
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV /* Otherwise it catches logbuffer as output */
 
diff --git a/include/configs/hmi1001.h b/include/configs/hmi1001.h
index f9cdcbc3ce0..d40b7a9f52e 100644
--- a/include/configs/hmi1001.h
+++ b/include/configs/hmi1001.h
@@ -190,14 +190,16 @@
 
 /* Use ON-Chip SRAM until RAM will be available */
 #define CONFIG_SYS_INIT_RAM_ADDR	MPC5XXX_SRAM
-#ifdef CONFIG_POST
+
 /* preserve space for the post_word at end of on-chip SRAM */
+#define MPC5XXX_SRAM_POST_SIZE (MPC5XXX_SRAM_SIZE - 4)
+
+#ifdef CONFIG_POST
 #define CONFIG_SYS_INIT_RAM_END	MPC5XXX_SRAM_POST_SIZE
 #else
 #define CONFIG_SYS_INIT_RAM_END	MPC5XXX_SRAM_SIZE
 #endif
 
-
 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
diff --git a/include/configs/icon.h b/include/configs/icon.h
index 7a4e60cbc00..eb419ebfdc9 100644
--- a/include/configs/icon.h
+++ b/include/configs/icon.h
@@ -100,8 +100,7 @@
 
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - \
 					 CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*
  * Serial Port
diff --git a/include/configs/inka4x0.h b/include/configs/inka4x0.h
index c5b1565e340..69365e60bfb 100644
--- a/include/configs/inka4x0.h
+++ b/include/configs/inka4x0.h
@@ -200,14 +200,16 @@
 
 /* Use ON-Chip SRAM until RAM will be available */
 #define CONFIG_SYS_INIT_RAM_ADDR	MPC5XXX_SRAM
-#ifdef CONFIG_POST
+
 /* preserve space for the post_word at end of on-chip SRAM */
+#define MPC5XXX_SRAM_POST_SIZE (MPC5XXX_SRAM_SIZE - 4)
+
+#ifdef CONFIG_POST
 #define CONFIG_SYS_INIT_RAM_END	MPC5XXX_SRAM_POST_SIZE
 #else
 #define CONFIG_SYS_INIT_RAM_END	MPC5XXX_SRAM_SIZE
 #endif
 
-
 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
diff --git a/include/configs/katmai.h b/include/configs/katmai.h
index 2a7ab8de0ee..5d14a10f581 100644
--- a/include/configs/katmai.h
+++ b/include/configs/katmai.h
@@ -99,8 +99,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE	128		/* num bytes initial data */
 
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * Serial Port
diff --git a/include/configs/kilauea.h b/include/configs/kilauea.h
index 48dc9463a8d..8f813dd03c9 100644
--- a/include/configs/kilauea.h
+++ b/include/configs/kilauea.h
@@ -103,11 +103,10 @@
 
 #if defined(CONFIG_SYS_INIT_DCACHE_CS)
 # define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
-# define CONFIG_SYS_POST_ALT_WORD_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + GPT0_COMP6)
+# define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + GPT0_COMP6)
 #else
 # define CONFIG_SYS_INIT_EXTRA_SIZE	16
 # define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_EXTRA_SIZE)
-# define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 4)
 # define CONFIG_SYS_OCM_DATA_ADDR	CONFIG_SYS_INIT_RAM_ADDR
 #endif /* defined(CONFIG_SYS_INIT_DCACHE_CS) */
 
diff --git a/include/configs/korat.h b/include/configs/korat.h
index f95df684ea8..23da72fea3f 100644
--- a/include/configs/korat.h
+++ b/include/configs/korat.h
@@ -88,7 +88,7 @@
 #define CONFIG_SYS_INIT_RAM_END	(4 << 10)
 #define CONFIG_SYS_GBL_DATA_SIZE	256	/* num bytes initial data	*/
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*
  * Serial Port
@@ -306,7 +306,6 @@
 				 CONFIG_SYS_POST_SPR	| \
 				 CONFIG_SYS_POST_UART)
 
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 #define CONFIG_LOGBUFFER
 #define CONFIG_SYS_POST_CACHE_ADDR	0xC8000000	/* free virtual address     */
 
diff --git a/include/configs/lwmon5.h b/include/configs/lwmon5.h
index 6461124e56c..295a18ed144 100644
--- a/include/configs/lwmon5.h
+++ b/include/configs/lwmon5.h
@@ -84,7 +84,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE	256		/* num bytes initial data*/
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
-#define CONFIG_SYS_POST_ALT_WORD_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + GPT0_COMP6)
+#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + GPT0_COMP6)
 						/* unused GPT0 COMP reg	*/
 #define CONFIG_SYS_MEM_TOP_HIDE	(4 << 10) /* don't use last 4kbytes	*/
 					/* 440EPx errata CHIP 11	*/
diff --git a/include/configs/makalu.h b/include/configs/makalu.h
index 52339f9c635..f24d4996fa0 100644
--- a/include/configs/makalu.h
+++ b/include/configs/makalu.h
@@ -101,11 +101,10 @@
 
 #if defined(CONFIG_SYS_INIT_DCACHE_CS)
 # define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
-# define CONFIG_SYS_POST_ALT_WORD_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + GPT0_COMP6)
+# define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + GPT0_COMP6)
 #else
 # define CONFIG_SYS_INIT_EXTRA_SIZE	16
 # define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_EXTRA_SIZE)
-# define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 4)
 # define CONFIG_SYS_OCM_DATA_ADDR	CONFIG_SYS_INIT_RAM_ADDR
 #endif /* defined(CONFIG_SYS_INIT_DCACHE_CS) */
 
diff --git a/include/configs/mcu25.h b/include/configs/mcu25.h
index 5f311988368..50bed109203 100644
--- a/include/configs/mcu25.h
+++ b/include/configs/mcu25.h
@@ -72,7 +72,7 @@
 #define CONFIG_SYS_INIT_RAM_END	CONFIG_SYS_OCM_DATA_SIZE
 #define CONFIG_SYS_GBL_DATA_SIZE	256		/* num bytes initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * Serial Port
@@ -200,7 +200,6 @@
 				 CONFIG_SYS_POST_SPR)
 
 #define CONFIG_SYS_POST_UART_TABLE	{UART0_BASE}
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 #undef  CONFIG_LOGBUFFER
 #define CONFIG_SYS_POST_CACHE_ADDR	0x00800000 /* free virtual address	*/
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV /* Otherwise it catches logbuffer as output */
diff --git a/include/configs/mpc5121-common.h b/include/configs/mpc5121-common.h
index 96fab209367..afae1ab6dae 100644
--- a/include/configs/mpc5121-common.h
+++ b/include/configs/mpc5121-common.h
@@ -30,8 +30,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE	0x100	/* num bytes of initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - \
 					 CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 #define CONFIG_SYS_MEMTEST_START	0x00200000	/* memtest region */
 #define CONFIG_SYS_MEMTEST_END		0x00400000
diff --git a/include/configs/ocotea.h b/include/configs/ocotea.h
index 2e809b0f338..9cb66b7c132 100644
--- a/include/configs/ocotea.h
+++ b/include/configs/ocotea.h
@@ -75,8 +75,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE   128		    /* num bytes initial data	*/
 
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * Serial Port
diff --git a/include/configs/redwood.h b/include/configs/redwood.h
index 4b744a79499..87adbf80498 100644
--- a/include/configs/redwood.h
+++ b/include/configs/redwood.h
@@ -87,8 +87,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE	128		/* num bytes initial data */
 
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * DDR SDRAM
diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h
index 568d9fc0cd5..ee4391f0060 100644
--- a/include/configs/sequoia.h
+++ b/include/configs/sequoia.h
@@ -100,7 +100,7 @@
 #define CONFIG_SYS_INIT_RAM_END	(4 << 10)
 #define CONFIG_SYS_GBL_DATA_SIZE	256	/* num bytes initial data	*/
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*
  * Serial Port
@@ -357,7 +357,6 @@
 				 CONFIG_SYS_POST_SPR	   | \
 				 CONFIG_SYS_POST_UART)
 
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 #define CONFIG_LOGBUFFER
 #define CONFIG_SYS_POST_CACHE_ADDR	0x7fff0000	/* free virtual address     */
 
diff --git a/include/configs/taishan.h b/include/configs/taishan.h
index 6423fd7f481..394dd8d8b06 100644
--- a/include/configs/taishan.h
+++ b/include/configs/taishan.h
@@ -71,8 +71,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE	128		/* num bytes initial data*/
 
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * Serial Port
diff --git a/include/configs/yucca.h b/include/configs/yucca.h
index 0b4dfb8e73f..798c75a125e 100644
--- a/include/configs/yucca.h
+++ b/include/configs/yucca.h
@@ -100,8 +100,7 @@
 #define CONFIG_SYS_GBL_DATA_SIZE	128		/* num bytes initial data */
 
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_POST_WORD_ADDR
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 
 /*-----------------------------------------------------------------------
  * Serial Port
diff --git a/include/configs/zeus.h b/include/configs/zeus.h
index 3b2aede4fdd..29ada9e56e7 100644
--- a/include/configs/zeus.h
+++ b/include/configs/zeus.h
@@ -255,9 +255,10 @@
 #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_GBL_DATA_OFFSET - 16)
 
 /* extra data in OCM */
-#define CONFIG_SYS_POST_WORD_ADDR	(CONFIG_SYS_GBL_DATA_OFFSET - 4)
-#define CONFIG_SYS_POST_MAGIC		(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 8)
-#define CONFIG_SYS_POST_VAL		(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 12)
+#define CONFIG_SYS_POST_MAGIC		\
+		(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 8)
+#define CONFIG_SYS_POST_VAL		\
+		(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 12)
 
 /*-----------------------------------------------------------------------
  * External Bus Controller (EBC) Setup
diff --git a/include/post.h b/include/post.h
index 3da959d9a35..625da5593f7 100644
--- a/include/post.h
+++ b/include/post.h
@@ -2,6 +2,10 @@
  * (C) Copyright 2002
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
+ * (C) Copyright 2010
+ * Michael Zaidman, Kodak, michael.zaidman@kodak.com
+ * post_word_{load|store} cleanup.
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -25,8 +29,59 @@
 
 #ifndef	__ASSEMBLY__
 #include <common.h>
+#include <asm/io.h>
+
+#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
+
+#ifdef CONFIG_SYS_POST_WORD_ADDR
+#define _POST_WORD_ADDR	CONFIG_SYS_POST_WORD_ADDR
+#else
+
+#ifdef CONFIG_MPC5xxx
+#define _POST_WORD_ADDR	(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE)
+
+#elif defined(CONFIG_MPC512X)
+#define _POST_WORD_ADDR \
+	(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
+
+#elif defined(CONFIG_8xx)
+#define _POST_WORD_ADDR \
+	(((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR)
+
+#elif defined(CONFIG_MPC8260)
+#include <asm/cpm_8260.h>
+#define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
+
+#elif defined(CONFIG_MPC8360)
+#include <asm/immap_qe.h>
+#define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
+
+#elif defined (CONFIG_MPC85xx)
+#include <asm/cpm_85xx.h>
+#define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
+
+#elif defined (CONFIG_4xx)
+#define _POST_WORD_ADDR \
+	(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
 #endif
 
+#ifndef _POST_WORD_ADDR
+#error "_POST_WORD_ADDR currently not implemented for this platform!"
+#endif
+#endif /* CONFIG_SYS_POST_WORD_ADDR */
+
+static inline ulong post_word_load (void)
+{
+	return in_le32((volatile void *)(_POST_WORD_ADDR));
+}
+
+static inline void post_word_store (ulong value)
+{
+	out_le32((volatile void *)(_POST_WORD_ADDR), value);
+}
+#endif /* defined (CONFIG_POST) || defined(CONFIG_LOGBUFFER) */
+#endif /* __ASSEMBLY__ */
+
 #ifdef CONFIG_POST
 
 #define POST_POWERON		0x01	/* test runs on power-on booting */
@@ -40,7 +95,7 @@
 #define POST_RAM		0x0200	/* test runs in RAM */
 #define POST_MANUAL		0x0400	/* test runs on diag command */
 #define POST_REBOOT		0x0800	/* test may cause rebooting */
-#define POST_PREREL             0x1000  /* test runs before relocation */
+#define POST_PREREL		0x1000  /* test runs before relocation */
 
 #define POST_CRITICAL		0x2000	/* Use failbootcmd if test failed */
 #define POST_STOP		0x4000	/* Interrupt POST sequence on fail */