From 800eb09641ae67c707b65acff112684a954b7f44 Mon Sep 17 00:00:00 2001
From: Michael Zaidman <michael.zaidman@gmail.com>
Date: Mon, 20 Sep 2010 08:51:53 +0200
Subject: 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>
---
 include/post.h | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)

(limited to 'include/post.h')

diff --git a/include/post.h b/include/post.h
index 3da959d..625da55 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 */
-- 
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