The patch introduces the CRITICAL feature of POST tests. If the test marked as POST_CRITICAL fails then the alternative, post_critical, boot-command is used. If this command is not defined then U-Boot enters into interactive mode.

Signed-off-by: Dmitry Rakhchev <rda@emcraft.com>
Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
diff --git a/include/asm-arm/global_data.h b/include/asm-arm/global_data.h
index c2d5291..0410b5e 100644
--- a/include/asm-arm/global_data.h
+++ b/include/asm-arm/global_data.h
@@ -60,6 +60,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
 
 #define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r8")
 
diff --git a/include/asm-avr32/global_data.h b/include/asm-avr32/global_data.h
index 681c514..daf64bc 100644
--- a/include/asm-avr32/global_data.h
+++ b/include/asm-avr32/global_data.h
@@ -51,6 +51,7 @@
 #define GD_FLG_RELOC	0x00001		/* Code was relocated to RAM	 */
 #define GD_FLG_DEVINIT	0x00002		/* Devices have been initialized */
 #define GD_FLG_SILENT	0x00004		/* Silent mode			 */
+#define GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed	 */
 
 #define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5")
 
diff --git a/include/asm-blackfin/global_data.h b/include/asm-blackfin/global_data.h
index cb0dfc2..6debfc7 100644
--- a/include/asm-blackfin/global_data.h
+++ b/include/asm-blackfin/global_data.h
@@ -61,6 +61,7 @@
 #define	GD_FLG_RELOC	0x00001	/* Code was relocated to RAM     */
 #define	GD_FLG_DEVINIT	0x00002	/* Devices have been initialized */
 #define	GD_FLG_SILENT	0x00004	/* Silent mode                   */
+#define	GD_FLG_POSTFAIL	0x00008	/* Critical POST test failed     */
 
 #define DECLARE_GLOBAL_DATA_PTR     register gd_t * volatile gd asm ("P5")
 
diff --git a/include/asm-i386/global_data.h b/include/asm-i386/global_data.h
index 1d309d5..68a9ad6 100644
--- a/include/asm-i386/global_data.h
+++ b/include/asm-i386/global_data.h
@@ -54,6 +54,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
 
 extern gd_t *global_data;
 
diff --git a/include/asm-m68k/global_data.h b/include/asm-m68k/global_data.h
index 1e26eb0..958736e 100644
--- a/include/asm-m68k/global_data.h
+++ b/include/asm-m68k/global_data.h
@@ -68,6 +68,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
 
 #if 0
 extern gd_t *global_data;
diff --git a/include/asm-microblaze/global_data.h b/include/asm-microblaze/global_data.h
index a6e7834..91243b2 100644
--- a/include/asm-microblaze/global_data.h
+++ b/include/asm-microblaze/global_data.h
@@ -52,6 +52,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
 
 #define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r31")
 
diff --git a/include/asm-mips/global_data.h b/include/asm-mips/global_data.h
index a024194..bd9e4dd 100644
--- a/include/asm-mips/global_data.h
+++ b/include/asm-mips/global_data.h
@@ -54,6 +54,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM     */
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized */
 #define	GD_FLG_SILENT	0x00004		/* Silent mode			 */
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed	 */
 
 #define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("k0")
 
diff --git a/include/asm-nios/global_data.h b/include/asm-nios/global_data.h
index fd11389..ddd66cf 100644
--- a/include/asm-nios/global_data.h
+++ b/include/asm-nios/global_data.h
@@ -45,6 +45,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
 
 #define DECLARE_GLOBAL_DATA_PTR     register gd_t *gd asm ("%g7")
 
diff --git a/include/asm-nios2/global_data.h b/include/asm-nios2/global_data.h
index a1ac288..ae5f617 100644
--- a/include/asm-nios2/global_data.h
+++ b/include/asm-nios2/global_data.h
@@ -44,6 +44,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
 
 #define DECLARE_GLOBAL_DATA_PTR     register gd_t *gd asm ("r15")
 
diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index 205f7ed..e07092b 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -164,6 +164,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
 
 #if 1
 #define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r2")
diff --git a/include/asm-sh/global_data.h b/include/asm-sh/global_data.h
index 0a44a34..521a66f 100644
--- a/include/asm-sh/global_data.h
+++ b/include/asm-sh/global_data.h
@@ -44,6 +44,7 @@
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
+#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
 
 #define DECLARE_GLOBAL_DATA_PTR	register gd_t *gd asm ("r13")
 
diff --git a/include/post.h b/include/post.h
index 12c0e92..ee07d2c 100644
--- a/include/post.h
+++ b/include/post.h
@@ -42,12 +42,16 @@
 #define POST_REBOOT		0x0800	/* test may cause rebooting */
 #define POST_PREREL             0x1000  /* test runs before relocation */
 
+#define POST_CRITICAL		0x2000	/* Use failbootcmd if test failed */
+
 #define POST_MEM		(POST_RAM | POST_ROM)
 #define POST_ALWAYS		(POST_NORMAL	| \
 				 POST_SLOWTEST	| \
 				 POST_MANUAL	| \
 				 POST_POWERON	)
 
+#define POST_FAIL_SAVE		0x80
+
 #ifndef	__ASSEMBLY__
 
 struct post_test {