common: remove bedbug debugger support

Commit 98f705c ("powerpc: remove 4xx support") removed (in 2017) the
last code that made use of bedbug debugger support. Since there aren't
any boards left that define either CONFIG_CMD_BEDBUG or a real
bedbug_init(), drop this feature from u-boot.

Signed-off-by: Ovidiu Panait <[email protected]>
Reviewed-by: Thomas Huth <[email protected]>
Reviewed-by: Simon Glass <[email protected]>

arch/powerpc/cpu/mpc83xx/traps.c

@@ -204,15 +204,8 @@ void UnknownException(struct pt_regs *regs)
 	_exception(0, regs);
 }
 
-#if defined(CONFIG_CMD_BEDBUG)
-extern void do_bedbug_breakpoint(struct pt_regs *);
-#endif
-
 void DebugException(struct pt_regs *regs)
 {
 	printf("Debugger trap at @ %lx\n", regs->nip );
 	show_regs(regs);
-#if defined(CONFIG_CMD_BEDBUG)
-	do_bedbug_breakpoint( regs );
-#endif
 }

arch/powerpc/cpu/mpc85xx/traps.c

@@ -60,10 +60,6 @@ static __inline__ unsigned long get_esr(void)
 #define ESR_DIZ 0x00400000
 #define ESR_U0F 0x00008000
 
-#if defined(CONFIG_CMD_BEDBUG)
-extern void do_bedbug_breakpoint(struct pt_regs *);
-#endif
-
 /*
  * Trap & Exception support
  */
@@ -285,7 +281,4 @@ void DebugException(struct pt_regs *regs)
 {
 	printf("Debugger trap at @ %lx\n", regs->nip );
 	show_regs(regs);
-#if defined(CONFIG_CMD_BEDBUG)
-	do_bedbug_breakpoint( regs );
-#endif
 }

cmd/Kconfig

@@ -2324,13 +2324,6 @@ endmenu
 
 menu "Debug commands"
 
-config CMD_BEDBUG
-	bool "bedbug"
-	help
-	  The bedbug (emBEDded deBUGger) command provides debugging features
-	  for some PowerPC processors. For details please see the
-	  documentation in doc/README.bedbug.
-
 config CMD_CBSYSINFO
 	bool "cbsysinfo"
 	depends on X86

cmd/Makefile

@@ -22,7 +22,6 @@ obj-$(CONFIG_HAVE_BLOCK_DEVICE) += blk_common.o
 obj-$(CONFIG_CMD_SOURCE) += source.o
 obj-$(CONFIG_CMD_BCB) += bcb.o
 obj-$(CONFIG_CMD_BDI) += bdinfo.o
-obj-$(CONFIG_CMD_BEDBUG) += bedbug.o
 obj-$(CONFIG_CMD_BIND) += bind.o
 obj-$(CONFIG_CMD_BINOP) += binop.o
 obj-$(CONFIG_CMD_BLOBLIST) += bloblist.o