powerpc: remove 4xx support

There was for long time no activity in the 4xx area.
We need to go further and convert to Kconfig, but it
turned out, nobody is interested anymore in 4xx,
so remove it.

Signed-off-by: Heiko Schocher <hs@denx.de>

1 files changed, 0 insertions, 308 deletions

diff --git a/arch/powerpc/cpu/ppc4xx/bedbug_405.c b/arch/powerpc/cpu/ppc4xx/bedbug_405.c
deleted file mode 100644
index e1500cc..0000000
--- a/arch/powerpc/cpu/ppc4xx/bedbug_405.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * Bedbug Functions specific to the PPC405 chip
- */
-
-#include <common.h>
-#include <command.h>
-#include <linux/ctype.h>
-#include <bedbug/type.h>
-#include <bedbug/bedbug.h>
-#include <bedbug/regs.h>
-#include <bedbug/ppc.h>
-
-#if defined(CONFIG_CMD_BEDBUG) && defined(CONFIG_4xx)
-
-#define MAX_BREAK_POINTS 4
-
-extern CPU_DEBUG_CTX bug_ctx;
-
-void bedbug405_init __P ((void));
-void bedbug405_do_break __P ((cmd_tbl_t *, int, int, char * const []));
-void bedbug405_break_isr __P ((struct pt_regs *));
-int bedbug405_find_empty __P ((void));
-int bedbug405_set __P ((int, unsigned long));
-int bedbug405_clear __P ((int));
-
-
-/* ======================================================================
- * Initialize the global bug_ctx structure for the AMCC PPC405.	Clear all
- * of the breakpoints.
- * ====================================================================== */
-
-void bedbug405_init (void)
-{
-	int i;
-
-	/* -------------------------------------------------- */
-
-	bug_ctx.hw_debug_enabled = 0;
-	bug_ctx.stopped = 0;
-	bug_ctx.current_bp = 0;
-	bug_ctx.regs = NULL;
-
-	bug_ctx.do_break = bedbug405_do_break;
-	bug_ctx.break_isr = bedbug405_break_isr;
-	bug_ctx.find_empty = bedbug405_find_empty;
-	bug_ctx.set = bedbug405_set;
-	bug_ctx.clear = bedbug405_clear;
-
-	for (i = 1; i <= MAX_BREAK_POINTS; ++i)
-		(*bug_ctx.clear) (i);
-
-	puts ("BEDBUG:ready\n");
-	return;
-}	/* bedbug_init_breakpoints */
-
-
-
-/* ======================================================================
- * Set/clear/show one of the hardware breakpoints for the 405.	The "off"
- * string will disable a specific breakpoint.  The "show" string will
- * display the current breakpoints.  Otherwise an address will set a
- * breakpoint at that address.	Setting a breakpoint uses the CPU-specific
- * set routine which will assign a breakpoint number.
- * ====================================================================== */
-
-void bedbug405_do_break (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
-	long addr = 0;		/* Address to break at  */
-	int which_bp;		/* Breakpoint number    */
-
-	/* -------------------------------------------------- */
-
-	if (argc < 2) {
-		cmd_usage(cmdtp);
-		return;
-	}
-
-	/* Turn off a breakpoint */
-
-	if (strcmp (argv[1], "off") == 0) {
-		if (bug_ctx.hw_debug_enabled == 0) {
-			printf ("No breakpoints enabled\n");
-			return;
-		}
-
-		which_bp = simple_strtoul (argv[2], NULL, 10);
-
-		if (bug_ctx.clear)
-			(*bug_ctx.clear) (which_bp);
-
-		printf ("Breakpoint %d removed\n", which_bp);
-		return;
-	}
-
-	/* Show a list of breakpoints */
-
-	if (strcmp (argv[1], "show") == 0) {
-		for (which_bp = 1; which_bp <= MAX_BREAK_POINTS; ++which_bp) {
-
-			switch (which_bp) {
-			case 1:
-				addr = GET_IAC1 ();
-				break;
-			case 2:
-				addr = GET_IAC2 ();
-				break;
-			case 3:
-				addr = GET_IAC3 ();
-				break;
-			case 4:
-				addr = GET_IAC4 ();
-				break;
-			}
-
-			printf ("Breakpoint [%d]: ", which_bp);
-			if (addr == 0)
-				printf ("NOT SET\n");
-			else
-				disppc ((unsigned char *) addr, 0, 1, bedbug_puts,
-						F_RADHEX);
-		}
-		return;
-	}
-
-	/* Set a breakpoint at the address */
-
-	if (!isdigit (argv[1][0])) {
-		cmd_usage(cmdtp);
-		return;
-	}
-
-	addr = simple_strtoul (argv[1], NULL, 16) & 0xfffffffc;
-
-	if ((bug_ctx.set) && (which_bp = (*bug_ctx.set) (0, addr)) > 0) {
-		printf ("Breakpoint [%d]: ", which_bp);
-		disppc ((unsigned char *) addr, 0, 1, bedbug_puts, F_RADHEX);
-	}
-
-	return;
-}	/* bedbug405_do_break */
-
-
-
-/* ======================================================================
- * Handle a breakpoint.	 First determine which breakpoint was hit by
- * looking at the DeBug Status Register (DBSR), clear the breakpoint
- * and enter a mini main loop.	Stay in the loop until the stopped flag
- * in the debug context is cleared.
- * ====================================================================== */
-
-void bedbug405_break_isr (struct pt_regs *regs)
-{
-	unsigned long dbsr_val;		/* Value of the DBSR    */
-	unsigned long addr = 0;		/* Address stopped at   */
-
-	/* -------------------------------------------------- */
-
-	dbsr_val = GET_DBSR ();
-
-	if (dbsr_val & DBSR_IA1) {
-		bug_ctx.current_bp = 1;
-		addr = GET_IAC1 ();
-		SET_DBSR (DBSR_IA1);	/* Write a 1 to clear */
-	} else if (dbsr_val & DBSR_IA2) {
-		bug_ctx.current_bp = 2;
-		addr = GET_IAC2 ();
-		SET_DBSR (DBSR_IA2);	/* Write a 1 to clear */
-	} else if (dbsr_val & DBSR_IA3) {
-		bug_ctx.current_bp = 3;
-		addr = GET_IAC3 ();
-		SET_DBSR (DBSR_IA3);	/* Write a 1 to clear */
-	} else if (dbsr_val & DBSR_IA4) {
-		bug_ctx.current_bp = 4;
-		addr = GET_IAC4 ();
-		SET_DBSR (DBSR_IA4);	/* Write a 1 to clear */
-	}
-
-	bedbug_main_loop (addr, regs);
-	return;
-}	/* bedbug405_break_isr */
-
-
-
-/* ======================================================================
- * Look through all of the hardware breakpoints available to see if one
- * is unused.
- * ====================================================================== */
-
-int bedbug405_find_empty (void)
-{
-	/* -------------------------------------------------- */
-
-	if (GET_IAC1 () == 0)
-		return 1;
-
-	if (GET_IAC2 () == 0)
-		return 2;
-
-	if (GET_IAC3 () == 0)
-		return 3;
-
-	if (GET_IAC4 () == 0)
-		return 4;
-
-	return 0;
-}	/* bedbug405_find_empty */
-
-
-
-/* ======================================================================
- * Set a breakpoint.  If 'which_bp' is zero then find an unused breakpoint
- * number, otherwise reassign the given breakpoint.  If hardware debugging
- * is not enabled, then turn it on via the MSR and DBCR0.  Set the break
- * address in the appropriate IACx register and enable proper address
- * beakpoint in DBCR0.
- * ====================================================================== */
-
-int bedbug405_set (int which_bp, unsigned long addr)
-{
-	/* -------------------------------------------------- */
-
-	/* Only look if which_bp == 0, else use which_bp */
-	if ((bug_ctx.find_empty) && (!which_bp) &&
-		(which_bp = (*bug_ctx.find_empty) ()) == 0) {
-		printf ("All breakpoints in use\n");
-		return 0;
-	}
-
-	if (which_bp < 1 || which_bp > MAX_BREAK_POINTS) {
-		printf ("Invalid break point # %d\n", which_bp);
-		return 0;
-	}
-
-	if (!bug_ctx.hw_debug_enabled) {
-		SET_MSR (GET_MSR () | 0x200);	/* set MSR[ DE ] */
-		SET_DBCR0 (GET_DBCR0 () | DBCR0_IDM);
-		bug_ctx.hw_debug_enabled = 1;
-	}
-
-	switch (which_bp) {
-	case 1:
-		SET_IAC1 (addr);
-		SET_DBCR0 (GET_DBCR0 () | DBCR0_IA1);
-		break;
-
-	case 2:
-		SET_IAC2 (addr);
-		SET_DBCR0 (GET_DBCR0 () | DBCR0_IA2);
-		break;
-
-	case 3:
-		SET_IAC3 (addr);
-		SET_DBCR0 (GET_DBCR0 () | DBCR0_IA3);
-		break;
-
-	case 4:
-		SET_IAC4 (addr);
-		SET_DBCR0 (GET_DBCR0 () | DBCR0_IA4);
-		break;
-	}
-
-	return which_bp;
-}	/* bedbug405_set */
-
-
-
-/* ======================================================================
- * Disable a specific breakoint by setting the appropriate IACx register
- * to zero and claring the instruction address breakpoint in DBCR0.
- * ====================================================================== */
-
-int bedbug405_clear (int which_bp)
-{
-	/* -------------------------------------------------- */
-
-	if (which_bp < 1 || which_bp > MAX_BREAK_POINTS) {
-		printf ("Invalid break point # (%d)\n", which_bp);
-		return -1;
-	}
-
-	switch (which_bp) {
-	case 1:
-		SET_IAC1 (0);
-		SET_DBCR0 (GET_DBCR0 () & ~DBCR0_IA1);
-		break;
-
-	case 2:
-		SET_IAC2 (0);
-		SET_DBCR0 (GET_DBCR0 () & ~DBCR0_IA2);
-		break;
-
-	case 3:
-		SET_IAC3 (0);
-		SET_DBCR0 (GET_DBCR0 () & ~DBCR0_IA3);
-		break;
-
-	case 4:
-		SET_IAC4 (0);
-		SET_DBCR0 (GET_DBCR0 () & ~DBCR0_IA4);
-		break;
-	}
-
-	return 0;
-}	/* bedbug405_clear */
-
-
-/* ====================================================================== */
-#endif