Merge branch 'linus' into test

Conflicts:
	MAINTAINERS
	arch/x86/kernel/acpi/boot.c
	arch/x86/kernel/acpi/sleep.c
	drivers/acpi/Kconfig
	drivers/pnp/Makefile
	drivers/pnp/quirks.c

Signed-off-by: Len Brown <len.brown@intel.com>

12 files changed, 996 insertions, 485 deletions

diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c
index 881afe9082c..9bb85dd5ccb 100644
--- a/arch/blackfin/kernel/asm-offsets.c
+++ b/arch/blackfin/kernel/asm-offsets.c
@@ -60,6 +60,7 @@ int main(void)
 	DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
 
 	/* offsets into the pt_regs */
+	DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0));
 	DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0));
 	DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc));
 	DEFINE(PT_R0, offsetof(struct pt_regs, r0));
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index 93229b3d6e3..339293d677c 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -117,15 +117,14 @@ int request_dma(unsigned int channel, char *device_id)
 
 #ifdef CONFIG_BF54x
 	if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) {
-		if (strncmp(device_id, "BFIN_UART", 9) == 0) {
-			dma_ch[channel].regs->peripheral_map &= 0x0FFF;
-			dma_ch[channel].regs->peripheral_map |=
+		unsigned int per_map;
+		per_map = dma_ch[channel].regs->peripheral_map & 0xFFF;
+		if (strncmp(device_id, "BFIN_UART", 9) == 0)
+			dma_ch[channel].regs->peripheral_map = per_map |
 				((channel - CH_UART2_RX + 0xC)<<12);
-		} else {
-			dma_ch[channel].regs->peripheral_map &= 0x0FFF;
-			dma_ch[channel].regs->peripheral_map |=
+		else
+			dma_ch[channel].regs->peripheral_map = per_map |
 				((channel - CH_UART2_RX + 0x6)<<12);
-		}
 	}
 #endif
 
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index ecbd141e0ef..6e08f425bb4 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -231,14 +231,14 @@ inline int check_gpio(unsigned gpio)
 }
 #endif
 
-void gpio_error(unsigned gpio)
+static void gpio_error(unsigned gpio)
 {
 	printk(KERN_ERR "bfin-gpio: GPIO %d wasn't requested!\n", gpio);
 }
 
 static void set_label(unsigned short ident, const char *label)
 {
-	if (label && str_ident) {
+	if (label) {
 		strncpy(str_ident[ident].name, label,
 			 RESOURCE_LABEL_SIZE);
 		str_ident[ident].name[RESOURCE_LABEL_SIZE - 1] = 0;
@@ -247,9 +247,6 @@ static void set_label(unsigned short ident, const char *label)
 
 static char *get_label(unsigned short ident)
 {
-	if (!str_ident)
-		return "UNKNOWN";
-
 	return (*str_ident[ident].name ? str_ident[ident].name : "UNKNOWN");
 }
 
@@ -260,7 +257,7 @@ static int cmp_label(unsigned short ident, const char *label)
 		printk(KERN_ERR "Please provide none-null label\n");
 	}
 
-	if (label && str_ident)
+	if (label)
 		return strncmp(str_ident[ident].name,
 				 label, strlen(label));
 	else
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
index 48060105346..55af729f849 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
@@ -36,7 +36,7 @@ struct cplb_entry dcplb_tbl[MAX_CPLBS];
 int first_switched_icplb, first_switched_dcplb;
 int first_mask_dcplb;
 
-void __init generate_cpl_tables(void)
+void __init generate_cplb_tables(void)
 {
 	int i_d, i_i;
 	unsigned long addr;
@@ -83,8 +83,18 @@ void __init generate_cpl_tables(void)
 	dcplb_tbl[i_d].addr = L1_DATA_A_START;
 	dcplb_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
 #endif
+#if L1_CODE_LENGTH > 0
 	icplb_tbl[i_i].addr = L1_CODE_START;
 	icplb_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
+#endif
+
+	/* Cover L2 memory */
+#if L2_LENGTH > 0
+	dcplb_tbl[i_d].addr = L2_START;
+	dcplb_tbl[i_d++].data = L2_DMEMORY | PAGE_SIZE_1MB;
+	icplb_tbl[i_i].addr = L2_START;
+	icplb_tbl[i_i++].data = L2_IMEMORY | PAGE_SIZE_1MB;
+#endif
 
 	first_mask_dcplb = i_d;
 	first_switched_dcplb = i_d + (1 << page_mask_order);
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
index 99f2831e296..baa52e261f0 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
@@ -21,6 +21,7 @@
 #include <linux/mm.h>
 
 #include <asm/blackfin.h>
+#include <asm/cacheflush.h>
 #include <asm/cplbinit.h>
 #include <asm/mmu_context.h>
 
@@ -144,9 +145,7 @@ static noinline int dcplb_miss(void)
 
 	d_data = CPLB_SUPV_WR | CPLB_VALID | CPLB_DIRTY | PAGE_SIZE_4KB;
 #ifdef CONFIG_BFIN_DCACHE
-	if (addr < _ramend - DMA_UNCACHED_REGION ||
-	    (reserved_mem_dcache_on && addr >= _ramend &&
-	     addr < physical_mem_end)) {
+	if (bfin_addr_dcachable(addr)) {
 		d_data |= CPLB_L1_CHBL | ANOMALY_05000158_WORKAROUND;
 #ifdef CONFIG_BFIN_WT
 		d_data |= CPLB_L1_AOW | CPLB_WT;
@@ -322,9 +321,11 @@ int cplb_hdr(int seqstat, struct pt_regs *regs)
 void flush_switched_cplbs(void)
 {
 	int i;
+	unsigned long flags;
 
 	nr_cplb_flush++;
 
+	local_irq_save(flags);
 	disable_icplb();
 	for (i = first_switched_icplb; i < MAX_CPLBS; i++) {
 		icplb_tbl[i].data = 0;
@@ -338,6 +339,8 @@ void flush_switched_cplbs(void)
 		bfin_write32(DCPLB_DATA0 + i * 4, 0);
 	}
 	enable_dcplb();
+	local_irq_restore(flags);
+
 }
 
 void set_mask_dcplbs(unsigned long *masks)
@@ -345,10 +348,15 @@ void set_mask_dcplbs(unsigned long *masks)
 	int i;
 	unsigned long addr = (unsigned long)masks;
 	unsigned long d_data;
-	current_rwx_mask = masks;
+	unsigned long flags;
 
-	if (!masks)
+	if (!masks) {
+		current_rwx_mask = masks;
 		return;
+	}
+
+	local_irq_save(flags);
+	current_rwx_mask = masks;
 
 	d_data = CPLB_SUPV_WR | CPLB_VALID | CPLB_DIRTY | PAGE_SIZE_4KB;
 #ifdef CONFIG_BFIN_DCACHE
@@ -367,4 +375,5 @@ void set_mask_dcplbs(unsigned long *masks)
 		addr += PAGE_SIZE;
 	}
 	enable_dcplb();
+	local_irq_restore(flags);
 }
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 728f708d398..512f8c92ead 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -23,6 +23,7 @@
 #include <linux/module.h>
 
 #include <asm/blackfin.h>
+#include <asm/cacheflush.h>
 #include <asm/cplb.h>
 #include <asm/cplbinit.h>
 
@@ -168,8 +169,8 @@ static struct cplb_desc cplb_data[] = {
 		.end = L2_START + L2_LENGTH,
 		.psize = SIZE_1M,
 		.attr = SWITCH_T | I_CPLB | D_CPLB,
-		.i_conf = L2_MEMORY,
-		.d_conf = L2_MEMORY,
+		.i_conf = L2_IMEMORY,
+		.d_conf = L2_DMEMORY,
 		.valid = (L2_LENGTH > 0),
 		.name = "L2 Memory",
 	},
@@ -308,7 +309,7 @@ __fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
 	}
 }
 
-void __init generate_cpl_tables(void)
+void __init generate_cplb_tables(void)
 {
 
 	u16 i, j, process;
diff --git a/arch/blackfin/kernel/early_printk.c b/arch/blackfin/kernel/early_printk.c
index 60f67f90fe3..1f4e3d2e090 100644
--- a/arch/blackfin/kernel/early_printk.c
+++ b/arch/blackfin/kernel/early_printk.c
@@ -35,6 +35,9 @@
 extern struct console *bfin_earlyserial_init(unsigned int port,
 						unsigned int cflag);
 #endif
+#ifdef CONFIG_BFIN_JTAG_COMM
+extern struct console *bfin_jc_early_init(void);
+#endif
 
 static struct console *early_console;
 
@@ -142,6 +145,15 @@ int __init setup_early_printk(char *buf)
 		early_console = earlyserial_init(buf);
 	}
 #endif
+
+#ifdef CONFIG_BFIN_JTAG_COMM
+	/* Check for Blackfin JTAG */
+	if (!strncmp(buf, "jtag", 4)) {
+		buf += 4;
+		early_console = bfin_jc_early_init();
+	}
+#endif
+
 #ifdef CONFIG_FB
 		/* TODO: add framebuffer console support */
 #endif
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index a1f9641a642..b795a207742 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -1,32 +1,9 @@
 /*
- * File:         arch/blackfin/kernel/kgdb.c
- * Based on:
- * Author:       Sonic Zhang
+ * arch/blackfin/kernel/kgdb.c - Blackfin kgdb pieces
  *
- * Created:
- * Description:
+ * Copyright 2005-2008 Analog Devices Inc.
  *
- * Rev:          $Id: kgdb_bfin_linux-2.6.x.patch 4934 2007-02-13 09:32:11Z sonicz $
- *
- * Modified:
- *               Copyright 2005-2006 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ * Licensed under the GPL-2 or later.
  */
 
 #include <linux/string.h>
@@ -39,24 +16,29 @@
 #include <linux/kgdb.h>
 #include <linux/console.h>
 #include <linux/init.h>
-#include <linux/debugger.h>
 #include <linux/errno.h>
 #include <linux/irq.h>
+#include <linux/uaccess.h>
 #include <asm/system.h>
 #include <asm/traps.h>
 #include <asm/blackfin.h>
+#include <asm/dma.h>
 
 /* Put the error code here just in case the user cares.  */
-int gdb_bf533errcode;
+int gdb_bfin_errcode;
 /* Likewise, the vector number here (since GDB only gets the signal
    number through the usual means, and that's not very specific).  */
-int gdb_bf533vector = -1;
+int gdb_bfin_vector = -1;
 
 #if KGDB_MAX_NO_CPUS != 8
 #error change the definition of slavecpulocks
 #endif
 
-void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
+#ifdef CONFIG_BFIN_WDT
+# error "Please unselect blackfin watchdog driver before build KGDB."
+#endif
+
+void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
 	gdb_regs[BFIN_R0] = regs->r0;
 	gdb_regs[BFIN_R1] = regs->r1;
@@ -133,7 +115,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
 	gdb_regs[BFIN_SEQSTAT] = p->thread.seqstat;
 }
 
-void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs)
+void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
 	regs->r0 = gdb_regs[BFIN_R0];
 	regs->r1 = gdb_regs[BFIN_R1];
@@ -199,171 +181,208 @@ struct hw_breakpoint {
 	unsigned int dataacc:2;
 	unsigned short count;
 	unsigned int addr;
-} breakinfo[HW_BREAKPOINT_NUM];
+} breakinfo[HW_WATCHPOINT_NUM];
 
-int kgdb_arch_init(void)
-{
-	debugger_step = 0;
-
-	kgdb_remove_all_hw_break();
-	return 0;
-}
-
-int kgdb_set_hw_break(unsigned long addr)
+int bfin_set_hw_break(unsigned long addr, int len, enum kgdb_bptype type)
 {
 	int breakno;
-	for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++)
-		if (!breakinfo[breakno].occupied) {
+	int bfin_type;
+	int dataacc = 0;
+
+	switch (type) {
+	case BP_HARDWARE_BREAKPOINT:
+		bfin_type = TYPE_INST_WATCHPOINT;
+		break;
+	case BP_WRITE_WATCHPOINT:
+		dataacc = 1;
+		bfin_type = TYPE_DATA_WATCHPOINT;
+		break;
+	case BP_READ_WATCHPOINT:
+		dataacc = 2;
+		bfin_type = TYPE_DATA_WATCHPOINT;
+		break;
+	case BP_ACCESS_WATCHPOINT:
+		dataacc = 3;
+		bfin_type = TYPE_DATA_WATCHPOINT;
+		break;
+	default:
+		return -ENOSPC;
+	}
+
+	/* Becasue hardware data watchpoint impelemented in current
+	 * Blackfin can not trigger an exception event as the hardware
+	 * instrction watchpoint does, we ignaore all data watch point here.
+	 * They can be turned on easily after future blackfin design
+	 * supports this feature.
+	 */
+	for (breakno = 0; breakno < HW_INST_WATCHPOINT_NUM; breakno++)
+		if (bfin_type == breakinfo[breakno].type
+			&& !breakinfo[breakno].occupied) {
 			breakinfo[breakno].occupied = 1;
 			breakinfo[breakno].enabled = 1;
-			breakinfo[breakno].type = 1;
 			breakinfo[breakno].addr = addr;
+			breakinfo[breakno].dataacc = dataacc;
+			breakinfo[breakno].count = 0;
 			return 0;
 		}
 
 	return -ENOSPC;
 }
 
-int kgdb_remove_hw_break(unsigned long addr)
+int bfin_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype type)
 {
 	int breakno;
-	for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++)
-		if (breakinfo[breakno].addr == addr)
-			memset(&(breakinfo[breakno]), 0, sizeof(struct hw_breakpoint));
+	int bfin_type;
+
+	switch (type) {
+	case BP_HARDWARE_BREAKPOINT:
+		bfin_type = TYPE_INST_WATCHPOINT;
+		break;
+	case BP_WRITE_WATCHPOINT:
+	case BP_READ_WATCHPOINT:
+	case BP_ACCESS_WATCHPOINT:
+		bfin_type = TYPE_DATA_WATCHPOINT;
+		break;
+	default:
+		return 0;
+	}
+	for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++)
+		if (bfin_type == breakinfo[breakno].type
+			&& breakinfo[breakno].occupied
+			&& breakinfo[breakno].addr == addr) {
+			breakinfo[breakno].occupied = 0;
+			breakinfo[breakno].enabled = 0;
+		}
 
 	return 0;
 }
 
-void kgdb_remove_all_hw_break(void)
+void bfin_remove_all_hw_break(void)
 {
-	memset(breakinfo, 0, sizeof(struct hw_breakpoint)*8);
-}
+	int breakno;
 
-/*
-void kgdb_show_info(void)
-{
-	printk(KERN_DEBUG "hwd: wpia0=0x%x, wpiacnt0=%d, wpiactl=0x%x, wpstat=0x%x\n",
-		bfin_read_WPIA0(), bfin_read_WPIACNT0(),
-		bfin_read_WPIACTL(), bfin_read_WPSTAT());
+	memset(breakinfo, 0, sizeof(struct hw_breakpoint)*HW_WATCHPOINT_NUM);
+
+	for (breakno = 0; breakno < HW_INST_WATCHPOINT_NUM; breakno++)
+		breakinfo[breakno].type = TYPE_INST_WATCHPOINT;
+	for (; breakno < HW_WATCHPOINT_NUM; breakno++)
+		breakinfo[breakno].type = TYPE_DATA_WATCHPOINT;
 }
-*/
 
-void kgdb_correct_hw_break(void)
+void bfin_correct_hw_break(void)
 {
 	int breakno;
-	int correctit;
-	uint32_t wpdactl = bfin_read_WPDACTL();
+	unsigned int wpiactl = 0;
+	unsigned int wpdactl = 0;
+	int enable_wp = 0;
+
+	for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++)
+		if (breakinfo[breakno].enabled) {
+			enable_wp = 1;
 
-	correctit = 0;
-	for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++) {
-		if (breakinfo[breakno].type == 1) {
 			switch (breakno) {
 			case 0:
-				if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN0)) {
-					correctit = 1;
-					wpdactl &= ~(WPIREN01|EMUSW0);
-					wpdactl |= WPIAEN0|WPICNTEN0;
-					bfin_write_WPIA0(breakinfo[breakno].addr);
-					bfin_write_WPIACNT0(breakinfo[breakno].skip);
-				} else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN0)) {
-					correctit = 1;
-					wpdactl &= ~WPIAEN0;
-				}
+				wpiactl |= WPIAEN0|WPICNTEN0;
+				bfin_write_WPIA0(breakinfo[breakno].addr);
+				bfin_write_WPIACNT0(breakinfo[breakno].count
+					+ breakinfo->skip);
 				break;
-
 			case 1:
-				if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN1)) {
-					correctit = 1;
-					wpdactl &= ~(WPIREN01|EMUSW1);
-					wpdactl |= WPIAEN1|WPICNTEN1;
-					bfin_write_WPIA1(breakinfo[breakno].addr);
-					bfin_write_WPIACNT1(breakinfo[breakno].skip);
-				} else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN1)) {
-					correctit = 1;
-					wpdactl &= ~WPIAEN1;
-				}
+				wpiactl |= WPIAEN1|WPICNTEN1;
+				bfin_write_WPIA1(breakinfo[breakno].addr);
+				bfin_write_WPIACNT1(breakinfo[breakno].count
+					+ breakinfo->skip);
 				break;
-
 			case 2:
-				if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN2)) {
-					correctit = 1;
-					wpdactl &= ~(WPIREN23|EMUSW2);
-					wpdactl |= WPIAEN2|WPICNTEN2;
-					bfin_write_WPIA2(breakinfo[breakno].addr);
-					bfin_write_WPIACNT2(breakinfo[breakno].skip);
-				} else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN2)) {
-					correctit = 1;
-					wpdactl &= ~WPIAEN2;
-				}
+				wpiactl |= WPIAEN2|WPICNTEN2;
+				bfin_write_WPIA2(breakinfo[breakno].addr);
+				bfin_write_WPIACNT2(breakinfo[breakno].count
+					+ breakinfo->skip);
 				break;
-
 			case 3:
-				if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN3)) {
-					correctit = 1;
-					wpdactl &= ~(WPIREN23|EMUSW3);
-					wpdactl |= WPIAEN3|WPICNTEN3;
-					bfin_write_WPIA3(breakinfo[breakno].addr);
-					bfin_write_WPIACNT3(breakinfo[breakno].skip);
-				} else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN3)) {
-					correctit = 1;
-					wpdactl &= ~WPIAEN3;
-				}
+				wpiactl |= WPIAEN3|WPICNTEN3;
+				bfin_write_WPIA3(breakinfo[breakno].addr);
+				bfin_write_WPIACNT3(breakinfo[breakno].count
+					+ breakinfo->skip);
 				break;
 			case 4:
-				if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN4)) {
-					correctit = 1;
-					wpdactl &= ~(WPIREN45|EMUSW4);
-					wpdactl |= WPIAEN4|WPICNTEN4;
-					bfin_write_WPIA4(breakinfo[breakno].addr);
-					bfin_write_WPIACNT4(breakinfo[breakno].skip);
-				} else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN4)) {
-					correctit = 1;
-					wpdactl &= ~WPIAEN4;
-				}
+				wpiactl |= WPIAEN4|WPICNTEN4;
+				bfin_write_WPIA4(breakinfo[breakno].addr);
+				bfin_write_WPIACNT4(breakinfo[breakno].count
+					+ breakinfo->skip);
 				break;
 			case 5:
-				if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN5)) {
-					correctit = 1;
-					wpdactl &= ~(WPIREN45|EMUSW5);
-					wpdactl |= WPIAEN5|WPICNTEN5;
-					bfin_write_WPIA5(breakinfo[breakno].addr);
-					bfin_write_WPIACNT5(breakinfo[breakno].skip);
-				} else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN5)) {
-					correctit = 1;
-					wpdactl &= ~WPIAEN5;
-				}
+				wpiactl |= WPIAEN5|WPICNTEN5;
+				bfin_write_WPIA5(breakinfo[breakno].addr);
+				bfin_write_WPIACNT5(breakinfo[breakno].count
+					+ breakinfo->skip);
+				break;
+			case 6:
+				wpdactl |= WPDAEN0|WPDCNTEN0|WPDSRC0;
+				wpdactl |= breakinfo[breakno].dataacc
+					<< WPDACC0_OFFSET;
+				bfin_write_WPDA0(breakinfo[breakno].addr);
+				bfin_write_WPDACNT0(breakinfo[breakno].count
+					+ breakinfo->skip);
+				break;
+			case 7:
+				wpdactl |= WPDAEN1|WPDCNTEN1|WPDSRC1;
+				wpdactl |= breakinfo[breakno].dataacc
+					<< WPDACC1_OFFSET;
+				bfin_write_WPDA1(breakinfo[breakno].addr);
+				bfin_write_WPDACNT1(breakinfo[breakno].count
+					+ breakinfo->skip);
 				break;
 			}
 		}
-	}
-	if (correctit) {
-		wpdactl &= ~WPAND;
-		wpdactl |= WPPWR;
-		/*printk("correct_hw_break: wpdactl=0x%x\n", wpdactl);*/
+
+	/* Should enable WPPWR bit first before set any other
+	 * WPIACTL and WPDACTL bits */
+	if (enable_wp) {
+		bfin_write_WPIACTL(WPPWR);
+		CSYNC();
+		bfin_write_WPIACTL(wpiactl|WPPWR);
 		bfin_write_WPDACTL(wpdactl);
 		CSYNC();
-		/*kgdb_show_info();*/
 	}
 }
 
 void kgdb_disable_hw_debug(struct pt_regs *regs)
 {
 	/* Disable hardware debugging while we are in kgdb */
-	bfin_write_WPIACTL(bfin_read_WPIACTL() & ~0x1);
+	bfin_write_WPIACTL(0);
+	bfin_write_WPDACTL(0);
 	CSYNC();
 }
 
-void kgdb_post_master_code(struct pt_regs *regs, int eVector, int err_code)
+#ifdef CONFIG_SMP
+void kgdb_passive_cpu_callback(void *info)
+{
+	kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
+}
+
+void kgdb_roundup_cpus(unsigned long flags)
+{
+	smp_call_function(kgdb_passive_cpu_callback, NULL, 0, 0);
+}
+
+void kgdb_roundup_cpu(int cpu, unsigned long flags)
+{
+	smp_call_function_single(cpu, kgdb_passive_cpu_callback, NULL, 0, 0);
+}
+#endif
+
+void kgdb_post_primary_code(struct pt_regs *regs, int eVector, int err_code)
 {
 	/* Master processor is completely in the debugger */
-	gdb_bf533vector = eVector;
-	gdb_bf533errcode = err_code;
+	gdb_bfin_vector = eVector;
+	gdb_bfin_errcode = err_code;
 }
 
-int kgdb_arch_handle_exception(int exceptionVector, int signo,
+int kgdb_arch_handle_exception(int vector, int signo,
 			       int err_code, char *remcom_in_buffer,
 			       char *remcom_out_buffer,
-			       struct pt_regs *linux_regs)
+			       struct pt_regs *regs)
 {
 	long addr;
 	long breakno;
@@ -385,44 +404,40 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo,
 		/* try to read optional parameter, pc unchanged if no parm */
 		ptr = &remcom_in_buffer[1];
 		if (kgdb_hex2long(&ptr, &addr)) {
-			linux_regs->retx = addr;
+			regs->retx = addr;
 		}
-		newPC = linux_regs->retx;
+		newPC = regs->retx;
 
 		/* clear the trace bit */
-		linux_regs->syscfg &= 0xfffffffe;
+		regs->syscfg &= 0xfffffffe;
 
 		/* set the trace bit if we're stepping */
 		if (remcom_in_buffer[0] == 's') {
-			linux_regs->syscfg |= 0x1;
-			debugger_step = linux_regs->ipend;
-			debugger_step >>= 6;
-			for (i = 10; i > 0; i--, debugger_step >>= 1)
-				if (debugger_step & 1)
+			regs->syscfg |= 0x1;
+			kgdb_single_step = regs->ipend;
+			kgdb_single_step >>= 6;
+			for (i = 10; i > 0; i--, kgdb_single_step >>= 1)
+				if (kgdb_single_step & 1)
 					break;
 			/* i indicate event priority of current stopped instruction
 			 * user space instruction is 0, IVG15 is 1, IVTMR is 10.
-			 * debugger_step > 0 means in single step mode
+			 * kgdb_single_step > 0 means in single step mode
 			 */
-			debugger_step = i + 1;
-		} else {
-			debugger_step = 0;
+			kgdb_single_step = i + 1;
 		}
 
-		wp_status = bfin_read_WPSTAT();
-		CSYNC();
-
-		if (exceptionVector == VEC_WATCH) {
-			for (breakno = 0; breakno < 6; ++breakno) {
+		if (vector == VEC_WATCH) {
+			wp_status = bfin_read_WPSTAT();
+			for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++) {
 				if (wp_status & (1 << breakno)) {
 					breakinfo->skip = 1;
 					break;
 				}
 			}
+			bfin_write_WPSTAT(0);
 		}
-		kgdb_correct_hw_break();
 
-		bfin_write_WPSTAT(0);
+		bfin_correct_hw_break();
 
 		return 0;
 	}			/* switch */
@@ -431,5 +446,385 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo,
 
 struct kgdb_arch arch_kgdb_ops = {
 	.gdb_bpt_instr = {0xa1},
+#ifdef CONFIG_SMP
+	.flags = KGDB_HW_BREAKPOINT|KGDB_THR_PROC_SWAP,
+#else
 	.flags = KGDB_HW_BREAKPOINT,
+#endif
+	.set_hw_breakpoint = bfin_set_hw_break,
+	.remove_hw_breakpoint = bfin_remove_hw_break,
+	.remove_all_hw_break = bfin_remove_all_hw_break,
+	.correct_hw_break = bfin_correct_hw_break,
 };
+
+static int hex(char ch)
+{
+	if ((ch >= 'a') && (ch <= 'f'))
+		return ch - 'a' + 10;
+	if ((ch >= '0') && (ch <= '9'))
+		return ch - '0';
+	if ((ch >= 'A') && (ch <= 'F'))
+		return ch - 'A' + 10;
+	return -1;
+}
+
+static int validate_memory_access_address(unsigned long addr, int size)
+{
+	int cpu = raw_smp_processor_id();
+
+	if (size < 0)
+		return EFAULT;
+	if (addr >= 0x1000 && (addr + size) <= physical_mem_end)
+		return 0;
+	if (addr >= SYSMMR_BASE)
+		return 0;
+	if (addr >= ASYNC_BANK0_BASE
+	   && addr + size <= ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE)
+		return 0;
+	if (cpu == 0) {
+		if (addr >= L1_SCRATCH_START
+		   && (addr + size <= L1_SCRATCH_START + L1_SCRATCH_LENGTH))
+			return 0;
+#if L1_CODE_LENGTH != 0
+		if (addr >= L1_CODE_START
+		   && (addr + size <= L1_CODE_START + L1_CODE_LENGTH))
+			return 0;
+#endif
+#if L1_DATA_A_LENGTH != 0
+		if (addr >= L1_DATA_A_START
+		   && (addr + size <= L1_DATA_A_START + L1_DATA_A_LENGTH))
+			return 0;
+#endif
+#if L1_DATA_B_LENGTH != 0
+		if (addr >= L1_DATA_B_START
+		   && (addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH))
+			return 0;
+#endif
+#ifdef CONFIG_SMP
+	} else if (cpu == 1) {
+		if (addr >= COREB_L1_SCRATCH_START
+		   && (addr + size <= COREB_L1_SCRATCH_START
+		   + L1_SCRATCH_LENGTH))
+			return 0;
+# if L1_CODE_LENGTH != 0
+		if (addr >= COREB_L1_CODE_START
+		   && (addr + size <= COREB_L1_CODE_START + L1_CODE_LENGTH))
+			return 0;
+# endif
+# if L1_DATA_A_LENGTH != 0
+		if (addr >= COREB_L1_DATA_A_START
+		   && (addr + size <= COREB_L1_DATA_A_START + L1_DATA_A_LENGTH))
+			return 0;
+# endif
+# if L1_DATA_B_LENGTH != 0
+		if (addr >= COREB_L1_DATA_B_START
+		   && (addr + size <= COREB_L1_DATA_B_START + L1_DATA_B_LENGTH))
+			return 0;
+# endif
+#endif
+	}
+
+#if L2_LENGTH != 0
+	if (addr >= L2_START
+	   && addr + size <= L2_START + L2_LENGTH)
+		return 0;
+#endif
+
+	return EFAULT;
+}
+
+/*
+ * Convert the memory pointed to by mem into hex, placing result in buf.
+ * Return a pointer to the last char put in buf (null). May return an error.
+ */
+int kgdb_mem2hex(char *mem, char *buf, int count)
+{
+	char *tmp;
+	int err = 0;
+	unsigned char *pch;
+	unsigned short mmr16;
+	unsigned long mmr32;
+	int cpu = raw_smp_processor_id();
+
+	if (validate_memory_access_address((unsigned long)mem, count))
+		return EFAULT;
+
+	/*
+	 * We use the upper half of buf as an intermediate buffer for the
+	 * raw memory copy.  Hex conversion will work against this one.
+	 */
+	tmp = buf + count;
+
+	if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/
+		switch (count) {
+		case 2:
+			if ((unsigned int)mem % 2 == 0) {
+				mmr16 = *(unsigned short *)mem;
+				pch = (unsigned char *)&mmr16;
+				*tmp++ = *pch++;
+				*tmp++ = *pch++;
+				tmp -= 2;
+			} else
+				err = EFAULT;
+			break;
+		case 4:
+			if ((unsigned int)mem % 4 == 0) {
+				mmr32 = *(unsigned long *)mem;
+				pch = (unsigned char *)&mmr32;
+				*tmp++ = *pch++;
+				*tmp++ = *pch++;
+				*tmp++ = *pch++;
+				*tmp++ = *pch++;
+				tmp -= 4;
+			} else
+				err = EFAULT;
+			break;
+		default:
+			err = EFAULT;
+		}
+	} else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START &&
+		(unsigned int)(mem + count) <= L1_CODE_START + L1_CODE_LENGTH
+#ifdef CONFIG_SMP
+		|| cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START &&
+		(unsigned int)(mem + count) <=
+		COREB_L1_CODE_START + L1_CODE_LENGTH
+#endif
+		) {
+		/* access L1 instruction SRAM*/
+		if (dma_memcpy(tmp, mem, count) == NULL)
+			err = EFAULT;
+	} else
+		err = probe_kernel_read(tmp, mem, count);
+
+	if (!err) {
+		while (count > 0) {
+			buf = pack_hex_byte(buf, *tmp);
+			tmp++;
+			count--;
+		}
+
+		*buf = 0;
+	}
+
+	return err;
+}
+
+/*
+ * Copy the binary array pointed to by buf into mem.  Fix $, #, and
+ * 0x7d escaped with 0x7d.  Return a pointer to the character after
+ * the last byte written.
+ */
+int kgdb_ebin2mem(char *buf, char *mem, int count)
+{
+	char *tmp_old;
+	char *tmp_new;
+	unsigned short *mmr16;
+	unsigned long *mmr32;
+	int err = 0;
+	int size = 0;
+	int cpu = raw_smp_processor_id();
+
+	tmp_old = tmp_new = buf;
+
+	while (count-- > 0) {
+		if (*tmp_old == 0x7d)
+			*tmp_new = *(++tmp_old) ^ 0x20;
+		else
+			*tmp_new = *tmp_old;
+		tmp_new++;
+		tmp_old++;
+		size++;
+	}
+
+	if (validate_memory_access_address((unsigned long)mem, size))
+		return EFAULT;
+
+	if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/
+		switch (size) {
+		case 2:
+			if ((unsigned int)mem % 2 == 0) {
+				mmr16 = (unsigned short *)buf;
+				*(unsigned short *)mem = *mmr16;
+			} else
+				return EFAULT;
+			break;
+		case 4:
+			if ((unsigned int)mem % 4 == 0) {
+				mmr32 = (unsigned long *)buf;
+				*(unsigned long *)mem = *mmr32;
+			} else
+				return EFAULT;
+			break;
+		default:
+			return EFAULT;
+		}
+	} else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START &&
+		(unsigned int)(mem + count) < L1_CODE_START + L1_CODE_LENGTH
+#ifdef CONFIG_SMP
+		|| cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START &&
+		(unsigned int)(mem + count) <=
+		COREB_L1_CODE_START + L1_CODE_LENGTH
+#endif
+		) {
+		/* access L1 instruction SRAM */
+		if (dma_memcpy(mem, buf, size) == NULL)
+			err = EFAULT;
+	} else
+		err = probe_kernel_write(mem, buf, size);
+
+	return err;
+}
+
+/*
+ * Convert the hex array pointed to by buf into binary to be placed in mem.
+ * Return a pointer to the character AFTER the last byte written.
+ * May return an error.
+ */
+int kgdb_hex2mem(char *buf, char *mem, int count)
+{
+	char *tmp_raw;
+	char *tmp_hex;
+	unsigned short *mmr16;
+	unsigned long *mmr32;
+	int cpu = raw_smp_processor_id();
+
+	if (validate_memory_access_address((unsigned long)mem, count))
+		return EFAULT;
+
+	/*
+	 * We use the upper half of buf as an intermediate buffer for the
+	 * raw memory that is converted from hex.
+	 */
+	tmp_raw = buf + count * 2;
+
+	tmp_hex = tmp_raw - 1;
+	while (tmp_hex >= buf) {
+		tmp_raw--;
+		*tmp_raw = hex(*tmp_hex--);
+		*tmp_raw |= hex(*tmp_hex--) << 4;
+	}
+
+	if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/
+		switch (count) {
+		case 2:
+			if ((unsigned int)mem % 2 == 0) {
+				mmr16 = (unsigned short *)tmp_raw;
+				*(unsigned short *)mem = *mmr16;
+			} else
+				return EFAULT;
+			break;
+		case 4:
+			if ((unsigned int)mem % 4 == 0) {
+				mmr32 = (unsigned long *)tmp_raw;
+				*(unsigned long *)mem = *mmr32;
+			} else
+				return EFAULT;
+			break;
+		default:
+			return EFAULT;
+		}
+	} else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START &&
+		(unsigned int)(mem + count) <= L1_CODE_START + L1_CODE_LENGTH
+#ifdef CONFIG_SMP
+		|| cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START &&
+		(unsigned int)(mem + count) <=
+		COREB_L1_CODE_START + L1_CODE_LENGTH
+#endif
+		) {
+		/* access L1 instruction SRAM */
+		if (dma_memcpy(mem, tmp_raw, count) == NULL)
+			return EFAULT;
+	} else
+		return probe_kernel_write(mem, tmp_raw, count);
+	return 0;
+}
+
+int kgdb_validate_break_address(unsigned long addr)
+{
+	int cpu = raw_smp_processor_id();
+
+	if (addr >= 0x1000 && (addr + BREAK_INSTR_SIZE) <= physical_mem_end)
+		return 0;
+	if (addr >= ASYNC_BANK0_BASE
+	   && addr + BREAK_INSTR_SIZE <= ASYNC_BANK3_BASE + ASYNC_BANK3_BASE)
+		return 0;
+#if L1_CODE_LENGTH != 0
+	if (cpu == 0 && addr >= L1_CODE_START
+	   && addr + BREAK_INSTR_SIZE <= L1_CODE_START + L1_CODE_LENGTH)
+		return 0;
+# ifdef CONFIG_SMP
+	else if (cpu == 1 && addr >= COREB_L1_CODE_START
+	   && addr + BREAK_INSTR_SIZE <= COREB_L1_CODE_START + L1_CODE_LENGTH)
+		return 0;
+# endif
+#endif
+#if L2_LENGTH != 0
+	if (addr >= L2_START
+	   && addr + BREAK_INSTR_SIZE <= L2_START + L2_LENGTH)
+		return 0;
+#endif
+
+	return EFAULT;
+}
+
+int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr)
+{
+	int err;
+	int cpu = raw_smp_processor_id();
+
+	if ((cpu == 0 && (unsigned int)addr >= L1_CODE_START
+		&& (unsigned int)(addr + BREAK_INSTR_SIZE)
+		< L1_CODE_START + L1_CODE_LENGTH)
+#ifdef CONFIG_SMP
+		|| (cpu == 1 && (unsigned int)addr >= COREB_L1_CODE_START
+		&& (unsigned int)(addr + BREAK_INSTR_SIZE)
+		< COREB_L1_CODE_START + L1_CODE_LENGTH)
+#endif
+		) {
+		/* access L1 instruction SRAM */
+		if (dma_memcpy(saved_instr, (void *)addr, BREAK_INSTR_SIZE)
+			== NULL)
+			return -EFAULT;
+
+		if (dma_memcpy((void *)addr, arch_kgdb_ops.gdb_bpt_instr,
+			BREAK_INSTR_SIZE) == NULL)
+			return -EFAULT;
+
+		return 0;
+	} else {
+		err = probe_kernel_read(saved_instr, (char *)addr,
+			BREAK_INSTR_SIZE);
+		if (err)
+			return err;
+
+		return probe_kernel_write((char *)addr,
+			arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE);
+	}
+}
+
+int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle)
+{
+	if ((unsigned int)addr >= L1_CODE_START &&
+		(unsigned int)(addr + BREAK_INSTR_SIZE) <
+			L1_CODE_START + L1_CODE_LENGTH) {
+		/* access L1 instruction SRAM */
+		if (dma_memcpy((void *)addr, bundle, BREAK_INSTR_SIZE) == NULL)
+			return -EFAULT;
+
+		return 0;
+	} else
+		return probe_kernel_write((char *)addr,
+				(char *)bundle, BREAK_INSTR_SIZE);
+}
+
+int kgdb_arch_init(void)
+{
+	kgdb_single_step = 0;
+
+	bfin_remove_all_hw_break();
+	return 0;
+}
+
+void kgdb_arch_exit(void)
+{
+}
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index bf1a51d8e60..140bf00e997 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -46,7 +46,6 @@
 #include <asm/dma.h>
 #include <asm/fixed_code.h>
 
-#define MAX_SHARED_LIBS 3
 #define TEXT_OFFSET 0
 /*
  * does not yet catch signals sent when the child dies.
@@ -161,21 +160,32 @@ static inline int is_user_addr_valid(struct task_struct *child,
 	struct vm_list_struct *vml;
 	struct sram_list_struct *sraml;
 
+	/* overflow */
+	if (start + len < start)
+		return -EIO;
+
 	for (vml = child->mm->context.vmlist; vml; vml = vml->next)
-		if (start >= vml->vma->vm_start && start + len <= vml->vma->vm_end)
+		if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end)
 			return 0;
 
 	for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next)
 		if (start >= (unsigned long)sraml->addr
-		    && start + len <= (unsigned long)sraml->addr + sraml->length)
+		    && start + len < (unsigned long)sraml->addr + sraml->length)
 			return 0;
 
-	if (start >= FIXED_CODE_START && start + len <= FIXED_CODE_END)
+	if (start >= FIXED_CODE_START && start + len < FIXED_CODE_END)
 		return 0;
 
 	return -EIO;
 }
 
+void ptrace_enable(struct task_struct *child)
+{
+	unsigned long tmp;
+	tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS);
+	put_reg(child, PT_SYSCFG, tmp);
+}
+
 /*
  * Called by kernel/ptrace.c when detaching..
  *
@@ -192,14 +202,12 @@ void ptrace_disable(struct task_struct *child)
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
 	int ret;
-	int add = 0;
 	unsigned long __user *datap = (unsigned long __user *)data;
 
 	switch (request) {
 		/* when I and D space are separate, these will need to be fixed. */
 	case PTRACE_PEEKDATA:
 		pr_debug("ptrace: PEEKDATA\n");
-		add = MAX_SHARED_LIBS * 4;	/* space between text and data */
 		/* fall through */
 	case PTRACE_PEEKTEXT:	/* read word at location addr. */
 		{
@@ -207,40 +215,35 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			int copied;
 
 			ret = -EIO;
-			pr_debug("ptrace: PEEKTEXT at addr 0x%08lx + add %d %ld\n", addr, add,
-			         sizeof(data));
-			if (is_user_addr_valid(child, addr + add, sizeof(tmp)) < 0)
+			pr_debug("ptrace: PEEKTEXT at addr 0x%08lx + %ld\n", addr, sizeof(data));
+			if (is_user_addr_valid(child, addr, sizeof(tmp)) < 0)
 				break;
 			pr_debug("ptrace: user address is valid\n");
 
-#if L1_CODE_LENGTH != 0
-			if (addr + add >= L1_CODE_START
-			    && addr + add + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) {
-				safe_dma_memcpy (&tmp, (const void *)(addr + add), sizeof(tmp));
+			if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START
+			    && addr + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) {
+				safe_dma_memcpy (&tmp, (const void *)(addr), sizeof(tmp));
 				copied = sizeof(tmp);
-			} else
-#endif
-#if L1_DATA_A_LENGTH != 0
-			if (addr + add >= L1_DATA_A_START
-			    && addr + add + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) {
-				memcpy(&tmp, (const void *)(addr + add), sizeof(tmp));
+
+			} else if (L1_DATA_A_LENGTH != 0 && addr >= L1_DATA_A_START
+			    && addr + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) {
+				memcpy(&tmp, (const void *)(addr), sizeof(tmp));
 				copied = sizeof(tmp);
-			} else
-#endif
-#if L1_DATA_B_LENGTH != 0
-			if (addr + add >= L1_DATA_B_START
-			    && addr + add + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) {
-				memcpy(&tmp, (const void *)(addr + add), sizeof(tmp));
+
+			} else if (L1_DATA_B_LENGTH != 0 && addr >= L1_DATA_B_START
+			    && addr + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) {
+				memcpy(&tmp, (const void *)(addr), sizeof(tmp));
 				copied = sizeof(tmp);
-			} else
-#endif
-			if (addr + add >= FIXED_CODE_START
-			    && addr + add + sizeof(tmp) <= FIXED_CODE_END) {
-				memcpy(&tmp, (const void *)(addr + add), sizeof(tmp));
+
+			} else if (addr >= FIXED_CODE_START
+			    && addr + sizeof(tmp) <= FIXED_CODE_END) {
+				memcpy(&tmp, (const void *)(addr), sizeof(tmp));
 				copied = sizeof(tmp);
+
 			} else
-				copied = access_process_vm(child, addr + add, &tmp,
+				copied = access_process_vm(child, addr, &tmp,
 							   sizeof(tmp), 0);
+
 			pr_debug("ptrace: copied size %d [0x%08lx]\n", copied, tmp);
 			if (copied != sizeof(tmp))
 				break;
@@ -284,47 +287,43 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
 		/* when I and D space are separate, this will have to be fixed. */
 	case PTRACE_POKEDATA:
-		printk(KERN_NOTICE "ptrace: PTRACE_PEEKDATA\n");
+		pr_debug("ptrace: PTRACE_PEEKDATA\n");
 		/* fall through */
 	case PTRACE_POKETEXT:	/* write the word at location addr. */
 		{
 			int copied;
 
 			ret = -EIO;
-			pr_debug("ptrace: POKETEXT at addr 0x%08lx + add %d %ld bytes %lx\n",
-			         addr, add, sizeof(data), data);
-			if (is_user_addr_valid(child, addr + add, sizeof(data)) < 0)
+			pr_debug("ptrace: POKETEXT at addr 0x%08lx + %ld bytes %lx\n",
+			         addr, sizeof(data), data);
+			if (is_user_addr_valid(child, addr, sizeof(data)) < 0)
 				break;
 			pr_debug("ptrace: user address is valid\n");
 
-#if L1_CODE_LENGTH != 0
-			if (addr + add >= L1_CODE_START
-			    && addr + add + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) {
-				safe_dma_memcpy ((void *)(addr + add), &data, sizeof(data));
+			if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START
+			    && addr + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) {
+				safe_dma_memcpy ((void *)(addr), &data, sizeof(data));
 				copied = sizeof(data);
-			} else
-#endif
-#if L1_DATA_A_LENGTH != 0
-			if (addr + add >= L1_DATA_A_START
-			    && addr + add + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) {
-				memcpy((void *)(addr + add), &data, sizeof(data));
+
+			} else if (L1_DATA_A_LENGTH != 0 && addr >= L1_DATA_A_START
+			    && addr + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) {
+				memcpy((void *)(addr), &data, sizeof(data));
 				copied = sizeof(data);
-			} else
-#endif
-#if L1_DATA_B_LENGTH != 0
-			if (addr + add >= L1_DATA_B_START
-			    && addr + add + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) {
-				memcpy((void *)(addr + add), &data, sizeof(data));
+
+			} else if (L1_DATA_B_LENGTH != 0 && addr >= L1_DATA_B_START
+			    && addr + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) {
+				memcpy((void *)(addr), &data, sizeof(data));
 				copied = sizeof(data);
-			} else
-#endif
-			if (addr + add >= FIXED_CODE_START
-			    && addr + add + sizeof(data) <= FIXED_CODE_END) {
-				memcpy((void *)(addr + add), &data, sizeof(data));
+
+			} else if (addr >= FIXED_CODE_START
+			    && addr + sizeof(data) <= FIXED_CODE_END) {
+				memcpy((void *)(addr), &data, sizeof(data));
 				copied = sizeof(data);
+
 			} else
-				copied = access_process_vm(child, addr + add, &data,
+				copied = access_process_vm(child, addr, &data,
 							   sizeof(data), 1);
+
 			pr_debug("ptrace: copied size %d\n", copied);
 			if (copied != sizeof(data))
 				break;
@@ -351,29 +350,22 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		break;
 
 	case PTRACE_SYSCALL:	/* continue and stop at next (return from) syscall */
-	case PTRACE_CONT:
-		{		/* restart after signal. */
-			long tmp;
+	case PTRACE_CONT:	/* restart after signal. */
+		pr_debug("ptrace: syscall/cont\n");
 
-			pr_debug("ptrace_cont\n");
-
-			ret = -EIO;
-			if (!valid_signal(data))
-				break;
-			if (request == PTRACE_SYSCALL)
-				set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			else
-				clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-			child->exit_code = data;
-			/* make sure the single step bit is not set. */
-			tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS);
-			put_reg(child, PT_SYSCFG, tmp);
-			pr_debug("before wake_up_process\n");
-			wake_up_process(child);
-			ret = 0;
+		ret = -EIO;
+		if (!valid_signal(data))
 			break;
-		}
+		if (request == PTRACE_SYSCALL)
+			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+		else
+			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+		child->exit_code = data;
+		ptrace_disable(child);
+		pr_debug("ptrace: before wake_up_process\n");
+		wake_up_process(child);
+		ret = 0;
+		break;
 
 	/*
 	 * make the child exit.  Best I can do is send it a sigkill.
@@ -381,55 +373,37 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	 * exit.
 	 */
 	case PTRACE_KILL:
-		{
-			long tmp;
-			ret = 0;
-			if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
-				break;
-			child->exit_code = SIGKILL;
-			/* make sure the single step bit is not set. */
-			tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS);
-			put_reg(child, PT_SYSCFG, tmp);
-			wake_up_process(child);
+		ret = 0;
+		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
 			break;
-		}
-
-	case PTRACE_SINGLESTEP:
-		{		/* set the trap flag. */
-			long tmp;
-
-			pr_debug("single step\n");
-			ret = -EIO;
-			if (!valid_signal(data))
-				break;
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-			tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS);
-			put_reg(child, PT_SYSCFG, tmp);
+		child->exit_code = SIGKILL;
+		ptrace_disable(child);
+		wake_up_process(child);
+		break;
 
-			child->exit_code = data;
-			/* give it a chance to run. */
-			wake_up_process(child);
-			ret = 0;
+	case PTRACE_SINGLESTEP:	/* set the trap flag. */
+		pr_debug("ptrace: single step\n");
+		ret = -EIO;
+		if (!valid_signal(data))
 			break;
-		}
+		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+		ptrace_enable(child);
+		child->exit_code = data;
+		wake_up_process(child);
+		ret = 0;
+		break;
 
 	case PTRACE_GETREGS:
-		{
-
-			/* Get all gp regs from the child. */
-			ret = ptrace_getregs(child, datap);
-			break;
-		}
+		/* Get all gp regs from the child. */
+		ret = ptrace_getregs(child, datap);
+		break;
 
 	case PTRACE_SETREGS:
-		{
-			printk(KERN_NOTICE
-			       "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n");
-			/* Set all gp regs in the child. */
-			ret = 0;
-			break;
-		}
+		printk(KERN_WARNING "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n");
+		/* Set all gp regs in the child. */
+		ret = 0;
+		break;
+
 	default:
 		ret = ptrace_request(child, request, addr, data);
 		break;
@@ -440,7 +414,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
 asmlinkage void syscall_trace(void)
 {
-
 	if (!test_thread_flag(TIF_SYSCALL_TRACE))
 		return;
 
diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index 367e2dc0988..ae97ca407b0 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/arch/blackfin/kernel/reboot.c
@@ -10,6 +10,7 @@
 #include <asm/bfin-global.h>
 #include <asm/reboot.h>
 #include <asm/system.h>
+#include <asm/bfrom.h>
 
 /* A system soft reset makes external memory unusable so force
  * this function into L1.  We use the compiler ssync here rather
@@ -20,7 +21,7 @@
  * the core reset.
  */
 __attribute__((l1_text))
-void bfin_reset(void)
+static void bfin_reset(void)
 {
 	/* Wait for completion of "system" events such as cache line
 	 * line fills so that we avoid infinite stalls later on as
@@ -34,15 +35,15 @@ void bfin_reset(void)
 		bfin_write_SWRST(0x7);
 
 		/* Due to the way reset is handled in the hardware, we need
-		 * to delay for 7 SCLKS.  The only reliable way to do this is
-		 * to calculate the CCLK/SCLK ratio and multiply 7.  For now,
+		 * to delay for 10 SCLKS.  The only reliable way to do this is
+		 * to calculate the CCLK/SCLK ratio and multiply 10.  For now,
 		 * we'll assume worse case which is a 1:15 ratio.
 		 */
 		asm(
 			"LSETUP (1f, 1f) LC0 = %0\n"
 			"1: nop;"
 			:
-			: "a" (15 * 7)
+			: "a" (15 * 10)
 			: "LC0", "LB0", "LT0"
 		);
 
@@ -74,7 +75,14 @@ void machine_restart(char *cmd)
 {
 	native_machine_restart(cmd);
 	local_irq_disable();
-	bfin_reset();
+	if (ANOMALY_05000353 || ANOMALY_05000386)
+		bfin_reset();
+	else
+		/* the bootrom checks to see how it was reset and will
+		 * automatically perform a software reset for us when
+		 * it starts executing boot
+		 */
+		asm("raise 1;");
 }
 
 __attribute__((weak))
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 7a82d10b4eb..7f35d1046cd 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -42,6 +42,7 @@ EXPORT_SYMBOL(memory_start);
 EXPORT_SYMBOL(memory_end);
 EXPORT_SYMBOL(physical_mem_end);
 EXPORT_SYMBOL(_ramend);
+EXPORT_SYMBOL(reserved_mem_dcache_on);
 
 #ifdef CONFIG_MTD_UCLINUX
 unsigned long memory_mtd_end, memory_mtd_start, mtd_size;
@@ -52,7 +53,8 @@ EXPORT_SYMBOL(mtd_size);
 #endif
 
 char __initdata command_line[COMMAND_LINE_SIZE];
-unsigned int __initdata *__retx;
+void __initdata *init_retx, *init_saved_retx, *init_saved_seqstat,
+	*init_saved_icplb_fault_addr, *init_saved_dcplb_fault_addr;
 
 /* boot memmap, for parsing "memmap=" */
 #define BFIN_MEMMAP_MAX		128 /* number of entries in bfin_memmap */
@@ -77,10 +79,10 @@ static struct change_member *change_point[2*BFIN_MEMMAP_MAX] __initdata;
 static struct bfin_memmap_entry *overlap_list[BFIN_MEMMAP_MAX] __initdata;
 static struct bfin_memmap_entry new_map[BFIN_MEMMAP_MAX] __initdata;
 
-void __init bf53x_cache_init(void)
+void __init bfin_cache_init(void)
 {
 #if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE)
-	generate_cpl_tables();
+	generate_cplb_tables();
 #endif
 
 #ifdef CONFIG_BFIN_ICACHE
@@ -100,7 +102,7 @@ void __init bf53x_cache_init(void)
 #endif
 }
 
-void __init bf53x_relocate_l1_mem(void)
+void __init bfin_relocate_l1_mem(void)
 {
 	unsigned long l1_code_length;
 	unsigned long l1_data_a_length;
@@ -410,7 +412,7 @@ static __init void parse_cmdline_early(char *cmdline_p)
  *  [_rambase, _ramstart]:		kernel image
  *  [memory_start, memory_end]:		dynamic memory managed by kernel
  *  [memory_end, _ramend]:		reserved memory
- *  	[meory_mtd_start(memory_end),
+ *  	[memory_mtd_start(memory_end),
  *  		memory_mtd_start + mtd_size]:	rootfs (if any)
  *	[_ramend - DMA_UNCACHED_REGION,
  *		_ramend]:			uncached DMA region
@@ -782,16 +784,25 @@ void __init setup_arch(char **cmdline_p)
 
 	_bfin_swrst = bfin_read_SWRST();
 
-	/* If we double fault, reset the system - otherwise we hang forever */
-	bfin_write_SWRST(DOUBLE_FAULT);
+#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT
+	bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT);
+#endif
+#ifdef CONFIG_DEBUG_DOUBLEFAULT_RESET
+	bfin_write_SWRST(_bfin_swrst | DOUBLE_FAULT);
+#endif
 
-	if (_bfin_swrst & RESET_DOUBLE)
-		/*
-		 * don't decode the address, since you don't know if this
-		 * kernel's symbol map is the same as the crashing kernel
-		 */
-		printk(KERN_INFO "Recovering from Double Fault event at %pF\n", __retx);
-	else if (_bfin_swrst & RESET_WDOG)
+	if (_bfin_swrst & RESET_DOUBLE) {
+		printk(KERN_EMERG "Recovering from DOUBLE FAULT event\n");
+#ifdef CONFIG_DEBUG_DOUBLEFAULT
+		/* We assume the crashing kernel, and the current symbol table match */
+		printk(KERN_EMERG " While handling exception (EXCAUSE = 0x%x) at %pF\n",
+			(int)init_saved_seqstat & SEQSTAT_EXCAUSE, init_saved_retx);
+		printk(KERN_NOTICE "   DCPLB_FAULT_ADDR: %pF\n", init_saved_dcplb_fault_addr);
+		printk(KERN_NOTICE "   ICPLB_FAULT_ADDR: %pF\n", init_saved_icplb_fault_addr);
+#endif
+		printk(KERN_NOTICE " The instruction at %pF caused a double exception\n",
+			init_retx);
+	} else if (_bfin_swrst & RESET_WDOG)
 		printk(KERN_INFO "Recovering from Watchdog event\n");
 	else if (_bfin_swrst & RESET_SOFTWARE)
 		printk(KERN_NOTICE "Reset caused by Software reset\n");
@@ -803,17 +814,24 @@ void __init setup_arch(char **cmdline_p)
 		printk(KERN_INFO "Compiled for ADSP-%s Rev none\n", CPU);
 	else
 		printk(KERN_INFO "Compiled for ADSP-%s Rev 0.%d\n", CPU, bfin_compiled_revid());
-	if (bfin_revid() != bfin_compiled_revid()) {
-		if (bfin_compiled_revid() == -1)
-			printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n",
-			       bfin_revid());
-		else if (bfin_compiled_revid() != 0xffff)
-			printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n",
-			       bfin_compiled_revid(), bfin_revid());
+
+	if (unlikely(CPUID != bfin_cpuid()))
+		printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n",
+			CPU, bfin_cpuid(), bfin_revid());
+	else {
+		if (bfin_revid() != bfin_compiled_revid()) {
+			if (bfin_compiled_revid() == -1)
+				printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n",
+				       bfin_revid());
+			else if (bfin_compiled_revid() != 0xffff)
+				printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n",
+				       bfin_compiled_revid(), bfin_revid());
+		}
+		if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX)
+			printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n",
+			       CPU, bfin_revid());
 	}
-	if (bfin_revid() < SUPPORTED_REVID)
-		printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n",
-		       CPU, bfin_revid());
+
 	printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");
 
 	printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",
@@ -850,7 +868,7 @@ void __init setup_arch(char **cmdline_p)
 		!= SAFE_USER_INSTRUCTION - FIXED_CODE_START);
 
 	init_exception_vectors();
-	bf53x_cache_init();
+	bfin_cache_init();
 }
 
 static int __init topology_init(void)
@@ -986,13 +1004,18 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	}
 
 	seq_printf(m, "processor\t: %d\n"
-		"vendor_id\t: %s\n"
-		"cpu family\t: 0x%x\n"
-		"model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n"
+		"vendor_id\t: %s\n",
+		*(unsigned int *)v,
+		vendor);
+
+	if (CPUID == bfin_cpuid())
+		seq_printf(m, "cpu family\t: 0x%04x\n", CPUID);
+	else
+		seq_printf(m, "cpu family\t: Compiled for:0x%04x, running on:0x%04x\n",
+			CPUID, bfin_cpuid());
+
+	seq_printf(m, "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n"
 		"stepping\t: %d\n",
-		0,
-		vendor,
-		(bfin_read_CHIPID() & CHIPID_FAMILY),
 		cpu, cclk/1000000, sclk/1000000,
 #ifdef CONFIG_MPU
 		"mpu on",
@@ -1038,7 +1061,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	if ((bfin_read_DMEM_CONTROL() & (ENDCPLB | DMC_ENABLE)) != (ENDCPLB | DMC_ENABLE))
 		dcache_size = 0;
 
-	if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) == (IMC | ENICPLB))
+	if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) != (IMC | ENICPLB))
 		icache_size = 0;
 
 	seq_printf(m, "cache size\t: %d KB(L1 icache) "
@@ -1127,12 +1150,18 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
 static void *c_start(struct seq_file *m, loff_t *pos)
 {
-	return *pos < NR_CPUS ? ((void *)0x12345678) : NULL;
+	if (*pos == 0)
+		*pos = first_cpu(cpu_online_map);
+	if (*pos >= num_online_cpus())
+		return NULL;
+
+	return pos;
 }
 
 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
 {
-	++*pos;
+	*pos = next_cpu(*pos, cpu_online_map);
+
 	return c_start(m, pos);
 }
 
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 9a9d5083acf..1aa2c788e22 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -34,20 +34,19 @@
 #include <linux/fs.h>
 #include <asm/traps.h>
 #include <asm/cacheflush.h>
+#include <asm/cplb.h>
 #include <asm/blackfin.h>
 #include <asm/irq_handler.h>
 #include <linux/irq.h>
 #include <asm/trace.h>
 #include <asm/fixed_code.h>
-#include <asm/dma.h>
 
 #ifdef CONFIG_KGDB
-# include <linux/debugger.h>
 # include <linux/kgdb.h>
 
 # define CHK_DEBUGGER_TRAP() \
 	do { \
-		CHK_DEBUGGER(trapnr, sig, info.si_code, fp, ); \
+		kgdb_handle_exception(trapnr, sig, info.si_code, fp); \
 	} while (0)
 # define CHK_DEBUGGER_TRAP_MAYBE() \
 	do { \
@@ -59,6 +58,15 @@
 # define CHK_DEBUGGER_TRAP_MAYBE() do { } while (0)
 #endif
 
+
+#ifdef CONFIG_VERBOSE_DEBUG
+#define verbose_printk(fmt, arg...) \
+	printk(fmt, ##arg)
+#else
+#define verbose_printk(fmt, arg...) \
+	({ if (0) printk(fmt, ##arg); 0; })
+#endif
+
 /* Initiate the event table handler */
 void __init trap_init(void)
 {
@@ -67,10 +75,19 @@ void __init trap_init(void)
 	CSYNC();
 }
 
-unsigned long saved_icplb_fault_addr, saved_dcplb_fault_addr;
+/*
+ * Used to save the RETX, SEQSTAT, I/D CPLB FAULT ADDR
+ * values across the transition from exception to IRQ5.
+ * We put these in L1, so they are going to be in a valid
+ * location during exception context
+ */
+__attribute__((l1_data))
+unsigned long saved_retx, saved_seqstat,
+	saved_icplb_fault_addr, saved_dcplb_fault_addr;
 
 static void decode_address(char *buf, unsigned long address)
 {
+#ifdef CONFIG_DEBUG_VERBOSE
 	struct vm_list_struct *vml;
 	struct task_struct *p;
 	struct mm_struct *mm;
@@ -178,16 +195,39 @@ static void decode_address(char *buf, unsigned long address)
 
 done:
 	write_unlock_irqrestore(&tasklist_lock, flags);
+#else
+	sprintf(buf, " ");
+#endif
 }
 
 asmlinkage void double_fault_c(struct pt_regs *fp)
 {
 	console_verbose();
 	oops_in_progress = 1;
+#ifdef CONFIG_DEBUG_VERBOSE
 	printk(KERN_EMERG "\n" KERN_EMERG "Double Fault\n");
-	dump_bfin_process(fp);
-	dump_bfin_mem(fp);
-	show_regs(fp);
+#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT
+	if (((long)fp->seqstat &  SEQSTAT_EXCAUSE) == VEC_UNCOV) {
+		char buf[150];
+		decode_address(buf, saved_retx);
+		printk(KERN_EMERG "While handling exception (EXCAUSE = 0x%x) at %s:\n",
+			(int)saved_seqstat & SEQSTAT_EXCAUSE, buf);
+		decode_address(buf, saved_dcplb_fault_addr);
+		printk(KERN_NOTICE "   DCPLB_FAULT_ADDR: %s\n", buf);
+		decode_address(buf, saved_icplb_fault_addr);
+		printk(KERN_NOTICE "   ICPLB_FAULT_ADDR: %s\n", buf);
+
+		decode_address(buf, fp->retx);
+		printk(KERN_NOTICE "The instruction at %s caused a double exception\n",
+			buf);
+	} else
+#endif
+	{
+		dump_bfin_process(fp);
+		dump_bfin_mem(fp);
+		show_regs(fp);
+	}
+#endif
 	panic("Double Fault - unrecoverable event\n");
 
 }
@@ -259,34 +299,42 @@ asmlinkage void trap_c(struct pt_regs *fp)
 			return;
 		else
 			break;
+	/* 0x03 - User Defined, userspace stack overflow */
+	case VEC_EXCPT03:
+		info.si_code = SEGV_STACKFLOW;
+		sig = SIGSEGV;
+		verbose_printk(KERN_NOTICE EXC_0x03(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
+		break;
+	/* 0x02 - KGDB initial connection and break signal trap */
+	case VEC_EXCPT02:
 #ifdef CONFIG_KGDB
-	case VEC_EXCPT02 :		 /* gdb connection */
 		info.si_code = TRAP_ILLTRAP;
 		sig = SIGTRAP;
 		CHK_DEBUGGER_TRAP();
 		return;
-#else
-	/* 0x02 - User Defined, Caught by default */
 #endif
-	/* 0x03 - User Defined, userspace stack overflow */
-	case VEC_EXCPT03:
-		info.si_code = SEGV_STACKFLOW;
-		sig = SIGSEGV;
-		printk(KERN_NOTICE EXC_0x03(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+	/* 0x04 - User Defined */
+	/* 0x05 - User Defined */
+	/* 0x06 - User Defined */
+	/* 0x07 - User Defined */
+	/* 0x08 - User Defined */
+	/* 0x09 - User Defined */
+	/* 0x0A - User Defined */
+	/* 0x0B - User Defined */
+	/* 0x0C - User Defined */
+	/* 0x0D - User Defined */
+	/* 0x0E - User Defined */
+	/* 0x0F - User Defined */
+	/* If we got here, it is most likely that someone was trying to use a
+	 * custom exception handler, and it is not actually installed properly
+	 */
+	case VEC_EXCPT04 ... VEC_EXCPT15:
+		info.si_code = ILL_ILLPARAOP;
+		sig = SIGILL;
+		verbose_printk(KERN_NOTICE EXC_0x04(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
-	/* 0x04 - User Defined, Caught by default */
-	/* 0x05 - User Defined, Caught by default */
-	/* 0x06 - User Defined, Caught by default */
-	/* 0x07 - User Defined, Caught by default */
-	/* 0x08 - User Defined, Caught by default */
-	/* 0x09 - User Defined, Caught by default */
-	/* 0x0A - User Defined, Caught by default */
-	/* 0x0B - User Defined, Caught by default */
-	/* 0x0C - User Defined, Caught by default */
-	/* 0x0D - User Defined, Caught by default */
-	/* 0x0E - User Defined, Caught by default */
-	/* 0x0F - User Defined, Caught by default */
 	/* 0x10 HW Single step, handled here */
 	case VEC_STEP:
 		info.si_code = TRAP_STEP;
@@ -301,8 +349,8 @@ asmlinkage void trap_c(struct pt_regs *fp)
 	case VEC_OVFLOW:
 		info.si_code = TRAP_TRACEFLOW;
 		sig = SIGTRAP;
-		printk(KERN_NOTICE EXC_0x11(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x11(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x12 - Reserved, Caught by default */
 	/* 0x13 - Reserved, Caught by default */
@@ -323,44 +371,43 @@ asmlinkage void trap_c(struct pt_regs *fp)
 	case VEC_UNDEF_I:
 		info.si_code = ILL_ILLOPC;
 		sig = SIGILL;
-		printk(KERN_NOTICE EXC_0x21(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x21(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x22 - Illegal Instruction Combination, handled here */
 	case VEC_ILGAL_I:
 		info.si_code = ILL_ILLPARAOP;
 		sig = SIGILL;
-		printk(KERN_NOTICE EXC_0x22(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x22(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x23 - Data CPLB protection violation, handled here */
 	case VEC_CPLB_VL:
 		info.si_code = ILL_CPLB_VI;
 		sig = SIGBUS;
-		printk(KERN_NOTICE EXC_0x23(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x23(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x24 - Data access misaligned, handled here */
 	case VEC_MISALI_D:
 		info.si_code = BUS_ADRALN;
 		sig = SIGBUS;
-		printk(KERN_NOTICE EXC_0x24(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x24(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x25 - Unrecoverable Event, handled here */
 	case VEC_UNCOV:
 		info.si_code = ILL_ILLEXCPT;
 		sig = SIGILL;
-		printk(KERN_NOTICE EXC_0x25(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x25(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x26 - Data CPLB Miss, normal case is handled in _cplb_hdr,
 		error case is handled here */
 	case VEC_CPLB_M:
 		info.si_code = BUS_ADRALN;
 		sig = SIGBUS;
-		printk(KERN_NOTICE EXC_0x26(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x26(KERN_NOTICE));
 		break;
 	/* 0x27 - Data CPLB Multiple Hits - Linux Trap Zero, handled here */
 	case VEC_CPLB_MHIT:
@@ -368,11 +415,11 @@ asmlinkage void trap_c(struct pt_regs *fp)
 		sig = SIGSEGV;
 #ifdef CONFIG_DEBUG_HUNT_FOR_ZERO
 		if (saved_dcplb_fault_addr < FIXED_CODE_START)
-			printk(KERN_NOTICE "NULL pointer access\n");
+			verbose_printk(KERN_NOTICE "NULL pointer access\n");
 		else
 #endif
-			printk(KERN_NOTICE EXC_0x27(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+			verbose_printk(KERN_NOTICE EXC_0x27(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x28 - Emulation Watchpoint, handled here */
 	case VEC_WATCH:
@@ -390,8 +437,8 @@ asmlinkage void trap_c(struct pt_regs *fp)
 	case VEC_ISTRU_VL:      /* ADSP-BF535 only (MH) */
 		info.si_code = BUS_OPFETCH;
 		sig = SIGBUS;
-		printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n");
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n");
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 #else
 	/* 0x29 - Reserved, Caught by default */
@@ -400,22 +447,21 @@ asmlinkage void trap_c(struct pt_regs *fp)
 	case VEC_MISALI_I:
 		info.si_code = BUS_ADRALN;
 		sig = SIGBUS;
-		printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x2B - Instruction CPLB protection violation, handled here */
 	case VEC_CPLB_I_VL:
 		info.si_code = ILL_CPLB_VI;
 		sig = SIGBUS;
-		printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x2C - Instruction CPLB miss, handled in _cplb_hdr */
 	case VEC_CPLB_I_M:
 		info.si_code = ILL_CPLB_MISS;
 		sig = SIGBUS;
-		printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE));
 		break;
 	/* 0x2D - Instruction CPLB Multiple Hits, handled here */
 	case VEC_CPLB_I_MHIT:
@@ -423,18 +469,18 @@ asmlinkage void trap_c(struct pt_regs *fp)
 		sig = SIGSEGV;
 #ifdef CONFIG_DEBUG_HUNT_FOR_ZERO
 		if (saved_icplb_fault_addr < FIXED_CODE_START)
-			printk(KERN_NOTICE "Jump to NULL address\n");
+			verbose_printk(KERN_NOTICE "Jump to NULL address\n");
 		else
 #endif
-			printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+			verbose_printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x2E - Illegal use of Supervisor Resource, handled here */
 	case VEC_ILL_RES:
 		info.si_code = ILL_PRVOPC;
 		sig = SIGILL;
-		printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE));
-		CHK_DEBUGGER_TRAP();
+		verbose_printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE));
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	/* 0x2F - Reserved, Caught by default */
 	/* 0x30 - Reserved, Caught by default */
@@ -461,17 +507,17 @@ asmlinkage void trap_c(struct pt_regs *fp)
 		case (SEQSTAT_HWERRCAUSE_SYSTEM_MMR):
 			info.si_code = BUS_ADRALN;
 			sig = SIGBUS;
-			printk(KERN_NOTICE HWC_x2(KERN_NOTICE));
+			verbose_printk(KERN_NOTICE HWC_x2(KERN_NOTICE));
 			break;
 		/* External Memory Addressing Error */
 		case (SEQSTAT_HWERRCAUSE_EXTERN_ADDR):
 			info.si_code = BUS_ADRERR;
 			sig = SIGBUS;
-			printk(KERN_NOTICE HWC_x3(KERN_NOTICE));
+			verbose_printk(KERN_NOTICE HWC_x3(KERN_NOTICE));
 			break;
 		/* Performance Monitor Overflow */
 		case (SEQSTAT_HWERRCAUSE_PERF_FLOW):
-			printk(KERN_NOTICE HWC_x12(KERN_NOTICE));
+			verbose_printk(KERN_NOTICE HWC_x12(KERN_NOTICE));
 			break;
 		/* RAISE 5 instruction */
 		case (SEQSTAT_HWERRCAUSE_RAISE_5):
@@ -481,21 +527,25 @@ asmlinkage void trap_c(struct pt_regs *fp)
 			printk(KERN_NOTICE HWC_default(KERN_NOTICE));
 			break;
 		}
-		CHK_DEBUGGER_TRAP();
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
+	/*
+	 * We should be handling all known exception types above,
+	 * if we get here we hit a reserved one, so panic
+	 */
 	default:
-		info.si_code = TRAP_ILLTRAP;
-		sig = SIGTRAP;
-		printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n",
+		oops_in_progress = 1;
+		info.si_code = ILL_ILLPARAOP;
+		sig = SIGILL;
+		verbose_printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n",
 			(fp->seqstat & SEQSTAT_EXCAUSE));
-		CHK_DEBUGGER_TRAP();
+		CHK_DEBUGGER_TRAP_MAYBE();
 		break;
 	}
 
 	BUG_ON(sig == 0);
 
 	if (sig != SIGTRAP) {
-		unsigned long *stack;
 		dump_bfin_process(fp);
 		dump_bfin_mem(fp);
 		show_regs(fp);
@@ -503,7 +553,7 @@ asmlinkage void trap_c(struct pt_regs *fp)
 		/* Print out the trace buffer if it makes sense */
 #ifndef CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE
 		if (trapnr == VEC_CPLB_I_M || trapnr == VEC_CPLB_M)
-			printk(KERN_NOTICE "No trace since you do not have "
+			verbose_printk(KERN_NOTICE "No trace since you do not have "
 				"CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE enabled\n"
 				KERN_NOTICE "\n");
 		else
@@ -512,20 +562,22 @@ asmlinkage void trap_c(struct pt_regs *fp)
 
 		if (oops_in_progress) {
 			/* Dump the current kernel stack */
-			printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n");
+			verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n");
 			show_stack(current, NULL);
-
 			print_modules();
 #ifndef CONFIG_ACCESS_CHECK
-			printk(KERN_EMERG "Please turn on "
+			verbose_printk(KERN_EMERG "Please turn on "
 			       "CONFIG_ACCESS_CHECK\n");
 #endif
 			panic("Kernel exception");
 		} else {
+#ifdef CONFIG_VERBOSE_DEBUG
+			unsigned long *stack;
 			/* Dump the user space stack */
 			stack = (unsigned long *)rdusp();
-			printk(KERN_NOTICE "Userspace Stack\n");
+			verbose_printk(KERN_NOTICE "Userspace Stack\n");
 			show_stack(NULL, stack);
+#endif
 		}
 	}
 
@@ -546,7 +598,7 @@ asmlinkage void trap_c(struct pt_regs *fp)
  * Similar to get_user, do some address checking, then dereference
  * Return true on sucess, false on bad address
  */
-bool get_instruction(unsigned short *val, unsigned short *address)
+static bool get_instruction(unsigned short *val, unsigned short *address)
 {
 
 	unsigned long addr;
@@ -592,7 +644,7 @@ bool get_instruction(unsigned short *val, unsigned short *address)
 
 #if L1_CODE_LENGTH != 0
 	if (addr >= L1_CODE_START && (addr + 2) <= (L1_CODE_START + L1_CODE_LENGTH)) {
-		dma_memcpy(val, address, 2);
+		isram_memcpy(val, address, 2);
 		return true;
 	}
 #endif
@@ -607,45 +659,48 @@ bool get_instruction(unsigned short *val, unsigned short *address)
  * These are the normal instructions which cause change of flow, which
  * would be at the source of the trace buffer
  */
-void decode_instruction(unsigned short *address)
+#ifdef CONFIG_DEBUG_VERBOSE
+static void decode_instruction(unsigned short *address)
 {
 	unsigned short opcode;
 
 	if (get_instruction(&opcode, address)) {
 		if (opcode == 0x0010)
-			printk("RTS");
+			verbose_printk("RTS");
 		else if (opcode == 0x0011)
-			printk("RTI");
+			verbose_printk("RTI");
 		else if (opcode == 0x0012)
-			printk("RTX");
+			verbose_printk("RTX");
 		else if (opcode >= 0x0050 && opcode <= 0x0057)
-			printk("JUMP (P%i)", opcode & 7);
+			verbose_printk("JUMP (P%i)", opcode & 7);
 		else if (opcode >= 0x0060 && opcode <= 0x0067)
-			printk("CALL (P%i)", opcode & 7);
+			verbose_printk("CALL (P%i)", opcode & 7);
 		else if (opcode >= 0x0070 && opcode <= 0x0077)
-			printk("CALL (PC+P%i)", opcode & 7);
+			verbose_printk("CALL (PC+P%i)", opcode & 7);
 		else if (opcode >= 0x0080 && opcode <= 0x0087)
-			printk("JUMP (PC+P%i)", opcode & 7);
+			verbose_printk("JUMP (PC+P%i)", opcode & 7);
 		else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF))
-			printk("IF !CC JUMP");
+			verbose_printk("IF !CC JUMP");
 		else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff))
-			printk("IF CC JUMP");
+			verbose_printk("IF CC JUMP");
 		else if (opcode >= 0x2000 && opcode <= 0x2fff)
-			printk("JUMP.S");
+			verbose_printk("JUMP.S");
 		else if (opcode >= 0xe080 && opcode <= 0xe0ff)
-			printk("LSETUP");
+			verbose_printk("LSETUP");
 		else if (opcode >= 0xe200 && opcode <= 0xe2ff)
-			printk("JUMP.L");
+			verbose_printk("JUMP.L");
 		else if (opcode >= 0xe300 && opcode <= 0xe3ff)
-			printk("CALL pcrel");
+			verbose_printk("CALL pcrel");
 		else
-			printk("0x%04x", opcode);
+			verbose_printk("0x%04x", opcode);
 	}
 
 }
+#endif
 
 void dump_bfin_trace_buffer(void)
 {
+#ifdef CONFIG_DEBUG_VERBOSE
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
 	int tflags, i = 0;
 	char buf[150];
@@ -701,6 +756,7 @@ void dump_bfin_trace_buffer(void)
 
 	trace_buffer_restore(tflags);
 #endif
+#endif
 }
 EXPORT_SYMBOL(dump_bfin_trace_buffer);
 
@@ -708,7 +764,7 @@ EXPORT_SYMBOL(dump_bfin_trace_buffer);
  * Checks to see if the address pointed to is either a
  * 16-bit CALL instruction, or a 32-bit CALL instruction
  */
-bool is_bfin_call(unsigned short *addr)
+static bool is_bfin_call(unsigned short *addr)
 {
 	unsigned short opcode = 0, *ins_addr;
 	ins_addr = (unsigned short *)addr;
@@ -730,8 +786,10 @@ bool is_bfin_call(unsigned short *addr)
 	return false;
 
 }
+
 void show_stack(struct task_struct *task, unsigned long *stack)
 {
+#ifdef CONFIG_PRINTK
 	unsigned int *addr, *endstack, *fp = 0, *frame;
 	unsigned short *ins_addr;
 	char buf[150];
@@ -756,8 +814,10 @@ void show_stack(struct task_struct *task, unsigned long *stack)
 	} else
 		endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack);
 
+	printk(KERN_NOTICE "Stack info:\n");
 	decode_address(buf, (unsigned int)stack);
-	printk(KERN_NOTICE "Stack info:\n" KERN_NOTICE " SP: [0x%p] %s\n", stack, buf);
+	printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf);
+
 	addr = (unsigned int *)((unsigned int)stack & ~0x3F);
 
 	/* First thing is to look for a frame pointer */
@@ -848,7 +908,7 @@ void show_stack(struct task_struct *task, unsigned long *stack)
 		if (!j)
 			printk("\n");
 	}
-
+#endif
 }
 
 void dump_stack(void)
@@ -866,38 +926,39 @@ EXPORT_SYMBOL(dump_stack);
 
 void dump_bfin_process(struct pt_regs *fp)
 {
+#ifdef CONFIG_DEBUG_VERBOSE
 	/* We should be able to look at fp->ipend, but we don't push it on the
 	 * stack all the time, so do this until we fix that */
 	unsigned int context = bfin_read_IPEND();
 
 	if (oops_in_progress)
-		printk(KERN_EMERG "Kernel OOPS in progress\n");
+		verbose_printk(KERN_EMERG "Kernel OOPS in progress\n");
 
 	if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR)
-		printk(KERN_NOTICE "HW Error context\n");
+		verbose_printk(KERN_NOTICE "HW Error context\n");
 	else if (context & 0x0020)
-		printk(KERN_NOTICE "Deferred Exception context\n");
+		verbose_printk(KERN_NOTICE "Deferred Exception context\n");
 	else if (context & 0x3FC0)
-		printk(KERN_NOTICE "Interrupt context\n");
+		verbose_printk(KERN_NOTICE "Interrupt context\n");
 	else if (context & 0x4000)
-		printk(KERN_NOTICE "Deferred Interrupt context\n");
+		verbose_printk(KERN_NOTICE "Deferred Interrupt context\n");
 	else if (context & 0x8000)
-		printk(KERN_NOTICE "Kernel process context\n");
+		verbose_printk(KERN_NOTICE "Kernel process context\n");
 
 	/* Because we are crashing, and pointers could be bad, we check things
 	 * pretty closely before we use them
 	 */
 	if ((unsigned long)current >= FIXED_CODE_START &&
 	    !((unsigned long)current & 0x3) && current->pid) {
-		printk(KERN_NOTICE "CURRENT PROCESS:\n");
+		verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n");
 		if (current->comm >= (char *)FIXED_CODE_START)
-			printk(KERN_NOTICE "COMM=%s PID=%d\n",
+			verbose_printk(KERN_NOTICE "COMM=%s PID=%d\n",
 				current->comm, current->pid);
 		else
-			printk(KERN_NOTICE "COMM= invalid\n");
+			verbose_printk(KERN_NOTICE "COMM= invalid\n");
 
 		if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START)
-			printk(KERN_NOTICE  "TEXT = 0x%p-0x%p        DATA = 0x%p-0x%p\n"
+			verbose_printk(KERN_NOTICE  "TEXT = 0x%p-0x%p        DATA = 0x%p-0x%p\n"
 				KERN_NOTICE " BSS = 0x%p-0x%p  USER-STACK = 0x%p\n"
 				KERN_NOTICE "\n",
 				(void *)current->mm->start_code,
@@ -908,38 +969,40 @@ void dump_bfin_process(struct pt_regs *fp)
 				(void *)current->mm->brk,
 				(void *)current->mm->start_stack);
 		else
-			printk(KERN_NOTICE "invalid mm\n");
+			verbose_printk(KERN_NOTICE "invalid mm\n");
 	} else
-		printk(KERN_NOTICE "\n" KERN_NOTICE
+		verbose_printk(KERN_NOTICE "\n" KERN_NOTICE
 		     "No Valid process in current context\n");
+#endif
 }
 
 void dump_bfin_mem(struct pt_regs *fp)
 {
+#ifdef CONFIG_DEBUG_VERBOSE
 	unsigned short *addr, *erraddr, val = 0, err = 0;
 	char sti = 0, buf[6];
 
 	erraddr = (void *)fp->pc;
 
-	printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr);
+	verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr);
 
 	for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10;
 	     addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10;
 	     addr++) {
 		if (!((unsigned long)addr & 0xF))
-			printk("\n" KERN_NOTICE "0x%p: ", addr);
+			verbose_printk("\n" KERN_NOTICE "0x%p: ", addr);
 
-		if (get_instruction(&val, addr)) {
+		if (!get_instruction(&val, addr)) {
 				val = 0;
 				sprintf(buf, "????");
 		} else
 			sprintf(buf, "%04x", val);
 
 		if (addr == erraddr) {
-			printk("[%s]", buf);
+			verbose_printk("[%s]", buf);
 			err = val;
 		} else
-			printk(" %s ", buf);
+			verbose_printk(" %s ", buf);
 
 		/* Do any previous instructions turn on interrupts? */
 		if (addr <= erraddr &&				/* in the past */
@@ -948,14 +1011,14 @@ void dump_bfin_mem(struct pt_regs *fp)
 			sti = 1;
 	}
 
-	printk("\n");
+	verbose_printk("\n");
 
 	/* Hardware error interrupts can be deferred */
 	if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR &&
 	    oops_in_progress)){
-		printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n");
+		verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n");
 #ifndef CONFIG_DEBUG_HWERR
-		printk(KERN_NOTICE "The remaining message may be meaningless\n"
+		verbose_printk(KERN_NOTICE "The remaining message may be meaningless\n"
 			KERN_NOTICE "You should enable CONFIG_DEBUG_HWERR to get a"
 			 " better idea where it came from\n");
 #else
@@ -969,34 +1032,47 @@ void dump_bfin_mem(struct pt_regs *fp)
 			/* And the last RETI points to the current userspace context */
 			if ((fp + 1)->pc >= current->mm->start_code &&
 			    (fp + 1)->pc <= current->mm->end_code) {
-				printk(KERN_NOTICE "It might be better to look around here : \n");
-				printk(KERN_NOTICE "-------------------------------------------\n");
+				verbose_printk(KERN_NOTICE "It might be better to look around here : \n");
+				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
 				show_regs(fp + 1);
-				printk(KERN_NOTICE "-------------------------------------------\n");
+				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
 			}
 		}
 #endif
 	}
+#endif
 }
 
 void show_regs(struct pt_regs *fp)
 {
+#ifdef CONFIG_DEBUG_VERBOSE
 	char buf [150];
 	struct irqaction *action;
 	unsigned int i;
 	unsigned long flags;
 
-	printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted());
-	printk(KERN_NOTICE " SEQSTAT: %08lx  IPEND: %04lx  SYSCFG: %04lx\n",
+	verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted());
+	verbose_printk(KERN_NOTICE " SEQSTAT: %08lx  IPEND: %04lx  SYSCFG: %04lx\n",
 		(long)fp->seqstat, fp->ipend, fp->syscfg);
-	printk(KERN_NOTICE "  HWERRCAUSE: 0x%lx\n",
-		(fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14);
-	printk(KERN_NOTICE "  EXCAUSE   : 0x%lx\n",
+	if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) {
+		verbose_printk(KERN_NOTICE "  HWERRCAUSE: 0x%lx\n",
+			(fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14);
+#ifdef EBIU_ERRMST
+		/* If the error was from the EBIU, print it out */
+		if (bfin_read_EBIU_ERRMST() & CORE_ERROR) {
+			verbose_printk(KERN_NOTICE "  EBIU Error Reason  : 0x%04x\n",
+				bfin_read_EBIU_ERRMST());
+			verbose_printk(KERN_NOTICE "  EBIU Error Address : 0x%08x\n",
+				bfin_read_EBIU_ERRADD());
+		}
+#endif
+	}
+	verbose_printk(KERN_NOTICE "  EXCAUSE   : 0x%lx\n",
 		fp->seqstat & SEQSTAT_EXCAUSE);
 	for (i = 6; i <= 15 ; i++) {
 		if (fp->ipend & (1 << i)) {
 			decode_address(buf, bfin_read32(EVT0 + 4*i));
-			printk(KERN_NOTICE "  physical IVG%i asserted : %s\n", i, buf);
+			verbose_printk(KERN_NOTICE "  physical IVG%i asserted : %s\n", i, buf);
 		}
 	}
 
@@ -1009,64 +1085,65 @@ void show_regs(struct pt_regs *fp)
 				goto unlock;
 
 			decode_address(buf, (unsigned int)action->handler);
-			printk(KERN_NOTICE "  logical irq %3d mapped  : %s", i, buf);
+			verbose_printk(KERN_NOTICE "  logical irq %3d mapped  : %s", i, buf);
 			for (action = action->next; action; action = action->next) {
 				decode_address(buf, (unsigned int)action->handler);
-				printk(", %s", buf);
+				verbose_printk(", %s", buf);
 			}
-			printk("\n");
+			verbose_printk("\n");
 unlock:
 			spin_unlock_irqrestore(&irq_desc[i].lock, flags);
 		}
 	}
 
 	decode_address(buf, fp->rete);
-	printk(KERN_NOTICE " RETE: %s\n", buf);
+	verbose_printk(KERN_NOTICE " RETE: %s\n", buf);
 	decode_address(buf, fp->retn);
-	printk(KERN_NOTICE " RETN: %s\n", buf);
+	verbose_printk(KERN_NOTICE " RETN: %s\n", buf);
 	decode_address(buf, fp->retx);
-	printk(KERN_NOTICE " RETX: %s\n", buf);
+	verbose_printk(KERN_NOTICE " RETX: %s\n", buf);
 	decode_address(buf, fp->rets);
-	printk(KERN_NOTICE " RETS: %s\n", buf);
+	verbose_printk(KERN_NOTICE " RETS: %s\n", buf);
 	decode_address(buf, fp->pc);
-	printk(KERN_NOTICE " PC  : %s\n", buf);
+	verbose_printk(KERN_NOTICE " PC  : %s\n", buf);
 
 	if (((long)fp->seqstat &  SEQSTAT_EXCAUSE) &&
 	    (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) {
 		decode_address(buf, saved_dcplb_fault_addr);
-		printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf);
+		verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf);
 		decode_address(buf, saved_icplb_fault_addr);
-		printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf);
+		verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf);
 	}
 
-	printk(KERN_NOTICE "\n" KERN_NOTICE "PROCESSOR STATE:\n");
-	printk(KERN_NOTICE " R0 : %08lx    R1 : %08lx    R2 : %08lx    R3 : %08lx\n",
+	verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "PROCESSOR STATE:\n");
+	verbose_printk(KERN_NOTICE " R0 : %08lx    R1 : %08lx    R2 : %08lx    R3 : %08lx\n",
 		fp->r0, fp->r1, fp->r2, fp->r3);
-	printk(KERN_NOTICE " R4 : %08lx    R5 : %08lx    R6 : %08lx    R7 : %08lx\n",
+	verbose_printk(KERN_NOTICE " R4 : %08lx    R5 : %08lx    R6 : %08lx    R7 : %08lx\n",
 		fp->r4, fp->r5, fp->r6, fp->r7);
-	printk(KERN_NOTICE " P0 : %08lx    P1 : %08lx    P2 : %08lx    P3 : %08lx\n",
+	verbose_printk(KERN_NOTICE " P0 : %08lx    P1 : %08lx    P2 : %08lx    P3 : %08lx\n",
 		fp->p0, fp->p1, fp->p2, fp->p3);
-	printk(KERN_NOTICE " P4 : %08lx    P5 : %08lx    FP : %08lx    SP : %08lx\n",
+	verbose_printk(KERN_NOTICE " P4 : %08lx    P5 : %08lx    FP : %08lx    SP : %08lx\n",
 		fp->p4, fp->p5, fp->fp, (long)fp);
-	printk(KERN_NOTICE " LB0: %08lx    LT0: %08lx    LC0: %08lx\n",
+	verbose_printk(KERN_NOTICE " LB0: %08lx    LT0: %08lx    LC0: %08lx\n",
 		fp->lb0, fp->lt0, fp->lc0);
-	printk(KERN_NOTICE " LB1: %08lx    LT1: %08lx    LC1: %08lx\n",
+	verbose_printk(KERN_NOTICE " LB1: %08lx    LT1: %08lx    LC1: %08lx\n",
 		fp->lb1, fp->lt1, fp->lc1);
-	printk(KERN_NOTICE " B0 : %08lx    L0 : %08lx    M0 : %08lx    I0 : %08lx\n",
+	verbose_printk(KERN_NOTICE " B0 : %08lx    L0 : %08lx    M0 : %08lx    I0 : %08lx\n",
 		fp->b0, fp->l0, fp->m0, fp->i0);
-	printk(KERN_NOTICE " B1 : %08lx    L1 : %08lx    M1 : %08lx    I1 : %08lx\n",
+	verbose_printk(KERN_NOTICE " B1 : %08lx    L1 : %08lx    M1 : %08lx    I1 : %08lx\n",
 		fp->b1, fp->l1, fp->m1, fp->i1);
-	printk(KERN_NOTICE " B2 : %08lx    L2 : %08lx    M2 : %08lx    I2 : %08lx\n",
+	verbose_printk(KERN_NOTICE " B2 : %08lx    L2 : %08lx    M2 : %08lx    I2 : %08lx\n",
 		fp->b2, fp->l2, fp->m2, fp->i2);
-	printk(KERN_NOTICE " B3 : %08lx    L3 : %08lx    M3 : %08lx    I3 : %08lx\n",
+	verbose_printk(KERN_NOTICE " B3 : %08lx    L3 : %08lx    M3 : %08lx    I3 : %08lx\n",
 		fp->b3, fp->l3, fp->m3, fp->i3);
-	printk(KERN_NOTICE "A0.w: %08lx   A0.x: %08lx   A1.w: %08lx   A1.x: %08lx\n",
+	verbose_printk(KERN_NOTICE "A0.w: %08lx   A0.x: %08lx   A1.w: %08lx   A1.x: %08lx\n",
 		fp->a0w, fp->a0x, fp->a1w, fp->a1x);
 
-	printk(KERN_NOTICE "USP : %08lx  ASTAT: %08lx\n",
+	verbose_printk(KERN_NOTICE "USP : %08lx  ASTAT: %08lx\n",
 		rdusp(), fp->astat);
 
-	printk(KERN_NOTICE "\n");
+	verbose_printk(KERN_NOTICE "\n");
+#endif
 }
 
 #ifdef CONFIG_SYS_BFIN_SPINLOCK_L1