2 files changed, 46 insertions, 0 deletions

diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c
index 7189675f6a29..c4248cbbd84a 100644
--- a/arch/mips/txx9/generic/setup_tx4927.c
+++ b/arch/mips/txx9/generic/setup_tx4927.c
@@ -14,8 +14,10 @@
 #include <linux/ioport.h>
 #include <linux/delay.h>
 #include <linux/param.h>
+#include <linux/ptrace.h>
 #include <linux/mtd/physmap.h>
 #include <asm/reboot.h>
+#include <asm/traps.h>
 #include <asm/txx9irq.h>
 #include <asm/txx9tmr.h>
 #include <asm/txx9pio.h>
@@ -60,6 +62,26 @@ static void tx4927_machine_restart(char *command)
         (*_machine_halt)();
 }
 
+void show_registers(struct pt_regs *regs);
+static int tx4927_be_handler(struct pt_regs *regs, int is_fixup)
+{
+        int data = regs->cp0_cause & 4;
+        console_verbose();
+        pr_err("%cBE exception at %#lx\n", data ? 'D' : 'I', regs->cp0_epc);
+        pr_err("ccfg:%llx, toea:%llx\n",
+               (unsigned long long)____raw_readq(&tx4927_ccfgptr->ccfg),
+               (unsigned long long)____raw_readq(&tx4927_ccfgptr->toea));
+#ifdef CONFIG_PCI
+        tx4927_report_pcic_status();
+#endif
+        show_registers(regs);
+        panic("BusError!");
+}
+static void __init tx4927_be_init(void)
+{
+        board_be_handler = tx4927_be_handler;
+}
+
 static struct resource tx4927_sdram_resource[4];
 
 void __init tx4927_setup(void)
@@ -197,6 +219,7 @@ void __init tx4927_setup(void)
         __raw_writel(0, &tx4927_pioptr->maskext);
 
         _machine_restart = tx4927_machine_restart;
+        board_be_init = tx4927_be_init;
 }
 
 void __init tx4927_time_init(unsigned int tmrnr)
diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c
index 4fbc85a8597f..0d8517ad3ad0 100644
--- a/arch/mips/txx9/generic/setup_tx4938.c
+++ b/arch/mips/txx9/generic/setup_tx4938.c
@@ -14,8 +14,10 @@
 #include <linux/ioport.h>
 #include <linux/delay.h>
 #include <linux/param.h>
+#include <linux/ptrace.h>
 #include <linux/mtd/physmap.h>
 #include <asm/reboot.h>
+#include <asm/traps.h>
 #include <asm/txx9irq.h>
 #include <asm/txx9tmr.h>
 #include <asm/txx9pio.h>
@@ -60,6 +62,26 @@ static void tx4938_machine_restart(char *command)
         (*_machine_halt)();
 }
 
+void show_registers(struct pt_regs *regs);
+static int tx4938_be_handler(struct pt_regs *regs, int is_fixup)
+{
+        int data = regs->cp0_cause & 4;
+        console_verbose();
+        pr_err("%cBE exception at %#lx\n", data ? 'D' : 'I', regs->cp0_epc);
+        pr_err("ccfg:%llx, toea:%llx\n",
+               (unsigned long long)____raw_readq(&tx4938_ccfgptr->ccfg),
+               (unsigned long long)____raw_readq(&tx4938_ccfgptr->toea));
+#ifdef CONFIG_PCI
+        tx4927_report_pcic_status();
+#endif
+        show_registers(regs);
+        panic("BusError!");
+}
+static void __init tx4938_be_init(void)
+{
+        board_be_handler = tx4938_be_handler;
+}
+
 static struct resource tx4938_sdram_resource[4];
 static struct resource tx4938_sram_resource;
 
@@ -257,6 +279,7 @@ void __init tx4938_setup(void)
         }
 
         _machine_restart = tx4938_machine_restart;
+        board_be_init = tx4938_be_init;
 }
 
 void __init tx4938_time_init(unsigned int tmrnr)