diff options
Diffstat (limited to 'arch/mips/txx9/generic/setup_tx4927.c')
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx4927.c | 23 |
1 files changed, 23 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) |