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powerpc/fsl_rio: move machine_check handler

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Add support for machine_check support into machine_check_e500 and
machine_check_e500mc.

Signed-off-by: Shaohui Xie <b21989@freescale.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Roy Zang <tie-fei.zang@freescale.com>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Shaohui Xie
2010-11-18 14:57:32 +08:00
committed by Kumar Gala
parent d08e44570e
commit cce1f106c6
3 changed files with 21 additions and 12 deletions
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13
arch/powerpc/kernel/traps.c
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@@ -55,6 +55,7 @@
#endif
#include <asm/kexec.h>
#include <asm/ppc-opcode.h>
#include <asm/rio.h>
#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
int (*__debugger)(struct pt_regs *regs) __read_mostly;
@@ -424,6 +425,12 @@ int machine_check_e500mc(struct pt_regs *regs)
unsigned long reason = mcsr;
int recoverable = 1;
if (reason & MCSR_BUS_RBERR) {
recoverable = fsl_rio_mcheck_exception(regs);
if (recoverable == 1)
goto silent_out;
}
printk("Machine check in kernel mode.\n");
printk("Caused by (from MCSR=%lx): ", reason);
@@ -499,6 +506,7 @@ int machine_check_e500mc(struct pt_regs *regs)
reason & MCSR_MEA ? "Effective" : "Physical", addr);
}
silent_out:
mtspr(SPRN_MCSR, mcsr);
return mfspr(SPRN_MCSR) == 0 && recoverable;
}
@@ -507,6 +515,11 @@ int machine_check_e500(struct pt_regs *regs)
{
unsigned long reason = get_mc_reason(regs);
if (reason & MCSR_BUS_RBERR) {
if (fsl_rio_mcheck_exception(regs))
return 1;
}
printk("Machine check in kernel mode.\n");
printk("Caused by (from MCSR=%lx): ", reason);