[RFC] powerpc: enable kexec support on mpc8544ds
Sebastian Andrzej Siewior
sebastian at breakpoint.cc
Thu Oct 2 07:20:23 EST 2008
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
---
arch/powerpc/Kconfig | 2 +-
arch/powerpc/platforms/85xx/mpc85xx_ds.c | 6 ++++++
2 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 587da5e..c2c6a20 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -304,7 +304,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
- depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL
+ depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM || MPC85xx_DS) && EXPERIMENTAL
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 3d5f21b..d50d383 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -30,6 +30,7 @@
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <asm/i8259.h>
+#include <linux/kexec.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
@@ -227,6 +228,11 @@ define_machine(mpc8544_ds) {
.restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
+#ifdef CONFIG_KEXEC
+ .machine_kexec = default_machine_kexec,
+ .machine_kexec_prepare = booke_machine_kexec_prepare,
+ .machine_crash_shutdown = default_machine_crash_shutdown,
+#endif
};
define_machine(mpc8572_ds) {
--
1.5.6.5
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