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[POWERPC] PS3: Kexec support

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Fixup the core platform parts needed for kexec to work on the PS3.
 - Setup ps3_hpte_clear correctly.
 - Mask interrupts on irq removal.
 - Release all hypervisor resources.
 - Create new routine ps3_shutdown_IRQ()

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Geoff Levand
2007-06-16 07:19:32 +10:00
committed by Paul Mackerras
parent 83bb643d07
commit 9263e85aa9
5 changed files with 70 additions and 43 deletions
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29
arch/powerpc/platforms/ps3/setup.c
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@@ -209,31 +209,12 @@ static int __init ps3_probe(void)
#if defined(CONFIG_KEXEC)
static void ps3_kexec_cpu_down(int crash_shutdown, int secondary)
{
DBG(" -> %s:%d\n", __func__, __LINE__);
int cpu = smp_processor_id();
if (secondary) {
int cpu;
for_each_online_cpu(cpu)
if (cpu)
ps3_smp_cleanup_cpu(cpu);
} else
ps3_smp_cleanup_cpu(0);
DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
DBG(" <- %s:%d\n", __func__, __LINE__);
}
static void ps3_machine_kexec(struct kimage *image)
{
unsigned long ppe_id;
DBG(" -> %s:%d\n", __func__, __LINE__);
lv1_get_logical_ppe_id(&ppe_id);
lv1_configure_irq_state_bitmap(ppe_id, 0, 0);
ps3_mm_shutdown();
ps3_mm_vas_destroy();
default_machine_kexec(image);
ps3_smp_cleanup_cpu(cpu);
ps3_shutdown_IRQ(cpu);
DBG(" <- %s:%d\n", __func__, __LINE__);
}
@@ -255,7 +236,7 @@ define_machine(ps3) {
.power_off = ps3_power_off,
#if defined(CONFIG_KEXEC)
.kexec_cpu_down = ps3_kexec_cpu_down,
.machine_kexec = ps3_machine_kexec,
.machine_kexec = default_machine_kexec,
.machine_kexec_prepare = default_machine_kexec_prepare,
.machine_crash_shutdown = default_machine_crash_shutdown,
#endif