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powerpc/powernv: Hookup reboot and poweroff functions 

This calls the respective HAL functions, and spin on hal_poll_event()
to ensure the HAL has a chance to communicate with the FSP to trigger
the reboot or shutdown operation

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2011-09-19 18:28:03 +00:00
parent daea1175a9
commit ec27329ffb
1 changed files with 26 additions and 6 deletions
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32
arch/powerpc/platforms/powernv/setup.c
View File

@ -83,19 +83,39 @@ static void pnv_show_cpuinfo(struct seq_file *m)
of_node_put(root); of_node_put(root);
} }
static void pnv_restart(char *cmd) static void __noreturn pnv_restart(char *cmd)
{ {
for (;;); long rc = OPAL_BUSY;
while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
rc = opal_cec_reboot();
if (rc == OPAL_BUSY_EVENT)
opal_poll_events(NULL);
else
mdelay(10);
}
for (;;)
opal_poll_events(NULL);
} }
static void pnv_power_off(void) static void __noreturn pnv_power_off(void)
{ {
for (;;); long rc = OPAL_BUSY;
while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
rc = opal_cec_power_down(0);
if (rc == OPAL_BUSY_EVENT)
opal_poll_events(NULL);
else
mdelay(10);
}
for (;;)
opal_poll_events(NULL);
} }
static void pnv_halt(void) static void __noreturn pnv_halt(void)
{ {
for (;;); pnv_power_off();
} }
static unsigned long __init pnv_get_boot_time(void) static unsigned long __init pnv_get_boot_time(void)