ARM: tegra: replace the CPU power on function with PMC call
Using the CPU power on function in PMC driver to bring up secondary CPUs, because we are going to re-factor powergate driver to support generic power domain. It will be removed later and added the generic power domain support in PMC driver. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Родитель
c141753fc3
Коммит
7e56474456
|
@ -26,11 +26,10 @@
|
|||
#include <asm/smp_scu.h>
|
||||
#include <asm/smp_plat.h>
|
||||
|
||||
#include <mach/powergate.h>
|
||||
|
||||
#include "fuse.h"
|
||||
#include "flowctrl.h"
|
||||
#include "reset.h"
|
||||
#include "pmc.h"
|
||||
|
||||
#include "common.h"
|
||||
#include "iomap.h"
|
||||
|
@ -80,14 +79,10 @@ static int tegra20_boot_secondary(unsigned int cpu, struct task_struct *idle)
|
|||
|
||||
static int tegra30_boot_secondary(unsigned int cpu, struct task_struct *idle)
|
||||
{
|
||||
int ret, pwrgateid;
|
||||
int ret;
|
||||
unsigned long timeout;
|
||||
|
||||
cpu = cpu_logical_map(cpu);
|
||||
pwrgateid = tegra_cpu_powergate_id(cpu);
|
||||
if (pwrgateid < 0)
|
||||
return pwrgateid;
|
||||
|
||||
tegra_put_cpu_in_reset(cpu);
|
||||
flowctrl_write_cpu_halt(cpu, 0);
|
||||
|
||||
|
@ -108,7 +103,7 @@ static int tegra30_boot_secondary(unsigned int cpu, struct task_struct *idle)
|
|||
if (cpumask_test_cpu(cpu, &tegra_cpu_init_mask)) {
|
||||
timeout = jiffies + msecs_to_jiffies(50);
|
||||
do {
|
||||
if (tegra_powergate_is_powered(pwrgateid))
|
||||
if (tegra_pmc_cpu_is_powered(cpu))
|
||||
goto remove_clamps;
|
||||
udelay(10);
|
||||
} while (time_before(jiffies, timeout));
|
||||
|
@ -120,14 +115,14 @@ static int tegra30_boot_secondary(unsigned int cpu, struct task_struct *idle)
|
|||
* be un-gated by un-toggling the power gate register
|
||||
* manually.
|
||||
*/
|
||||
if (!tegra_powergate_is_powered(pwrgateid)) {
|
||||
ret = tegra_powergate_power_on(pwrgateid);
|
||||
if (!tegra_pmc_cpu_is_powered(cpu)) {
|
||||
ret = tegra_pmc_cpu_power_on(cpu);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
/* Wait for the power to come up. */
|
||||
timeout = jiffies + msecs_to_jiffies(100);
|
||||
while (tegra_powergate_is_powered(pwrgateid)) {
|
||||
while (tegra_pmc_cpu_is_powered(cpu)) {
|
||||
if (time_after(jiffies, timeout))
|
||||
return -ETIMEDOUT;
|
||||
udelay(10);
|
||||
|
@ -140,7 +135,7 @@ remove_clamps:
|
|||
udelay(10);
|
||||
|
||||
/* Remove I/O clamps. */
|
||||
ret = tegra_powergate_remove_clamping(pwrgateid);
|
||||
ret = tegra_pmc_cpu_remove_clamping(cpu);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
|
|
Загрузка…
Ссылка в новой задаче