int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret;
/*
* We need to tell the secondary core where to find its stack and the
* page tables.
*/
secondary_data.stack = task_stack_page(idle) + THREAD_START_SP;
__flush_dcache_area(&secondary_data, sizeof(secondary_data));
/*
* Now bring the CPU into our world.
*/
ret = boot_secondary(cpu, idle);
if (ret == 0) {
/*
* CPU was successfully started, wait for it to come online or
* time out.
*/
wait_for_completion_timeout(&cpu_running,
msecs_to_jiffies(1000));
if (!cpu_online(cpu)) {
pr_crit("CPU%u: failed to come online\n", cpu);
ret = -EIO;
}
} else {
pr_err("CPU%u: failed to boot: %d\n", cpu, ret);
}
secondary_data.stack = NULL;
return ret;
}
int __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret = 0;
if (cpu_asid_cache(cpu) == 0)
cpu_asid_cache(cpu) = ASID_USER_FIRST;
start_info.stack = (unsigned long)task_pt_regs(idle);
wmb();
pr_debug("%s: Calling wakeup_secondary(cpu:%d, idle:%p, sp: %08lx)\n",
__func__, cpu, idle, start_info.stack);
init_completion(&cpu_running);
ret = boot_secondary(cpu, idle);
if (ret == 0) {
wait_for_completion_timeout(&cpu_running,
msecs_to_jiffies(1000));
if (!cpu_online(cpu))
ret = -EIO;
}
if (ret)
pr_err("CPU %u failed to boot\n", cpu);
return ret;
}
int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret,res;
int i;
struct wd_api * wd_api = NULL;
/*
* We need to tell the secondary core where to find its stack and the
* page tables.
*/
secondary_data.stack = task_stack_page(idle) + THREAD_START_SP;
__flush_dcache_area(&secondary_data, sizeof(secondary_data));
/*
* Now bring the CPU into our world.
*/
ret = boot_secondary(cpu, idle);
if (ret == 0) {
/*
* CPU was successfully started, wait for it to come online or
* time out.
*/
wait_for_completion_timeout(&cpu_running,
msecs_to_jiffies(1000));
if (!cpu_online(cpu)) {
pr_crit("CPU%u: failed to come online\n", cpu);
#if 1
pr_crit("Trigger WDT RESET\n");
res = get_wd_api(&wd_api);
if(res)
{
pr_crit("get wd api error !!\n");
}else {
wd_api -> wd_sw_reset(3); //=> this action will ask system to reboot
}
#endif
ret = -EIO;
}
} else {
pr_err("CPU%u: failed to boot: %d\n", cpu, ret);
}
secondary_data.stack = NULL;
return ret;
}
int __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret;
secondary_thread_info = task_thread_info(idle);
current_pgd[cpu] = init_mm.pgd;
ret = boot_secondary(cpu, idle);
if (ret == 0) {
wait_for_completion_timeout(&cpu_running,
msecs_to_jiffies(1000));
if (!cpu_online(cpu))
ret = -EIO;
}
return ret;
}
int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret,res;
int i;
struct wd_api * wd_api = NULL;
/*
* We need to tell the secondary core where to find its stack and the
* page tables.
*/
secondary_data.stack = task_stack_page(idle) + THREAD_START_SP;
__flush_dcache_area(&secondary_data, sizeof(secondary_data));
/*
* Now bring the CPU into our world.
*/
ret = boot_secondary(cpu, idle);
if (ret == 0) {
/*
* CPU was successfully started, wait for it to come online or
* time out.
*/
wait_for_completion_timeout(&cpu_running,
msecs_to_jiffies(1000));
if (!cpu_online(cpu)) {
#if 0
for(i=0x0;i<=4;i++)
{
REG_WRITE(0x10200404 ,((REG_READ(0x10200404 )&0xffffff00)|i));
pr_crit("Cluster0: Set 8'h%x : 0x%x\n",i,REG_READ(0x10200408));
}
for(i=0x05;i<=0x15;i++)
{
REG_WRITE(0x10200404 ,((REG_READ(0x10200404 )&0xffffff00)|i));
pr_crit("Cluster0: Set 8'h%x : 0x%x\n",i,REG_READ(0x10200408));
}
for(i=0x20;i<=0x45;i++)
{
REG_WRITE(0x10200404 ,((REG_READ(0x10200404 )&0xffffff00)|i));
pr_crit("Cluster0: Set 8'h%x : 0x%x\n",i,REG_READ(0x10200408));
}
for(i=0x0;i<=4;i++)
{
REG_WRITE(0x10200504 ,((REG_READ(0x10200504 )&0xffffff00)|i));
pr_crit("Cluster0: Set 8'h%x : 0x%x\n",i,REG_READ(0x10200508 ));
}
for(i=0x05;i<=0x15;i++)
{
REG_WRITE(0x10200504 ,((REG_READ(0x10200504 )&0xffffff00)|i));
pr_crit("Cluster0: Set 8'h%x : 0x%x\n",i,REG_READ(0x10200508 ));
}
for(i=0x20;i<=0x45;i++)
{
REG_WRITE(0x10200504 ,((REG_READ(0x10200504 )&0xffffff00)|i));
pr_crit("Cluster0: Set 8'h%x : 0x%x\n",i,REG_READ(0x10200508 ));
}
pr_crit("MPx_AXI_CONFIG: REG 0x1020002c : 0x%x\n", REG_READ(0x1020002c));
pr_crit("MPx_AXI_CONFIG: REG 0x1020022c : 0x%x\n", REG_READ(0x1020022c));
pr_crit("ACLKEN_DIV: REG 0x10200640 : 0x%x\n", REG_READ(0x10200640));
pr_crit("CCI: REG 0x10394000 : 0x%x\n", REG_READ(0x10394000));
pr_crit("CCI: REG 0x10395000 : 0x%x\n", REG_READ(0x10395000));
#endif
pr_crit("CPU%u: failed to come online\n", cpu);
#if 1
pr_crit("Trigger WDT RESET\n");
res = get_wd_api(&wd_api);
if(res)
{
pr_crit("get wd api error !!\n");
}else {
wd_api -> wd_sw_reset(3); //=> this action will ask system to reboot
}
#endif
#if 0
pr_crit("Trigger PMIC full reset.\n");
if(check_pmic_wrap_init())
{
mt_pwrap_hal_init();
}
pmic_full_reset();
#endif
ret = -EIO;
}
} else {
pr_err("CPU%u: failed to boot: %d\n", cpu, ret);
}
secondary_data.stack = NULL;
return ret;
}
int __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret;
long status;
/*
* We need to tell the secondary core where to find its stack and the
* page tables.
*/
secondary_data.stack = task_stack_page(idle) + THREAD_START_SP;
update_cpu_boot_status(CPU_MMU_OFF);
__flush_dcache_area(&secondary_data, sizeof(secondary_data));
/*
* Now bring the CPU into our world.
*/
ret = boot_secondary(cpu, idle);
if (ret == 0) {
/*
* CPU was successfully started, wait for it to come online or
* time out.
*/
wait_for_completion_timeout(&cpu_running,
msecs_to_jiffies(1000));
if (!cpu_online(cpu)) {
pr_crit("CPU%u: failed to come online\n", cpu);
ret = -EIO;
}
} else {
pr_err("CPU%u: failed to boot: %d\n", cpu, ret);
}
secondary_data.stack = NULL;
status = READ_ONCE(secondary_data.status);
if (ret && status) {
if (status == CPU_MMU_OFF)
status = READ_ONCE(__early_cpu_boot_status);
switch (status) {
default:
pr_err("CPU%u: failed in unknown state : 0x%lx\n",
cpu, status);
break;
case CPU_KILL_ME:
if (!op_cpu_kill(cpu)) {
pr_crit("CPU%u: died during early boot\n", cpu);
break;
}
/* Fall through */
pr_crit("CPU%u: may not have shut down cleanly\n", cpu);
case CPU_STUCK_IN_KERNEL:
pr_crit("CPU%u: is stuck in kernel\n", cpu);
cpus_stuck_in_kernel++;
break;
case CPU_PANIC_KERNEL:
panic("CPU%u detected unsupported configuration\n", cpu);
}
}
return ret;
}
