static void scal_volt_func(struct work_struct *work)
{
int ret = 0;
ret = regulator_set_voltage(regulator, volt, volt);
if (ret) {
PM_ERR("regulator_set_voltage failed!\n");
PM_ERR("stop!\n");
return;
}
else
PM_DBG("regulator_set_voltage: %d(uV)\n",volt);
if (volt_direction == VOLT_DOWN) {
volt = volt - volt_step;
if(volt < stop_volt) {
PM_DBG("stop!\n");
return;
}
}
else if (volt_direction == VOLT_UP) {
volt = volt + volt_step;
if (volt > stop_volt) {
PM_DBG("stop!\n");
return;
}
}
queue_delayed_work(scal_volt_wq, &scal_volt_work, msecs_to_jiffies(timer_tick*1000));
}
void parse_dpm_list(struct list_head *head, unsigned int idx)
{
struct list_head *list;
struct soc_device *dev;
PM_DBG("(%p)", head);
list_for_each(list, head) {
dev = to_device(list, idx);
PM_DBG("-->%s(%p)", dev->name, dev);
}
ssize_t clk_rate_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
struct dvfs_node *clk_dvfs_node = NULL;
char cmd[20], clk_name[20], msg[50];
int rate;
printk("%s: %s\n", __func__, buf);
sscanf(buf, "%s %s %d", cmd, clk_name, &rate);
clk_dvfs_node = clk_get_dvfs_node(clk_name);
if (!clk_dvfs_node) {
PM_ERR("%s: clk(%s) get dvfs node error\n", __func__, clk_name);
return n;
}
if (0 == strncmp(cmd, "set", strlen("set"))) {
PM_DBG("Get command set %s %dHz\n", clk_name, rate);
if (file_read(FILE_GOV_MODE, msg) != 0) {
PM_ERR("read current governor error\n");
return n;
} else {
PM_DBG("current governor = %s\n", msg);
}
strcpy(msg, "userspace");
if (file_write(FILE_GOV_MODE, msg) != 0) {
PM_ERR("set current governor error\n");
return n;
}
dvfs_clk_enable_limit(clk_dvfs_node, rate, rate);
dvfs_clk_set_rate(clk_dvfs_node, rate);
} else if (0 == strncmp(cmd, "reset", strlen("reset"))) {
PM_DBG("Get command reset %s\n", clk_name);
if (file_read(FILE_GOV_MODE, msg) != 0) {
PM_ERR("read current governor error\n");
return n;
} else {
PM_DBG("current governor = %s\n", msg);
}
strcpy(msg, "interactive");
if (file_write(FILE_GOV_MODE, msg) != 0) {
PM_ERR("set current governor error\n");
return n;
}
dvfs_clk_disable_limit(clk_dvfs_node);
}
return n;
}
int aw_pm_begin(suspend_state_t state)
{
struct cpufreq_policy *policy;
PM_DBG("%d state begin:%d\n", state,debug_mask);
//set freq max
#ifdef CONFIG_CPU_FREQ_USR_EVNT_NOTIFY
//cpufreq_user_event_notify();
#endif
backup_max_freq = 0;
backup_min_freq = 0;
policy = cpufreq_cpu_get(0);
if (!policy)
{
PM_DBG("line:%d cpufreq_cpu_get failed!\n", __LINE__);
goto out;
}
backup_max_freq = policy->max;
backup_min_freq = policy->min;
policy->user_policy.max= suspend_freq;
policy->user_policy.min = suspend_freq;
cpufreq_cpu_put(policy);
cpufreq_update_policy(0);
/*must init perfcounter, because delay_us and delay_ms is depandant perf counter*/
#ifndef GET_CYCLE_CNT
backup_perfcounter();
init_perfcounters (1, 0);
#endif
if(unlikely(debug_mask&PM_STANDBY_PRINT_REG)){
printk("before dev suspend , line:%d\n", __LINE__);
show_reg(SW_VA_CCM_IO_BASE, (CCU_REG_LENGTH)*4, "ccu");
show_reg(SW_VA_PORTC_IO_BASE, GPIO_REG_LENGTH*4, "gpio");
show_reg(SW_VA_TIMERC_IO_BASE, TMR_REG_LENGTH*4, "timer");
show_reg(SW_VA_TWI0_IO_BASE, TWI0_REG_LENGTH*4, "twi0");
show_reg(SW_VA_SRAM_IO_BASE, SRAM_REG_LENGTH*4, "sram");
if (userdef_reg_addr != 0 && userdef_reg_size != 0)
{
show_reg(userdef_reg_addr, userdef_reg_size*4, "user defined");
}
}
return 0;
out:
return -1;
}
static void arm_mode_timer_handler(unsigned long data)
{
int i;
PM_DBG("enter %s\n", __func__);
if (cpu_usage_run == 0) {
PM_DBG("STOP\n");
return ;
}
arm_mode_timer.expires = jiffies + msecs_to_jiffies(ARM_MODE_TIMER_MSEC);
add_timer(&arm_mode_timer);
for(i = 0; i < cpu_usage_percent; i++) {
mdelay(1);
}
}
ssize_t cpu_usage_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
struct workqueue_struct *workqueue;
struct work_struct *work;
char cmd[20];
int usage = 0;
int cpu;
sscanf(buf, "%s %d", cmd, &usage);
if((!strncmp(cmd, "start", strlen("start")))) {
PM_DBG("get cmd start\n");
cpu_usage_run = 1;
cpu_usage_percent = (ARM_MODE_TIMER_MSEC * usage) / 100;
for_each_online_cpu(cpu){
work = &per_cpu(work_cpu_usage, cpu);
workqueue = per_cpu(workqueue_cpu_usage, cpu);
if (!work || !workqueue){
PM_ERR("work or workqueue NULL\n");
return n;
}
queue_work_on(cpu, workqueue, work);
}
#if 0
del_timer(&arm_mode_timer);
arm_mode_timer.expires = jiffies + msecs_to_jiffies(ARM_MODE_TIMER_MSEC);
add_timer(&arm_mode_timer);
#endif
} else if (!strncmp(cmd, "stop", strlen("stop"))) {
int aw_pm_begin(suspend_state_t state)
{
PM_DBG("%d state begin:%d\n", state,debug_mask);
//set freq max
#ifdef CONFIG_CPU_FREQ_USR_EVNT_NOTIFY
//cpufreq_user_event_notify();
#endif
/*must init perfcounter, because delay_us and delay_ms is depandant perf counter*/
#ifndef GET_CYCLE_CNT
backup_perfcounter();
init_perfcounters (1, 0);
#endif
if(unlikely(debug_mask&PM_STANDBY_PRINT_REG)){
printk("before dev suspend , line:%d\n", __LINE__);
show_reg(SW_VA_CCM_IO_BASE, (CCU_REG_LENGTH)*4, "ccu");
show_reg(SW_VA_PORTC_IO_BASE, GPIO_REG_LENGTH*4, "gpio");
show_reg(SW_VA_TIMERC_IO_BASE, TMR_REG_LENGTH*4, "timer");
show_reg(SW_VA_TWI0_IO_BASE, TWI0_REG_LENGTH*4, "twi0");
show_reg(SW_VA_SRAM_IO_BASE, SRAM_REG_LENGTH*4, "sram");
if (userdef_reg_addr != 0 && userdef_reg_size != 0)
{
show_reg(userdef_reg_addr, userdef_reg_size*4, "user defined");
}
}
return 0;
}
static int file_write(char *file_path, char *buf)
{
struct file *file = NULL;
mm_segment_t old_fs;
loff_t offset = 0;
PM_DBG("write %s %s size = %d\n", file_path, buf, strlen(buf));
file = filp_open(file_path, O_RDWR, 0);
if (IS_ERR(file)) {
PM_ERR("%s error open file %s\n", __func__, file_path);
return -1;
}
old_fs = get_fs();
set_fs(KERNEL_DS);
file->f_op->write(file, (char *)buf, strlen(buf), &offset);
set_fs(old_fs);
filp_close(file, NULL);
file = NULL;
return 0;
}
static int file_read(char *file_path, char *buf)
{
struct file *file = NULL;
mm_segment_t old_fs;
loff_t offset = 0;
PM_DBG("read %s\n", file_path);
file = filp_open(file_path, O_RDONLY, 0);
if (IS_ERR(file)) {
PM_ERR("%s error open file %s\n", __func__, file_path);
return -1;
}
old_fs = get_fs();
set_fs(KERNEL_DS);
file->f_op->read(file, (char *)buf, 32, &offset);
sscanf(buf, "%s", buf);
set_fs(old_fs);
filp_close(file, NULL);
file = NULL;
return 0;
}
/*
*********************************************************************************************************
* aw_pm_init
*
*Description: initial pm sub-system for platform;
*
*Arguments : none;
*
*Return : result;
*
*Notes :
*
*********************************************************************************************************
*/
static int __init aw_pm_init(void)
{
script_item_u item;
script_item_u *list = NULL;
int cpu0_en = 0;
int dram_selfresh_en = 0;
int wakeup_src_cnt = 0;
PM_DBG("aw_pm_init!\n");
if (fetch_dram_para(&standby_info.dram_para) != 0)
{
memset(&standby_info.dram_para, 0, sizeof(standby_info.dram_para));
pr_err("%s: fetch_dram_para err. \n", __func__);
}
memcpy(&mem_para_info.dram_para, &standby_info.dram_para, sizeof(standby_info.dram_para));
//get standby_mode.
if(SCIRPT_ITEM_VALUE_TYPE_INT != script_get_item("pm_para", "standby_mode", &item)){
pr_err("%s: script_parser_fetch err. \n", __func__);
standby_mode = 0;
//standby_mode = 1;
pr_err("notice: standby_mode = %d.\n", standby_mode);
}else{
standby_mode = item.val;
pr_info("standby_mode = %d. \n", standby_mode);
if(1 != standby_mode){
pr_err("%s: not support super standby. \n", __func__);
}
}
//get wakeup_src_para cpu_en
if(SCIRPT_ITEM_VALUE_TYPE_INT != script_get_item("wakeup_src_para", "cpu_en", &item)){
cpu0_en = 0;
}else{
cpu0_en = item.val;
}
pr_info("cpu0_en = %d.\n", cpu0_en);
//get dram_selfresh en
if(SCIRPT_ITEM_VALUE_TYPE_INT != script_get_item("wakeup_src_para", "dram_selfresh_en", &item)){
dram_selfresh_en = 1;
}else{
dram_selfresh_en = item.val;
}
pr_info("dram_selfresh_en = %d.\n", dram_selfresh_en);
if(0 == dram_selfresh_en && 0 == cpu0_en){
pr_err("Notice: if u don't want the dram enter selfresh mode,\n \
make sure the cpu0 is not allowed to be powered off.\n");
goto script_para_err;
}else{
ssize_t clk_rate_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
struct dvfs_node *clk_dvfs_node = NULL;
struct clk *clk;
char cmd[20], clk_name[20];
unsigned long rate=0;
int ret=0;
sscanf(buf, "%s %s %lu", cmd, clk_name, &rate);
PM_DBG("%s: cmd(%s), clk_name(%s), rate(%lu)\n", __func__, cmd, clk_name, rate);
if (!strncmp(cmd, "set", strlen("set"))) {
clk_dvfs_node = clk_get_dvfs_node(clk_name);
if (!clk_dvfs_node) {
PM_ERR("%s: clk(%s) get dvfs node error\n", __func__, clk_name);
return n;
}
if (!strncmp(clk_name, "clk_core", strlen("clk_core"))) {
if (file_write(FILE_GOV_MODE, "userspace") != 0) {
PM_ERR("%s: set current governor error\n", __func__);
return n;
}
}
ret = dvfs_clk_enable_limit(clk_dvfs_node, rate, rate);
} else {
clk = clk_get(NULL, clk_name);
if (IS_ERR_OR_NULL(clk)) {
PM_ERR("%s: get clk(%s) err(%ld)\n",
__func__, clk_name, PTR_ERR(clk));
return n;
}
if (!strncmp(cmd, "rawset", strlen("rawset"))) {
ret = clk_set_rate(clk, rate);
} else if (!strncmp(cmd, "open", strlen("open"))) {
ret = clk_prepare_enable(clk);
} else if (!strncmp(cmd, "close", strlen("close"))) {
clk_disable_unprepare(clk);
}
}
if (ret) {
PM_ERR("%s: set rate err(%d)", __func__, ret);
}
return n;
}
/*
*********************************************************************************************************
* aw_pm_end
*
*Description: Notify the platform that system is in work mode now.
*
*Arguments : none
*
*Return : none
*
*Notes : This function is called by the PM core right after resuming devices, to indicate to
* the platform that the system has returned to the working state or
* the transition to the sleep state has been aborted. This function is opposited to
* aw_pm_begin function.
*********************************************************************************************************
*/
void aw_pm_end(void)
{
struct cpufreq_policy *policy;
#ifndef GET_CYCLE_CNT
#ifndef IO_MEASURE
restore_perfcounter();
#endif
#endif
pm_disable_watchdog(dogMode);
if (backup_max_freq != 0 && backup_min_freq != 0)
{
policy = cpufreq_cpu_get(0);
if (!policy)
{
printk("cpufreq_cpu_get err! check it! aw_pm_end:%d\n", __LINE__);
return;
}
policy->user_policy.max = backup_max_freq;
policy->user_policy.min = backup_min_freq;
cpufreq_cpu_put(policy);
cpufreq_update_policy(0);
}
if(unlikely(debug_mask&PM_STANDBY_PRINT_REG)){
printk("after dev suspend, line:%d\n", __LINE__);
show_reg(SW_VA_CCM_IO_BASE, (CCU_REG_LENGTH)*4, "ccu");
show_reg(SW_VA_PORTC_IO_BASE, GPIO_REG_LENGTH*4, "gpio");
show_reg(SW_VA_TIMERC_IO_BASE, TMR_REG_LENGTH*4, "timer");
show_reg(SW_VA_TWI0_IO_BASE, TWI0_REG_LENGTH*4, "twi0");
show_reg(SW_VA_SRAM_IO_BASE, SRAM_REG_LENGTH*4, "sram");
if (userdef_reg_addr != 0 && userdef_reg_size != 0)
{
show_reg(userdef_reg_addr, userdef_reg_size*4, "user defined");
}
}
PM_DBG("aw_pm_end!\n");
}
/*
*********************************************************************************************************
* aw_pm_end
*
*Description: Notify the platform that system is in work mode now.
*
*Arguments : none
*
*Return : none
*
*Notes : This function is called by the PM core right after resuming devices, to indicate to
* the platform that the system has returned to the working state or
* the transition to the sleep state has been aborted. This function is opposited to
* aw_pm_begin function.
*********************************************************************************************************
*/
void aw_pm_end(void)
{
#ifndef GET_CYCLE_CNT
#ifndef IO_MEASURE
restore_perfcounter();
#endif
#endif
pm_disable_watchdog(0);
if(unlikely(debug_mask&PM_STANDBY_PRINT_REG)){
printk("after dev suspend, line:%d\n", __LINE__);
show_reg(SW_VA_CCM_IO_BASE, (CCU_REG_LENGTH)*4, "ccu");
show_reg(SW_VA_PORTC_IO_BASE, GPIO_REG_LENGTH*4, "gpio");
show_reg(SW_VA_TIMERC_IO_BASE, TMR_REG_LENGTH*4, "timer");
show_reg(SW_VA_TWI0_IO_BASE, TWI0_REG_LENGTH*4, "twi0");
show_reg(SW_VA_SRAM_IO_BASE, SRAM_REG_LENGTH*4, "sram");
if (userdef_reg_addr != 0 && userdef_reg_size != 0)
{
show_reg(userdef_reg_addr, userdef_reg_size*4, "user defined");
}
}
PM_DBG("aw_pm_end!\n");
}
/*
*********************************************************************************************************
* aw_pm_wake
*
*Description: platform wakeup;
*
*Arguments : none;
*
*Return : none;
*
*Notes : This function called when the system has just left a sleep state, right after
* the nonboot CPUs have been enabled and before device drivers' early resume
* callbacks are executed. This function is opposited to the aw_pm_prepare_late;
*********************************************************************************************************
*/
static void aw_pm_wake(void)
{
PM_DBG("platform wakeup, wakesource is:0x%x\n", standby_info.standby_para.event);
}
ssize_t clk_auto_volt_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
char cmd[10];
char volt_flag[10];
char regulator_name[20];
sscanf(buf, "%s %s %s %u %u %u %u", cmd, volt_flag, regulator_name, &begin_volt, &stop_volt, &volt_step, &timer_tick);
if (0 == strncmp(cmd, "start", strlen("start"))) {
if (0 == strncmp(volt_flag, "up", strlen("up"))) {
if (begin_volt >= stop_volt) {
PM_ERR("wrong! begin_volt >= stop_volt!\n");
return -EINVAL;
}
volt_direction = VOLT_UP;
} else if (0 == strncmp(volt_flag, "down", strlen("down"))) {
if (begin_volt <= stop_volt) {
PM_ERR("wrong! begin_volt <= stop_volt!\n");
return -EINVAL;
}
volt_direction = VOLT_DOWN;
} else {
PM_ERR("argument %s is invalid!\n",volt_flag);
return -EINVAL;
}
regulator = dvfs_get_regulator(regulator_name);
if (IS_ERR_OR_NULL(regulator)) {
PM_ERR("%s get dvfs_regulator %s error\n", __func__, regulator_name);
return -ENOMEM;
}
if (wq_is_run == 1) {
cancel_delayed_work(&scal_volt_work);
flush_workqueue(scal_volt_wq);
//destroy_workqueue(scal_volt_wq);
wq_is_run = 0;
}
PM_DBG("begin!\n");
volt = begin_volt;
scal_volt_wq = create_workqueue("scal volt wq");
INIT_DELAYED_WORK(&scal_volt_work, scal_volt_func);
queue_delayed_work(scal_volt_wq, &scal_volt_work, msecs_to_jiffies(timer_tick*1000));
wq_is_run = 1;
} else if (0 == strncmp(cmd, "stop", strlen("stop"))) {
if (wq_is_run == 1) {
cancel_delayed_work(&scal_volt_work);
flush_workqueue(scal_volt_wq);
//destroy_workqueue(scal_volt_wq);
wq_is_run = 0;
}
} else {
PM_ERR("argument %s is invalid!\n", cmd);
return -EINVAL;
}
return n;
}
static int aw_pm_valid(suspend_state_t state)
{
#ifdef CHECK_IC_VERSION
enum sw_ic_ver version = MAGIC_VER_NULL;
#endif
PM_DBG("valid\n");
console_suspend_enabled = 0;
if(!((state > PM_SUSPEND_ON) && (state < PM_SUSPEND_MAX))){
PM_DBG("state (%d) invalid!\n", state);
return 0;
}
#ifdef CHECK_IC_VERSION
if(1 == standby_mode){
version = sw_get_ic_ver();
if(!(MAGIC_VER_A13B == version || MAGIC_VER_A12B == version || MAGIC_VER_A10SB == version)){
pr_info("ic version: %d not support super standby. \n", version);
standby_mode = 0;
}
}
#endif
//if 1 == standby_mode, actually, mean mem corresponding with super standby
if(PM_SUSPEND_STANDBY == state){
if(1 == standby_mode){
standby_type = NORMAL_STANDBY;
}else{
standby_type = SUPER_STANDBY;
}
printk("standby_mode:%d, standby_type:%d, line:%d\n",standby_mode, standby_type, __LINE__);
}else if(PM_SUSPEND_MEM == state || PM_SUSPEND_BOOTFAST == state){
if(1 == standby_mode){
standby_type = SUPER_STANDBY;
}else{
standby_type = NORMAL_STANDBY;
}
printk("standby_mode:%d, standby_type:%d, line:%d\n",standby_mode, standby_type, __LINE__);
}
//allocat space for backup dram data
if(SUPER_STANDBY == standby_type){
if((DRAM_BACKUP_SIZE) < ((int)&resume0_bin_end - (int)&resume0_bin_start) ){
//judge the reserved space for resume0 is enough or not.
pr_info("Notice: reserved space(%d) for resume is not enough(%d). \n", DRAM_BACKUP_SIZE,((int)&resume0_bin_end - (int)&resume0_bin_start));
return 0;
}
memcpy((void *)DRAM_BACKUP_BASE_ADDR, (void *)&resume0_bin_start, (int)&resume0_bin_end - (int)&resume0_bin_start);
dmac_flush_range((void *)DRAM_BACKUP_BASE_ADDR, (void *)(DRAM_BACKUP_BASE_ADDR + DRAM_BACKUP_SIZE -1) );
}
#ifdef GET_CYCLE_CNT
// init counters:
init_perfcounters (1, 0);
#endif
return 1;
}
/*
*********************************************************************************************************
* aw_pm_recover
*
*Description: Recover platform from a suspend failure;
*
*Arguments : none
*
*Return : none
*
*Notes : This function alled by the PM core if the suspending of devices fails.
* This callback is optional and should only be implemented by platforms
* which require special recovery actions in that situation.
*********************************************************************************************************
*/
void aw_pm_recover(void)
{
PM_DBG("aw_pm_recover\n");
}
/*
*********************************************************************************************************
* aw_pm_finish
*
*Description: Finish wake-up of the platform;
*
*Arguments : none
*
*Return : none
*
*Notes : This function is called right prior to calling device drivers' regular suspend
* callbacks. This function is opposited to the aw_pm_prepare function.
*********************************************************************************************************
*/
void aw_pm_finish(void)
{
PM_DBG("platform wakeup finish\n");
}
/*
*********************************************************************************************************
* aw_pm_enter
*
*Description: Enter the system sleep state;
*
*Arguments : state system sleep state;
*
*Return : return 0 is process successed;
*
*Notes : this function is the core function for platform sleep.
*********************************************************************************************************
*/
static int aw_pm_enter(suspend_state_t state)
{
// asm volatile ("stmfd sp!, {r1-r12, lr}" );
normal_standby_func standby;
PM_DBG("enter state %d\n", state);
if(unlikely(debug_mask&PM_STANDBY_PRINT_REG)){
printk("after cpu suspend , line:%d\n", __LINE__);
show_reg(SW_VA_CCM_IO_BASE, (CCU_REG_LENGTH)*4, "ccu");
show_reg(SW_VA_PORTC_IO_BASE, GPIO_REG_LENGTH*4, "gpio");
show_reg(SW_VA_TIMERC_IO_BASE, TMR_REG_LENGTH*4, "timer");
show_reg(SW_VA_TWI0_IO_BASE, TWI0_REG_LENGTH*4, "twi0");
show_reg(SW_VA_SRAM_IO_BASE, SRAM_REG_LENGTH*4, "sram");
if (userdef_reg_addr != 0 && userdef_reg_size != 0)
{
show_reg(userdef_reg_addr, userdef_reg_size*4, "user defined");
}
}
standby_info.standby_para.axp_enable = standby_axp_enable;
if(NORMAL_STANDBY== standby_type){
standby = (int (*)(struct aw_pm_info *arg))SRAM_FUNC_START;
//move standby code to sram
memcpy((void *)SRAM_FUNC_START, (void *)&standby_bin_start, (int)&standby_bin_end - (int)&standby_bin_start);
/* config system wakeup evetn type */
if(PM_SUSPEND_MEM == state || PM_SUSPEND_STANDBY == state){
standby_info.standby_para.axp_src = AXP_MEM_WAKEUP;
}else if(PM_SUSPEND_BOOTFAST == state){
standby_info.standby_para.axp_src = AXP_BOOTFAST_WAKEUP;
}
standby_info.standby_para.event_enable = (SUSPEND_WAKEUP_SRC_EXINT | SUSPEND_WAKEUP_SRC_ALARM);
if (standby_timeout != 0)
{
standby_info.standby_para.event_enable |= (SUSPEND_WAKEUP_SRC_TIMEOFF);
standby_info.standby_para.time_off = standby_timeout;
}
/* goto sram and run */
printk("standby_mode:%d, standby_type:%d, line:%d\n",standby_mode, standby_type, __LINE__);
standby(&standby_info);
printk("standby_mode:%d, standby_type:%d, line:%d\n",standby_mode, standby_type, __LINE__);
}else if(SUPER_STANDBY == standby_type){
printk("standby_mode:%d, standby_type:%d, line:%d\n",standby_mode, standby_type, __LINE__);
print_call_info();
aw_super_standby(state);
}
pm_enable_watchdog();
print_call_info();
if(unlikely(debug_mask&PM_STANDBY_PRINT_REG)){
printk("after cpu suspend , line:%d\n", __LINE__);
show_reg(SW_VA_CCM_IO_BASE, (CCU_REG_LENGTH)*4, "ccu");
show_reg(SW_VA_PORTC_IO_BASE, GPIO_REG_LENGTH*4, "gpio");
show_reg(SW_VA_TIMERC_IO_BASE, TMR_REG_LENGTH*4, "timer");
show_reg(SW_VA_TWI0_IO_BASE, TWI0_REG_LENGTH*4, "twi0");
show_reg(SW_VA_SRAM_IO_BASE, SRAM_REG_LENGTH*4, "sram");
if (userdef_reg_addr != 0 && userdef_reg_size != 0)
{
show_reg(userdef_reg_addr, userdef_reg_size*4, "user defined");
}
}
// asm volatile ("ldmfd sp!, {r1-r12, lr}" );
return 0;
}
/*
*********************************************************************************************************
* aw_pm_prepare_late
*
*Description: Finish preparing the platform for entering the system sleep state.
*
*Arguments : none;
*
*Return : return 0 for process successed, and negative code for error;
*
*Notes : this is a call-back function, registered into PM core.
* prepare_late is called before disabling nonboot CPUs and after
* device drivers' late suspend callbacks have been executed;
*********************************************************************************************************
*/
int aw_pm_prepare_late(void)
{
PM_DBG("prepare_late\n");
return 0;
}