arch/arm/cpu/arm926ejs/sc8800g/check_reboot.c

   1 #include <asm/arch/sci_types.h>
   2 #include <asm/arch/sc_reg.h>
   3 #include <asm/arch/adi_hal_internal.h>
   4 #include <boot_mode.h>
   5 #include <asm/arch/gpio.h>
   6 #include <asm/arch/asm_generic_gpio.h>
   7 #include <asm/arch/gpio_phy.h>
   8 #include <asm/arch/rtc_reg_v3.h>
   9 #include <asm/arch/mfp.h>
  10
  11 unsigned check_reboot_mode(void)
  12 {
  13         unsigned rst_mode= 0;
  14
  15         rst_mode = ANA_REG_GET(ANA_HWRST_STATUS);
  16         rst_mode &= HWRST_STATUS_POWERON_MASK;
  17         ANA_REG_SET(ANA_HWRST_STATUS, 0); //clear flag
  18         if(rst_mode == HWRST_STATUS_RECOVERY)
  19                 return RECOVERY_MODE;
  20         else if(rst_mode == HWRST_STATUS_FASTBOOT)
  21                 return FASTBOOT_MODE;
  22         else if(rst_mode == HWRST_STATUS_NORMAL)
  23                 return NORMAL_MODE;
  24         else if(rst_mode == HWRST_STATUS_ALARM)
  25                 return ALARM_MODE;
  26         else if(rst_mode == HWRST_STATUS_SLEEP)
  27                 return SLEEP_MODE;
  28         else
  29                 return 0;
  30 }
  31
  32 void reboot_devices(unsigned reboot_mode)
  33 {
  34         unsigned rst_mode = 0;
  35         if(reboot_mode == RECOVERY_MODE){
  36                 rst_mode = HWRST_STATUS_RECOVERY;
  37         }
  38         else if(reboot_mode == FASTBOOT_MODE){
  39                 rst_mode = HWRST_STATUS_FASTBOOT;
  40         }else if(reboot_mode == NORMAL_MODE){
  41                 rst_mode = HWRST_STATUS_NORMAL;
  42         }else{
  43                 rst_mode = 0;
  44         }
  45
  46         ANA_REG_SET(ANA_HWRST_STATUS, rst_mode);
  47         reset_cpu(0);
  48 #if 0
  49         asm volatile("ldr r1,=0x20900218"); //remap ROM to 0x0000_0000
  50         asm volatile("ldr r2,=1");
  51         asm volatile("str r2,[r1]");
  52         asm volatile("mov pc,#0");
  53 #endif
  54 }
  55 void power_down_devices(unsigned pd_cmd)
  56 {
  57     power_down_cpu(0);
  58 }
  59
  60 int power_button_pressed(void)
  61 {
  62         return sprd_gpio_get(NULL, POWER_BUTTON_GPIO_NUM);
  63 }
  64
  65 int charger_connected(void)
  66 {
  67         return sprd_gpio_get(NULL, CHG_GPIO_NUM);
  68 }
  69
  70 int alarm_triggered(void)
  71 {
  72         //printf("ANA_RTC_INT_RSTS is 0x%x\n", ANA_RTC_INT_RSTS);
  73         //printf("value of it 0x%x\n", ANA_REG_GET(ANA_RTC_INT_RSTS));
  74         return ANA_REG_GET(ANA_RTC_INT_RSTS) & BIT_4;
  75 }
  76