POWER_VDDIOCTRL_LINREG_OFFSET_1STEPS_BELOW);
}
+int mx28_get_batt_volt(void)
+{
+ struct mx28_power_regs *power_regs =
+ (struct mx28_power_regs *)MXS_POWER_BASE;
+ uint32_t volt = readl(&power_regs->hw_power_battmonitor);
+ volt &= POWER_BATTMONITOR_BATT_VAL_MASK;
+ volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET;
+ volt *= 8;
+ return volt;
+}
+
+int mx28_is_batt_ready(void)
+{
+ return (mx28_get_batt_volt() >= 3600);
+}
+
+int mx28_is_batt_good(void)
+{
+ struct mx28_power_regs *power_regs =
+ (struct mx28_power_regs *)MXS_POWER_BASE;
+ uint32_t volt = mx28_get_batt_volt();
+
+ if ((volt >= 2400) && (volt <= 4300))
+ return 1;
+
+ clrsetbits_le32(&power_regs->hw_power_5vctrl,
+ POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK,
+ 0x3 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET);
+ writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK,
+ &power_regs->hw_power_5vctrl_clr);
+
+ clrsetbits_le32(&power_regs->hw_power_charge,
+ POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK,
+ POWER_CHARGE_STOP_ILIMIT_10MA | 0x3);
+
+ writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_clr);
+ writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK,
+ &power_regs->hw_power_5vctrl_clr);
+
+ early_delay(500000);
+
+ volt = mx28_get_batt_volt();
+
+ if (volt >= 3500)
+ return 0;
+
+ if (volt >= 2400)
+ return 1;
+
+ writel(POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK,
+ &power_regs->hw_power_charge_clr);
+ writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_set);
+
+ return 0;
+}
+
void mx28_power_setup_5v_detect(void)
{
struct mx28_power_regs *power_regs =
}
}
-int mx28_get_batt_volt(void)
-{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
- uint32_t volt = readl(&power_regs->hw_power_battmonitor);
- volt &= POWER_BATTMONITOR_BATT_VAL_MASK;
- volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET;
- volt *= 8;
- return volt;
-}
-
-int mx28_is_batt_ready(void)
-{
- return (mx28_get_batt_volt() >= 3600);
-}
-
void mx28_5v_boot(void)
{
struct mx28_power_regs *power_regs =
POWER_VDDDCTRL_DISABLE_STEPPING);
}
-int mx28_is_batt_good(void)
-{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
- uint32_t volt;
-
- volt = readl(&power_regs->hw_power_battmonitor);
- volt &= POWER_BATTMONITOR_BATT_VAL_MASK;
- volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET;
- volt *= 8;
-
- if ((volt >= 2400) && (volt <= 4300))
- return 1;
-
- clrsetbits_le32(&power_regs->hw_power_5vctrl,
- POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK,
- 0x3 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET);
- writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK,
- &power_regs->hw_power_5vctrl_clr);
-
- clrsetbits_le32(&power_regs->hw_power_charge,
- POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK,
- POWER_CHARGE_STOP_ILIMIT_10MA | 0x3);
-
- writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_clr);
- writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK,
- &power_regs->hw_power_5vctrl_clr);
-
- early_delay(500000);
-
- volt = readl(&power_regs->hw_power_battmonitor);
- volt &= POWER_BATTMONITOR_BATT_VAL_MASK;
- volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET;
- volt *= 8;
-
- if (volt >= 3500)
- return 0;
-
- if (volt >= 2400)
- return 1;
-
- writel(POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK,
- &power_regs->hw_power_charge_clr);
- writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_set);
-
- return 0;
-}
-
void mx28_power_configure_power_source(void)
{
mx28_src_power_init();