Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 235 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/drivers/power/twl6030.c b/qemu/roms/u-boot/drivers/power/twl6030.c
new file mode 100644
index 000000000..a1c6663a2
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/power/twl6030.c
@@ -0,0 +1,235 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <config.h>
+#ifdef CONFIG_TWL6030_POWER
+
+#include <twl6030.h>
+
+static struct twl6030_data *twl;
+
+static struct twl6030_data twl6030_info = {
+	.chip_type	= chip_TWL6030,
+	.adc_rbase	= GPCH0_LSB,
+	.adc_ctrl	= CTRL_P2,
+	.adc_enable	= CTRL_P2_SP2,
+	.vbat_mult	= TWL6030_VBAT_MULT,
+	.vbat_shift	= TWL6030_VBAT_SHIFT,
+};
+
+static struct twl6030_data twl6032_info = {
+	.chip_type	= chip_TWL6032,
+	.adc_rbase	= TWL6032_GPCH0_LSB,
+	.adc_ctrl	= TWL6032_CTRL_P1,
+	.adc_enable	= CTRL_P1_SP1,
+	.vbat_mult	= TWL6032_VBAT_MULT,
+	.vbat_shift	= TWL6032_VBAT_SHIFT,
+};
+
+static int twl6030_gpadc_read_channel(u8 channel_no)
+{
+	u8 lsb = 0;
+	u8 msb = 0;
+	int ret = 0;
+
+	ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
+				  twl->adc_rbase + channel_no * 2, &lsb);
+	if (ret)
+		return ret;
+
+	ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
+				  twl->adc_rbase + 1 + channel_no * 2, &msb);
+	if (ret)
+		return ret;
+
+	return (msb << 8) | lsb;
+}
+
+static int twl6030_gpadc_sw2_trigger(void)
+{
+	u8 val;
+	int ret = 0;
+
+	ret = twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
+				   twl->adc_ctrl, twl->adc_enable);
+	if (ret)
+		return ret;
+
+	/* Waiting until the SW1 conversion ends*/
+	val =  CTRL_P2_BUSY;
+
+	while (!((val & CTRL_P2_EOCP2) && (!(val & CTRL_P2_BUSY)))) {
+		ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
+					  twl->adc_ctrl, &val);
+		if (ret)
+			return ret;
+		udelay(1000);
+	}
+
+	return 0;
+}
+
+void twl6030_stop_usb_charging(void)
+{
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CONTROLLER_CTRL1, 0);
+
+	return;
+}
+
+void twl6030_start_usb_charging(void)
+{
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
+			     CHARGERUSB_VICHRG, CHARGERUSB_VICHRG_1500);
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
+			     CHARGERUSB_CINLIMIT, CHARGERUSB_CIN_LIMIT_NONE);
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
+			     CONTROLLER_INT_MASK, MBAT_TEMP);
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
+			     CHARGERUSB_INT_MASK, MASK_MCHARGERUSB_THMREG);
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
+			     CHARGERUSB_VOREG, CHARGERUSB_VOREG_4P0);
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
+			     CHARGERUSB_CTRL2, CHARGERUSB_CTRL2_VITERM_400);
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CHARGERUSB_CTRL1, TERM);
+	/* Enable USB charging */
+	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
+			     CONTROLLER_CTRL1, CONTROLLER_CTRL1_EN_CHARGER);
+	return;
+}
+
+int twl6030_get_battery_current(void)
+{
+	int battery_current = 0;
+	u8 msb = 0;
+	u8 lsb = 0;
+
+	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, FG_REG_11, &msb);
+	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, FG_REG_10, &lsb);
+	battery_current = ((msb << 8) | lsb);
+
+	/* convert 10 bit signed number to 16 bit signed number */
+	if (battery_current >= 0x2000)
+		battery_current = (battery_current - 0x4000);
+
+	battery_current = battery_current * 3000 / 4096;
+	printf("Battery Current: %d mA\n", battery_current);
+
+	return battery_current;
+}
+
+int twl6030_get_battery_voltage(void)
+{
+	int battery_volt = 0;
+	int ret = 0;
+	u8 vbatch;
+
+	if (twl->chip_type == chip_TWL6030) {
+		vbatch = TWL6030_GPADC_VBAT_CHNL;
+	} else {
+		ret = twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
+					   TWL6032_GPSELECT_ISB,
+					   TWL6032_GPADC_VBAT_CHNL);
+		if (ret)
+			return ret;
+		vbatch = 0;
+	}
+
+	/* Start GPADC SW conversion */
+	ret = twl6030_gpadc_sw2_trigger();
+	if (ret) {
+		printf("Failed to convert battery voltage\n");
+		return ret;
+	}
+
+	/* measure Vbat voltage */
+	battery_volt = twl6030_gpadc_read_channel(vbatch);
+	if (battery_volt < 0) {
+		printf("Failed to read battery voltage\n");
+		return ret;
+	}
+	battery_volt = (battery_volt * twl->vbat_mult) >> twl->vbat_shift;
+	printf("Battery Voltage: %d mV\n", battery_volt);
+
+	return battery_volt;
+}
+
+void twl6030_init_battery_charging(void)
+{
+	u8 val = 0;
+	int battery_volt = 0;
+	int ret = 0;
+
+	ret = twl6030_i2c_read_u8(TWL6030_CHIP_USB, USB_PRODUCT_ID_LSB, &val);
+	if (ret) {
+		puts("twl6030_init_battery_charging(): could not determine chip!\n");
+		return;
+	}
+	if (val == 0x30) {
+		twl = &twl6030_info;
+	} else if (val == 0x32) {
+		twl = &twl6032_info;
+	} else {
+		puts("twl6030_init_battery_charging(): unsupported chip type\n");
+		return;
+	}
+
+	/* Enable VBAT measurement */
+	if (twl->chip_type == chip_TWL6030) {
+		twl6030_i2c_write_u8(TWL6030_CHIP_PM, MISC1, VBAT_MEAS);
+		twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
+				     TWL6030_GPADC_CTRL,
+				     GPADC_CTRL_SCALER_DIV4);
+	} else {
+		twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
+				     TWL6032_GPADC_CTRL2,
+				     GPADC_CTRL2_CH18_SCALER_EN);
+	}
+
+	/* Enable GPADC module */
+	ret = twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, TOGGLE1, FGS | GPADCS);
+	if (ret) {
+		printf("Failed to enable GPADC\n");
+		return;
+	}
+
+	battery_volt = twl6030_get_battery_voltage();
+	if (battery_volt < 0)
+		return;
+
+	if (battery_volt < 3000)
+		printf("Main battery voltage too low!\n");
+
+	/* Check for the presence of USB charger */
+	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, CONTROLLER_STAT1, &val);
+
+	/* check for battery presence indirectly via Fuel gauge */
+	if ((val & VBUS_DET) && (battery_volt < 3300))
+		twl6030_start_usb_charging();
+
+	return;
+}
+
+void twl6030_power_mmc_init()
+{
+	/* set voltage to 3.0 and turnon for APP */
+	twl6030_i2c_write_u8(TWL6030_CHIP_PM, VMMC_CFG_VOLTATE, 0x15);
+	twl6030_i2c_write_u8(TWL6030_CHIP_PM, VMMC_CFG_STATE, 0x21);
+}
+
+void twl6030_usb_device_settings()
+{
+	u8 data = 0;
+
+	/* Select APP Group and set state to ON */
+	twl6030_i2c_write_u8(TWL6030_CHIP_PM, VUSB_CFG_STATE, 0x21);
+
+	twl6030_i2c_read_u8(TWL6030_CHIP_PM, MISC2, &data);
+	data |= 0x10;
+
+	/* Select the input supply for VBUS regulator */
+	twl6030_i2c_write_u8(TWL6030_CHIP_PM, MISC2, data);
+}
+#endif