mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +00:00
14fa2dd00f
Config VMMC voltage to 3V for MMC/SD card slot and PBIAS settings needed for OMAP4 Fixes MMC/SD detection on boot from eMMC. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Aneesh V <aneesh@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
135 lines
3.8 KiB
C
135 lines
3.8 KiB
C
/*
|
|
* (C) Copyright 2010
|
|
* Texas Instruments, <www.ti.com>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <i2c.h>
|
|
|
|
/* I2C chip addresses */
|
|
#define TWL6030_CHIP_PM 0x48
|
|
|
|
#define TWL6030_CHIP_USB 0x49
|
|
#define TWL6030_CHIP_ADC 0x49
|
|
#define TWL6030_CHIP_CHARGER 0x49
|
|
#define TWL6030_CHIP_PWM 0x49
|
|
|
|
/* Slave Address 0x48 */
|
|
#define VMMC_CFG_STATE 0x9A
|
|
#define VMMC_CFG_VOLTATE 0x9B
|
|
#define VUSB_CFG_STATE 0xA2
|
|
|
|
#define MISC1 0xE4
|
|
#define VAC_MEAS (1 << 2)
|
|
#define VBAT_MEAS (1 << 1)
|
|
#define BB_MEAS (1 << 0)
|
|
|
|
#define MISC2 0xE5
|
|
|
|
/* Slave Address 0x49 */
|
|
|
|
/* Battery CHARGER REGISTERS */
|
|
#define CONTROLLER_INT_MASK 0xE0
|
|
#define CONTROLLER_CTRL1 0xE1
|
|
#define CONTROLLER_WDG 0xE2
|
|
#define CONTROLLER_STAT1 0xE3
|
|
#define CHARGERUSB_INT_STATUS 0xE4
|
|
#define CHARGERUSB_INT_MASK 0xE5
|
|
#define CHARGERUSB_STATUS_INT1 0xE6
|
|
#define CHARGERUSB_STATUS_INT2 0xE7
|
|
#define CHARGERUSB_CTRL1 0xE8
|
|
#define CHARGERUSB_CTRL2 0xE9
|
|
#define CHARGERUSB_CTRL3 0xEA
|
|
#define CHARGERUSB_STAT1 0xEB
|
|
#define CHARGERUSB_VOREG 0xEC
|
|
#define CHARGERUSB_VICHRG 0xED
|
|
#define CHARGERUSB_CINLIMIT 0xEE
|
|
#define CHARGERUSB_CTRLLIMIT1 0xEF
|
|
|
|
/* CHARGERUSB_VICHRG */
|
|
#define CHARGERUSB_VICHRG_500 0x4
|
|
#define CHARGERUSB_VICHRG_1500 0xE
|
|
/* CHARGERUSB_CINLIMIT */
|
|
#define CHARGERUSB_CIN_LIMIT_100 0x1
|
|
#define CHARGERUSB_CIN_LIMIT_300 0x5
|
|
#define CHARGERUSB_CIN_LIMIT_500 0x9
|
|
#define CHARGERUSB_CIN_LIMIT_NONE 0xF
|
|
/* CONTROLLER_INT_MASK */
|
|
#define MVAC_FAULT (1 << 6)
|
|
#define MAC_EOC (1 << 5)
|
|
#define MBAT_REMOVED (1 << 4)
|
|
#define MFAULT_WDG (1 << 3)
|
|
#define MBAT_TEMP (1 << 2)
|
|
#define MVBUS_DET (1 << 1)
|
|
#define MVAC_DET (1 << 0)
|
|
/* CHARGERUSB_INT_MASK */
|
|
#define MASK_MCURRENT_TERM (1 << 3)
|
|
#define MASK_MCHARGERUSB_STAT (1 << 2)
|
|
#define MASK_MCHARGERUSB_THMREG (1 << 1)
|
|
#define MASK_MCHARGERUSB_FAULT (1 << 0)
|
|
/* CHARGERUSB_VOREG */
|
|
#define CHARGERUSB_VOREG_3P52 0x01
|
|
#define CHARGERUSB_VOREG_4P0 0x19
|
|
#define CHARGERUSB_VOREG_4P2 0x23
|
|
#define CHARGERUSB_VOREG_4P76 0x3F
|
|
/* CHARGERUSB_CTRL1 */
|
|
#define SUSPEND_BOOT (1 << 7)
|
|
#define OPA_MODE (1 << 6)
|
|
#define HZ_MODE (1 << 5)
|
|
#define TERM (1 << 4)
|
|
/* CHARGERUSB_CTRL2 */
|
|
#define CHARGERUSB_CTRL2_VITERM_50 (0 << 5)
|
|
#define CHARGERUSB_CTRL2_VITERM_100 (1 << 5)
|
|
#define CHARGERUSB_CTRL2_VITERM_150 (2 << 5)
|
|
#define CHARGERUSB_CTRL2_VITERM_400 (7 << 5)
|
|
/* CONTROLLER_CTRL1 */
|
|
#define CONTROLLER_CTRL1_EN_CHARGER (1 << 4)
|
|
#define CONTROLLER_CTRL1_SEL_CHARGER (1 << 3)
|
|
/* CONTROLLER_STAT1 */
|
|
#define CHRG_EXTCHRG_STATZ (1 << 7)
|
|
#define CHRG_DET_N (1 << 5)
|
|
#define VAC_DET (1 << 3)
|
|
#define VBUS_DET (1 << 2)
|
|
|
|
#define FG_REG_10 0xCA
|
|
#define FG_REG_11 0xCB
|
|
|
|
#define TOGGLE1 0x90
|
|
#define FGS (1 << 5)
|
|
#define FGR (1 << 4)
|
|
#define GPADCS (1 << 1)
|
|
#define GPADCR (1 << 0)
|
|
|
|
#define CTRL_P2 0x34
|
|
#define CTRL_P2_SP2 (1 << 2)
|
|
#define CTRL_P2_EOCP2 (1 << 1)
|
|
#define CTRL_P2_BUSY (1 << 0)
|
|
|
|
#define GPCH0_LSB 0x57
|
|
#define GPCH0_MSB 0x58
|
|
|
|
void twl6030_init_battery_charging(void);
|
|
void twl6030_usb_device_settings(void);
|
|
void twl6030_start_usb_charging(void);
|
|
void twl6030_stop_usb_charging(void);
|
|
int twl6030_get_battery_voltage(void);
|
|
int twl6030_get_battery_current(void);
|
|
void twl6030_power_mmc_init(void);
|