/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2011 by Amaury Pouly * * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #ifndef __POWER_IMX233__ #define __POWER_IMX233__ #include "system.h" #include "system-target.h" #include "cpu.h" #define HW_POWER_BASE 0x80044000 #define HW_POWER_CTRL (*(volatile uint32_t *)(HW_POWER_BASE + 0x0)) #define HW_POWER_CTRL__ENIRQ_VBUS_VALID (1 << 3) #define HW_POWER_CTRL__VBUSVALID_IRQ (1 << 4) #define HW_POWER_CTRL__POLARITY_VBUSVALID (1 << 5) #define HW_POWER_CTRL__ENIRQ_DC_OK (1 << 14) #define HW_POWER_CTRL__DC_OK_IRQ (1 << 15) #define HW_POWER_5VCTRL (*(volatile uint32_t *)(HW_POWER_BASE + 0x10)) #define HW_POWER_5VCTRL__ENABLE_DCDC (1 << 0) #define HW_POWER_5VCTRL__PWRUP_VBUS_CMPS (1 << 1) #define HW_POWER_5VCTRL__VBUSVALID_5VDETECT (1 << 4) #define HW_POWER_5VCTRL__DCDC_XFER (1 << 5) #define HW_POWER_5VCTRL__VBUSVALID_TRSH_BP 8 #define HW_POWER_5VCTRL__VBUSVALID_TRSH_BM (0x7 << 8) #define HW_POWER_5VCTRL__VBUSVALID_TRSH_2p9 (0 << 8) #define HW_POWER_5VCTRL__VBUSVALID_TRSH_4V (1 << 8) #define HW_POWER_5VCTRL__CHARGE_4P2_ILIMIT_BP 12 #define HW_POWER_5VCTRL__CHARGE_4P2_ILIMIT_BM (0x3f << 12) #define HW_POWER_5VCTRL__CHARGE_4P2_ILIMIT__10mA (1 << 12) #define HW_POWER_5VCTRL__CHARGE_4P2_ILIMIT__20mA (1 << 13) #define HW_POWER_5VCTRL__CHARGE_4P2_ILIMIT__50mA (1 << 14) #define HW_POWER_5VCTRL__CHARGE_4P2_ILIMIT__100mA (1 << 15) #define HW_POWER_5VCTRL__CHARGE_4P2_ILIMIT__200mA (1 << 16) #define HW_POWER_5VCTRL__CHARGE_4P2_ILIMIT__400mA (1 << 17) #define HW_POWER_5VCTRL__PWD_CHARGE_4P2 (1 << 20) #define HW_POWER_MINPWR (*(volatile uint32_t *)(HW_POWER_BASE + 0x20)) #define HW_POWER_MINPWR__HALF_FETS (1 << 5) #define HW_POWER_MINPWR__DOUBLE_FETS (1 << 6) #define HW_POWER_CHARGE (*(volatile uint32_t *)(HW_POWER_BASE + 0x30)) #define HW_POWER_CHARGE__BATTCHRG_I_BP 0 #define HW_POWER_CHARGE__BATTCHRG_I_BM 0x3f #define HW_POWER_CHARGE__BATTCHRG_I__10mA (1 << 0) #define HW_POWER_CHARGE__BATTCHRG_I__20mA (1 << 1) #define HW_POWER_CHARGE__BATTCHRG_I__50mA (1 << 2) #define HW_POWER_CHARGE__BATTCHRG_I__100mA (1 << 3) #define HW_POWER_CHARGE__BATTCHRG_I__200mA (1 << 4) #define HW_POWER_CHARGE__BATTCHRG_I__400mA (1 << 5) #define HW_POWER_CHARGE__STOP_ILIMIT_BP 8 #define HW_POWER_CHARGE__STOP_ILIMIT_BM 0xf00 #define HW_POWER_CHARGE__STOP_ILIMIT__10mA (1 << 8) #define HW_POWER_CHARGE__STOP_ILIMIT__20mA (1 << 9) #define HW_POWER_CHARGE__STOP_ILIMIT__50mA (1 << 10) #define HW_POWER_CHARGE__STOP_ILIMIT__100mA (1 << 11) #define HW_POWER_CHARGE__PWD_BATTCHRG (1 << 16) #define HW_POWER_CHARGE__CHRG_STS_OFF (1 << 19) #define HW_POWER_CHARGE__ENABLE_LOAD (1 << 22) #define HW_POWER_VDDDCTRL (*(volatile uint32_t *)(HW_POWER_BASE + 0x40)) #define HW_POWER_VDDDCTRL__TRG_BP 0 #define HW_POWER_VDDDCTRL__TRG_BM 0x1f #define HW_POWER_VDDDCTRL__BO_OFFSET_BP 8 #define HW_POWER_VDDDCTRL__BO_OFFSET_BM (0x7 << 8) #define HW_POWER_VDDDCTRL__TRG_STEP 25 /* mV */ #define HW_POWER_VDDDCTRL__TRG_MIN 800 /* mV */ #define HW_POWER_VDDDCTRL__LINREG_OFFSET_BP 16 #define HW_POWER_VDDDCTRL__LINREG_OFFSET_BM (0x3 << 16) #define HW_POWER_VDDDCTRL__ENABLE_LINREG (1 << 21) #define HW_POWER_VDDACTRL (*(volatile uint32_t *)(HW_POWER_BASE + 0x50)) #define HW_POWER_VDDACTRL__TRG_BP 0 #define HW_POWER_VDDACTRL__TRG_BM 0x1f #define HW_POWER_VDDACTRL__BO_OFFSET_BP 8 #define HW_POWER_VDDACTRL__BO_OFFSET_BM (0x7 << 8) #define HW_POWER_VDDACTRL__TRG_STEP 25 /* mV */ #define HW_POWER_VDDACTRL__TRG_MIN 1500 /* mV */ #define HW_POWER_VDDACTRL__LINREG_OFFSET_BP 12 #define HW_POWER_VDDACTRL__LINREG_OFFSET_BM (0x3 << 12) #define HW_POWER_VDDACTRL__ENABLE_LINREG (1 << 17) #define HW_POWER_VDDIOCTRL (*(volatile uint32_t *)(HW_POWER_BASE + 0x60)) #define HW_POWER_VDDIOCTRL__TRG_BP 0 #define HW_POWER_VDDIOCTRL__TRG_BM 0x1f #define HW_POWER_VDDIOCTRL__BO_OFFSET_BP 8 #define HW_POWER_VDDIOCTRL__BO_OFFSET_BM (0x7 << 8) #define HW_POWER_VDDIOCTRL__TRG_STEP 25 /* mV */ #define HW_POWER_VDDIOCTRL__TRG_MIN 2800 /* mV */ #define HW_POWER_VDDIOCTRL__LINREG_OFFSET_BP 12 #define HW_POWER_VDDIOCTRL__LINREG_OFFSET_BM (0x3 << 12) #define HW_POWER_VDDMEMCTRL (*(volatile uint32_t *)(HW_POWER_BASE + 0x70)) #define HW_POWER_VDDMEMCTRL__TRG_BP 0 #define HW_POWER_VDDMEMCTRL__TRG_BM 0x1f #define HW_POWER_VDDMEMCTRL__TRG_STEP 50 /* mV */ #define HW_POWER_VDDMEMCTRL__TRG_MIN 1700 /* mV */ #define HW_POWER_VDDMEMCTRL__ENABLE_LINREG (1 << 8) #define HW_POWER_DCDC4P2 (*(volatile uint32_t *)(HW_POWER_BASE + 0x80)) #define HW_POWER_DCDC4P2__CMPTRIP_BP 0 #define HW_POWER_DCDC4P2__CMPTRIP_BM 0x1f #define HW_POWER_DCDC4P2__CMPTRIP__0p85 0 #define HW_POWER_DCDC4P2__ENABLE_DCDC (1 << 22) #define HW_POWER_DCDC4P2__ENABLE_4P2 (1 << 23) #define HW_POWER_DCDC4P2__DROPOUT_CTRL_BP 28 #define HW_POWER_DCDC4P2__DROPOUT_CTRL_BM (0xf << 28) #define HW_POWER_DCDC4P2__DROPOUT_CTRL__200mV (3 << 30) #define HW_POWER_DCDC4P2__DROPOUT_CTRL__HIGHER (2 << 28) #define HW_POWER_MISC (*(volatile uint32_t *)(HW_POWER_BASE + 0x90)) #define HW_POWER_MISC__SEL_PLLCLK 1 #define HW_POWER_MISC__FREQSEL_BP 4 #define HW_POWER_MISC__FREQSEL_BM (0x7 << 4) #define HW_POWER_MISC__FREQSEL__RES 0 #define HW_POWER_MISC__FREQSEL__20MHz 1 #define HW_POWER_MISC__FREQSEL__24MHz 2 #define HW_POWER_MISC__FREQSEL__19p2MHz 3 #define HW_POWER_MISC__FREQSEL__14p4MHz 4 #define HW_POWER_MISC__FREQSEL__18MHz 5 #define HW_POWER_MISC__FREQSEL__21p6MHz 6 #define HW_POWER_MISC__FREQSEL__17p28MHz 7 #define HW_POWER_LOOPCTRL (*(volatile uint32_t *)(HW_POWER_BASE + 0xb0)) #define HW_POWER_LOOPCTRL__DC_C_BP 0 #define HW_POWER_LOOPCTRL__DC_C_BM 0x3 #define HW_POWER_LOOPCTRL__DC_R_BP 4 #define HW_POWER_LOOPCTRL__DC_R_BM 0xf0 #define HW_POWER_LOOPCTRL__DC_FF_BP 8 #define HW_POWER_LOOPCTRL__DC_FF_BM (0x7 << 8) #define HW_POWER_LOOPCTRL__EN_RCSCALE_BP 12 #define HW_POWER_LOOPCTRL__EN_RCSCALE_BM (0x3 << 12) #define HW_POWER_LOOPCTRL__EN_RCSCALE__DISABLED 0 #define HW_POWER_LOOPCTRL__EN_RCSCALE__2X 1 #define HW_POWER_LOOPCTRL__EN_RCSCALE__4X 2 #define HW_POWER_LOOPCTRL__EN_RCSCALE__8X 3 #define HW_POWER_LOOPCTRL__RCSCALE_THRESH (1 << 14) #define HW_POWER_LOOPCTRL__DF_HYST_THRESH (1 << 15) #define HW_POWER_LOOPCTRL__CM_HYST_THRESH (1 << 16) #define HW_POWER_LOOPCTRL__EN_DF_HYST (1 << 17) #define HW_POWER_LOOPCTRL__EN_CM_HYST (1 << 18) #define HW_POWER_LOOPCTRL__HYST_SIGN (1 << 19) #define HW_POWER_LOOPCTRL__TOGGLE_DIF (1 << 20) #define HW_POWER_STS (*(volatile uint32_t *)(HW_POWER_BASE + 0xc0)) #define HW_POWER_STS__VBUSVALID (1 << 1) #define HW_POWER_STS__CHRGSTS (1 << 11) #define HW_POWER_STS__PSWITCH_BP 20 #define HW_POWER_STS__PSWITCH_BM (3 << 20) #define HW_POWER_STS__PWRUP_SOURCE_BP 24 #define HW_POWER_STS__PWRUP_SOURCE_BM (0x3f << 24) #define HW_POWER_BATTMONITOR (*(volatile uint32_t *)(HW_POWER_BASE + 0xe0)) #define HW_POWER_BATTMONITOR__ENBATADJ (1 << 10) #define HW_POWER_BATTMONITOR__BATT_VAL_BP 16 #define HW_POWER_BATTMONITOR__BATT_VAL_BM (0x3ff << 16) #define HW_POWER_RESET (*(volatile uint32_t *)(HW_POWER_BASE + 0x100)) #define HW_POWER_RESET__UNLOCK 0x3E770000 #define HW_POWER_RESET__PWD 0x1 void imx233_power_init(void); void imx233_power_set_charge_current(unsigned current); /* in mA */ void imx233_power_set_stop_current(unsigned current); /* in mA */ void imx233_power_enable_batadj(bool enable); enum imx233_regulator_t { REGULATOR_VDDD, /* target, brownout, linreg, linreg offset */ REGULATOR_VDDA, /* target, brownout, linreg, linreg offset */ REGULATOR_VDDIO, /* target, brownout, linreg offset */ REGULATOR_VDDMEM, /* target, linreg */ REGULATOR_COUNT, }; void imx233_power_get_regulator(enum imx233_regulator_t reg, unsigned *target_mv, unsigned *brownout_mv); // WARNING this call will block until voltage is stable void imx233_power_set_regulator(enum imx233_regulator_t reg, unsigned target_mv, unsigned brownout_mv); // offset is -1,0 or 1 void imx233_power_get_regulator_linreg(enum imx233_regulator_t reg, bool *enabled, int *linreg_offset); // offset is -1,0 or 1 void imx233_power_set_regulator_linreg(enum imx233_regulator_t reg, bool enabled, int linreg_offset); static inline void imx233_power_set_dcdc_freq(bool pll, unsigned freq) { HW_POWER_MISC &= ~(HW_POWER_MISC__SEL_PLLCLK | HW_POWER_MISC__FREQSEL_BM); /* WARNING: HW_POWER_MISC does not have a SET/CLR variant ! */ if(pll) { HW_POWER_MISC |= freq << HW_POWER_MISC__FREQSEL_BP; HW_POWER_MISC |= HW_POWER_MISC__SEL_PLLCLK; } } struct imx233_power_info_t { bool dcdc_sel_pllclk; /* clock source of DC-DC: pll or 24MHz xtal */ int dcdc_freqsel; int charge_current; int stop_current; bool charging; bool batt_adj; bool _4p2_enable; bool _4p2_dcdc; int _4p2_cmptrip; int _4p2_dropout; bool _5v_pwd_charge_4p2; int _5v_charge_4p2_limit; bool _5v_dcdc_xfer; bool _5v_enable_dcdc; int _5v_vbusvalid_thr; bool _5v_vbusvalid_detect; bool _5v_vbus_cmps; }; #define POWER_INFO_DCDC (1 << 4) #define POWER_INFO_CHARGE (1 << 5) #define POWER_INFO_4P2 (1 << 6) #define POWER_INFO_5V (1 << 7) #define POWER_INFO_ALL 0xff struct imx233_power_info_t imx233_power_get_info(unsigned flags); #endif /* __POWER_IMX233__ */