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-rw-r--r--board/reef_mchp/battery.c700
1 files changed, 0 insertions, 700 deletions
diff --git a/board/reef_mchp/battery.c b/board/reef_mchp/battery.c
deleted file mode 100644
index c557533c9d..0000000000
--- a/board/reef_mchp/battery.c
+++ /dev/null
@@ -1,700 +0,0 @@
-/* Copyright 2016 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Battery pack vendor provided charging profile
- */
-
-#include "battery.h"
-#include "battery_smart.h"
-#include "bd9995x.h"
-#include "charge_ramp.h"
-#include "charge_state.h"
-#include "charger_profile_override.h"
-#include "common.h"
-#include "console.h"
-#include "ec_commands.h"
-#include "extpower.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "i2c.h"
-#include "util.h"
-#include "tfdp_chip.h"
-
-#define CPUTS(outstr) cputs(CC_CHARGER, outstr)
-#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args)
-
-enum battery_type {
- BATTERY_SONY_CORP,
- BATTERY_PANASONIC,
- BATTERY_SMP_COS4870,
- BATTERY_SMP_C22N1626,
- BATTERY_CPT_C22N1626,
- BATTERY_TYPE_COUNT,
-};
-
-enum fast_chg_voltage_ranges {
- VOLTAGE_RANGE_0,
- VOLTAGE_RANGE_1,
- VOLTAGE_RANGE_2,
-};
-
-enum temp_range {
- TEMP_RANGE_0,
- TEMP_RANGE_1,
- TEMP_RANGE_2,
- TEMP_RANGE_3,
- TEMP_RANGE_4,
-};
-
-struct ship_mode_info {
- const int ship_mode_reg;
- const int ship_mode_data;
- int (*batt_init)(void);
-};
-
-struct board_batt_params {
- const char *manuf_name;
- const struct ship_mode_info *ship_mode_inf;
- const struct battery_info *batt_info;
- const struct fast_charge_params *fast_chg_params;
-};
-
-#define DEFAULT_BATTERY_TYPE BATTERY_SONY_CORP
-#define SONY_DISCHARGE_DISABLE_FET_BIT (0x01 << 13)
-#define PANASONIC_DISCHARGE_ENABLE_FET_BIT (0x01 << 14)
-#define C22N1626_DISCHARGE_ENABLE_FET_BIT (0x01 << 0)
-
-/* keep track of previous charge profile info */
-static const struct fast_charge_profile *prev_chg_profile_info;
-
-static enum battery_present batt_pres_prev = BP_NOT_SURE;
-
-static enum battery_type board_battery_type = BATTERY_TYPE_COUNT;
-
-static const struct fast_charge_profile fast_charge_smp_cos4870_info[] = {
- /* < 0C */
- [TEMP_RANGE_0] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(-1),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 0,
- [VOLTAGE_RANGE_1] = 0,
- },
- },
-
- /* 0C >= && <=15C */
- [TEMP_RANGE_1] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(15),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 944,
- [VOLTAGE_RANGE_1] = 472,
- },
- },
-
- /* 15C > && <=20C */
- [TEMP_RANGE_2] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(20),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 1416,
- [VOLTAGE_RANGE_1] = 1416,
- },
- },
-
- /* 20C > && <=45C */
- [TEMP_RANGE_3] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(45),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 3300,
- [VOLTAGE_RANGE_1] = 3300,
- },
- },
-
- /* > 45C */
- [TEMP_RANGE_4] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(CHARGER_PROF_TEMP_C_LAST_RANGE),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 0,
- [VOLTAGE_RANGE_1] = 0,
- },
- },
-};
-
-static const struct fast_charge_params fast_chg_params_smp_cos4870 = {
- .total_temp_ranges = ARRAY_SIZE(fast_charge_smp_cos4870_info),
- .default_temp_range_profile = TEMP_RANGE_2,
- .voltage_mV = {
- [VOLTAGE_RANGE_0] = 8000,
- [VOLTAGE_RANGE_1] = CHARGER_PROF_VOLTAGE_MV_LAST_RANGE,
- },
- .chg_profile_info = &fast_charge_smp_cos4870_info[0],
-};
-
-const struct battery_info batt_info_smp_cos4870 = {
- .voltage_max = TARGET_WITH_MARGIN(8700, 5),
- .voltage_normal = 7600,
- /*
- * Actual value 6000mV, added 100mV for charger accuracy so that
- * unwanted low VSYS_Prochot# assertion can be avoided.
- */
- .voltage_min = 6100,
- .precharge_current = 256, /* mA */
- .start_charging_min_c = 0,
- .start_charging_max_c = 46,
- .charging_min_c = 0,
- .charging_max_c = 45,
- .discharging_min_c = 0,
- .discharging_max_c = 60,
-};
-
-static const struct fast_charge_profile fast_charge_sonycorp_info[] = {
- /* < 10C */
- [TEMP_RANGE_0] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(9),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 1200,
- [VOLTAGE_RANGE_1] = 1200,
- },
- },
-
- /* >= 10C */
- [TEMP_RANGE_1] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(CHARGER_PROF_TEMP_C_LAST_RANGE),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 2250,
- [VOLTAGE_RANGE_1] = 2250,
- },
- },
-};
-
-static const struct fast_charge_params fast_chg_params_sonycorp = {
- .total_temp_ranges = ARRAY_SIZE(fast_charge_sonycorp_info),
- .default_temp_range_profile = TEMP_RANGE_1,
- .voltage_mV = {
- [VOLTAGE_RANGE_0] = 8000,
- [VOLTAGE_RANGE_1] = CHARGER_PROF_VOLTAGE_MV_LAST_RANGE,
- },
- .chg_profile_info = &fast_charge_sonycorp_info[0],
-};
-
-const struct battery_info batt_info_sonycorp = {
- .voltage_max = TARGET_WITH_MARGIN(8700, 5),
- .voltage_normal = 7600,
-
- /*
- * Actual value 6000mV, added 100mV for charger accuracy so that
- * unwanted low VSYS_Prochot# assertion can be avoided.
- */
- .voltage_min = 6100,
- .precharge_current = 256, /* mA */
- .start_charging_min_c = 0,
- .start_charging_max_c = 50,
- .charging_min_c = 0,
- .charging_max_c = 60,
- .discharging_min_c = -20,
- .discharging_max_c = 75,
-};
-
-static const struct fast_charge_profile fast_charge_panasonic_info[] = {
- /* < 0C */
- [TEMP_RANGE_0] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(-1),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 0,
- [VOLTAGE_RANGE_1] = 0,
- },
- },
-
- /* 0C >= && <= 60C */
- [TEMP_RANGE_1] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(60),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 3072,
- [VOLTAGE_RANGE_1] = 3072,
- },
- },
-
- /* > 60C */
- [TEMP_RANGE_2] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(CHARGER_PROF_TEMP_C_LAST_RANGE),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 0,
- [VOLTAGE_RANGE_1] = 0,
- },
- },
-};
-
-static const struct fast_charge_params fast_chg_params_panasonic = {
- .total_temp_ranges = ARRAY_SIZE(fast_charge_panasonic_info),
- .default_temp_range_profile = TEMP_RANGE_1,
- .voltage_mV = {
- [VOLTAGE_RANGE_0] = 8000,
- [VOLTAGE_RANGE_1] = CHARGER_PROF_VOLTAGE_MV_LAST_RANGE,
- },
- .chg_profile_info = &fast_charge_panasonic_info[0],
-};
-
-const struct battery_info batt_info_panasoic = {
- .voltage_max = TARGET_WITH_MARGIN(8800, 5),
- .voltage_normal = 7700,
-
- /*
- * Actual value 6000mV, added 100mV for charger accuracy so that
- * unwanted low VSYS_Prochot# assertion can be avoided.
- */
- .voltage_min = 6100,
- .precharge_current = 256, /* mA */
- .start_charging_min_c = 0,
- .start_charging_max_c = 50,
- .charging_min_c = 0,
- .charging_max_c = 60,
- .discharging_min_c = -20,
- .discharging_max_c = 75,
-};
-
-static const struct fast_charge_profile fast_charge_smp_c22n1626_info[] = {
- /* < 1C */
- [TEMP_RANGE_0] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(0),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 0,
- [VOLTAGE_RANGE_1] = 0,
- [VOLTAGE_RANGE_2] = 0,
- },
- },
-
- /* >=1C && <=10C */
- [TEMP_RANGE_1] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(10),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 1752,
- [VOLTAGE_RANGE_1] = 1752,
- [VOLTAGE_RANGE_2] = 1752,
- },
- },
-
- /* 10C > && <=45C */
- [TEMP_RANGE_2] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(45),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 4672,
- [VOLTAGE_RANGE_1] = 4672,
- [VOLTAGE_RANGE_2] = 2920,
- },
- },
-
- /* 45C > && <=60C */
- [TEMP_RANGE_3] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(60),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 2920,
- [VOLTAGE_RANGE_1] = 0,
- [VOLTAGE_RANGE_2] = 0,
- },
- },
-
- /* > 60C */
- [TEMP_RANGE_4] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(CHARGER_PROF_TEMP_C_LAST_RANGE),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 0,
- [VOLTAGE_RANGE_1] = 0,
- [VOLTAGE_RANGE_2] = 0,
- },
- },
-};
-
-static const struct fast_charge_params fast_chg_params_smp_c22n1626 = {
- .total_temp_ranges = ARRAY_SIZE(fast_charge_smp_c22n1626_info),
- .default_temp_range_profile = TEMP_RANGE_2,
- .voltage_mV = {
- [VOLTAGE_RANGE_0] = 8200,
- [VOLTAGE_RANGE_1] = 8500,
- [VOLTAGE_RANGE_2] = CHARGER_PROF_VOLTAGE_MV_LAST_RANGE,
- },
- .chg_profile_info = &fast_charge_smp_c22n1626_info[0],
-};
-
-static const struct fast_charge_profile fast_charge_cpt_c22n1626_info[] = {
- /* < 1C */
- [TEMP_RANGE_0] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(0),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 0,
- [VOLTAGE_RANGE_1] = 0,
- [VOLTAGE_RANGE_2] = 0,
- },
- },
-
- /* >=1C && <=10C */
- [TEMP_RANGE_1] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(10),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 1752,
- [VOLTAGE_RANGE_1] = 1752,
- [VOLTAGE_RANGE_2] = 1752,
- },
- },
-
- /* 10C > && <=45C */
- [TEMP_RANGE_2] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(45),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 4600,
- [VOLTAGE_RANGE_1] = 4600,
- [VOLTAGE_RANGE_2] = 2920,
- },
- },
-
- /* 45C > && <=60C */
- [TEMP_RANGE_3] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(60),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 2920,
- [VOLTAGE_RANGE_1] = 0,
- [VOLTAGE_RANGE_2] = 0,
- },
- },
-
- /* >60C */
- [TEMP_RANGE_4] = {
- .temp_c = TEMPC_TENTHS_OF_DEG(CHARGER_PROF_TEMP_C_LAST_RANGE),
- .current_mA = {
- [VOLTAGE_RANGE_0] = 0,
- [VOLTAGE_RANGE_1] = 0,
- [VOLTAGE_RANGE_2] = 0,
- },
- },
-};
-
-static const struct fast_charge_params fast_chg_params_cpt_c22n1626 = {
- .total_temp_ranges = ARRAY_SIZE(fast_charge_cpt_c22n1626_info),
- .default_temp_range_profile = TEMP_RANGE_2,
- .voltage_mV = {
- [VOLTAGE_RANGE_0] = 8200,
- [VOLTAGE_RANGE_1] = 8500,
- [VOLTAGE_RANGE_2] = CHARGER_PROF_VOLTAGE_MV_LAST_RANGE,
- },
- .chg_profile_info = &fast_charge_cpt_c22n1626_info[0],
-};
-
-const struct battery_info batt_info_c22n1626 = {
- .voltage_max = TARGET_WITH_MARGIN(8800, 5),
- .voltage_normal = 7700,
-
- /*
- * Actual value 6000mV, added 100mV for charger accuracy so that
- * unwanted low VSYS_Prochot# assertion can be avoided.
- */
- .voltage_min = 6100,
- .precharge_current = 256, /* mA */
- .start_charging_min_c = 0,
- .start_charging_max_c = 45,
- .charging_min_c = 0,
- .charging_max_c = 60,
- .discharging_min_c = 0,
- .discharging_max_c = 60,
-};
-
-static int batt_smp_cos4870_init(void)
-{
- int batt_status;
-
- return battery_status(&batt_status) ? 0 :
- batt_status & STATUS_INITIALIZED;
-}
-
-static int batt_sony_corp_init(void)
-{
- int batt_status;
-
- /*
- * SB_MANUFACTURER_ACCESS:
- * [13] : Discharging Disabled
- * : 0b - Allowed to Discharge
- * : 1b - Not Allowed to Discharge
- */
- return sb_read(SB_MANUFACTURER_ACCESS, &batt_status) ? 0 :
- !(batt_status & SONY_DISCHARGE_DISABLE_FET_BIT);
-}
-
-static int batt_panasonic_init(void)
-{
- int batt_status;
-
- /*
- * SB_MANUFACTURER_ACCESS:
- * [14] : Discharging Disabled
- * : 0b - Not Allowed to Discharge
- * : 1b - Allowed to Discharge
- */
- return sb_read(SB_MANUFACTURER_ACCESS, &batt_status) ? 0 :
- !!(batt_status & PANASONIC_DISCHARGE_ENABLE_FET_BIT);
-}
-
-static int batt_c22n1626_init(void)
-{
- int batt_status;
-
- /*
- * SB_PACK_STATUS:
- * [0] : Discharging Enabled
- * : 0b - Not Allowed to Discharge
- * : 1b - Allowed to Discharge
- */
- return sb_read(SB_PACK_STATUS, &batt_status) ? 0 :
- !!(batt_status & C22N1626_DISCHARGE_ENABLE_FET_BIT);
-}
-
-static const struct ship_mode_info ship_mode_info_smp_cos4870 = {
- .ship_mode_reg = 0x00,
- .ship_mode_data = 0x0010,
- .batt_init = batt_smp_cos4870_init,
-};
-
-static const struct ship_mode_info ship_mode_info_sonycorp = {
- .ship_mode_reg = 0x3A,
- .ship_mode_data = 0xC574,
- .batt_init = batt_sony_corp_init,
-};
-
-static const struct ship_mode_info ship_mode_info_panasonic = {
- .ship_mode_reg = 0x3A,
- .ship_mode_data = 0xC574,
- .batt_init = batt_panasonic_init,
-};
-
-static const struct ship_mode_info ship_mode_info_c22n1626 = {
- .ship_mode_reg = 0x00,
- .ship_mode_data = 0x0010,
- .batt_init = batt_c22n1626_init,
-};
-
-static const struct board_batt_params info[] = {
- /* BQ40Z555 SONY CORP BATTERY battery specific configurations */
- [BATTERY_SONY_CORP] = {
- .manuf_name = "SONYCorp",
- .ship_mode_inf = &ship_mode_info_sonycorp,
- .fast_chg_params = &fast_chg_params_sonycorp,
- .batt_info = &batt_info_sonycorp,
- },
-
- /* RAJ240045 Panasoic battery specific configurations */
- [BATTERY_PANASONIC] = {
- .manuf_name = "PANASONIC",
- .ship_mode_inf = &ship_mode_info_panasonic,
- .fast_chg_params = &fast_chg_params_panasonic,
- .batt_info = &batt_info_panasoic,
- },
-
- /* BQ40Z55 SMP COS4870 BATTERY battery specific configurations */
- [BATTERY_SMP_COS4870] = {
- .manuf_name = "SMP-COS4870",
- .ship_mode_inf = &ship_mode_info_smp_cos4870,
- .fast_chg_params = &fast_chg_params_smp_cos4870,
- .batt_info = &batt_info_smp_cos4870,
- },
-
- /* BQ40Z55 SMP C22N1626 BATTERY battery specific configurations */
- [BATTERY_SMP_C22N1626] = {
- .manuf_name = "AS1FNZD3KD",
- .ship_mode_inf = &ship_mode_info_c22n1626,
- .fast_chg_params = &fast_chg_params_smp_c22n1626,
- .batt_info = &batt_info_c22n1626,
- },
-
- /* BQ40Z55 CPT C22N1626 BATTERY battery specific configurations */
- [BATTERY_CPT_C22N1626] = {
- .manuf_name = "AS1FOAD3KD",
- .ship_mode_inf = &ship_mode_info_c22n1626,
- .fast_chg_params = &fast_chg_params_cpt_c22n1626,
- .batt_info = &batt_info_c22n1626,
- },
-};
-BUILD_ASSERT(ARRAY_SIZE(info) == BATTERY_TYPE_COUNT);
-
-static inline const struct board_batt_params *board_get_batt_params(void)
-{
- return &info[board_battery_type == BATTERY_TYPE_COUNT ?
- DEFAULT_BATTERY_TYPE : board_battery_type];
-}
-
-enum battery_present battery_hw_present(void)
-{
- int bp;
-
- /* The GPIO is low when the battery is physically present */
- bp = gpio_get_level(GPIO_EC_BATT_PRES_L);
- return bp ? BP_NO : BP_YES;
-}
-
-/* Get type of the battery connected on the board */
-static int board_get_battery_type(void)
-{
- const struct fast_charge_params *chg_params;
- char name[32];
- int i;
-
- if (!battery_manufacturer_name(name, sizeof(name))) {
- for (i = 0; i < BATTERY_TYPE_COUNT; i++) {
- if (!strcasecmp(name, info[i].manuf_name)) {
- board_battery_type = i;
- break;
- }
- }
- }
-
- /* Initialize fast charging parameters */
- chg_params = board_get_batt_params()->fast_chg_params;
- prev_chg_profile_info = &chg_params->chg_profile_info[
- chg_params->default_temp_range_profile];
-
- return board_battery_type;
-}
-
-/*
- * Initialize the battery type for the board.
- *
- * Very first battery info is called by the charger driver to initialize
- * the charger parameters hence initialize the battery type for the board
- * as soon as the I2C is initialized.
- */
-static void board_init_battery_type(void)
-{
- if (board_get_battery_type() != BATTERY_TYPE_COUNT)
- CPRINTS("found batt:%s",
- info[board_battery_type].manuf_name);
- else
- CPUTS("battery not found");
-}
-DECLARE_HOOK(HOOK_INIT, board_init_battery_type, HOOK_PRIO_INIT_I2C + 1);
-
-const struct battery_info *battery_get_info(void)
-{
- return board_get_batt_params()->batt_info;
-}
-
-int board_cut_off_battery(void)
-{
- int rv;
- const struct ship_mode_info *ship_mode_inf =
- board_get_batt_params()->ship_mode_inf;
-
- /* Ship mode command must be sent twice to take effect */
- rv = sb_write(ship_mode_inf->ship_mode_reg,
- ship_mode_inf->ship_mode_data);
- if (rv != EC_SUCCESS)
- return rv;
-
- rv = sb_write(ship_mode_inf->ship_mode_reg,
- ship_mode_inf->ship_mode_data);
-
- return rv;
-}
-
-static int charger_should_discharge_on_ac(struct charge_state_data *curr)
-{
- /* can not discharge on AC without battery */
- if (curr->batt.is_present != BP_YES)
- return 0;
-
- /* Do not discharge on AC if the battery is still waking up */
- if (!(curr->batt.flags & BATT_FLAG_WANT_CHARGE) &&
- !(curr->batt.status & STATUS_FULLY_CHARGED))
- return 0;
-
- /*
- * In light load (<450mA being withdrawn from VSYS) the DCDC of the
- * charger operates intermittently i.e. DCDC switches continuously
- * and then stops to regulate the output voltage and current, and
- * sometimes to prevent reverse current from flowing to the input.
- * This causes a slight voltage ripple on VSYS that falls in the
- * audible noise frequency (single digit kHz range). This small
- * ripple generates audible noise in the output ceramic capacitors
- * (caps on VSYS and any input of DCDC under VSYS).
- *
- * To overcome this issue enable the battery learning operation
- * and suspend USB charging and DC/DC converter.
- */
- if (!battery_is_cut_off() &&
- !(curr->batt.flags & BATT_FLAG_WANT_CHARGE) &&
- (curr->batt.status & STATUS_FULLY_CHARGED))
- return 1;
-
- /*
- * To avoid inrush current from the external charger, enable
- * discharge on AC till the new charger is detected and charge
- * detect delay has passed.
- */
- if (!chg_ramp_is_detected() && curr->batt.state_of_charge > 2)
- return 1;
-
- return 0;
-}
-
-/*
- * This can override the smart battery's charging profile. To make a change,
- * modify one or more of requested_voltage, requested_current, or state.
- * Leave everything else unchanged.
- *
- * Return the next poll period in usec, or zero to use the default (which is
- * state dependent).
- */
-int charger_profile_override(struct charge_state_data *curr)
-{
- int disch_on_ac = charger_should_discharge_on_ac(curr);
-
- charger_discharge_on_ac(disch_on_ac);
-
- if (disch_on_ac) {
- curr->state = ST_DISCHARGE;
- return 0;
- }
-
- return charger_profile_override_common(curr,
- board_get_batt_params()->fast_chg_params,
- &prev_chg_profile_info,
- board_get_batt_params()->batt_info->voltage_max);
-}
-
-/*
- * Physical detection of battery.
- */
-enum battery_present battery_is_present(void)
-{
- enum battery_present batt_pres;
-
- /* Get the physical hardware status */
- batt_pres = battery_hw_present();
-
- /*
- * Make sure battery status is implemented, I2C transactions are
- * success & the battery status is Initialized to find out if it
- * is a working battery and it is not in the cut-off mode.
- *
- * If battery I2C fails but VBATT is high, battery is booting from
- * cut-off mode.
- *
- * FETs are turned off after Power Shutdown time.
- * The device will wake up when a voltage is applied to PACK.
- * Battery status will be inactive until it is initialized.
- */
- if (batt_pres == BP_YES && batt_pres_prev != batt_pres &&
- !battery_is_cut_off()) {
- /* Re-init board battery if battery presence status changes */
- if (board_get_battery_type() == BATTERY_TYPE_COUNT) {
- if (bd9995x_get_battery_voltage() >=
- board_get_batt_params()->batt_info->voltage_min)
- batt_pres = BP_NO;
- } else if (!board_get_batt_params()->ship_mode_inf->batt_init())
- batt_pres = BP_NO;
- }
-
- batt_pres_prev = batt_pres;
-
- return batt_pres;
-}
-
-int board_battery_initialized(void)
-{
- return (battery_hw_present() == batt_pres_prev);
-}
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