diff options
Diffstat (limited to 'board/grunt')
-rw-r--r-- | board/grunt/battery.c | 65 | ||||
-rw-r--r-- | board/grunt/board.h | 5 | ||||
-rw-r--r-- | board/grunt/build.mk | 1 | ||||
-rw-r--r-- | board/grunt/gpio.inc | 2 |
4 files changed, 72 insertions, 1 deletions
diff --git a/board/grunt/battery.c b/board/grunt/battery.c new file mode 100644 index 0000000000..3dd9f84832 --- /dev/null +++ b/board/grunt/battery.c @@ -0,0 +1,65 @@ +/* Copyright 2018 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 "common.h" +#include "baseboard_battery.h" +#include "util.h" + +/* + * Battery info for all Grunt battery types. Note that the fields + * start_charging_min/max and charging_min/max are not used for the charger. + * The effective temperature limits are given by discharging_min/max_c. + * + * Fuel Gauge (FG) parameters which are used for determining if the battery + * is connected, the appropriate ship mode (battery cutoff) command, and the + * charge/discharge FETs status. + * + * Ship mode (battery cutoff) requires 2 writes to the appropriate smart battery + * register. For some batteries, the charge/discharge FET bits are set when + * charging/discharging is active, in other types, these bits set mean that + * charging/discharging is disabled. Therefore, in addition to the mask for + * these bits, a disconnect value must be specified. Note that for TI fuel + * gauge, the charge/discharge FET status is found in Operation Status (0x54), + * but a read of Manufacturer Access (0x00) will return the lower 16 bits of + * Operation status which contains the FET status bits. + * + * The assumption for battery types supported is that the charge/discharge FET + * status can be read with a sb_read() command and therefore, only the register + * address, mask, and disconnect value need to be provided. + */ +const struct board_batt_params board_battery_info[] = { + /* Panasonic AP15O5L Battery Information */ + [BATTERY_PANASONIC] = { + .fuel_gauge = { + .manuf_name = "PANASONIC", + .ship_mode = { + .reg_addr = 0x3A, + .reg_data = { 0xC574, 0xC574 }, + }, + .fet = { + .reg_addr = 0x0, + .reg_mask = 0x4000, + .disconnect_val = 0x0, + } + }, + .batt_info = { + .voltage_max = 13200, + .voltage_normal = 11550, /* mV */ + .voltage_min = 9000, /* mV */ + .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 = 0, + .discharging_max_c = 60, + }, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT); + +const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_PANASONIC; diff --git a/board/grunt/board.h b/board/grunt/board.h index dbbd036189..a020b6eae0 100644 --- a/board/grunt/board.h +++ b/board/grunt/board.h @@ -50,6 +50,11 @@ enum pwm_channel { PWM_CH_COUNT }; +enum battery_type { + BATTERY_PANASONIC, + BATTERY_TYPE_COUNT, +}; + #endif /* !__ASSEMBLER__ */ #endif /* __CROS_EC_BOARD_H */ diff --git a/board/grunt/build.mk b/board/grunt/build.mk index 9620af3152..c808e65aed 100644 --- a/board/grunt/build.mk +++ b/board/grunt/build.mk @@ -12,3 +12,4 @@ CHIP_VARIANT:=npcx7m6f BASEBOARD:=grunt board-y=board.o led.o +board-$(CONFIG_BATTERY_SMART)+=battery.o diff --git a/board/grunt/gpio.inc b/board/grunt/gpio.inc index 4cd840ba02..8f81a05114 100644 --- a/board/grunt/gpio.inc +++ b/board/grunt/gpio.inc @@ -35,7 +35,7 @@ GPIO(PCH_WAKE_L, PIN(7, 4), GPIO_OUT_HIGH) /* Wake SOC */ GPIO(PCH_RCIN_L, PIN(0, 2), GPIO_ODR_HIGH) /* Cold Reset to SOC */ GPIO(CCD_MODE_ODL, PIN(E, 3), GPIO_INPUT) /* Case Closed Debug Mode */ GPIO(ENTERING_RW, PIN(E, 1), GPIO_OUT_LOW) /* EC Entering RW */ -GPIO(EC_BATT_PRES_ODL, PIN(E, 5), GPIO_INPUT | GPIO_PULL_UP) /* Battery Present */ +GPIO(EC_BATT_PRES_L, PIN(E, 5), GPIO_INPUT | GPIO_PULL_UP) /* Battery Present */ GPIO(PCH_SYS_PWROK, PIN(D, 6), GPIO_OUT_LOW) /* Power OK to SOC */ GPIO(EC_APU_RST, PIN(E, 4), GPIO_INPUT) /* Reset to SOC */ GPIO(CPU_PROCHOT, PIN(3, 4), GPIO_INPUT | GPIO_SEL_1P8V) /* PROCHOT to SOC */ |