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author | Ian Feng <ian_feng@compal.corp-partner.google.com> | 2021-03-17 11:12:51 +0800 |
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committer | Commit Bot <commit-bot@chromium.org> | 2021-03-25 18:13:02 +0000 |
commit | 9cffaccf945f2ea1e1fd5224ef3cec474595c289 (patch) | |
tree | a6c6d3e4e1a640b6aecfb7c1ea21e54b8ba94081 /board/cret/battery.c | |
parent | 2526c93f83d135b04c456bf7bb4589a1c30e1256 (diff) | |
download | chrome-ec-9cffaccf945f2ea1e1fd5224ef3cec474595c289.tar.gz |
cret: Initial EC image
Create the initial EC image for the cret variant by copying the
waddledoo reference board EC files into a new directory named for
the variant.
(Auto-Generated by create_initial_ec_image.sh version 1.5.0).
BUG=b:181325655
BRANCH=None
TEST=make BOARD=cret
Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Change-Id: Icdc166c2189dc35512818884c72aa553f3b7c0f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2764219
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
Diffstat (limited to 'board/cret/battery.c')
-rw-r--r-- | board/cret/battery.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/board/cret/battery.c b/board/cret/battery.c new file mode 100644 index 0000000000..12ec2c42aa --- /dev/null +++ b/board/cret/battery.c @@ -0,0 +1,66 @@ +/* Copyright 2021 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_fuel_gauge.h" +#include "charge_state.h" +#include "common.h" + +/* + * Battery info for all waddledoo 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[] = { + /* POW-TECH Battery Information */ + [BATTERY_POWER_TECH] = { + .fuel_gauge = { + .manuf_name = "POW-TECH", + .ship_mode = { + .reg_addr = 0x0, + .reg_data = { 0x10, 0x10 }, + }, + .fet = { + .reg_addr = 0x00, + .reg_mask = 0x2000, + .disconnect_val = 0x2000, + } + }, + .batt_info = { + .voltage_max = 8800, /* mV */ + .voltage_normal = 7700, + .voltage_min = 6000, + .precharge_current = 160, /* mA */ + .start_charging_min_c = 0, + .start_charging_max_c = 45, + .charging_min_c = 0, + .charging_max_c = 45, + .discharging_min_c = -20, + .discharging_max_c = 60, + }, + + }, +}; +BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT); + +const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_POWER_TECH; |