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blaze: add battery configuration

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Set battery cut off command and config battery configuration for blaze.

BUG=chrome-os-partner:27120
BRANCH=ToT
TEST=manual
  build ec and flash to blaze board,
  verify battery works.
  Verify battery cut off function is workable.

Change-Id: I2e1f7de9c6370a2a02fb56fc4520f4bc062b4d6b
Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Reviewed-by: Dave Parker <dparker@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/193000
Reviewed-by: Yung-chieh Lo <yjlou@chromium.org>
This commit is contained in:
Devin Lu
2014-04-03 18:22:10 +08:00
committed by chrome-internal-fetch
parent ccdce3f83d
commit bb16a63539
1 changed files with 31 additions and 46 deletions
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77
board/blaze/battery.c
View File

@@ -15,9 +15,8 @@
/* Console output macros */
#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ## args)
/* These 2 defines are for cut_off command for 3S battery */
#define SB_SHIP_MODE_ADDR 0x3a
#define SB_SHIP_MODE_DATA 0xc574
/* Shutdown mode parameter to write to manufacturer access register */
#define SB_SHUTDOWN_DATA 0x0010
static struct battery_info *battery_info;
static int battery_cut_off;
@@ -30,37 +29,10 @@ struct battery_device {
int support_cut_off;
};
static struct battery_info info_2s = {
/*
* Design voltage
* max = 8.4V
* normal = 7.4V
* min = 6.0V
*/
.voltage_max = 8400,
.voltage_normal = 7400,
.voltage_min = 6000,
/* Pre-charge current: I <= 0.01C */
.precharge_current = 64, /* mA */
/*
* Operational temperature range
* 0 <= T_charge <= 50 deg C
* -20 <= T_discharge <= 60 deg C
*/
.start_charging_min_c = 0,
.start_charging_max_c = 50,
.charging_min_c = 0,
.charging_max_c = 50,
.discharging_min_c = -20,
.discharging_max_c = 60,
};
static struct battery_info info_3s = {
.voltage_max = 12600,
.voltage_normal = 11100, /* Average of max & min */
.voltage_max = 13050,
.voltage_normal = 11400, /* Average of max & min */
.voltage_min = 9000,
/* Pre-charge values. */
@@ -71,30 +43,30 @@ static struct battery_info info_3s = {
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = 0,
.discharging_max_c = 50,
.discharging_max_c = 60,
};
static struct battery_device support_batteries[] = {
{
.manuf = "NVT",
.device = "ARROW",
.design_mv = 7400,
.battery_info = &info_2s,
.support_cut_off = 0,
},
{
.manuf = "SANYO",
.device = "AP13J3K",
.design_mv = 11250,
.manuf = "13-1B",
.device = "BO03037X",
.design_mv = 11400,
.battery_info = &info_3s,
.support_cut_off = 1,
},
{
.manuf = "SONYCorp",
.device = "AP13J4K",
.manuf = "13-1C",
.device = "BO03037X",
.design_mv = 11400,
.battery_info = &info_3s,
.support_cut_off = 1,
},
{
.manuf = "13-1B",
.device = "BO03032X",
.design_mv = 11100,
.battery_info = &info_3s,
.support_cut_off = 1,
}
};
@@ -231,10 +203,23 @@ const struct battery_info *battery_get_info(void)
return NULL;
}
static int cutoff(void)
{
int rv;
/* Ship mode command must be sent twice to take effect */
rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
if (rv != EC_SUCCESS)
return rv;
return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
}
int battery_command_cut_off(struct host_cmd_handler_args *args)
{
if (battery_cut_off)
return sb_write(SB_SHIP_MODE_ADDR, SB_SHIP_MODE_DATA);
return cutoff() ? EC_RES_ERROR : EC_RES_SUCCESS;
else
return EC_RES_INVALID_COMMAND;
}