Reks: add firmware for shipping mode follow battery spec.

add firmware for shipping mode follow battery spec.

BUG=chrome-os-partner:45572
BRANCH=reks
TEST=make buildall

Change-Id: I02d621e3c4127fdb593ca41ed1c16d6dfe56a98a
Signed-off-by: Bruce.Wan <Bruce.Wan@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/303644
Reviewed-by: Shawn N <shawnn@chromium.org>

1 files changed, 54 insertions, 11 deletions

diff --git a/board/reks/battery.c b/board/reks/battery.c
index 43fa956ced..b8b19f3f39 100644
--- a/board/reks/battery.c
+++ b/board/reks/battery.c
@@ -7,19 +7,37 @@
 
 #include "battery.h"
 #include "battery_smart.h"
+#include "console.h"
+#include "extpower.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "host_command.h"
+#include "system.h"
+#include "util.h"
 
-/* Shutdown mode parameter to write to manufacturer access register */
-#define SB_SHUTDOWN_DATA	0x0010
+/* FET ON/OFF cammand write to fet off register */
+#define SB_FET_OFF      0x34
+#define SB_FETOFF_DATA1 0x0000
+#define SB_FETOFF_DATA2 0x1000
+#define SB_FETON_DATA1  0x2000
+#define SB_FETON_DATA2  0x4000
+#define BATTERY_FETOFF  0x0100
+
+/*
+ * Green book support parameter
+ * Enable this will make battery meet JEITA standard
+ */
+#define GREEN_BOOK_SUPPORT      (1 << 2)
 
 static const struct battery_info info = {
-	.voltage_max = 8700,/* mV */
-	.voltage_normal = 7600,
-	.voltage_min = 6000,
-	.precharge_current = 150,/* mA */
+	.voltage_max = 12600,/* mV */
+	.voltage_normal = 11100,
+	.voltage_min = 9000,
+	.precharge_current = 204,/* mA */
 	.start_charging_min_c = 0,
-	.start_charging_max_c = 45,
+	.start_charging_max_c = 60,
 	.charging_min_c = 0,
-	.charging_max_c = 45,
+	.charging_max_c = 60,
 	.discharging_min_c = -20,
 	.discharging_max_c = 60,
 };
@@ -29,15 +47,40 @@ const struct battery_info *battery_get_info(void)
 	return &info;
 }
 
-int board_cut_off_battery(void)
+static void battery_init(void)
+{
+	int d, rv;
+	int mode;
+
+	/* Add Green Book support */
+	rv = sb_read(SB_BATTERY_MODE, &mode);
+	if (rv == EC_SUCCESS) {
+		mode |= GREEN_BOOK_SUPPORT;
+		sb_write(SB_BATTERY_MODE, mode);
+	}
+
+	rv = sb_read(SB_FET_OFF, &d);
+	if (rv == EC_SUCCESS && extpower_is_present() && BATTERY_FETOFF == d) {
+		sb_write(SB_FET_OFF, SB_FETON_DATA1);
+		sb_write(SB_FET_OFF, SB_FETON_DATA2);
+	}
+}
+DECLARE_HOOK(HOOK_INIT, battery_init, HOOK_PRIO_DEFAULT);
+
+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);
+	rv = sb_write(SB_FET_OFF, SB_FETOFF_DATA1);
 
 	if (rv != EC_SUCCESS)
 		return rv;
 
-	return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
+	return sb_write(SB_FET_OFF, SB_FETOFF_DATA2);
+}
+
+int board_cut_off_battery(void)
+{
+	return cutoff();
 }