1 files changed, 0 insertions, 199 deletions
diff --git a/zephyr/program/nissa/src/common.c b/zephyr/program/nissa/src/common.c
deleted file mode 100644
index d437bfca47..0000000000
--- a/zephyr/program/nissa/src/common.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/* Copyright 2022 The ChromiumOS Authors
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "battery.h"
-#include "charge_state_v2.h"
-#include "charger.h"
-#include "chipset.h"
-#include "cros_cbi.h"
-#include "hooks.h"
-#include "nissa_common.h"
-#include "system.h"
-#include "usb_mux.h"
-
-#include <zephyr/device.h>
-#include <zephyr/logging/log.h>
-
-#include <ap_power/ap_power.h>
-LOG_MODULE_REGISTER(nissa, CONFIG_NISSA_LOG_LEVEL);
-
-static uint8_t cached_usb_pd_port_count;
-
-__override uint8_t board_get_usb_pd_port_count(void)
-{
-	__ASSERT(cached_usb_pd_port_count != 0,
-		 "sub-board detection did not run before a port count request");
-	if (cached_usb_pd_port_count == 0)
-		LOG_WRN("USB PD Port count not initialized!");
-	return cached_usb_pd_port_count;
-}
-
-static void board_power_change(struct ap_power_ev_callback *cb,
-			       struct ap_power_ev_data data)
-{
-	/*
-	 * Enable power to pen garage when system is active (safe even if no
-	 * pen is present).
-	 */
-	const struct gpio_dt_spec *const pen_power_gpio =
-		GPIO_DT_FROM_NODELABEL(gpio_en_pp5000_pen_x);
-
-	switch (data.event) {
-	case AP_POWER_STARTUP:
-		gpio_pin_set_dt(pen_power_gpio, 1);
-		break;
-	case AP_POWER_SHUTDOWN:
-		gpio_pin_set_dt(pen_power_gpio, 0);
-		break;
-	default:
-		break;
-	}
-}
-
-/*
- * Initialise the USB PD port count, which
- * depends on which sub-board is attached.
- */
-static void board_setup_init(void)
-{
-	static struct ap_power_ev_callback cb;
-
-	ap_power_ev_init_callback(&cb, board_power_change,
-				  AP_POWER_STARTUP | AP_POWER_SHUTDOWN);
-	ap_power_ev_add_callback(&cb);
-
-	switch (nissa_get_sb_type()) {
-	default:
-		cached_usb_pd_port_count = 1;
-		break;
-
-	case NISSA_SB_C_A:
-	case NISSA_SB_C_LTE:
-		cached_usb_pd_port_count = 2;
-		break;
-	}
-}
-/*
- * Make sure setup is done after EEPROM is readable.
- */
-DECLARE_HOOK(HOOK_INIT, board_setup_init, HOOK_PRIO_INIT_I2C);
-
-int pd_check_vconn_swap(int port)
-{
-	/* Allow VCONN swaps if the AP is on. */
-	return chipset_in_state(CHIPSET_STATE_ANY_SUSPEND | CHIPSET_STATE_ON);
-}
-
-/*
- * Count of chargers depends on sub board presence.
- */
-__override uint8_t board_get_charger_chip_count(void)
-{
-	return board_get_usb_pd_port_count();
-}
-
-/*
- * Retrieve sub-board type from FW_CONFIG.
- */
-enum nissa_sub_board_type nissa_get_sb_type(void)
-{
-	static enum nissa_sub_board_type sb = NISSA_SB_UNKNOWN;
-	int ret;
-	uint32_t val;
-
-	/*
-	 * Return cached value.
-	 */
-	if (sb != NISSA_SB_UNKNOWN)
-		return sb;
-
-	sb = NISSA_SB_NONE; /* Defaults to none */
-	ret = cros_cbi_get_fw_config(FW_SUB_BOARD, &val);
-	if (ret != 0) {
-		LOG_WRN("Error retrieving CBI FW_CONFIG field %d",
-			FW_SUB_BOARD);
-		return sb;
-	}
-	switch (val) {
-	default:
-		LOG_WRN("No sub-board defined");
-		break;
-	case FW_SUB_BOARD_1:
-		sb = NISSA_SB_C_A;
-		LOG_INF("SB: USB type C, USB type A");
-		break;
-
-	case FW_SUB_BOARD_2:
-		sb = NISSA_SB_C_LTE;
-		LOG_INF("SB: USB type C, WWAN LTE");
-		break;
-
-	case FW_SUB_BOARD_3:
-		sb = NISSA_SB_HDMI_A;
-		LOG_INF("SB: HDMI, USB type A");
-		break;
-	}
-	return sb;
-}
-
-__override void ocpc_get_pid_constants(int *kp, int *kp_div, int *ki,
-				       int *ki_div, int *kd, int *kd_div)
-{
-	*kp = 1;
-	*kp_div = 32;
-	*ki = 0;
-	*ki_div = 1;
-	*kd = 0;
-	*kd_div = 1;
-}
-
-#ifdef CONFIG_PLATFORM_EC_CHARGER_SM5803
-/*
- * Called by USB-PD code to determine whether a given input voltage is
- * acceptable.
- */
-__override int pd_is_valid_input_voltage(int mv)
-{
-	int battery_voltage, rv;
-
-	rv = battery_design_voltage(&battery_voltage);
-	if (rv) {
-		LOG_ERR("Unable to get battery design voltage: %d", rv);
-		return true;
-	}
-
-	/*
-	 * SM5803 is extremely inefficient in buck-boost mode, when
-	 * VBUS ~= VSYS: very high temperatures on the chip and associated
-	 * inductor have been observed when sinking normal charge current in
-	 * buck-boost mode (but not in buck or boost mode) so we choose to
-	 * completely exclude some voltages that are likely to be problematic.
-	 *
-	 * Nissa devices use either 2S or 3S batteries, for which VBUS will
-	 * usually only be near VSYS with a 3S battery and 12V input (picked
-	 * from among common supported PD voltages)- 2S can get close to
-	 * 9V, but we expect charge current to be low when a 2S battery is
-	 * charged to that voltage (because it will be nearly full).
-	 *
-	 * We assume that any battery with a design voltage above 9V is 3S, and
-	 * that other problematic PD voltages (near to, but not exactly 12V)
-	 * will rarely occur.
-	 */
-	if (battery_voltage > 9000 && mv == 12000) {
-		return false;
-	}
-	return true;
-}
-#endif
-
-/* Trigger shutdown by enabling the Z-sleep circuit */
-__override void board_hibernate_late(void)
-{
-	gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_en_slp_z), 1);
-	/*
-	 * The system should hibernate, but there may be
-	 * a small delay, so return.
-	 */
-}