coreboot-libre-fam15h-rdimm/3rdparty/chromeec/board/tglrvpu_ite/board.c

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2024-03-04 11:14:53 +01:00
/* Copyright 2019 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.
*/
/* Intel TGL-U-RVP-ITE board-specific configuration */
#include "button.h"
#include "extpower.h"
#include "i2c.h"
#include "intc.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "switch.h"
#include "system.h"
#include "tablet_mode.h"
#include "uart.h"
#include "gpio_list.h"
#define CPRINTS(format, args...) cprints(CC_COMMAND, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_COMMAND, format, ## args)
/* TCPC gpios */
const struct tcpc_gpio_config_t tcpc_gpios[] = {
[TYPE_C_PORT_0] = {
.vbus = {
.pin = GPIO_USB_C0_VBUS_INT,
.pin_pol = 1,
},
.src = {
.pin = GPIO_USB_C0_SRC_EN,
.pin_pol = 1,
},
.snk = {
.pin = GPIO_USB_C0_SNK_EN_L,
.pin_pol = 0,
},
.vconn = {
.cc1_pin = GPIO_USB_C0_CC1_VCONN_EN,
.cc2_pin = GPIO_USB_C0_CC2_VCONN_EN,
.pin_pol = 1,
},
.src_ilim = {
.pin = GPIO_USB_C0_SRC_HI_ILIM,
.pin_pol = 1,
},
},
[TYPE_C_PORT_1] = {
.vbus = {
.pin = GPIO_USB_C1_VBUS_INT,
.pin_pol = 1,
},
.src = {
.pin = GPIO_USB_C1_SRC_EN,
.pin_pol = 1,
},
.snk = {
.pin = GPIO_USB_C1_SNK_EN_L,
.pin_pol = 0,
},
.vconn = {
.cc1_pin = GPIO_USB_C1_CC1_VCONN_EN,
.cc2_pin = GPIO_USB_C1_CC2_VCONN_EN,
.pin_pol = 1,
},
.src_ilim = {
.pin = GPIO_USB_C1_SRC_HI_ILIM,
.pin_pol = 1,
},
},
};
BUILD_ASSERT(ARRAY_SIZE(tcpc_gpios) == CONFIG_USB_PD_PORT_COUNT);
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
/* Flash EC */
[I2C_CHAN_FLASH] = {
.name = "chan-A",
.port = IT83XX_I2C_CH_A,
.kbps = 100,
.scl = GPIO_I2C_A_SCL,
.sda = GPIO_I2C_A_SDA,
},
/*
* Port-80 Display, Charger, Battery, IO-expanders, EEPROM,
* IMVP9, AUX-rail, power-monitor.
*/
[I2C_CHAN_BATT_CHG] = {
.name = "batt_chg",
.port = IT83XX_I2C_CH_B,
.kbps = 100,
.scl = GPIO_I2C_B_SCL,
.sda = GPIO_I2C_B_SDA,
},
/* Retimers, PDs */
[I2C_CHAN_RETIMER] = {
.name = "retimer",
.port = IT83XX_I2C_CH_E,
.kbps = 100,
.scl = GPIO_I2C_E_SCL,
.sda = GPIO_I2C_E_SDA,
},
};
BUILD_ASSERT(ARRAY_SIZE(i2c_ports) == I2C_CHAN_COUNT);
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/*
* Returns board information (board id[7:0] and Fab id[15:8]) on success
* -1 on error.
*/
int board_get_version(void)
{
int port0, port1;
int fab_id, board_id, bom_id;
if (ioexpander_read_intelrvp_version(&port0, &port1))
return -1;
/*
* Port0: bit 0 - BOM ID(2)
* bit 2:1 - FAB ID(1:0) + 1
* Port1: bit 7:6 - BOM ID(1:0)
* bit 5:0 - BOARD ID(5:0)
*/
bom_id = ((port1 & 0xC0) >> 6) | ((port0 & 0x01) << 2);
fab_id = ((port0 & 0x06) >> 1) + 1;
board_id = port1 & 0x3F;
CPRINTS("BID:0x%x, FID:0x%x, BOM:0x%x", board_id, fab_id, bom_id);
return board_id | (fab_id << 8);
}