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