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/* Copyright 2022 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.
*/
#include "common.h"
#include "console.h"
#include "gpio.h"
#include "i2c.h"
#include "intelrvp.h"
#include "intel_rvp_board_id.h"
#include "keyboard_raw.h"
#include "power/meteorlake.h"
#define CPRINTF(format, args...) cprintf(CC_COMMAND, format, ## args)
#define CPRINTS(format, args...) cprints(CC_COMMAND, format, ## args)
/******************************************************************************/
/* KSO mapping for discrete keyboard */
__override const uint8_t it8801_kso_mapping[] = {
0, 1, 20, 3, 4, 5, 6, 11, 12, 13, 14, 15, 16,
};
BUILD_ASSERT(ARRAY_SIZE(it8801_kso_mapping) == KEYBOARD_COLS_MAX);
/* PWROK signal configuration */
/*
* On MTLRVP, SYS_PWROK_EC is an output controlled by EC and uses ALL_SYS_PWRGD
* as input.
*/
const struct intel_x86_pwrok_signal pwrok_signal_assert_list[] = {
{
.gpio = GPIO_PCH_SYS_PWROK,
.delay_ms = 3,
},
};
const int pwrok_signal_assert_count = ARRAY_SIZE(pwrok_signal_assert_list);
const struct intel_x86_pwrok_signal pwrok_signal_deassert_list[] = {
{
.gpio = GPIO_PCH_SYS_PWROK,
},
};
const int pwrok_signal_deassert_count = ARRAY_SIZE(pwrok_signal_deassert_list);
/*
* Returns board information (board id[7:0] and Fab id[15:8]) on success
* -1 on error.
*/
__override int board_get_version(void)
{
/* Cache the MTLRVP board ID */
static int mtlrvp_board_id;
int i;
int rv = EC_ERROR_UNKNOWN;
int fab_id, board_id, bom_id;
/* Board ID is already read */
if (mtlrvp_board_id)
return mtlrvp_board_id;
/*
* IOExpander that has Board ID information is on DSW-VAL rail on
* ADL RVP. On cold boot cycles, DSW-VAL rail is taking time to settle.
* This loop retries to ensure rail is settled and read is successful
*/
for (i = 0; i < RVP_VERSION_READ_RETRY_CNT; i++) {
rv = gpio_pin_get_dt(&bom_id_config[0]);
if (rv >= 0)
break;
k_msleep(1);
}
/* return -1 if failed to read board id */
if (rv)
return -1;
/*
* BOM ID [2] : IOEX[0]
* BOM ID [1:0] : IOEX[15:14]
*/
bom_id = gpio_pin_get_dt(&bom_id_config[0]) << 2;
bom_id |= gpio_pin_get_dt(&bom_id_config[1]) << 1;
bom_id |= gpio_pin_get_dt(&bom_id_config[2]);
/*
* FAB ID [1:0] : IOEX[2:1] + 1
*/
fab_id = gpio_pin_get_dt(&fab_id_config[0]) << 1;
fab_id |= gpio_pin_get_dt(&fab_id_config[1]);
fab_id += 1;
/*
* BOARD ID[5:0] : IOEX[13:8]
*/
board_id = gpio_pin_get_dt(&board_id_config[0]) << 5;
board_id |= gpio_pin_get_dt(&board_id_config[1]) << 4;
board_id |= gpio_pin_get_dt(&board_id_config[2]) << 3;
board_id |= gpio_pin_get_dt(&board_id_config[3]) << 2;
board_id |= gpio_pin_get_dt(&board_id_config[4]) << 1;
board_id |= gpio_pin_get_dt(&board_id_config[5]);
CPRINTF("BID:0x%x, FID:0x%x, BOM:0x%x", board_id, fab_id, bom_id);
mtlrvp_board_id = board_id | (fab_id << 8);
return mtlrvp_board_id;
}
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