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/*
* This file is part of the coreboot project.
*
* Copyright 2019 Google LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU General Public License for more details.
*/
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <boardid.h>
#include <gpio.h>
#include <soc/gpio.h>
enum {
SKU_1_2A2C = 1,
SKU_9_HDMI = 9,
SKU_17_LTE = 17,
SKU_18_LTE_TS = 18,
SKU_37_2A2C_360 = 37,
};
static const struct pad_config default_override_table[] = {
PAD_NC(GPIO_104, UP_20K),
/* EN_PP3300_TOUCHSCREEN */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0,
DISPUPD),
PAD_NC(GPIO_213, DN_20K),
};
static const struct pad_config hdmi_override_table[] = {
PAD_NC(GPIO_104, UP_20K),
/* HV_DDI1_DDC_SDA */
PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_126, NONE, DEEP, NF1, HIZCRx1,
DISPUPD),
/* HV_DDI1_DDC_SCL */
PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_127, NONE, DEEP, NF1, HIZCRx1,
DISPUPD),
/* EN_PP3300_TOUCHSCREEN */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0,
DISPUPD),
PAD_NC(GPIO_213, DN_20K),
};
static const struct pad_config lte_override_table[] = {
/* Default override table. */
PAD_NC(GPIO_104, UP_20K),
/* EN_PP3300_TOUCHSCREEN */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0,
DISPUPD),
PAD_NC(GPIO_213, DN_20K),
/* Be specific to LTE SKU */
/* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */
PAD_CFG_GPO(GPIO_67, 1, PWROK),
/* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */
PAD_CFG_GPO(GPIO_117, 1, PWROK),
/* AVS_I2S1_MCLK -- PLT_RST_LTE_L */
PAD_CFG_GPO(GPIO_161, 1, DEEP),
};
const struct pad_config *variant_override_gpio_table(size_t *num)
{
uint32_t sku_id;
sku_id = get_board_sku();
switch (sku_id) {
case SKU_9_HDMI:
*num = ARRAY_SIZE(hdmi_override_table);
return hdmi_override_table;
case SKU_17_LTE:
case SKU_18_LTE_TS:
*num = ARRAY_SIZE(lte_override_table);
return lte_override_table;
default:
*num = ARRAY_SIZE(default_override_table);
return default_override_table;
}
}
static const struct pad_config lte_early_override_table[] = {
/* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */
PAD_CFG_GPO(GPIO_67, 1, PWROK),
/* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */
PAD_CFG_GPO(GPIO_117, 1, PWROK),
/* AVS_I2S1_MCLK -- PLT_RST_LTE_L */
PAD_CFG_GPO(GPIO_161, 0, DEEP),
};
const struct pad_config *variant_early_override_gpio_table(size_t *num)
{
*num = ARRAY_SIZE(lte_early_override_table);
return lte_early_override_table;
}
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