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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Intel Corp.
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#ifndef _SOC_APOLLOLAKE_CHIP_H_
#define _SOC_APOLLOLAKE_CHIP_H_
#include <soc/gpio.h>
#include <soc/intel/common/lpss_i2c.h>
#include <device/i2c.h>
#define CLKREQ_DISABLED 0xf
#define APOLLOLAKE_I2C_DEV_MAX 8
struct apollolake_i2c_config {
/* Bus should be enabled prior to ramstage with temporary base */
int early_init;
/* Bus speed in Hz, default is I2C_SPEED_FAST (400 KHz) */
enum i2c_speed speed;
/* Specific bus speed configuration */
struct lpss_i2c_speed_config speed_config[LPSS_I2C_SPEED_CONFIG_COUNT];
};
/* Serial IRQ control. SERIRQ_QUIET is the default (0). */
enum serirq_mode {
SERIRQ_QUIET,
SERIRQ_CONTINUOUS,
SERIRQ_OFF,
};
struct soc_intel_apollolake_config {
/*
* Mapping from PCIe root port to CLKREQ input on the SOC. The SOC has
* four CLKREQ inputs, but six root ports. Root ports without an
* associated CLKREQ signal must be marked with "CLKREQ_DISABLED"
*/
uint8_t pcie_rp0_clkreq_pin;
uint8_t pcie_rp1_clkreq_pin;
uint8_t pcie_rp2_clkreq_pin;
uint8_t pcie_rp3_clkreq_pin;
uint8_t pcie_rp4_clkreq_pin;
uint8_t pcie_rp5_clkreq_pin;
/* [14:8] DDR mode Number of dealy elements.Each = 125pSec.
* [6:0] SDR mode Number of dealy elements.Each = 125pSec.
*/
uint32_t emmc_tx_cmd_cntl;
/* [14:8] HS400 mode Number of dealy elements.Each = 125pSec.
* [6:0] SDR104/HS200 mode Number of dealy elements.Each = 125pSec.
*/
uint32_t emmc_tx_data_cntl1;
/* [30:24] SDR50 mode Number of dealy elements.Each = 125pSec.
* [22:16] DDR50 mode Number of dealy elements.Each = 125pSec.
* [14:8] SDR25/HS50 mode Number of dealy elements.Each = 125pSec.
* [6:0] SDR12/Compatibility mode Number of dealy elements.Each = 125pSec.
*/
uint32_t emmc_tx_data_cntl2;
/* [30:24] SDR50 mode Number of dealy elements.Each = 125pSec.
* [22:16] DDR50 mode Number of dealy elements.Each = 125pSec.
* [14:8] SDR25/HS50 mode Number of dealy elements.Each = 125pSec.
* [6:0] SDR12/Compatibility mode Number of dealy elements.Each = 125pSec.
*/
uint32_t emmc_rx_cmd_data_cntl1;
/* [14:8] HS400 mode 1 Number of dealy elements.Each = 125pSec.
* [6:0] HS400 mode 2 Number of dealy elements.Each = 125pSec.
*/
uint32_t emmc_rx_strobe_cntl;
/* [13:8] Auto Tuning mode Number of dealy elements.Each = 125pSec.
* [6:0] SDR104/HS200 Number of dealy elements.Each = 125pSec.
*/
uint32_t emmc_rx_cmd_data_cntl2;
/* Configure serial IRQ (SERIRQ) line. */
enum serirq_mode serirq_mode;
/* Integrated Sensor Hub */
uint8_t integrated_sensor_hub_enable;
/* I2C bus configuration */
struct apollolake_i2c_config i2c[APOLLOLAKE_I2C_DEV_MAX];
};
#endif /* _SOC_APOLLOLAKE_CHIP_H_ */
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