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/*
* coreboot UEFI PEI wrapper
*
* Copyright (c) 2011, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Google Inc. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PEI_DATA_H
#define PEI_DATA_H
#include <stdint.h>
typedef struct {
uint16_t mode; // 0: Disable, 1: Enable, 2: Auto, 3: Smart Auto
uint16_t hs_port_switch_mask; // 4 bit mask, 1: switchable, 0: not switchable
uint16_t preboot_support; // 0: No xHCI preOS driver, 1: xHCI preOS driver
uint16_t xhci_streams; // 0: Disable, 1: Enable
} pch_usb3_controller_settings;
typedef void (*tx_byte_func)(unsigned char byte);
#define PEI_VERSION 6
struct pei_data
{
uint32_t pei_version;
uint32_t mchbar;
uint32_t dmibar;
uint32_t epbar;
uint32_t pciexbar;
uint16_t smbusbar;
uint32_t wdbbar;
uint32_t wdbsize;
uint32_t hpet_address;
uint32_t rcba;
uint32_t pmbase;
uint32_t gpiobase;
uint32_t thermalbase;
uint32_t system_type; // 0 Mobile, 1 Desktop/Server
uint32_t tseg_size;
uint8_t spd_addresses[4];
uint8_t ts_addresses[4];
int boot_mode;
int ec_present;
int gbe_enable;
// 0 = leave channel enabled
// 1 = disable dimm 0 on channel
// 2 = disable dimm 1 on channel
// 3 = disable dimm 0+1 on channel
int dimm_channel0_disabled;
int dimm_channel1_disabled;
/* Seed values saved in CMOS */
uint32_t scrambler_seed;
uint32_t scrambler_seed_s3;
/* Data read from flash and passed into MRC */
unsigned char *mrc_input;
unsigned int mrc_input_len;
/* Data from MRC that should be saved to flash */
unsigned char *mrc_output;
unsigned int mrc_output_len;
/*
* Max frequency DDR3 could be ran at. Could be one of four values:
* 800, 1067, 1333, 1600
*/
uint32_t max_ddr3_freq;
/*
* USB Port Configuration:
* [0] = enable
* [1] = overcurrent pin
* [2] = length
*
* Ports 0-7 can be mapped to OC0-OC3
* Ports 8-13 can be mapped to OC4-OC7
*
* Port Length
* MOBILE:
* < 0x050 = Setting 1 (back panel, 1-5in, lowest tx amplitude)
* < 0x140 = Setting 2 (back panel, 5-14in, highest tx amplitude)
* DESKTOP:
* < 0x080 = Setting 1 (front/back panel, <8in, lowest tx amplitude)
* < 0x130 = Setting 2 (back panel, 8-13in, higher tx amplitude)
* < 0x150 = Setting 3 (back panel, 13-15in, highest tx amplitude)
*/
uint16_t usb_port_config[16][3];
/* See the usb3 struct above for details */
pch_usb3_controller_settings usb3;
/* SPD data array for onboard RAM.
* spd_data [1..3] are ignored, instead the "dimm_channel{0,1}_disabled"
* flag and the spd_addresses are used to determine which DIMMs should
* use the SPD from spd_data[0].
*/
uint8_t spd_data[4][256];
tx_byte_func tx_byte;
int ddr3lv_support;
/* pcie_init needs to be set to 1 to have the system agent initialize
* PCIe. Note: This should only be required if your system has Gen3 devices
* and it will increase your boot time by at least 100ms.
*/
int pcie_init;
/* N mode functionality. Leave this setting at 0.
* 0 Auto
* 1 1N
* 2 2N
*/
int nmode;
/* DDR refresh rate config. JEDEC Standard No.21-C Annex K allows
* for DIMM SPD data to specify whether double-rate is required for
* extended operating temperature range.
* 0 Enable double rate based upon temperature thresholds
* 1 Normal rate
* 2 Always enable double rate
*/
int ddr_refresh_rate_config;
} __packed;
#endif
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