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/*
* Copyright (c) 2011, Google Inc.
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef ASM_ARCH_PEI_DATA_H
#define ASM_ARCH_PEI_DATA_H
#include <linux/linkage.h>
struct pch_usb3_controller_settings {
/* 0: Disable, 1: Enable, 2: Auto, 3: Smart Auto */
uint16_t mode;
/* 4 bit mask, 1: switchable, 0: not switchable */
uint16_t hs_port_switch_mask;
/* 0: No xHCI preOS driver, 1: xHCI preOS driver */
uint16_t preboot_support;
/* 0: Disable, 1: Enable */
uint16_t xhci_streams;
};
typedef asmlinkage void (*tx_byte_func)(unsigned char byte);
#define PEI_VERSION 6
struct __packed 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, higest tx amplitude)
*/
uint16_t usb_port_config[16][3];
/* See the usb3 struct above for details */
struct pch_usb3_controller_settings usb3;
/*
* SPD data array for onboard RAM. Specify address 0xf0,
* 0xf1, 0xf2, 0xf3 to index one of the 4 slots in
* spd_address for a given "DIMM".
*/
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 initialise
* 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;
};
#endif
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