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/*
* From Coreboot soc/intel/broadwell/include/soc/pei_data.h
*
* Copyright (C) 2014 Google Inc.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ASM_ARCH_PEI_DATA_H
#define ASM_ARCH_PEI_DATA_H
#include <linux/linkage.h>
#define PEI_VERSION 22
typedef void asmlinkage (*tx_byte_func)(unsigned char byte);
enum board_type {
BOARD_TYPE_CRB_MOBILE = 0, /* CRB Mobile */
BOARD_TYPE_CRB_DESKTOP, /* CRB Desktop */
BOARD_TYPE_USER1, /* SV mobile */
BOARD_TYPE_USER2, /* SV desktop */
BOARD_TYPE_USER3, /* SV server */
BOARD_TYPE_ULT, /* ULT */
BOARD_TYPE_CRB_EMBDEDDED, /* CRB Embedded */
BOARD_TYPE_UNKNOWN,
};
#define MAX_USB2_PORTS 14
#define MAX_USB3_PORTS 6
#define USB_OC_PIN_SKIP 8
enum usb2_port_location {
USB_PORT_BACK_PANEL = 0,
USB_PORT_FRONT_PANEL,
USB_PORT_DOCK,
USB_PORT_MINI_PCIE,
USB_PORT_FLEX,
USB_PORT_INTERNAL,
USB_PORT_SKIP,
USB_PORT_NGFF_DEVICE_DOWN,
};
struct usb2_port_setting {
/*
* Usb Port Length:
* [16:4] = length in inches in octal format
* [3:0] = decimal point
*/
uint16_t length;
uint8_t enable;
uint8_t oc_pin;
uint8_t location;
} __packed;
struct usb3_port_setting {
uint8_t enable;
uint8_t oc_pin;
/*
* Set to 0 if trace length is > 5 inches
* Set to 1 if trace length is <= 5 inches
*/
uint8_t fixed_eq;
} __packed;
struct pei_data {
uint32_t pei_version;
enum board_type board_type;
int boot_mode;
int ec_present;
int usbdebug;
/* Base addresses */
uint32_t pciexbar;
uint16_t smbusbar;
uint32_t xhcibar;
uint32_t ehcibar;
uint32_t gttbar;
uint32_t rcba;
uint32_t pmbase;
uint32_t gpiobase;
uint32_t temp_mmio_base;
uint32_t tseg_size;
/*
* 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;
/* Set to 0 for memory down */
uint8_t spd_addresses[4];
/* Enable 2x Refresh Mode */
int ddr_refresh_2x;
/* DQ pins are interleaved on board */
int dq_pins_interleaved;
/* Limit DDR3 frequency */
int max_ddr3_freq;
/* Disable self refresh */
int disable_self_refresh;
/* Disable cmd power/CKEPD */
int disable_cmd_pwr;
/* USB port configuration */
struct usb2_port_setting usb2_ports[MAX_USB2_PORTS];
struct usb3_port_setting usb3_ports[MAX_USB3_PORTS];
/*
* USB3 board specific PHY tuning
*/
/* Valid range: 0x69 - 0x80 */
uint8_t usb3_txout_volt_dn_amp_adj[MAX_USB3_PORTS];
/* Valid range: 0x80 - 0x9c */
uint8_t usb3_txout_imp_sc_volt_amp_adj[MAX_USB3_PORTS];
/* Valid range: 0x39 - 0x80 */
uint8_t usb3_txout_de_emp_adj[MAX_USB3_PORTS];
/* Valid range: 0x3d - 0x4a */
uint8_t usb3_txout_imp_adj_volt_amp[MAX_USB3_PORTS];
/* Console output function */
tx_byte_func tx_byte;
/*
* DIMM SPD data for memory down configurations
* [CHANNEL][SLOT][SPD]
*/
uint8_t spd_data[2][2][512];
/*
* LPDDR3 DQ byte map
* [CHANNEL][ITERATION][2]
*
* Maps which PI clocks are used by what LPDDR DQ Bytes (from CPU side)
* DQByteMap[0] - ClkDQByteMap:
* - If clock is per rank, program to [0xFF, 0xFF]
* - If clock is shared by 2 ranks, program to [0xFF, 0] or [0, 0xFF]
* - If clock is shared by 2 ranks but does not go to all bytes,
* Entry[i] defines which DQ bytes Group i services
* DQByteMap[1] - CmdNDQByteMap: [0] is CmdN/CAA and [1] is CmdN/CAB
* DQByteMap[2] - CmdSDQByteMap: [0] is CmdS/CAA and [1] is CmdS/CAB
* DQByteMap[3] - CkeDQByteMap : [0] is CKE /CAA and [1] is CKE /CAB
* For DDR, DQByteMap[3:1] = [0xFF, 0]
* DQByteMap[4] - CtlDQByteMap : Always program to [0xFF, 0]
* since we have 1 CTL / rank
* DQByteMap[5] - CmdVDQByteMap: Always program to [0xFF, 0]
* since we have 1 CA Vref
*/
uint8_t dq_map[2][6][2];
/*
* LPDDR3 Map from CPU DQS pins to SDRAM DQS pins
* [CHANNEL][MAX_BYTES]
*/
uint8_t dqs_map[2][8];
/* Data read from flash and passed into MRC */
const void *saved_data;
int saved_data_size;
/* Disable use of saved data (can be set by mainboard) */
int disable_saved_data;
/* Data from MRC that should be saved to flash */
void *data_to_save;
int data_to_save_size;
struct pei_memory_info meminfo;
} __packed;
void mainboard_fill_pei_data(struct pei_data *pei_data);
void broadwell_fill_pei_data(struct pei_data *pei_data);
#endif
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