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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010-2017 Advanced Micro Devices, Inc.
*
* 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.
*/
#ifndef __STONEYRIDGE_CHIP_H__
#define __STONEYRIDGE_CHIP_H__
#include <stddef.h>
#include <stdint.h>
#include <commonlib/helpers.h>
#include <drivers/i2c/designware/dw_i2c.h>
#include <soc/i2c.h>
#include <arch/acpi_device.h>
#define MAX_NODES 1
#if CONFIG(AMD_APU_MERLINFALCON)
#define MAX_DRAM_CH 2
#define MAX_DIMMS_PER_CH 2
#else /* AMD_APU_STONEYRIDGE || AMD_APU_PRAIRIEFALCON */
#define MAX_DRAM_CH 1
#define MAX_DIMMS_PER_CH 2
#endif
#define STONEY_I2C_DEV_MAX 4
struct soc_amd_stoneyridge_config {
u8 spd_addr_lookup[MAX_NODES][MAX_DRAM_CH][MAX_DIMMS_PER_CH];
enum {
DRAM_CONTENTS_KEEP,
DRAM_CONTENTS_CLEAR
} dram_clear_on_reset;
enum {
/* Do not enable UMA in the system. */
UMAMODE_NONE,
/* Enable UMA with a specific size. */
UMAMODE_SPECIFIED_SIZE,
/* Let AGESA determine the proper size. Non-legacy requires
* the resolution to be specified PLATFORM_CONFIGURATION */
UMAMODE_AUTO_LEGACY,
UMAMODE_AUTO_NON_LEGACY,
} uma_mode;
/* Used if UMAMODE_SPECIFIED_SIZE is set. */
size_t uma_size;
/*
* If sb_reset_i2c_slaves() is called, this devicetree register
* defines which I2C SCL will be toggled 9 times at 100 KHz.
* For example, should we need I2C0 and I2C3 have their slave
* devices reseted by toggling SCL, use:
*
* register i2c_scl_reset = (GPIO_I2C0_SCL | GPIO_I2C3_SCL)
*/
u8 i2c_scl_reset;
struct dw_i2c_bus_config i2c[STONEY_I2C_DEV_MAX];
u8 stapm_percent;
u32 stapm_time_ms;
u32 stapm_power_mw;
/*
* This specifies the LVDS/eDP power-up sequence time for the delay
* between VaryBL and BLON.
* 0 - Use the VBIOS default (default). The video BIOS default is 32ms.
* n - Values other than zero specify a setting of (4 * n) milliseconds
* time delay.
*/
u8 lvds_poseq_varybl_to_blon;
u8 lvds_poseq_blon_to_varybl;
};
typedef struct soc_amd_stoneyridge_config config_t;
extern struct device_operations pci_domain_ops;
#endif /* __STONEYRIDGE_CHIP_H__ */