vr_config.h

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
/* VR Settings for each domain */
 
#ifndef _SOC_VR_CONFIG_H_
#define _SOC_VR_CONFIG_H_
 
#include <fsp/api.h>
 
struct vr_config {
 
        /*
         * The below settings will take effect when this is set to 1
         * for that domain.
         */
        int vr_config_enable;
 
        /* Power State X current cutoff in 1/4 Amp increments
         * Range is 0-128A
         */
        int psi1threshold;
        int psi2threshold;
        int psi3threshold;
 
        /* Enable power state 3/4 for different domains */
        int psi3enable;
        int psi4enable;
 
        /*
         * Imon slope correction. Specified in 1/100 increment
         * values. Range is 0-200. 125 = 1.25
         */
        int imon_slope;
 
        /*
         * Imon offset correction. Units 1/4, Range 0-255.
         * Value of 100 = 100/4 = 25 offset.
         */
        int imon_offset;
 
        /* VR Icc Max limit. 0-255A in 1/4 A units. 400 = 100A */
        int icc_max;
 
        /* VR Voltage Limit. Range is 0-7999mV */
        int voltage_limit;
 
        /* AC and DC Loadline in 1/100 mOhms. Range is 0-6249 */
        int ac_loadline;
        int dc_loadline;
};
 
#define VR_CFG_AMP(i) ((i) * 4)
#define VR_CFG_MOHMS(i) (uint16_t)((i) * 100)
 
/* VrConfig Settings for 4 domains
 * 0 = System Agent, 1 = IA Core,
 * 2 = GT unsliced,  3 = GT sliced
 */
enum vr_domain {
        VR_SYSTEM_AGENT,
        VR_IA_CORE,
        VR_GT_UNSLICED,
        VR_GT_SLICED,
        NUM_VR_DOMAINS
};
 
#define VR_CFG_ALL_DOMAINS_ICC(sa, ia, gt_unsl, gt_sl)  \
        {                                                       \
                [VR_SYSTEM_AGENT] = VR_CFG_AMP(sa),             \
                [VR_IA_CORE]      = VR_CFG_AMP(ia),             \
                [VR_GT_UNSLICED]  = VR_CFG_AMP(gt_unsl),        \
                [VR_GT_SLICED]    = VR_CFG_AMP(gt_sl),          \
        }
 
#define VR_CFG_ALL_DOMAINS_LOADLINE(sa, ia, gt_unsl, gt_sl)     \
        {                                                       \
                [VR_SYSTEM_AGENT] = VR_CFG_MOHMS(sa),           \
                [VR_IA_CORE]      = VR_CFG_MOHMS(ia),           \
                [VR_GT_UNSLICED]  = VR_CFG_MOHMS(gt_unsl),      \
                [VR_GT_SLICED]    = VR_CFG_MOHMS(gt_sl),        \
        }
 
void fill_vr_domain_config(void *params,
                        int domain, const struct vr_config *cfg);
#endif