vr_config.h

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/* 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. */
        bool vr_config_enable;
 
        /* AC and DC Loadline.
           They are in 1/100 mOhms (ie. 1250 = 12.50 mOhms) and range is 0-6249. */
        uint16_t ac_loadline;
        uint16_t dc_loadline;
 
        /* VR Icc Max limit.
           Range is from 0-255A in 1/4 A units (400 = 100A). */
        uint16_t icc_max;
 
        /* Thermal Design Current time window.
           Defined in milli seconds and range 1ms to 448s. */
        uint32_t tdc_timewindow;
 
        /* Thermal Design Current current limit.
           Defined in 1/8A units and range is 0-4095. 1000 = 125A. */
        uint16_t tdc_currentlimit;
};
 
#define VR_CFG_AMP(i) (uint16_t)((i) * 4)
#define VR_CFG_MOHMS(i) (uint16_t)((i) * 100)
#define VR_CFG_TDC_AMP(i) (uint16_t)((i) * 8)
 
/* VrConfig Settings for 4 domains
 * 0 = IA core, 1 = GT
 */
enum vr_domain {
        VR_DOMAIN_IA,
        VR_DOMAIN_GT,
        NUM_VR_DOMAINS
};
 
#define VR_CFG_ALL_DOMAINS_LOADLINE(ia, gt)             \
        {                                               \
                [VR_DOMAIN_IA] = VR_CFG_MOHMS(ia),      \
                [VR_DOMAIN_GT] = VR_CFG_MOHMS(gt),      \
        }
 
#define VR_CFG_ALL_DOMAINS_ICC(ia, gt)                  \
        {                                               \
                [VR_DOMAIN_IA] = VR_CFG_AMP(ia),        \
                [VR_DOMAIN_GT] = VR_CFG_AMP(gt),        \
        }
 
#define VR_CFG_ALL_DOMAINS_TDC(ia, gt)  \
        {                               \
                [VR_DOMAIN_IA] = ia,    \
                [VR_DOMAIN_GT] = gt,    \
        }
 
#define VR_CFG_ALL_DOMAINS_TDC_CURRENT(ia, gt)          \
        {                                               \
                [VR_DOMAIN_IA] = VR_CFG_TDC_AMP(ia),    \
                [VR_DOMAIN_GT] = VR_CFG_TDC_AMP(gt),    \
        }
 
void fill_vr_domain_config(FSP_S_CONFIG *s_cfg, int domain, const struct vr_config *cfg);
#endif