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/linux/Documentation/driver-api/memory-devices/
H A Dti-emif.rst63 - mr4 : last polled value of MR4 register in the LPDDR2 device. MR4
/linux/tools/perf/pmu-events/arch/x86/grandridge/
H A Duncore-memory.json192 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
203 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
214 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
225 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
236 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
247 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
258 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
269 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
420 "BriefDescription": "MR4 temp reading is throttling",
/linux/drivers/memory/
H A Dbrcmstb_dpfe.c63 /* DRAM MR4 Offsets & Masks */
742 u32 mr4; in show_refresh() local
754 mr4 = (readl_relaxed(info + DRAM_INFO_MR4) >> DRAM_INFO_MR4_SHIFT) & in show_refresh()
757 refresh = (mr4 >> DRAM_MR4_REFRESH) & DRAM_MR4_REFRESH_MASK; in show_refresh()
758 sr_abort = (mr4 >> DRAM_MR4_SR_ABORT) & DRAM_MR4_SR_ABORT_MASK; in show_refresh()
759 ppre = (mr4 >> DRAM_MR4_PPRE) & DRAM_MR4_PPRE_MASK; in show_refresh()
760 thermal_offs = (mr4 >> DRAM_MR4_TH_OFFS) & DRAM_MR4_TH_OFFS_MASK; in show_refresh()
761 tuf = (mr4 >> DRAM_MR4_TUF) & DRAM_MR4_TUF_MASK; in show_refresh()
832 u32 mr4, mr5, mr6, mr7, mr8, err; in show_dram() local
839 mr4 = response[MSG_ARG0 + 0] & DRAM_INFO_MR4_MASK; in show_dram()
[all …]
H A Djedec_ddr.h99 /* MR4 register fields */
105 /* MR4 SDRAM Refresh Rate field values */
H A Demif.c38 * to this EMIF - read from MR4 register. If there
136 seq_printf(s, "MR4=%d\n", emif->temperature_level); in emif_mr4_show()
148 debugfs_create_file("mr4", S_IRUGO, emif->debugfs_root, emif, in emif_debugfs_init()
449 * Reads the MR4 register of attached SDRAM parts to find out the temperature
474 /* treat everything less than nominal(3) in MR4 as nominal */ in get_temperature_level()
478 /* if we get reserved value in MR4 persist with the existing value */ in get_temperature_level()
550 "%s:NOT Extended temperature capable memory. Converting MR4=0x%02x as shutdown event\n", in handle_temp_alert()
/linux/tools/perf/pmu-events/arch/x86/sierraforest/
H A Duncore-memory.json264 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
274 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
284 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
294 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
304 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
314 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
324 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
334 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
473 "BriefDescription": "MR4 temp reading is throttling",
/linux/tools/perf/pmu-events/arch/x86/graniterapids/
H A Duncore-memory.json304 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
314 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
324 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
334 "BriefDescription": "# of cycles MR4 temp readings forced 2x refresh",
344 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
354 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
364 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
374 "BriefDescription": "# of cycles MR4 MRRs was triggered/running",
513 "BriefDescription": "MR4 temp reading is throttling",
/linux/include/linux/platform_data/
H A Demif_plat.h80 * @temp_alert_poll_interval_ms: LPDDR2 MR4 polling interval at nominal
/linux/drivers/media/i2c/
H A Dadv7170.c130 0x04, 0x30, /* MR4 */
159 0x04, 0x30, /* MR4 */