Tristan Hsieh has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/32397 )
Change subject: mediatek: Set CPU frequency to 1989MHz ......................................................................
Patch Set 1:
==== CPU 1100MHz ==== 55 entries total:
0:1st timestamp 9 17:starting LZ4 decompress (ignore for x86) 5,446 (5,437) 18:finished LZ4 decompress (ignore for x86) 9,598 (4,152) 17:starting LZ4 decompress (ignore for x86) 36,708 (27,110) 18:finished LZ4 decompress (ignore for x86) 36,989 (281) 5:start of verified boot 37,217 (228) 503:starting to initialize TPM 37,944 (727) 504:finished TPM initialization 77,784 (39,840) 505:starting to verify keyblock/preamble (RSA) 78,586 (802) 506:finished verifying keyblock/preamble (RSA) 114,445 (35,859) 507:starting to verify body (load+SHA2+RSA) 114,858 (413) 508:finished loading body (ignore for x86) 279,096 (164,238) 509:finished calculating body hash (SHA2) 287,437 (8,341) 510:finished verifying body signature (RSA) 293,233 (5,796) 511:starting TPM PCR extend 293,234 (1) 512:finished TPM PCR extend 308,069 (14,835) 513:starting locking TPM 308,070 (1) 514:finished locking TPM 316,032 (7,962) 6:end of verified boot 316,034 (2) 13:starting to load romstage 316,098 (64) 17:starting LZ4 decompress (ignore for x86) 345,578 (29,480) 18:finished LZ4 decompress (ignore for x86) 345,892 (314) 14:finished loading romstage 346,150 (258) 1:start of romstage 346,151 (1) 15:starting LZMA decompress (ignore for x86) 356,878 (10,727) 16:finished LZMA decompress (ignore for x86) 356,908 (30) 4:end of romstage 718,245 (361,337) 8:starting to load ramstage 718,357 (112) 15:starting LZMA decompress (ignore for x86) 740,377 (22,020) 16:finished LZMA decompress (ignore for x86) 748,846 (8,469) 9:finished loading ramstage 748,894 (48) 550:starting to load Chrome OS VPD 748,904 (10) 10:start of ramstage 750,020 (1,116) 30:device enumeration 750,029 (9) 40:device configuration 750,061 (32) 50:device enable 750,122 (61) 60:device initialization 750,128 (6) 70:device setup done 754,726 (4,598) 75:cbmem post 754,732 (6) 80:write tables 754,738 (6) 85:finalize chips 755,349 (611) 90:load payload 763,982 (8,633) 15:starting LZMA decompress (ignore for x86) 816,112 (52,130) 16:finished LZMA decompress (ignore for x86) 835,682 (19,570) 99:selfboot jump 841,732 (6,050) 15:starting LZMA decompress (ignore for x86) 856,851 (15,119) 16:finished LZMA decompress (ignore for x86) 862,614 (5,763) 1000:depthcharge start 1,650,897 (788,283) 1002:RO vboot init 1,650,917 (20) 1020:vboot select&load kernel 1,655,786 (4,869) 1030:finished EC verification 1,728,870 (73,084) 1040:finished storage device initialization 2,249,038 (520,168) 1050:finished reading kernel from disk 2,343,292 (94,254) 1100:finished vboot kernel verification 2,588,244 (244,952) 1102:starting kernel decompression/relocation 2,597,520 (9,276) 1101:jumping to kernel 2,661,734 (64,214)
Total Time: 2,661,725
==== CPU 1417MHz ==== 55 entries total:
0:1st timestamp 9 17:starting LZ4 decompress (ignore for x86) 5,446 (5,437) 18:finished LZ4 decompress (ignore for x86) 9,596 (4,150) 17:starting LZ4 decompress (ignore for x86) 36,276 (26,680) 18:finished LZ4 decompress (ignore for x86) 36,500 (224) 5:start of verified boot 36,724 (224) 503:starting to initialize TPM 37,435 (711) 504:finished TPM initialization 77,239 (39,804) 505:starting to verify keyblock/preamble (RSA) 78,027 (788) 506:finished verifying keyblock/preamble (RSA) 107,213 (29,186) 507:starting to verify body (load+SHA2+RSA) 107,618 (405) 508:finished loading body (ignore for x86) 269,813 (162,195) 509:finished calculating body hash (SHA2) 276,314 (6,501) 510:finished verifying body signature (RSA) 280,877 (4,563) 511:starting TPM PCR extend 280,877 (0) 512:finished TPM PCR extend 295,777 (14,900) 513:starting locking TPM 295,778 (1) 514:finished locking TPM 303,712 (7,934) 6:end of verified boot 303,713 (1) 13:starting to load romstage 303,775 (62) 17:starting LZ4 decompress (ignore for x86) 332,840 (29,065) 18:finished LZ4 decompress (ignore for x86) 333,095 (255) 14:finished loading romstage 333,352 (257) 1:start of romstage 333,352 (0) 15:starting LZMA decompress (ignore for x86) 343,969 (10,617) 16:finished LZMA decompress (ignore for x86) 343,992 (23) 4:end of romstage 704,090 (360,098) 8:starting to load ramstage 704,200 (110) 15:starting LZMA decompress (ignore for x86) 725,957 (21,757) 16:finished LZMA decompress (ignore for x86) 732,531 (6,574) 9:finished loading ramstage 732,574 (43) 550:starting to load Chrome OS VPD 732,582 (8) 10:start of ramstage 733,674 (1,092) 30:device enumeration 733,681 (7) 40:device configuration 733,706 (25) 50:device enable 733,754 (48) 60:device initialization 733,759 (5) 70:device setup done 738,255 (4,496) 75:cbmem post 738,259 (4) 80:write tables 738,265 (6) 85:finalize chips 738,853 (588) 90:load payload 747,520 (8,667) 15:starting LZMA decompress (ignore for x86) 798,989 (51,469) 16:finished LZMA decompress (ignore for x86) 814,190 (15,201) 99:selfboot jump 819,096 (4,906) 15:starting LZMA decompress (ignore for x86) 834,016 (14,920) 16:finished LZMA decompress (ignore for x86) 838,492 (4,476) 1000:depthcharge start 1,626,169 (787,677) 1002:RO vboot init 1,626,187 (18) 1020:vboot select&load kernel 1,631,049 (4,862) 1030:finished EC verification 1,704,025 (72,976) 1040:finished storage device initialization 2,219,421 (515,396) 1050:finished reading kernel from disk 2,311,861 (92,440) 1100:finished vboot kernel verification 2,503,765 (191,904) 1102:starting kernel decompression/relocation 2,512,661 (8,896) 1101:jumping to kernel 2,564,437 (51,776)
Total Time: 2,564,428
==== CPU 1989MHz ==== 55 entries total:
0:1st timestamp 9 17:starting LZ4 decompress (ignore for x86) 5,446 (5,437) 18:finished LZ4 decompress (ignore for x86) 9,596 (4,150) 17:starting LZ4 decompress (ignore for x86) 35,927 (26,331) 18:finished LZ4 decompress (ignore for x86) 36,101 (174) 5:start of verified boot 36,319 (218) 503:starting to initialize TPM 37,016 (697) 504:finished TPM initialization 76,552 (39,536) 505:starting to verify keyblock/preamble (RSA) 77,330 (778) 506:finished verifying keyblock/preamble (RSA) 99,898 (22,568) 507:starting to verify body (load+SHA2+RSA) 100,295 (397) 508:finished loading body (ignore for x86) 260,287 (159,992) 509:finished calculating body hash (SHA2) 264,945 (4,658) 510:finished verifying body signature (RSA) 268,049 (3,104) 511:starting TPM PCR extend 268,050 (1) 512:finished TPM PCR extend 286,299 (18,249) 513:starting locking TPM 286,299 (0) 514:finished locking TPM 294,287 (7,988) 6:end of verified boot 294,288 (1) 13:starting to load romstage 294,348 (60) 17:starting LZ4 decompress (ignore for x86) 323,012 (28,664) 18:finished LZ4 decompress (ignore for x86) 323,215 (203) 14:finished loading romstage 323,470 (255) 1:start of romstage 323,471 (1) 15:starting LZMA decompress (ignore for x86) 334,429 (10,958) 16:finished LZMA decompress (ignore for x86) 334,444 (15) 4:end of romstage 691,843 (357,399) 8:starting to load ramstage 691,949 (106) 15:starting LZMA decompress (ignore for x86) 713,418 (21,469) 16:finished LZMA decompress (ignore for x86) 718,102 (4,684) 9:finished loading ramstage 718,139 (37) 550:starting to load Chrome OS VPD 718,145 (6) 10:start of ramstage 719,212 (1,067) 30:device enumeration 719,219 (7) 40:device configuration 719,238 (19) 50:device enable 719,272 (34) 60:device initialization 719,276 (4) 70:device setup done 723,677 (4,401) 75:cbmem post 723,681 (4) 80:write tables 723,686 (5) 85:finalize chips 724,253 (567) 90:load payload 733,037 (8,784) 15:starting LZMA decompress (ignore for x86) 783,814 (50,777) 16:finished LZMA decompress (ignore for x86) 794,644 (10,830) 99:selfboot jump 798,435 (3,791) 15:starting LZMA decompress (ignore for x86) 813,149 (14,714) 16:finished LZMA decompress (ignore for x86) 816,336 (3,187) 1000:depthcharge start 1,603,323 (786,987) 1002:RO vboot init 1,603,340 (17) 1020:vboot select&load kernel 1,608,202 (4,862) 1030:finished EC verification 1,680,069 (71,867) 1040:finished storage device initialization 2,186,014 (505,945) 1050:finished reading kernel from disk 2,276,670 (90,656) 1100:finished vboot kernel verification 2,415,507 (138,837) 1102:starting kernel decompression/relocation 2,424,001 (8,494) 1101:jumping to kernel 2,464,276 (40,275)
Total Time: 2,464,267