PROCESSOR	MAIN ID	PART	A
ARM7100	4104710x	710	0
ARM710a	4106710x	710	0
ARM710	4180710x	710	1
ARM720	4180720x	720	1
ARM740	41807400	740	1
ARM740	41817400	740	1

PROCESSOR	MAIN ID	PART	A
ARM920	4112920x	920	2
ARM922	4102922x	922	2
ARM926	4106926x	926	6
ARM940	4102940x	940	2
ARM946	4104946x	946	4
ARM946	41059461	946	5
ARM966	41049660	966	4
ARM966	41x5966x	966	5
ARM968	4105968x	968	5
ARM11	410FB02x	B02	F
ARM1136	41x7B36x	B36	7
ARM1156	41xFB56x	B56	F
ARM1176	41xFB76x	B76	F
Cortex-A15	41xFC0Fx	C0F	F
Cortex-A17	411FC0Ex	C0E	F
Cortex-A32	41xFD01x	D01	F
Cortex-A35	41xFD04x	D04	F
Cortex-A5	410FC05x	C05	F
Cortex-A53	410FD03x	D03	F
Cortex-A55	41xFD050	D05	F
Cortex-A57	411FD07x	D07	F
Cortex-A65	411FD061	D06	F
Cortex-A7	410FC07x	C07	F
Cortex-A72	410FD08x	D08	F
Cortex-A73	41xFD09x	D09	F
Cortex-A75	41xFD0Ax	D0A	F
Cortex-A76	41xFD0Bx	D0B	F
Cortex-A76AR	410FD0E0	D0E	F
Cortex-A77	410FD0D1	D0D	F
Cortex-A8	41xFC08x	C08	F
Cortex-A9	41xFC09x	C09	F
Cortex-R4	41xFC14x	C14	F
Cortex-R5	41xFC15x	C15	F
Cortex-R52	411FD13x	D13	F
Cortex-R7	410FC171	C17	F
Cortex-R8	410FC18x	C18	F

ARM Developer にあるドキュメントから拾ってます。