This patch adds some documentation on the different cpu families supported by arch/powerpc.
Signed-off-by: Michael Ellerman <m...@ellerman.id.au> --- Documentation/powerpc/cpu_families.txt | 76 ++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/powerpc/cpu_families.txt diff --git a/Documentation/powerpc/cpu_families.txt b/Documentation/powerpc/cpu_families.txt new file mode 100644 index 0000000..df72657 --- /dev/null +++ b/Documentation/powerpc/cpu_families.txt @@ -0,0 +1,76 @@ +CPU Families +============ + +This doco tries to summarise some of the different cpu families that exist and +are supported by arch/powerpc. + +Book3S (aka sPAPR) +------------------ + + - Hash MMU + - Mix of 32 & 64 bit + + Old + POWER --- 601 --- 603 + | | | + | | *----- 740 + | | | + | | *----- 750 (G3) --- 750CX --- 750CL --- 750FX + | | | + | | | + | 604 *--- 7400 --- 7410 --- 7450 --- 7455 --- 7447 --- 7448 + | | + | | + | *---- [620] --- POWER3/630 --- POWER3+ --- POWER4 --- POWER4+ --- POWER5 --- POWER5+ --- POWER5++ --- POWER6 --- POWER7 --- POWER7+ --- POWER8 + | (64bit) | . + | | . + | | *--- Cell + | | + | *--- 970 --- 970FX --- 970MP + | + *--- RS64 (threads) + + + PA6T (64bit) ... + + +IBM BookE +--------- + + - Software loaded TLB. + - All 32 bit + + 401 --- 403 --- 405 --- 440 --- 450 --- 460 --- 476 + | + *--- BG/P + + +Motorola/Freescale 8xx +---------------------- + + - Software loaded with hardware assist. + - All 32 bit + + 8xx --- 850 + + +Freescale BookE +--------------- + + - Software loaded TLB. + - e6500 adds HW loaded indirect TLB entries. + - Mix of 32 & 64 bit + + e200 --- e500 --- e500v2 --- e500mc --- e5500 --- e6500 + (Book3E) (HW TLB) + (64bit) + +IBM A2 core +----------- + + - Book3E, software loaded TLB + HW loaded indirect TLB entries. + - 64 bit + + A2 core --- BG/Q + | + *------- WSP -- 1.8.3.2 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
