diff options
Diffstat (limited to 'Documentation/powerpc')
| -rw-r--r-- | Documentation/powerpc/00-INDEX | 11 | ||||
| -rw-r--r-- | Documentation/powerpc/cpu_families.txt | 221 | ||||
| -rw-r--r-- | Documentation/powerpc/transactional_memory.txt | 2 |
3 files changed, 233 insertions, 1 deletions
diff --git a/Documentation/powerpc/00-INDEX b/Documentation/powerpc/00-INDEX index 05026ce1875..6db73df0427 100644 --- a/Documentation/powerpc/00-INDEX +++ b/Documentation/powerpc/00-INDEX @@ -5,13 +5,20 @@ please mail me. 00-INDEX - this file +bootwrapper.txt + - Information on how the powerpc kernel is wrapped for boot on various + different platforms. cpu_features.txt - info on how we support a variety of CPUs with minimal compile-time options. eeh-pci-error-recovery.txt - info on PCI Bus EEH Error Recovery +firmware-assisted-dump.txt + - Documentation on the firmware assisted dump mechanism "fadump". hvcs.txt - IBM "Hypervisor Virtual Console Server" Installation Guide +kvm_440.txt + - Various notes on the implementation of KVM for PowerPC 440. mpc52xx.txt - Linux 2.6.x on MPC52xx family pmu-ebb.txt @@ -19,3 +26,7 @@ pmu-ebb.txt qe_firmware.txt - describes the layout of firmware binaries for the Freescale QUICC Engine and the code that parses and uploads the microcode therein. +ptrace.txt + - Information on the ptrace interfaces for hardware debug registers. +transactional_memory.txt + - Overview of the Power8 transactional memory support. diff --git a/Documentation/powerpc/cpu_families.txt b/Documentation/powerpc/cpu_families.txt new file mode 100644 index 00000000000..fc08e22feb1 --- /dev/null +++ b/Documentation/powerpc/cpu_families.txt @@ -0,0 +1,221 @@ +CPU Families +============ + +This document 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 | --------------> | RS64 (threads) | + +--------------+ +----------------+ + | + | + v + +--------------+ +----------------+ +------+ + | 601 | --------------> | 603 | ---> | e300 | + +--------------+ +----------------+ +------+ + | | + | | + v v + +--------------+ +----------------+ +-------+ + | 604 | | 750 (G3) | ---> | 750CX | + +--------------+ +----------------+ +-------+ + | | | + | | | + v v v + +--------------+ +----------------+ +-------+ + | 620 (64 bit) | | 7400 | | 750CL | + +--------------+ +----------------+ +-------+ + | | | + | | | + v v v + +--------------+ +----------------+ +-------+ + | POWER3/630 | | 7410 | | 750FX | + +--------------+ +----------------+ +-------+ + | | + | | + v v + +--------------+ +----------------+ + | POWER3+ | | 7450 | + +--------------+ +----------------+ + | | + | | + v v + +--------------+ +----------------+ + | POWER4 | | 7455 | + +--------------+ +----------------+ + | | + | | + v v + +--------------+ +-------+ +----------------+ + | POWER4+ | --> | 970 | | 7447 | + +--------------+ +-------+ +----------------+ + | | | + | | | + v v v + +--------------+ +-------+ +----------------+ + | POWER5 | | 970FX | | 7448 | + +--------------+ +-------+ +----------------+ + | | | + | | | + v v v + +--------------+ +-------+ +----------------+ + | POWER5+ | | 970MP | | e600 | + +--------------+ +-------+ +----------------+ + | + | + v + +--------------+ + | POWER5++ | + +--------------+ + | + | + v + +--------------+ +-------+ + | POWER6 | <-?-> | Cell | + +--------------+ +-------+ + | + | + v + +--------------+ + | POWER7 | + +--------------+ + | + | + v + +--------------+ + | POWER7+ | + +--------------+ + | + | + v + +--------------+ + | POWER8 | + +--------------+ + + + +---------------+ + | PA6T (64 bit) | + +---------------+ + + +IBM BookE +--------- + + - Software loaded TLB. + - All 32 bit + + +--------------+ + | 401 | + +--------------+ + | + | + v + +--------------+ + | 403 | + +--------------+ + | + | + v + +--------------+ + | 405 | + +--------------+ + | + | + v + +--------------+ + | 440 | + +--------------+ + | + | + v + +--------------+ +----------------+ + | 450 | --> | BG/P | + +--------------+ +----------------+ + | + | + v + +--------------+ + | 460 | + +--------------+ + | + | + v + +--------------+ + | 476 | + +--------------+ + + +Motorola/Freescale 8xx +---------------------- + + - Software loaded with hardware assist. + - All 32 bit + + +-------------+ + | MPC8xx Core | + +-------------+ + + +Freescale BookE +--------------- + + - Software loaded TLB. + - e6500 adds HW loaded indirect TLB entries. + - Mix of 32 & 64 bit + + +--------------+ + | e200 | + +--------------+ + + + +--------------------------------+ + | e500 | + +--------------------------------+ + | + | + v + +--------------------------------+ + | e500v2 | + +--------------------------------+ + | + | + v + +--------------------------------+ + | e500mc (Book3e) | + +--------------------------------+ + | + | + v + +--------------------------------+ + | e5500 (64 bit) | + +--------------------------------+ + | + | + v + +--------------------------------+ + | e6500 (HW TLB) (Multithreaded) | + +--------------------------------+ + + +IBM A2 core +----------- + + - Book3E, software loaded TLB + HW loaded indirect TLB entries. + - 64 bit + + +--------------+ +----------------+ + | A2 core | --> | WSP | + +--------------+ +----------------+ + | + | + v + +--------------+ + | BG/Q | + +--------------+ diff --git a/Documentation/powerpc/transactional_memory.txt b/Documentation/powerpc/transactional_memory.txt index dc23e58ae26..9791e98ab49 100644 --- a/Documentation/powerpc/transactional_memory.txt +++ b/Documentation/powerpc/transactional_memory.txt @@ -160,7 +160,7 @@ To avoid this, when taking a signal in an active transaction, we need to use the stack pointer from the checkpointed state, rather than the speculated state. This ensures that the signal context (written tm suspended) will be written below the stack required for the rollback. The transaction is aborted -becuase of the treclaim, so any memory written between the tbegin and the +because of the treclaim, so any memory written between the tbegin and the signal will be rolled back anyway. For signals taken in non-TM or suspended mode, we use the |