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bb6743f4f0
linux_dsm_epyc7002/arch/sparc64/kernel
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David S. Miller bb6743f4f0 [SPARC64]: Do proper DMA IRQ syncing on Tomatillo 
This was the main impetus behind adding the PCI IRQ shim.

In order to properly order DMA writes wrt. interrupts, you have to
write to a PCI controller register, then poll for that bit clearing.
There is one bit for each interrupt source, and setting this register
bit tells Tomatillo to drain all pending DMA from that device.

Furthermore, Tomatillo's with revision less than 4 require us to do a
block store due to some memory transaction ordering issues it has on
JBUS.

Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-04 13:26:04 -07:00
..
auxio.c [SPARC64]: Get rid of fast IRQ feature. 2005-06-27 17:04:45 -07:00
binfmt_aout32.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
binfmt_elf32.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
central.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
chmc.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpu.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
devices.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dtlb_backend.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dtlb_base.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dtlb_prot.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ebus.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
entry.S [SPARC64]: Add support for IRQ pre-handlers. 2005-07-04 13:24:38 -07:00
etrap.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
head.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
idprom.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
init_task.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ioctl32.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iommu_common.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iommu_common.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
irq.c [SPARC64]: Add support for IRQ pre-handlers. 2005-07-04 13:24:38 -07:00
isa.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
itlb_base.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kprobes.c [PATCH] kprobes: Temporary disarming of reentrant probe for sparc64 2005-06-23 09:45:25 -07:00
Makefile Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
module.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pci_common.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pci_impl.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pci_iommu.c [SPARC64]: Refine PCI strbuf ctx-based flush. 2005-05-31 19:13:52 -07:00
pci_psycho.c [SPARC64]: Fix streaming buffer flushing on PCI and SBUS. 2005-05-31 16:57:59 -07:00
pci_sabre.c [SPARC64]: Add support for IRQ pre-handlers. 2005-07-04 13:24:38 -07:00
pci_schizo.c [SPARC64]: Do proper DMA IRQ syncing on Tomatillo 2005-07-04 13:26:04 -07:00
pci.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
power.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
process.c [SPARC]: Remove legacy stuff from cpu_idle(). 2005-05-05 14:53:01 -07:00
ptrace.c [PATCH] convert that currently tests _NSIG directly to use valid_signal() 2005-05-01 08:59:14 -07:00
rtrap.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sbus.c [SPARC64]: Fix streaming buffer flushing on PCI and SBUS. 2005-05-31 16:57:59 -07:00
semaphore.c [SPARC64]: Avoid membar instructions in delay slots. 2005-06-27 15:42:04 -07:00
setup.c [SPARC64]: Add boot option to force UltraSPARC-III P-Cache on. 2005-05-23 15:52:08 -07:00
signal32.c [PATCH] compat: introduce compat_time_t 2005-06-23 09:45:32 -07:00
signal.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
smp.c [SPARC64]: Add boot option to force UltraSPARC-III P-Cache on. 2005-05-23 15:52:08 -07:00
sparc64_ksyms.c [SPARC64]: Get rid of fast IRQ feature. 2005-06-27 17:04:45 -07:00
starfire.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sunos_ioctl32.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sys32.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sys_sparc32.c [PATCH] sparc64: Fix stat 2005-04-18 15:13:15 -07:00
sys_sparc.c [PATCH] Avoiding mmap fragmentation 2005-06-21 18:46:16 -07:00
sys_sunos32.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
systbls.S [PATCH] sparc64: Fix stat 2005-04-18 15:13:15 -07:00
time.c [SPARC64]: Add support for IRQ pre-handlers. 2005-07-04 13:24:38 -07:00
trampoline.S [SPARC64]: Avoid membar instructions in delay slots. 2005-06-27 15:42:04 -07:00
traps.c [SPARC64]: Add boot option to force UltraSPARC-III P-Cache on. 2005-05-23 15:52:08 -07:00
ttable.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
unaligned.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
us2e_cpufreq.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
us3_cpufreq.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
vmlinux.lds.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
winfixup.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00