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Create a new option ARM_USE_V6_BUSDMA to force an armv4/5 kernel to

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use the armv6 busdma interface. This interface uses more memory than
the armv4 one, but bounces more data more often so may be more correct
than the armv4 one. It is intended for debugging purposes only at the
moment.
This commit is contained in:
imp 2017-06-18 21:03:48 +00:00
parent ba9c94fc13
commit c67895a787
2 changed files with 4 additions and 3 deletions
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4
sys/conf/files.arm
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@ -25,8 +25,8 @@ arm/arm/blockio.S standard
arm/arm/bus_space_asm_generic.S standard
arm/arm/bus_space_base.c optional fdt
arm/arm/bus_space_generic.c standard
arm/arm/busdma_machdep-v4.c optional !armv6
arm/arm/busdma_machdep-v6.c optional armv6
arm/arm/busdma_machdep-v4.c optional !armv6 !ARM_USE_V6_BUSDMA
arm/arm/busdma_machdep-v6.c optional armv6 | ARM_USE_V6_BUSDMA
arm/arm/copystr.S standard
arm/arm/cpufunc.c standard
arm/arm/cpufunc_asm.S standard

3
sys/conf/options.arm
View File

@ -4,7 +4,7 @@ ARM_CACHE_LOCK_ENABLE opt_global.h
ARM_KERN_DIRECTMAP opt_vm.h
ARM_L2_PIPT opt_global.h
ARM_MANY_BOARD opt_global.h
NKPT2PG opt_pmap.h
ARM_USE_V6_BUSDMA opt_global.h
ARM_WANT_TP_ADDRESS opt_global.h
COUNTS_PER_SEC opt_timer.h
CPSW_ETHERSWITCH opt_cpsw.h
@ -35,6 +35,7 @@ KERNVIRTADDR opt_global.h
LINUX_BOOT_ABI opt_global.h
LOADERRAMADDR opt_global.h
MULTIDELAY opt_global.h
NKPT2PG opt_pmap.h
PHYSADDR opt_global.h
PLATFORM opt_global.h
PLATFORM_SMP opt_global.h