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sh: Disable PMB for SH4AL-DSP CPUs. 

While the PMB is available on SH-4A parts, SH4AL-DSP parts exclude it
altogether. As such, explicitly disable PMB support for these parts. If
this changes in the future for newer subtypes, this will have to be made
more fine-grained.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
hifive-unleashed-5.1
Paul Mundt 2010-01-04 11:13:54 +09:00
parent 8152a74bc0
commit b4e2a2a2f3
1 changed files with 3 additions and 3 deletions
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6
arch/sh/mm/Kconfig
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@ -82,7 +82,7 @@ config 32BIT
config PMB_ENABLE
bool "Support 32-bit physical addressing through PMB"
depends on MMU && EXPERIMENTAL && CPU_SH4A
depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP
default y
help
If you say Y here, physical addressing will be extended to
@ -96,7 +96,7 @@ choice
config PMB
bool "PMB"
depends on MMU && EXPERIMENTAL && CPU_SH4A
depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP
help
If you say Y here, physical addressing will be extended to
32-bits through the SH-4A PMB. If this is not set, legacy
@ -104,7 +104,7 @@ config PMB
config PMB_FIXED
bool "fixed PMB"
depends on MMU && EXPERIMENTAL && CPU_SH4A
depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP
select 32BIT
help
If this option is enabled, fixed PMB mappings are inherited