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Commit ac79fd58 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Restrict DSP support to specific CPUs. 



Not all CPUs support the DSP, and this leads to problems when mixing
and matching CPU types and DSP opcodes. Fix this up by only allowing
CONFIG_SH_DSP to be enabled for the CPUs that explicitly have such a
block.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent b067c50a

arch/sh/Kconfig

+5 −2
Original line number Diff line number Diff line
@@ -134,8 +134,8 @@ config SH_FPU_EMU 


config SH_DSP

	bool "DSP support"

	default y if SH4AL_DSP || !CPU_SH4

	default n

	depends on CPU_HAS_DSP

	default y

	help

	  Selecting this option will enable support for SH processors that

	  have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
@@ -199,6 +199,9 @@ config CPU_HAS_SR_RB 
config CPU_HAS_PTEA

	bool



config CPU_HAS_DSP

	bool



endmenu



menu "Board support"

arch/sh/mm/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ config CPU_SH4A 
config CPU_SH4AL_DSP

	bool

	select CPU_SH4A

	select CPU_HAS_DSP



config CPU_SUBTYPE_ST40

	bool
@@ -102,6 +103,7 @@ config CPU_SUBTYPE_SH7710 
	bool "Support SH7710 processor"

	select CPU_SH3

	select CPU_HAS_IPR_IRQ

	select CPU_HAS_DSP

	help

	  Select SH7710 if you have a SH3-DSP SH7710 CPU.
@@ -109,6 +111,7 @@ config CPU_SUBTYPE_SH7712 
	bool "Support SH7712 processor"

	select CPU_SH3

	select CPU_HAS_IPR_IRQ

	select CPU_HAS_DSP

	help

	  Select SH7712 if you have a SH3-DSP SH7712 CPU.