[MIPS] Allow selection of KGDB only on platforms where it's supported.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 46fa5ca..c6f74f1 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -144,6 +144,7 @@ config BASLER_EXCITE
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_KGDB
        help
          The eXcite is a smart camera platform manufactured by
          Basler Vision Technologies AG
@@ -210,6 +211,7 @@ config MIPS_EV64120
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_KGDB
        help
          This is an evaluation board based on the Galileo GT-64120
          single-chip system controller that contains a MIPS R5000 compatible
@@ -374,6 +376,7 @@ config MOMENCO_JAGUAR_ATX
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_KGDB
        help
          The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
          Momentum Computer <http://www.momenco.com/>.
@@ -391,6 +394,7 @@ config MOMENCO_OCELOT
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_KGDB
        help
          The Ocelot is a MIPS-based Single Board Computer (SBC) made by
          Momentum Computer <http://www.momenco.com/>.
@@ -480,6 +484,8 @@ config DDB5477
        select SYS_HAS_CPU_R5432
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+       select SYS_SUPPORTS_KGDB
+       select SYS_SUPPORTS_KGDB
        select SYS_SUPPORTS_LITTLE_ENDIAN
        help
          This enables support for the R5432-based NEC DDB Vrc-5477,
@@ -508,6 +514,7 @@ config PMC_YOSEMITE
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_HIGHMEM
+       select SYS_SUPPORTS_KGDB
        select SYS_SUPPORTS_SMP
        help
          Yosemite is an evaluation board for the RM9000x2 processor
@@ -584,6 +591,7 @@ config SGI_IP27
        select SYS_HAS_CPU_R10000
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_KGDB
        select SYS_SUPPORTS_NUMA
        select SYS_SUPPORTS_SMP
        select GENERIC_HARDIRQS_NO__DO_IRQ
@@ -633,6 +641,7 @@ config SIBYTE_SWARM
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_HIGHMEM
+       select SYS_SUPPORTS_KGDB
        select SYS_SUPPORTS_LITTLE_ENDIAN
 
 config SIBYTE_SENTOSA
@@ -773,6 +782,7 @@ config TOSHIBA_RBTX4927
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_KGDB
        select TOSHIBA_BOARDS
        select GENERIC_HARDIRQS_NO__DO_IRQ
        help
@@ -793,6 +803,7 @@ config TOSHIBA_RBTX4938
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_KGDB
        select TOSHIBA_BOARDS
        select GENERIC_HARDIRQS_NO__DO_IRQ
        help
@@ -959,6 +970,7 @@ config IRQ_MV64340
 
 config DDB5XXX_COMMON
        bool
+       select SYS_SUPPORTS_KGDB
 
 config MIPS_BOARDS_GEN
        bool
@@ -1007,6 +1019,7 @@ config SOC_AU1X00
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_APM_EMULATION
+       select SYS_SUPPORTS_KGDB
 
 config PNX8550
        bool
@@ -1019,6 +1032,7 @@ config SOC_PNX8550
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_SUPPORTS_32BIT_KERNEL
        select GENERIC_HARDIRQS_NO__DO_IRQ
+       select SYS_SUPPORTS_KGDB
 
 config SWAP_IO_SPACE
        bool

diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index 9351f1c..d5e60a0 100644 (file)
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -39,7 +39,7 @@ config DEBUG_STACK_USAGE
 
 config KGDB
        bool "Remote GDB kernel debugging"
-       depends on DEBUG_KERNEL
+       depends on DEBUG_KERNEL && SYS_SUPPORTS_KGDB
        select DEBUG_INFO
        help
          If you say Y here, it will be possible to remotely debug the MIPS
@@ -48,6 +48,9 @@ config KGDB
          better 32 MB RAM to avoid excessive linking time. This is only
          useful for kernel hackers. If unsure, say N.
 
+config SYS_SUPPORTS_KGDB
+       bool
+
 config GDB_CONSOLE
        bool "Console output to GDB"
        depends on KGDB