diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/config/Config.in.ethernet | 4 | ||||
| -rw-r--r-- | target/linux/patches/3.16/qemu-coldfire.patch | 24 |
2 files changed, 27 insertions, 1 deletions
diff --git a/target/linux/config/Config.in.ethernet b/target/linux/config/Config.in.ethernet index daf88ba44..94aa11b34 100644 --- a/target/linux/config/Config.in.ethernet +++ b/target/linux/config/Config.in.ethernet @@ -58,8 +58,10 @@ config ADK_KERNEL_FEC tristate select ADK_KERNEL_NET_VENDOR_FREESCALE select ADK_KERNEL_AT803X_PHY - depends on ADK_TARGET_SYSTEM_CUBOX_I + depends on ADK_TARGET_SYSTEM_CUBOX_I || \ + ADK_TARGET_SYSTEM_QEMU_M68K default y if ADK_TARGET_SYSTEM_CUBOX_I + default y if ADK_TARGET_SYSTEM_QEMU_M68K default n help FEC ethernet driver diff --git a/target/linux/patches/3.16/qemu-coldfire.patch b/target/linux/patches/3.16/qemu-coldfire.patch new file mode 100644 index 000000000..503fe8ef3 --- /dev/null +++ b/target/linux/patches/3.16/qemu-coldfire.patch @@ -0,0 +1,24 @@ +m68k: enabled software emulation of separate supervisor/user stack + +Recent Coldfires have separate supervisor and user stack pointers, but +since older Coldfires didn't have that, the Linux kernel has a kind of +emulation mechanism for those pointers. + +Apparently, according to the Kconfig.cpu file, the 5208 is supposed to +support such separate pointers, but Qemu doesn't implement it. So we +cheat a bit here and force the usage of emulated separate stack +pointers. + +Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com> + +diff -Nur linux-3.16.orig/arch/m68k/Kconfig.cpu linux-3.16/arch/m68k/Kconfig.cpu +--- linux-3.16.orig/arch/m68k/Kconfig.cpu 2014-08-04 00:25:02.000000000 +0200 ++++ linux-3.16/arch/m68k/Kconfig.cpu 2014-08-13 16:58:59.568332805 +0200 +@@ -146,6 +146,7 @@ + depends on !MMU + select GENERIC_CLOCKEVENTS + select HAVE_CACHE_SPLIT ++ select COLDFIRE_SW_A7 + help + Freescale Coldfire 5207/5208 processor support. + |