diff options
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/Kconfig | 13 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/config_mpc85xx.h | 6 |
2 files changed, 13 insertions, 6 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig index 36519613a2c..03373bf8692 100644 --- a/arch/powerpc/cpu/mpc85xx/Kconfig +++ b/arch/powerpc/cpu/mpc85xx/Kconfig @@ -1,6 +1,19 @@ menu "mpc85xx CPU" depends on MPC85xx +config PPC_SPINTABLE_COMPATIBLE + depends on MP + def_bool y + help + To comply with ePAPR 1.1, the spin table has been moved to + cache-enabled memory. Old OS may not work with this change. A patch + is waiting to be accepted for Linux kernel. Other OS needs similar + fix to spin table. For OSes with old spin table code, we can enable + this temporary fix by setting environmental variable + "spin_table_compat". For new OSes, set "spin_table_compat=no". After + Linux is fixed, we can remove this macro and related code. For now, + it is enabled by default. + config SYS_CPU default "mpc85xx" diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h index e8059910606..246bcb9fe49 100644 --- a/arch/powerpc/include/asm/config_mpc85xx.h +++ b/arch/powerpc/include/asm/config_mpc85xx.h @@ -8,12 +8,6 @@ /* SoC specific defines for Freescale MPC85xx (PQ3) and QorIQ processors */ -/* - * This macro should be removed when we no longer care about backwards - * compatibility with older operating systems. - */ -#define CONFIG_PPC_SPINTABLE_COMPATIBLE - #include <fsl_ddrc_version.h> #if defined(CONFIG_ARCH_MPC8548) |