diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/Kconfig | 9 | ||||
| -rw-r--r-- | arch/sparc/cpu/leon3/start.S | 5 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 04dc08f41f..1d1347b167 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -12,6 +12,15 @@ config LEON3 bool select LEON +config SYS_SPARC_NWINDOWS + int "Number of SPARC register windows" + range 2 32 + default "8" + help + Specify the number of SPARC register windows implemented by this + processor. A SPARC implementation can have from 2 to 32 windows. + If unsure, choose 8. + choice prompt "Board select" optional diff --git a/arch/sparc/cpu/leon3/start.S b/arch/sparc/cpu/leon3/start.S index 203114970b..156601027a 100644 --- a/arch/sparc/cpu/leon3/start.S +++ b/arch/sparc/cpu/leon3/start.S @@ -20,6 +20,11 @@ #define CONFIG_AMBAPP_IOAREA AMBA_DEFAULT_IOAREA #endif +/* Default number of SPARC register windows */ +#ifndef CONFIG_SYS_SPARC_NWINDOWS +#define CONFIG_SYS_SPARC_NWINDOWS 8 +#endif + /* Entry for traps which jump to a programmer-specified trap handler. */ #define TRAPR(H) \ wr %g0, 0xfe0, %psr; \ |