diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-09-19 17:45:02 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-09-20 16:09:59 +1000 |
| commit | 5c7c1e9444d8bfb721a27a35bba3eeb5236c75d8 (patch) | |
| tree | b63c895e73bfb9b921a20acde8254c10656e99b4 /arch/powerpc/include/asm | |
| parent | 628daa8d5abfd904a7329a660c5c374212230123 (diff) | |
powerpc/powernv: Add OPAL ICS backend
OPAL handles HW access to the various ICS or equivalent chips
for us (with the exception of p5ioc2 based HEA which uses a
different backend) similarily to what RTAS does on pSeries.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/xics.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h index b183a4062011..bd6c401c0ee5 100644 --- a/arch/powerpc/include/asm/xics.h +++ b/arch/powerpc/include/asm/xics.h @@ -27,10 +27,18 @@ #define MAX_NUM_PRIORITIES 3 /* Native ICP */ +#ifdef CONFIG_PPC_ICP_NATIVE extern int icp_native_init(void); +#else +static inline int icp_native_init(void) { return -ENODEV; } +#endif /* PAPR ICP */ +#ifdef CONFIG_PPC_ICP_HV extern int icp_hv_init(void); +#else +static inline int icp_hv_init(void) { return -ENODEV; } +#endif /* ICP ops */ struct icp_ops { @@ -51,7 +59,18 @@ extern const struct icp_ops *icp_ops; extern int ics_native_init(void); /* RTAS ICS */ +#ifdef CONFIG_PPC_ICS_RTAS extern int ics_rtas_init(void); +#else +static inline int ics_rtas_init(void) { return -ENODEV; } +#endif + +/* HAL ICS */ +#ifdef CONFIG_PPC_POWERNV +extern int ics_opal_init(void); +#else +static inline int ics_opal_init(void) { return -ENODEV; } +#endif /* ICS instance, hooked up to chip_data of an irq */ struct ics { |