On 12/07/2016 01:14 AM, Michael Bringmann wrote:
> Firmware Features: Define new bit flags representing the presence of
> new device tree properties "ibm,drc-info", and "ibm,dynamic-memory-v2".
> These flags are used to tell the front end processor when the Linux
> kernel supports the new properties, and by the front end processor to
> tell the Linux kernel that the new properties are present in the devie
> tree.
>
> Signed-off-by: Michael Bringmann <m...@linux.vnet.ibm.com>
Reviewed-by: Nathan Fontenot <nf...@linux.vnet.ibm.com>
> ---
> arch/powerpc/include/asm/firmware.h | 5 ++++-
> arch/powerpc/include/asm/prom.h | 2 ++
> arch/powerpc/platforms/pseries/firmware.c | 2 ++
> 3 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/include/asm/firmware.h
> b/arch/powerpc/include/asm/firmware.h
> index 1e0b5a5..6b5cf38 100644
> --- a/arch/powerpc/include/asm/firmware.h
> +++ b/arch/powerpc/include/asm/firmware.h
> @@ -51,6 +51,8 @@
> #define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000)
> #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
> #define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000)
> +#define FW_FEATURE_DYN_MEM_V2 ASM_CONST(0x0000000400000000)
> +#define FW_FEATURE_DRC_INFO ASM_CONST(0x0000000800000000)
>
> #ifndef __ASSEMBLY__
>
> @@ -66,7 +68,8 @@ enum {
> FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
> FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
> FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
> - FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN,
> + FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |
> + FW_FEATURE_DYN_MEM_V2 | FW_FEATURE_DRC_INFO,
> FW_FEATURE_PSERIES_ALWAYS = 0,
> FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL,
> FW_FEATURE_POWERNV_ALWAYS = 0,
> diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
> index 7f436ba..bc7c4b5 100644
> --- a/arch/powerpc/include/asm/prom.h
> +++ b/arch/powerpc/include/asm/prom.h
> @@ -155,6 +155,8 @@ struct of_drconf_cell {
> #define OV5_PFO_HW_842 0x0E40 /* PFO Compression Accelerator
> */
> #define OV5_PFO_HW_ENCR 0x0E20 /* PFO Encryption Accelerator */
> #define OV5_SUB_PROCESSORS 0x0F01 /* 1,2,or 4 Sub-Processors supported */
> +#define OV5_DYN_MEM_V2 0x1680 /* Redef Prop Structures:
> dyn-mem-v2 */
> +#define OV5_DRC_INFO 0x1640 /* Redef Prop Structures: drc-info */
>
> /* Option Vector 6: IBM PAPR hints */
> #define OV6_LINUX 0x02 /* Linux is our OS */
> diff --git a/arch/powerpc/platforms/pseries/firmware.c
> b/arch/powerpc/platforms/pseries/firmware.c
> index ea7f09b..d2d23f5 100644
> --- a/arch/powerpc/platforms/pseries/firmware.c
> +++ b/arch/powerpc/platforms/pseries/firmware.c
> @@ -113,6 +113,8 @@ struct vec5_fw_feature {
> vec5_fw_features_table[] = {
> {FW_FEATURE_TYPE1_AFFINITY, OV5_TYPE1_AFFINITY},
> {FW_FEATURE_PRRN, OV5_PRRN},
> + {FW_FEATURE_DYN_MEM_V2, OV5_DYN_MEM_V2},
> + {FW_FEATURE_DRC_INFO, OV5_DRC_INFO},
> };
>
> static void __init fw_vec5_feature_init(const char *vec5, unsigned long len)
>
