[Skiboot] [PATCH 4/6] npu2: Add NPU2_SM_REG_OFFSET()

[Alistair Popple]

Reviewed-by: Alistair Popple <alistair at popple.id.au>

On Friday, 27 July 2018 9:47:40 AM AEST Reza Arbab wrote:
> Add a register offset calculation macro using SM block index, similar to
> the other NPU2_*_REG_OFFSET() macros.
> 
> Signed-off-by: Alistair Popple <alistair at popple.id.au>
> Signed-off-by: Reza Arbab <arbab at linux.ibm.com>
> ---
>  include/npu2-regs.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/include/npu2-regs.h b/include/npu2-regs.h
> index d797026..4a17ac8 100644
> --- a/include/npu2-regs.h
> +++ b/include/npu2-regs.h
> @@ -55,6 +55,10 @@ void npu2_scom_write(uint64_t gcid, uint64_t scom_base,
>  	NPU2_REG_OFFSET(((ndev)->index >> 1),				\
>  			8 + ((ndev)->index % 2)*2, offset)
>  
> +#define NPU2_SM_REG_OFFSET(ndev, sm, offset)				\
> +	NPU2_REG_OFFSET(NPU2_STACK_STCK_0 + ((ndev)->index >> 1),	\
> +			NPU2_BLOCK_SM_0 + (sm), offset)
> +
>  /* Get the offset for this register */
>  #define NPU2_REG(reg) \
>  	((reg) & 0xffff)
>