Re: [PATCH 1/2] include: fpga: adi-axi-common.h: add definitions for supported FPGAs

From: Moritz Fischer
Date: Wed Feb 10 2021 - 23:01:06 EST


Alexandru,

On Wed, Feb 10, 2021 at 12:15:34PM +0200, Alexandru Ardelean wrote:
> From: Mircea Caprioru <mircea.caprioru@xxxxxxxxxx>
>
> All (newer) FPGA IP cores supported by Analog Devices, store information in

Nit: extra ',' ?
> the synthesized designs. This information describes various parameters,
> including the family of boards on which this is deployed, speed-grade, and
> so on.
>
> Currently, some of these definitions are deployed mostly on Xilinx boards,
> but they have been considered also for FPGA boards from other vendors.
Let's add them together with the code that uses them.
>
> The register definitions are described at this link:
> https://wiki.analog.com/resources/fpga/docs/hdl/regmap
> (the 'Base (common to all cores)' section).
>
> Acked-by: Moritz Fischer <mdf@xxxxxxxxxx>
This patchset is very different from the reviewed one earlier. Please
don't just copy Acked-by's.

> Signed-off-by: Mircea Caprioru <mircea.caprioru@xxxxxxxxxx>
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
> ---
>
> This is a continuation of this old set:
> https://lore.kernel.org/linux-clk/20200929144417.89816-1-alexandru.ardelean@xxxxxxxxxx/
>
> Particularly patches:
> https://lore.kernel.org/linux-clk/20200929144417.89816-15-alexandru.ardelean@xxxxxxxxxx/
> https://lore.kernel.org/linux-clk/20200929144417.89816-16-alexandru.ardelean@xxxxxxxxxx/
>
> That was v4, but this patchset was split away from it, to resolve
> discussion on some other patches in that set.
>
> The other patches were accepted here:
> https://lore.kernel.org/linux-clk/20210201151245.21845-1-alexandru.ardelean@xxxxxxxxxx/
>
> include/linux/fpga/adi-axi-common.h | 103 ++++++++++++++++++++++++++++
> 1 file changed, 103 insertions(+)
>
> diff --git a/include/linux/fpga/adi-axi-common.h b/include/linux/fpga/adi-axi-common.h
> index 141ac3f251e6..1a7f18e3a384 100644
> --- a/include/linux/fpga/adi-axi-common.h
> +++ b/include/linux/fpga/adi-axi-common.h
> @@ -13,6 +13,9 @@
>
> #define ADI_AXI_REG_VERSION 0x0000
>
> +#define ADI_AXI_REG_FPGA_INFO 0x001C
> +#define ADI_AXI_REG_FPGA_VOLTAGE 0x0140
> +
> #define ADI_AXI_PCORE_VER(major, minor, patch) \
> (((major) << 16) | ((minor) << 8) | (patch))
>
> @@ -20,4 +23,104 @@
> #define ADI_AXI_PCORE_VER_MINOR(version) (((version) >> 8) & 0xff)
> #define ADI_AXI_PCORE_VER_PATCH(version) ((version) & 0xff)
>
> +#define ADI_AXI_INFO_FPGA_VOLTAGE(val) ((val) & 0xffff)
> +
> +#define ADI_AXI_INFO_FPGA_TECH(info) (((info) >> 24) & 0xff)
> +#define ADI_AXI_INFO_FPGA_FAMILY(info) (((info) >> 16) & 0xff)
> +#define ADI_AXI_INFO_FPGA_SPEED_GRADE(info) (((info) >> 8) & 0xff)
> +#define ADI_AXI_INFO_FPGA_DEV_PACKAGE(info) ((info) & 0xff)

Do we really need all the macros?
> +
> +/**
> + * FPGA Technology definitions
> + */
> +#define ADI_AXI_FPGA_TECH_XILINX_UNKNOWN 0
> +#define ADI_AXI_FPGA_TECH_XILINS_SERIES7 1
> +#define ADI_AXI_FPGA_TECH_XILINX_ULTRASCALE 2
> +#define ADI_AXI_FPGA_TECH_XILINX_ULTRASCALE_PLUS 3
> +
> +#define ADI_AXI_FPGA_TECH_INTEL_UNKNOWN 100
> +#define ADI_AXI_FPGA_TECH_INTEL_CYCLONE_5 101
> +#define ADI_AXI_FPGA_TECH_INTEL_CYCLONE_10 102
> +#define ADI_AXI_FPGA_TECH_INTEL_ARRIA_10 103
> +#define ADI_AXI_FPGA_TECH_INTEL_STRATIX_10 104
> +
> +/**
> + * FPGA Family definitions
> + */
> +#define ADI_AXI_FPGA_FAMILY_UNKNOWN 0
> +
> +#define ADI_AXI_FPGA_FAMILY_XILINX_ARTIX 1
> +#define ADI_AXI_FPGA_FAMILY_XILINX_KINTEX 2
> +#define ADI_AXI_FPGA_FAMILY_XILINX_VIRTEX 3
> +#define ADI_AXI_FPGA_FAMILY_XILINX_ZYNQ 4
> +
> +#define ADI_AXI_FPGA_FAMILY_INTEL_SX 1
> +#define ADI_AXI_FPGA_FAMILY_INTEL_GX 2
> +#define ADI_AXI_FPGA_FAMILY_INTEL_GT 3
> +#define ADI_AXI_FPGA_FAMILY_INTEL_GZ 4
> +
> +/**
> + * FPGA Speed-grade definitions
> + */
> +#define ADI_AXI_FPGA_SPEED_GRADE_UNKNOWN 0
> +
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_1 10
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_1L 11
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_1H 12
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_1HV 13
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_1LV 14
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_2 20
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_2L 21
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_2LV 22
> +#define ADI_AXI_FPGA_SPEED_GRADE_XILINX_3 30
> +
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_1 1
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_2 2
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_3 3
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_4 4
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_5 5
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_6 6
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_7 7
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_8 8
> +#define ADI_AXI_FPGA_SPEED_GRADE_INTEL_9 9
> +
> +/**
> + * FPGA Device Package definitions
> + */
> +#define ADI_AXI_FPGA_DEV_PACKAGE_UNKNOWN 0
> +
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_RF 1
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FL 2
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FF 3
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FB 4
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_HC 5
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FH 6
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_CS 7
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_CP 8
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FT 9
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FG 10
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_SB 11
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_RB 12
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_RS 13
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_CL 14
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_SF 15
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_BA 16
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FA 17
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FS 18
> +#define ADI_AXI_FPGA_DEV_PACKAGE_XILINX_FI 19
> +
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_BGA 1
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_PGA 2
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_FBGA 3
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_HBGA 4
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_PDIP 5
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_EQFP 6
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_PLCC 7
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_PQFP 8
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_RQFP 9
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_TQFP 10
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_UBGA 11
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_UFBGA 12
> +#define ADI_AXI_FPGA_DEV_PACKAGE_INTEL_MBGA 13

What is using those? Do these package impact anything behavioral?
> +
> #endif /* ADI_AXI_COMMON_H_ */
> --
> 2.17.1
>

- Moritz

PS: The subject line could use a bit of work, too :)