linux-fpga.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Tom Rix <trix@redhat.com>
To: Nava kishore Manne <nava.manne@xilinx.com>,
	robh+dt@kernel.org, michal.simek@xilinx.com, mdf@kernel.org,
	arnd@arndb.de, rajan.vaja@xilinx.com, gregkh@linuxfoundation.org,
	amit.sunil.dhamne@xilinx.com, tejas.patel@xilinx.com,
	zou_wei@huawei.com, lakshmi.sai.krishna.potthuri@xilinx.com,
	ravi.patel@xilinx.com, iwamatsu@nigauri.org,
	wendy.liang@xilinx.com, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org,
	git@xilinx.com, chinnikishore369@gmail.com
Subject: Re: [PATCH v8 1/5] drivers: firmware: Add PDI load API support
Date: Tue, 6 Jul 2021 14:03:57 -0700	[thread overview]
Message-ID: <c2c06484-556d-1003-ad45-301e5b22210b@redhat.com> (raw)
In-Reply-To: <20210626155248.5004-2-nava.manne@xilinx.com>


On 6/26/21 8:52 AM, Nava kishore Manne wrote:
> This patch adds load PDI API support to enable full/partial PDI loading
> from linux. Programmable Device Image (PDI) is combination of headers,
> images and bitstream files to be loaded.
>
> Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com>
> Reviewed-by: Moritz Fischer <mdf@kernel.org>
> ---
> Changes for v2:
>                -Updated API Doc and commit msg.
>                 No functional changes.
>
> Changes for v3:
>                -None.
>
> Changes for v4:
>                -Rebased the changes on linux-next.
>                 No functional changes
>
> Changes for v5:
>                -None.
>
> Changes for v6:
>                -None.
>
> Changes for v7:
>                -None.
>
> Changes for v8:
>                 -None.
>
>   drivers/firmware/xilinx/zynqmp.c     | 17 +++++++++++++++++
>   include/linux/firmware/xlnx-zynqmp.h | 10 ++++++++++
>   2 files changed, 27 insertions(+)
>
> diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
> index 15b138326ecc..2db571da9ad8 100644
> --- a/drivers/firmware/xilinx/zynqmp.c
> +++ b/drivers/firmware/xilinx/zynqmp.c
> @@ -1011,6 +1011,23 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
>   }
>   EXPORT_SYMBOL_GPL(zynqmp_pm_set_requirement);
>   
> +/**
> + * zynqmp_pm_load_pdi - Load and process PDI
> + * @src:       Source device where PDI is located
> + * @address:   PDI src address
> + *
> + * This function provides support to load PDI from linux
> + *
> + * Return: Returns status, either success or error+reason
> + */
> +int zynqmp_pm_load_pdi(const u32 src, const u64 address)
> +{
> +	return zynqmp_pm_invoke_fn(PM_LOAD_PDI, src,
> +				   lower_32_bits(address),
> +				   upper_32_bits(address), 0, NULL);
> +}
> +EXPORT_SYMBOL_GPL(zynqmp_pm_load_pdi);
> +
>   /**
>    * zynqmp_pm_aes - Access AES hardware to encrypt/decrypt the data using
>    * AES-GCM core.
> diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
> index 9d1a5c175065..56b426fe020c 100644
> --- a/include/linux/firmware/xlnx-zynqmp.h
> +++ b/include/linux/firmware/xlnx-zynqmp.h
> @@ -52,6 +52,10 @@
>   #define	ZYNQMP_PM_CAPABILITY_WAKEUP	0x4U
>   #define	ZYNQMP_PM_CAPABILITY_UNUSABLE	0x8U
>   
> +/* Loader commands */
> +#define PM_LOAD_PDI	0x701
This should be defined in enum pm_api_id
> +#define PDI_SRC_DDR	0xF

This is only used by versal_fpga_ops_write(), consider moving the 
#define to versal-fpga.c

Tom

> +
>   /*
>    * Firmware FPGA Manager flags
>    * XILINX_ZYNQMP_PM_FPGA_FULL:	FPGA full reconfiguration
> @@ -411,6 +415,7 @@ int zynqmp_pm_pinctrl_get_config(const u32 pin, const u32 param,
>   				 u32 *value);
>   int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param,
>   				 u32 value);
> +int zynqmp_pm_load_pdi(const u32 src, const u64 address);
>   #else
>   static inline int zynqmp_pm_get_api_version(u32 *version)
>   {
> @@ -622,6 +627,11 @@ static inline int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param,
>   {
>   	return -ENODEV;
>   }
> +
> +static inline int zynqmp_pm_load_pdi(const u32 src, const u64 address)
> +{
> +	return -ENODEV;
> +}
>   #endif
>   
>   #endif /* __FIRMWARE_ZYNQMP_H__ */


  reply	other threads:[~2021-07-06 21:04 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-26 15:52 [PATCH v8 0/5]Add Bitstream configuration support for Versal Nava kishore Manne
2021-06-26 15:52 ` [PATCH v8 1/5] drivers: firmware: Add PDI load API support Nava kishore Manne
2021-07-06 21:03   ` Tom Rix [this message]
2021-07-08 11:40     ` Nava kishore Manne
2021-06-26 15:52 ` [PATCH v8 2/5] dt-bindings: fpga: Add binding doc for versal fpga manager Nava kishore Manne
2021-06-26 15:52 ` [PATCH v8 3/5] dt-bindings: firmware: Add bindings for xilinx firmware Nava kishore Manne
2021-07-13 22:15   ` Rob Herring
2021-06-26 15:52 ` [PATCH v8 4/5] dt-bindings: firmware: Remove xlnx,zynqmp-firmware.txt file Nava kishore Manne
2021-07-06 21:09   ` Tom Rix
2021-07-08 11:42     ` Nava kishore Manne
2021-07-13 22:16   ` Rob Herring
2021-06-26 15:52 ` [PATCH v8 5/5] fpga: versal-fpga: Add versal fpga manager driver Nava kishore Manne
2021-07-06 21:34   ` Tom Rix
2021-07-08 11:57     ` Nava kishore Manne

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=c2c06484-556d-1003-ad45-301e5b22210b@redhat.com \
    --to=trix@redhat.com \
    --cc=amit.sunil.dhamne@xilinx.com \
    --cc=arnd@arndb.de \
    --cc=chinnikishore369@gmail.com \
    --cc=devicetree@vger.kernel.org \
    --cc=git@xilinx.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=iwamatsu@nigauri.org \
    --cc=lakshmi.sai.krishna.potthuri@xilinx.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-fpga@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mdf@kernel.org \
    --cc=michal.simek@xilinx.com \
    --cc=nava.manne@xilinx.com \
    --cc=rajan.vaja@xilinx.com \
    --cc=ravi.patel@xilinx.com \
    --cc=robh+dt@kernel.org \
    --cc=tejas.patel@xilinx.com \
    --cc=wendy.liang@xilinx.com \
    --cc=zou_wei@huawei.com \
    --subject='Re: [PATCH v8 1/5] drivers: firmware: Add PDI load API support' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).