linux-fpga.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Nava kishore Manne <nava.manne@xilinx.com>
To: <robh+dt@kernel.org>, <michal.simek@xilinx.com>, <mdf@kernel.org>,
	<trix@redhat.com>, <nava.manne@xilinx.com>, <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: [PATCH v6 1/4] drivers: firmware: Add PDI load API support
Date: Thu, 20 May 2021 13:39:51 +0530	[thread overview]
Message-ID: <20210520080954.1393-2-nava.manne@xilinx.com> (raw)
In-Reply-To: <20210520080954.1393-1-nava.manne@xilinx.com>

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.

 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
+#define PDI_SRC_DDR	0xF
+
 /*
  * 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__ */
-- 
2.17.1


  reply	other threads:[~2021-05-20  8:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20  8:09 [PATCH v6 0/4]Add Bitstream configuration support for Versal Nava kishore Manne
2021-05-20  8:09 ` Nava kishore Manne [this message]
2021-05-20  8:09 ` [PATCH v6 2/4] dt-bindings: fpga: Add binding doc for versal fpga manager Nava kishore Manne
2021-06-02 18:32   ` Rob Herring
2021-05-20  8:09 ` [PATCH v6 3/4] dt-bindings: firmware: Add bindings for xilinx firmware Nava kishore Manne
2021-06-02 18:31   ` Rob Herring
2021-06-04  7:36     ` Nava kishore Manne
2021-05-20  8:09 ` [PATCH v6 4/4] fpga: versal-fpga: Add versal fpga manager driver Nava kishore Manne
2021-05-20  8:48   ` Greg KH
2021-06-01  6:56     ` Nava kishore Manne
2021-06-01 15:43       ` Moritz Fischer

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=20210520080954.1393-2-nava.manne@xilinx.com \
    --to=nava.manne@xilinx.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=rajan.vaja@xilinx.com \
    --cc=ravi.patel@xilinx.com \
    --cc=robh+dt@kernel.org \
    --cc=tejas.patel@xilinx.com \
    --cc=trix@redhat.com \
    --cc=wendy.liang@xilinx.com \
    --cc=zou_wei@huawei.com \
    --subject='Re: [PATCH v6 1/4] 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).