| Message ID | 20210626155248.5004-2-nava.manne@xilinx.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add Bitstream configuration support for Versal | expand |
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__ */
Hi Tom, Please fix my response inline. > -----Original Message----- > From: Tom Rix <trix@redhat.com> > Sent: Wednesday, July 7, 2021 2:34 AM > To: Nava kishore Manne <navam@xilinx.com>; robh+dt@kernel.org; Michal > Simek <michals@xilinx.com>; mdf@kernel.org; arnd@arndb.de; Rajan Vaja > <RAJANV@xilinx.com>; gregkh@linuxfoundation.org; Amit Sunil Dhamne > <amitsuni@xlnx.xilinx.com>; Tejas Patel <tejasp@xlnx.xilinx.com>; > zou_wei@huawei.com; Sai Krishna Potthuri <lakshmis@xilinx.com>; Ravi > Patel <ravipate@xlnx.xilinx.com>; iwamatsu@nigauri.org; Jiaying Liang > <jliang@xilinx.com>; devicetree@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; linux-kernel@vger.kernel.org; linux- > fpga@vger.kernel.org; git <git@xilinx.com>; chinnikishore369@gmail.com > Subject: Re: [PATCH v8 1/5] drivers: firmware: Add PDI load API support > > > 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 > Yes, currently only versal_fpga_write() is using this #define but it’s a generic thing for Versal platform That’s why we placed it here. Regards, Navakishore.
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__ */