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drivers: firmware: Add PDI load API support

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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.

Reviewed-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com>
Link: https://lore.kernel.org/r/20210626155248.5004-2-nava.manne@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nava kishore Manne 2021-06-26 21:22:44 +05:30 committed by Greg Kroah-Hartman
parent 2734d6c1b1
commit 2b9fc773c3
2 changed files with 27 additions and 0 deletions
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17
drivers/firmware/xilinx/zynqmp.c
View File

@ -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.

10
include/linux/firmware/xlnx-zynqmp.h
View File

@ -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__ */