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-rw-r--r--drivers/firmware/xilinx/zynqmp.c17
-rw-r--r--include/linux/firmware/xlnx-zynqmp.h10
2 files changed, 27 insertions, 0 deletions
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
@@ -1012,6 +1012,23 @@ 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.
* @address: Address of the AesParams structure.
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__ */