Add supporting new compatible string "u-boot,zynqmp-fpga-ddrauth" to
handle loading authenticated images (DDR).
Based on solution by Jorge Ramirez-Ortiz <jo...@foundries.io>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvo...@foundries.io>
Co-developed-by: Ricardo Salveti <rica...@foundries.io>
Signed-off-by: Ricardo Salveti <rica...@foundries.io>
Tested-by: Ricardo Salveti <rica...@foundries.io>
---
Changes in v2:
- add function fit_fpga_load() to simplify calls of fpga_load()
from contexts without a compatible attribute.
- move all ZynqMP-specific logic to drivers/fpga/zynqmppl.c
- prepare for passing a "compatible" FDT property to any fpga driver.
drivers/fpga/zynqmppl.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/fpga/zynqmppl.c b/drivers/fpga/zynqmppl.c
index 8ff12bf50a..ce25381890 100644
--- a/drivers/fpga/zynqmppl.c
+++ b/drivers/fpga/zynqmppl.c
@@ -9,6 +9,7 @@
#include <common.h>
#include <compiler.h>
#include <cpu_func.h>
+#include <fpga.h>
#include <log.h>
#include <zynqmppl.h>
#include <zynqmp_firmware.h>
@@ -209,6 +210,26 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf,
size_t bsize,
u32 buf_lo, buf_hi;
u32 ret_payload[PAYLOAD_ARG_CNT];
bool xilfpga_old = false;
+ fpga_desc *fdesc = container_of((void *)desc, fpga_desc, devdesc);
+
+ if (fdesc && fdesc->compatible &&
+ !strcmp(fdesc->compatible, "u-boot,zynqmp-fpga-ddrauth")) {
+#if CONFIG_IS_ENABLED(FPGA_LOAD_SECURE)
+ struct fpga_secure_info info = { 0 };
+
+ if (!desc->operations->loads) {
+ printf("%s: Missing load operation\n", __func__);
+ return FPGA_FAIL;
+ }
+ /* DDR authentication */
+ info.authflag = 1;
+ info.encflag = 2;
+ return desc->operations->loads(desc, buf, bsize, &info);
+#else
+ printf("No support for %s\n", fdesc->compatible);
+ return FPGA_FAIL;
+#endif
+ }
if (zynqmp_firmware_version() <= PMUFW_V1_0) {
puts("WARN: PMUFW v1.0 or less is detected\n");
--
2.31.1
