zynqmp: pm: Implemented new pm API to load secure images
This patch adds pm_secure_rsaaes() API to provide access to
the xilsecure library for loading secure images
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.c b/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
index 9f137f4..e84c454 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
@@ -539,6 +539,33 @@
}
/**
+ * pm_secure_rsaaes() - Load the secure images.
+ *
+ * This function provides access to the xilsecure library to load
+ * the authenticated, encrypted, and authenicated/encrypted images.
+ *
+ * address_low: lower 32-bit Linear memory space address
+ *
+ * address_high: higher 32-bit Linear memory space address
+ *
+ * size: Number of 32bit words
+ *
+ * @return Returns status, either success or error+reason
+ */
+enum pm_ret_status pm_secure_rsaaes(uint32_t address_low,
+ uint32_t address_high,
+ uint32_t size,
+ uint32_t flags)
+{
+ uint32_t payload[PAYLOAD_ARG_CNT];
+
+ /* Send request to the PMU */
+ PM_PACK_PAYLOAD5(payload, PM_SECURE_RSA_AES, address_high, address_low,
+ size, flags);
+ return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
+}
+
+/**
* pm_get_callbackdata() - Read from IPI response buffer
* @data - array of PAYLOAD_ARG_CNT elements
*
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
index 8726eb7..bdb0eac 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
@@ -108,6 +108,10 @@
enum pm_ret_status pm_fpga_get_status(unsigned int *value);
enum pm_ret_status pm_get_chipid(uint32_t *value);
+enum pm_ret_status pm_secure_rsaaes(uint32_t address_high,
+ uint32_t address_low,
+ uint32_t size,
+ uint32_t flags);
void pm_get_callbackdata(uint32_t *data, size_t count);
enum pm_ret_status pm_pinctrl_request(unsigned int pin);
enum pm_ret_status pm_pinctrl_release(unsigned int pin);
diff --git a/plat/xilinx/zynqmp/pm_service/pm_svc_main.c b/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
index 69e711a..02d2f2d 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
@@ -252,6 +252,11 @@
result[1]);
}
+ case PM_SECURE_RSA_AES:
+ ret = pm_secure_rsaaes(pm_arg[0], pm_arg[1], pm_arg[2],
+ pm_arg[3]);
+ SMC_RET1(handle, (uint64_t)ret);
+
case PM_GET_CALLBACK_DATA:
{
uint32_t result[4];